[menog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Apr 6 18:03:30 UTC 2018


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, IRNOG 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 07 Apr, 2018

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

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

BGP routing table entries examined:                              690896
    Prefixes after maximum aggregation (per Origin AS):          266872
    Deaggregation factor:                                          2.59
    Unique aggregates announced (without unneeded subnets):      332608
Total ASes present in the Internet Routing Table:                 60156
    Prefixes per ASN:                                             11.49
Origin-only ASes present in the Internet Routing Table:           51982
Origin ASes announcing only one prefix:                           22730
Transit ASes present in the Internet Routing Table:                8174
Transit-only ASes present in the Internet Routing Table:            266
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      34
    Max AS path prepend of ASN ( 30873)                              32
Prefixes from unregistered ASNs in the Routing Table:                50
    Number of instances of unregistered ASNs:                        50
Number of 32-bit ASNs allocated by the RIRs:                      22082
Number of 32-bit ASNs visible in the Routing Table:               17722
Prefixes from 32-bit ASNs in the Routing Table:                   73655
Number of bogon 32-bit ASNs visible in the Routing Table:            20
Special use prefixes present in the Routing Table:                    3
Prefixes being announced from unallocated address space:            310
Number of addresses announced to Internet:                   2861813986
    Equivalent to 170 /8s, 147 /16s and 208 /24s
    Percentage of available address space announced:               77.3
    Percentage of allocated address space announced:               77.3
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.9
Total number of prefixes smaller than registry allocations:      230077

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

Prefixes being announced by APNIC Region ASes:                   188751
    Total APNIC prefixes after maximum aggregation:               53654
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          187714
    Unique aggregates announced from the APNIC address blocks:    76628
APNIC Region origin ASes present in the Internet Routing Table:    8693
    APNIC Prefixes per ASN:                                       21.59
APNIC Region origin ASes announcing only one prefix:               2439
APNIC Region transit ASes present in the Internet Routing Table:   1288
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         24
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3653
Number of APNIC addresses announced to Internet:              766814946
    Equivalent to 45 /8s, 180 /16s and 170 /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, 131072-137529
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:                    206144
    Total ARIN prefixes after maximum aggregation:                98618
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           206770
    Unique aggregates announced from the ARIN address blocks:     97746
ARIN Region origin ASes present in the Internet Routing Table:    18123
    ARIN Prefixes per ASN:                                        11.41
ARIN Region origin ASes announcing only one prefix:                6693
ARIN Region transit ASes present in the Internet Routing Table:    1795
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2332
Number of ARIN addresses announced to Internet:              1109310624
    Equivalent to 66 /8s, 30 /16s and 188 /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, 393216-397212
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:                    188163
    Total RIPE prefixes after maximum aggregation:                90863
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           184468
    Unique aggregates announced from the RIPE address blocks:    109731
RIPE Region origin ASes present in the Internet Routing Table:    24935
    RIPE Prefixes per ASN:                                         7.40
RIPE Region origin ASes announcing only one prefix:               11306
RIPE Region transit ASes present in the Internet Routing Table:    3476
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6819
Number of RIPE addresses announced to Internet:               715437952
    Equivalent to 42 /8s, 164 /16s and 183 /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
                       196608-207259
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:                   89159
    Total LACNIC prefixes after maximum aggregation:              19670
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:          90546
    Unique aggregates announced from the LACNIC address blocks:   40664
LACNIC Region origin ASes present in the Internet Routing Table:   6983
    LACNIC Prefixes per ASN:                                      12.97
LACNIC Region origin ASes announcing only one prefix:              1923
LACNIC Region transit ASes present in the Internet Routing Table:  1286
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        32
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4514
Number of LACNIC addresses announced to Internet:             172503776
    Equivalent to 10 /8s, 72 /16s and 50 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-268700 + 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:                  18627
    Total AfriNIC prefixes after maximum aggregation:              4027
    AfriNIC Deaggregation factor:                                  4.63
Prefixes being announced from the AfriNIC address blocks:         21088
    Unique aggregates announced from the AfriNIC address blocks:   7581
AfriNIC Region origin ASes present in the Internet Routing Table:  1131
    AfriNIC Prefixes per ASN:                                     18.65
AfriNIC Region origin ASes announcing only one prefix:              368
AfriNIC Region transit ASes present in the Internet Routing Table:  227
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  404
Number of AfriNIC addresses announced to Internet:             97351680
    Equivalent to 5 /8s, 205 /16s and 120 /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
  4538         5416       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         3870        413     428  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2843      11130     778  KIXS-AS-KR Korea Telecom, KR
  9829         2814       1499     544  BSNL-NIB National Internet Backbone, IN
  7552         2716       1155      67  VIETEL-AS-AP Viettel Group, VN
  9394         2631       4923      29  CTTNET China TieTong Telecommunications
 45899         2585       1570     160  VNPT-AS-VN VNPT Corp, VN
 17974         2322        928      79  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2178       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2089        417     216  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         3352       1323      85  SHAW - Shaw Communications Inc., CA
 22773         3286       2988     151  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2167        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2092       2484     447  CHARTER-NET-HKY-NC - Charter Communicat
 16509         2043       4411     635  AMAZON-02 - Amazon.com, Inc., US
 30036         1955        341     181  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         1922       5071     607  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 11492         1793        228     537  CABLEONE - CABLE ONE, INC., US
 16625         1707        831    1222  AKAMAI-AS - Akamai Technologies, Inc., 
  7018         1706      20205    1257  ATT-INTERNET4 - AT&T Services, Inc., US

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         4059       1513     474  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 20940         2735        767    2003  AKAMAI-ASN1, US
  8551         2114        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2036       1859     706  ROSTELECOM-AS, RU
 34984         2018        334     480  TELLCOM-AS, TR
  9121         1956       1692      19  TTNET, TR
 13188         1607        100      46  TRIOLAN, UA
  6849         1241        355      21  UKRTELNET, UA
  8402         1233        544      14  CORBINA-AS OJSC "Vimpelcom", RU

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         4328       3385     574  Uninet S.A. de C.V., MX
 10620         3598        540     268  Telmex Colombia S.A., CO
 11830         2641        369      85  Instituto Costarricense de Electricidad
  6503         1625        437      53  Axtel, S.A.B. de C.V., MX
  7303         1510       1023     192  Telecom Argentina S.A., AR
 28573         1032       2251     174  CLARO S.A., BR
  6147         1016        377      31  Telefonica del Peru S.A.A., PE
  3816         1005        504     121  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          928        126      85  Alestra, S. de R.L. de C.V., MX
 18881          908       1074      29  TELEFÔNICA BRASIL S.A, BR

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         1143        396      44  LINKdotNET-AS, EG
 37611          821        107       9  Afrihost, ZA
 36903          741        372     137  MT-MPLS, MA
 36992          705       1412      41  ETISALAT-MISR, EG
 24835          638        850      15  RAYA-AS, EG
  8452          631       1730      18  TE-AS TE-AS, EG
 29571          471         68      12  ORANGE-COTE-IVOIRE, CI
 37492          450        376      81  ORANGE-, TN
 15399          364         35       7  WANANCHI-, KE
 37342          360         32       1  MOVITEL, MZ

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
  4538         5416       4192      74  ERX-CERNET-BKB China Education and Rese
  8151         4328       3385     574  Uninet S.A. de C.V., MX
 12479         4059       1513     474  UNI2-AS, ES
  7545         3870        413     428  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 10620         3598        540     268  Telmex Colombia S.A., CO
  6327         3352       1323      85  SHAW - Shaw Communications Inc., CA
 22773         3286       2988     151  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  4766         2843      11130     778  KIXS-AS-KR Korea Telecom, KR
  9829         2814       1499     544  BSNL-NIB National Internet Backbone, IN

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

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

  ASN   No of nets  Net Savings  Description
 39891       3778         3758   ALJAWWALSTC-AS, SA
  8151       4328         3754   Uninet S.A. de C.V., MX
 12479       4059         3585   UNI2-AS, ES
  7545       3870         3442   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3598         3330   Telmex Colombia S.A., CO
  6327       3352         3267   SHAW - Shaw Communications Inc., CA
 22773       3286         3135   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       2716         2649   VIETEL-AS-AP Viettel Group, VN
  9394       2631         2602   CTTNET China TieTong Telecommunications Corpora
 11830       2641         2556   Instituto Costarricense de Electricidad y Telec

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
 267359   UNALLOCATED  45.234.36.0/22      264144       ASAP GLOBAL TELECOM, BR
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
  65537   DOCUMENT     62.162.120.0/24       6821       MT-AS-OWN bul. Orce Nikolov bb
  65024   PRIVATE      87.103.234.0/24      39407       CHITATELECOM-AS, RU
  65024   PRIVATE      95.189.78.0/24       39407       CHITATELECOM-AS, RU
  65024   PRIVATE      95.189.80.0/22       39407       CHITATELECOM-AS, RU
  64111   UNALLOCATED  98.159.5.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64111   UNALLOCATED  98.159.7.0/24        19555       KMI-NETWORK - Kinder Morgan, I

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

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

Prefix             Origin AS  Description
100.66.224.0/19        209     CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati
100.127.16.0/23      28885     OMANTEL-NAP-AS OmanTel NAP, OM
100.127.18.0/23      28885     OMANTEL-NAP-AS OmanTel NAP, OM

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

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

Network            Origin AS  Description
14.128.14.0/23       10247    NETLINE, ZA
14.192.50.0/23       10247    NETLINE, ZA
14.192.58.0/23       10247    NETLINE, ZA
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/23      10247    NETLINE, ZA
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.136.0/24       37500    -Reserved AS-, ZZ
41.76.138.0/24       37500    -Reserved AS-, ZZ
41.76.139.0/24       37500    -Reserved AS-, ZZ
41.76.140.0/22       37500    -Reserved AS-, ZZ

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        /8:15       /9:12      /10:37      /11:100     /12:288     
/13:564     /14:1098    /15:1900    /16:13371   /17:7800    /18:13591   
/19:25132   /20:39238   /21:45076   /22:85970   /23:69237   /24:385229  
/25:841     /26:604     /27:661     /28:35      /29:20      /30:17      
/31:4       /32:56      

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

   ASN   No of nets  Total ann.  Description
  6327     3141          3352    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 12479     2783          4059    UNI2-AS, ES
 22773     2538          3286    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2061          2167    MEGAPATH5-US - MegaPath Corporation, US
 11830     1989          2641    Instituto Costarricense de Electricidad y Telec
 30036     1706          1955    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1604          3598    Telmex Colombia S.A., CO
  8551     1577          2114    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492     1554          1793    CABLEONE - CABLE ONE, INC., US

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

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

   1:1549      2:826       4:19        5:2759      6:59        7:1      
   8:1123     12:1881     13:183      14:1737     15:30       16:3      
  17:196      18:68       20:47       21:4        23:2542     24:2156   
  25:2        27:2197     31:1948     32:87       35:26       36:494    
  37:2680     38:1450     39:237      40:118      41:3030     42:598    
  43:1937     44:103      45:4024     46:3000     47:203      49:1289   
  50:1048     51:304      52:988      54:371      55:4        56:12     
  57:42       58:1505     59:1015     60:428      61:2134     62:1807   
  63:1797     64:4754     65:2217     66:4585     67:2346     68:1148   
  69:3194     70:1141     71:560      72:2096     74:2709     75:412    
  76:426      77:1541     78:1684     79:1917     80:1464     81:1414   
  82:1076     83:783      84:1034     85:2083     86:586      87:1312   
  88:934      89:2319     90:208      91:6272     92:1157     93:2384   
  94:2380     95:2758     96:658      97:357      98:935      99:133    
 100:79      101:1234    102:41      103:17264   104:3264    105:229    
 106:647     107:1765    108:710     109:2676    110:1578    111:1775   
 112:1267    113:1331    114:1121    115:1652    116:1640    117:1703   
 118:2114    119:1655    120:955     121:1061    122:2452    123:1805   
 124:1448    125:1882    128:982     129:640     130:448     131:1585   
 132:651     133:196     134:1005    135:226     136:455     137:499    
 138:1911    139:582     140:424     141:688     142:790     143:962    
 144:807     145:458     146:1164    147:760     148:1585    149:710    
 150:715     151:1058    152:760     153:310     154:1024    155:754    
 156:865     157:780     158:627     159:1663    160:932     161:747    
 162:2585    163:531     164:1040    165:1408    166:423     167:1408   
 168:3037    169:809     170:3716    171:428     172:1042    173:1962   
 174:883     175:750     176:1867    177:3969    178:2406    179:1202   
 180:2240    181:2200    182:2290    183:1143    184:913     185:13091  
 186:3573    187:2367    188:2747    189:2014    190:8133    191:1447   
 192:9820    193:5868    194:4777    195:3950    196:2493    197:1414   
 198:5507    199:5874    200:7395    201:4992    202:10321   203:10109  
 204:4523    205:2864    206:3071    207:3195    208:3981    209:3938   
 210:4026    211:2108    212:3018    213:2727    214:907     215:60     
 216:5859    217:2133    218:900     219:620     220:1724    221:1000   
 222:1042    223:1240   

End of report


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