[menog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jan 4 18:03:51 UTC 2019


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 05 Jan, 2019

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              732608
    Prefixes after maximum aggregation (per Origin AS):          281600
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      352811
Total ASes present in the Internet Routing Table:                 62818
    Prefixes per ASN:                                             11.66
Origin-only ASes present in the Internet Routing Table:           54157
Origin ASes announcing only one prefix:                           23519
Transit ASes present in the Internet Routing Table:                8661
Transit-only ASes present in the Internet Routing Table:            267
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      31
    Max AS path prepend of ASN ( 16327)                              25
Prefixes from unregistered ASNs in the Routing Table:                22
    Number of instances of unregistered ASNs:                        24
Number of 32-bit ASNs allocated by the RIRs:                      25373
Number of 32-bit ASNs visible in the Routing Table:               20560
Prefixes from 32-bit ASNs in the Routing Table:                   88488
Number of bogon 32-bit ASNs visible in the Routing Table:            17
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            263
Number of addresses announced to Internet:                   2838813409
    Equivalent to 169 /8s, 52 /16s and 218 /24s
    Percentage of available address space announced:               76.7
    Percentage of allocated address space announced:               76.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.1
Total number of prefixes smaller than registry allocations:      244490

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   200435
    Total APNIC prefixes after maximum aggregation:               56904
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          197571
    Unique aggregates announced from the APNIC address blocks:    81259
APNIC Region origin ASes present in the Internet Routing Table:    9328
    APNIC Prefixes per ASN:                                       21.18
APNIC Region origin ASes announcing only one prefix:               2633
APNIC Region transit ASes present in the Internet Routing Table:   1390
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4326
Number of APNIC addresses announced to Internet:              769208320
    Equivalent to 45 /8s, 217 /16s and 48 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-139577
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    216909
    Total ARIN prefixes after maximum aggregation:               102896
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           216224
    Unique aggregates announced from the ARIN address blocks:    103607
ARIN Region origin ASes present in the Internet Routing Table:    18302
    ARIN Prefixes per ASN:                                        11.81
ARIN Region origin ASes announcing only one prefix:                6801
ARIN Region transit ASes present in the Internet Routing Table:    1842
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2528
Number of ARIN addresses announced to Internet:              1077014688
    Equivalent to 64 /8s, 49 /16s and 240 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-399260
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    200092
    Total RIPE prefixes after maximum aggregation:                95539
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           196443
    Unique aggregates announced from the RIPE address blocks:    116298
RIPE Region origin ASes present in the Internet Routing Table:    25720
    RIPE Prefixes per ASN:                                         7.64
RIPE Region origin ASes announcing only one prefix:               11484
RIPE Region transit ASes present in the Internet Routing Table:    3611
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7702
Number of RIPE addresses announced to Internet:               716014656
    Equivalent to 42 /8s, 173 /16s and 132 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-210331
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   94946
    Total LACNIC prefixes after maximum aggregation:              22030
    LACNIC Deaggregation factor:                                   4.31
Prefixes being announced from the LACNIC address blocks:          96333
    Unique aggregates announced from the LACNIC address blocks:   42307
LACNIC Region origin ASes present in the Internet Routing Table:   7953
    LACNIC Prefixes per ASN:                                      12.11
LACNIC Region origin ASes announcing only one prefix:              2180
LACNIC Region transit ASes present in the Internet Routing Table:  1476
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5500
Number of LACNIC addresses announced to Internet:             173201152
    Equivalent to 10 /8s, 82 /16s and 215 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-270748 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  20203
    Total AfriNIC prefixes after maximum aggregation:              4214
    AfriNIC Deaggregation factor:                                  4.79
Prefixes being announced from the AfriNIC address blocks:         25774
    Unique aggregates announced from the AfriNIC address blocks:   9097
AfriNIC Region origin ASes present in the Internet Routing Table:  1233
    AfriNIC Prefixes per ASN:                                     20.90
AfriNIC Region origin ASes announcing only one prefix:              421
AfriNIC Region transit ASes present in the Internet Routing Table:  240
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  504
Number of AfriNIC addresses announced to Internet:            102971904
    Equivalent to 6 /8s, 35 /16s and 58 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  7545         4656        515     522  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4644       4192      74  ERX-CERNET-BKB China Education and Rese
  7552         3011       1160      90  VIETEL-AS-AP Viettel Group, VN
 45899         2985       1717     115  VNPT-AS-VN VNPT Corp, VN
  4766         2815      11129     768  KIXS-AS-KR Korea Telecom, KR
  9829         2749       1496     551  BSNL-NIB National Internet Backbone, IN
  9808         2500       8699      26  CMNET-GD Guangdong Mobile Communication
  9394         2408       4906      29  CTTNET China TieTong Telecommunications
 17974         2253        968      50  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4755         2140        437     181  TATACOMM-AS TATA Communications formerl

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  6327         3503       1326      92  SHAW - Shaw Communications Inc., CA
 11492         3484        225     600  CABLEONE - CABLE ONE, INC., US
 22773         3309       2979     174  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2604       5293     975  AMAZON-02 - Amazon.com, Inc., US
 16625         2201       1229    1692  AKAMAI-AS - Akamai Technologies, Inc., 
 20115         2150       2754     533  CHARTER-20115 - Charter Communications,
 18566         2138        405     108  MEGAPATH5-US - MegaPath Corporation, US
 30036         2095        349     129  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  5650         2087       3074    1462  FRONTIER-FRTR - Frontier Communications
   209         2076       5077     589  CENTURYLINK-US-LEGACY-QWEST - CenturyLi

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 12479         5261       1628     138  UNI2-AS, ES
 39891         3517        185      20  ALJAWWALSTC-AS, SA
  8551         3289        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2632        577    1935  AKAMAI-ASN1, US
 12389         2228       2221     626  ROSTELECOM-AS, RU
 34984         2049        338     528  TELLCOM-AS, TR
  9121         1683       1691      17  TTNET, TR
 13188         1604        100      46  TRIOLAN, UA
  8402         1292        544      17  CORBINA-AS OJSC "Vimpelcom", RU
  9009         1222        131     684  M247, GB

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  8151         5470       3319     589  Uninet S.A. de C.V., MX
 10620         3150        475     905  Telmex Colombia S.A., CO
 11830         2679        371      71  Instituto Costarricense de Electricidad
  6503         1649        449      54  Axtel, S.A.B. de C.V., MX
  7303         1438        960     233  Telecom Argentina S.A., AR
 28573         1186       2237     182  CLARO S.A., BR
  6147         1079        377      29  Telefonica del Peru S.A.A., PE
  3816         1025        511     112  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          939        143      67  Alestra, S. de R.L. de C.V., MX
 13999          938        539     259  Mega Cable, S.A. de C.V., MX

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 24863         1161        393      22  LINKdotNET-AS, EG
 37611          898        107       9  Afrihost, ZA
 36903          797        401     139  MT-MPLS, MA
 36992          781       1411      44  ETISALAT-MISR, EG
 24835          683        634      21  RAYA-AS, EG
  8452          650       1731      19  TE-AS TE-AS, EG
 29571          481         70      12  ORANGE-COTE-IVOIRE, CI
 37492          459        470      57  ORANGE-, TN
 37342          421         32       1  MOVITEL, MZ
 15399          415         45      11  WANANCHI-, KE

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  8151         5470       3319     589  Uninet S.A. de C.V., MX
 12479         5261       1628     138  UNI2-AS, ES
  7545         4656        515     522  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4644       4192      74  ERX-CERNET-BKB China Education and Rese
 39891         3517        185      20  ALJAWWALSTC-AS, SA
  6327         3503       1326      92  SHAW - Shaw Communications Inc., CA
 11492         3484        225     600  CABLEONE - CABLE ONE, INC., US
 22773         3309       2979     174  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  8551         3289        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 10620         3150        475     905  Telmex Colombia S.A., CO

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings  Description
 12479       5261         5123   UNI2-AS, ES
  4538       4644         4570   ERX-CERNET-BKB China Education and Research Net
  7545       4656         4134   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3517         3497   ALJAWWALSTC-AS, SA
  6327       3503         3411   SHAW - Shaw Communications Inc., CA
  8551       3289         3246   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773       3309         3135   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       3011         2921   VIETEL-AS-AP Viettel Group, VN
 11492       3484         2884   CABLEONE - CABLE ONE, INC., US
 45899       2985         2870   VNPT-AS-VN VNPT Corp, VN

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
 230105   UNALLOCATED  38.110.79.0/24       23015       CMC180-TOR-AS - Cambridge Merc
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
4200058511   PRIVATE      103.111.177.0/24    137522       OERL-AS-AP Origin Energy Retai
4200058511   PRIVATE      103.111.178.0/24    137522       OERL-AS-AP Origin Energy Retai
  64339   UNALLOCATED  143.0.108.0/22       18747       IFX18747 - IFX Corporation, US
  64355   UNALLOCATED  156.40.196.0/24      30387       NIH-NET-NCCS - National Instit
  64011   UNALLOCATED  166.133.128.0/18     20057       ATT-MOBILITY-LLC-AS20057 - AT&
  64011   UNALLOCATED  166.133.192.0/18     20057       ATT-MOBILITY-LLC-AS20057 - AT&
  64011   UNALLOCATED  166.184.9.0/24       20057       ATT-MOBILITY-LLC-AS20057 - AT&
  64011   UNALLOCATED  166.220.64.0/19      20057       ATT-MOBILITY-LLC-AS20057 - AT&

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
198.18.1.19/32        7497     CSTNET-AS-AP Computer Network Information Cente

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
27.100.7.0/24        56096    UNKNOWN
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.140.0/22       37500    -Reserved AS-, ZZ
41.78.92.0/22        14988    BTC-GATE1, BW
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.255.80.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US
43.255.82.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US
43.255.83.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US
45.121.32.0/22      134356    UNKNOWN
45.124.164.0/22      38803    GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:12       /9:10      /10:36      /11:99      /12:291     
/13:568     /14:1127    /15:1913    /16:13341   /17:7877    /18:13854   
/19:25515   /20:39677   /21:46098   /22:91160   /23:74548   /24:413605  
/25:925     /26:820     /27:880     /28:32      /29:18      /30:9       
/31:2       /32:191     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN   No of nets  Total ann.  Description
 12479     4113          5261    UNI2-AS, ES
  6327     3266          3503    SHAW - Shaw Communications Inc., CA
 11492     2764          3484    CABLEONE - CABLE ONE, INC., US
  8551     2745          3289    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 39891     2689          3517    ALJAWWALSTC-AS, SA
 22773     2549          3309    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2033          2138    MEGAPATH5-US - MegaPath Corporation, US
 11830     2024          2679    Instituto Costarricense de Electricidad y Telec
 30036     1843          2095    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1761          2087    FRONTIER-FRTR - Frontier Communications of Amer

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1626      2:889       3:1         4:23        5:2411      6:43     
   7:1         8:1174     12:1876     13:303      14:1884     15:37     
  16:2        17:209      18:59       20:48       23:2563     24:2418   
  25:2        27:2551     31:2012     32:92       35:31       36:824    
  37:2998     38:1600     39:282      40:121      41:3157     42:730    
  43:2007     44:136      45:6478     46:3114     47:244      49:1333   
  50:1080     51:319      52:1088     54:363      55:1        56:6      
  57:41       58:1715     59:1070     60:461      61:2090     62:2211   
  63:1809     64:5093     65:2200     66:4823     67:2685     68:1165   
  69:3443     70:1145     71:603      72:2278     74:2745     75:407    
  76:525      77:1707     78:1720     79:2320     80:1645     81:1416   
  82:1063     83:879      84:1077     85:2130     86:559      87:1502   
  88:992      89:2399     90:210      91:6535     92:1224     93:2359   
  94:2373     95:3117     96:909      97:349      98:934      99:169    
 100:88      101:1162    102:335     103:19647   104:3564    105:242    
 106:897     107:1834    108:703     109:3611    110:1633    111:1911   
 112:1395    113:1380    114:1153    115:1720    116:1618    117:1924   
 118:2204    119:1685    120:1150    121:1029    122:2363    123:1636   
 124:1451    125:1942    128:1195    129:690     130:523     131:1644   
 132:716     133:213     134:1043    135:229     136:539     137:673    
 138:1931    139:790     140:569     141:762     142:803     143:996    
 144:897     145:504     146:1250    147:775     148:1706    149:799    
 150:780     151:998     152:935     153:324     154:2413    155:965    
 156:1639    157:852     158:658     159:1899    160:1491    161:904    
 162:2654    163:772     164:1121    165:1586    166:465     167:1350   
 168:3207    169:866     170:3985    171:496     172:1072    173:2143   
 174:996     175:879     176:2274    177:4050    178:2558    179:1292   
 180:2097    181:2355    182:2678    183:1352    184:1139    185:14512  
 186:3666    187:2463    188:2975    189:2087    190:8281    191:1402   
 192:10021   193:6483    194:5332    195:4046    196:2896    197:1733   
 198:5701    199:5964    200:7418    201:5006    202:10235   203:10195  
 204:4628    205:3022    206:3306    207:3281    208:3943    209:4190   
 210:3904    211:2009    212:3072    213:2826    214:1073    215:52     
 216:5978    217:2197    218:899     219:575     220:1834    221:997    
 222:980     223:1421   

End of report


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