[menog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Aug 4 18:02:41 UTC 2017


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
MENOG, CaribNOG, BJNOG, SDNOG, CMNOG, 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 05 Aug, 2017

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

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

BGP routing table entries examined:                              656011
    Prefixes after maximum aggregation (per Origin AS):          255861
    Deaggregation factor:                                          2.56
    Unique aggregates announced (without unneeded subnets):      317134
Total ASes present in the Internet Routing Table:                 57975
    Prefixes per ASN:                                             11.32
Origin-only ASes present in the Internet Routing Table:           50148
Origin ASes announcing only one prefix:                           22171
Transit ASes present in the Internet Routing Table:                7827
Transit-only ASes present in the Internet Routing Table:            216
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      56
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:               116
    Numnber of instances of unregistered ASNs:                      120
Number of 32-bit ASNs allocated by the RIRs:                      19624
Number of 32-bit ASNs visible in the Routing Table:               15352
Prefixes from 32-bit ASNs in the Routing Table:                   62584
Number of bogon 32-bit ASNs visible in the Routing Table:            70
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            364
Number of addresses announced to Internet:                   2851265636
    Equivalent to 169 /8s, 242 /16s and 220 /24s
    Percentage of available address space announced:               77.0
    Percentage of allocated address space announced:               77.0
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.7
Total number of prefixes smaller than registry allocations:      218313

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

Prefixes being announced by APNIC Region ASes:                   178729
    Total APNIC prefixes after maximum aggregation:               51643
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          177767
    Unique aggregates announced from the APNIC address blocks:    73944
APNIC Region origin ASes present in the Internet Routing Table:    8257
    APNIC Prefixes per ASN:                                       21.53
APNIC Region origin ASes announcing only one prefix:               2297
APNIC Region transit ASes present in the Internet Routing Table:   1174
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         56
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3108
Number of APNIC addresses announced to Internet:              763858788
    Equivalent to 45 /8s, 135 /16s and 143 /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:                    200256
    Total ARIN prefixes after maximum aggregation:                95322
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           202116
    Unique aggregates announced from the ARIN address blocks:     93094
ARIN Region origin ASes present in the Internet Routing Table:    17944
    ARIN Prefixes per ASN:                                        11.26
ARIN Region origin ASes announcing only one prefix:                6657
ARIN Region transit ASes present in the Internet Routing Table:    1776
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2124
Number of ARIN addresses announced to Internet:              1110239392
    Equivalent to 66 /8s, 44 /16s and 232 /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:                    175789
    Total RIPE prefixes after maximum aggregation:                86316
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           171639
    Unique aggregates announced from the RIPE address blocks:    103612
RIPE Region origin ASes present in the Internet Routing Table:    24244
    RIPE Prefixes per ASN:                                         7.08
RIPE Region origin ASes announcing only one prefix:               11144
RIPE Region transit ASes present in the Internet Routing Table:    3428
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6052
Number of RIPE addresses announced to Internet:               713016704
    Equivalent to 42 /8s, 127 /16s and 197 /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:                   83955
    Total LACNIC prefixes after maximum aggregation:              18720
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:          85179
    Unique aggregates announced from the LACNIC address blocks:   39225
LACNIC Region origin ASes present in the Internet Routing Table:   6216
    LACNIC Prefixes per ASN:                                      13.70
LACNIC Region origin ASes announcing only one prefix:              1738
LACNIC Region transit ASes present in the Internet Routing Table:  1147
Average LACNIC Region AS path length visible:                       5.4
    Max LACNIC Region AS path length visible:                        37
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3733
Number of LACNIC addresses announced to Internet:             170914016
    Equivalent to 10 /8s, 47 /16s and 240 /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:                  17164
    Total AfriNIC prefixes after maximum aggregation:              3799
    AfriNIC Deaggregation factor:                                  4.52
Prefixes being announced from the AfriNIC address blocks:         18946
    Unique aggregates announced from the AfriNIC address blocks:   6951
AfriNIC Region origin ASes present in the Internet Routing Table:  1064
    AfriNIC Prefixes per ASN:                                     17.81
AfriNIC Region origin ASes announcing only one prefix:              334
AfriNIC Region transit ASes present in the Internet Routing Table:  207
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  335
Number of AfriNIC addresses announced to Internet:             92816128
    Equivalent to 5 /8s, 136 /16s and 67 /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         5459       4192      87  ERX-CERNET-BKB China Education and Rese
  7545         4003        407     389  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2967        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2799      11124     745  KIXS-AS-KR Korea Telecom, KR
  9829         2754       1498     549  BSNL-NIB National Internet Backbone, IN
  9808         2353       8699      32  CMNET-GD Guangdong Mobile Communication
 45899         2282       1449     106  VNPT-AS-VN VNPT Corp, VN
  4755         2096        423     221  TATACOMM-AS TATA Communications formerl
  7552         1663       1104      73  VIETEL-AS-AP Viettel Corporation, VN
  9498         1614        361     144  BBIL-AP BHARTI Airtel Ltd., IN

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
 22773         3828       2953     159  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3450       1341      88  SHAW - Shaw Communications Inc., CA
 18566         2209        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2043       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2020       2201     441  CHARTER-NET-HKY-NC - Charter Communicat
   209         1858       5065     636  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1843       3861     590  AMAZON-02 - Amazon.com, Inc., US
 30036         1819        328     290  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1697        854     231  ITCDELTA - Earthlink, Inc., US
   701         1560      10559     629  UUNET - MCI Communications Services, In

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
 39891         3387        186      23  ALJAWWALSTC-AS, SA
 20940         2960        969    2131  AKAMAI-ASN1, US
  8551         2558        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2052        332     425  TELLCOM-AS, TR
  9121         1924       1691      17  TTNET, TR
 12479         1642       1048      59  UNI2-AS, ES
 13188         1602        100      55  TRIOLAN, UA
 12389         1523       1422     640  ROSTELECOM-AS, RU
  6849         1225        355      21  UKRTELNET, UA
  8402         1100        544      15  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
 10620         3549        543     203  Telmex Colombia S.A., CO
  8151         2657       3402     578  Uninet S.A. de C.V., MX
 11830         2103        370      65  Instituto Costarricense de Electricidad
  6503         1557        437      53  Axtel, S.A.B. de C.V., MX
  7303         1556       1015     244  Telecom Argentina S.A., AR
  6147         1236        377      27  Telefonica del Peru S.A.A., PE
  3816         1024        501      93  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          955       2277     194  CLARO S.A., BR
 11172          916        126      86  Alestra, S. de R.L. de C.V., MX
 18881          898       1052      23  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         1216        398      48  LINKdotNET-AS, EG
 37611          745         91       8  Afrihost, ZA
 36903          711        357     130  MT-MPLS, MA
 36992          654       1377      27  ETISALAT-MISR, EG
 24835          501        850      15  RAYA-AS, EG
 29571          421         36      10  CITelecom-AS, CI
 37492          406        320      75  ORANGE-, TN
 15399          357         35       7  WANANCHI-, KE
  8452          318       1730      17  TE-AS TE-AS, EG
  2018          303        327      74  TENET-1, ZA

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         5459       4192      87  ERX-CERNET-BKB China Education and Rese
  7545         4003        407     389  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3828       2953     159  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3549        543     203  Telmex Colombia S.A., CO
  6327         3450       1341      88  SHAW - Shaw Communications Inc., CA
 39891         3387        186      23  ALJAWWALSTC-AS, SA
 17974         2967        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
 20940         2960        969    2131  AKAMAI-ASN1, US
  4766         2799      11124     745  KIXS-AS-KR Korea Telecom, KR
  9829         2754       1498     549  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
 22773       3828         3669   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       4003         3614   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3387         3364   ALJAWWALSTC-AS, SA
  6327       3450         3362   SHAW - Shaw Communications Inc., CA
 10620       3549         3346   Telmex Colombia S.A., CO
 17974       2967         2894   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  8551       2558         2518   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  9808       2353         2321   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  9829       2754         2205   BSNL-NIB National Internet Backbone, IN
 45899       2282         2176   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
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  65532   PRIVATE      14.192.19.0/24      132717       NDCTPL-IN NxtGen Datacenter & 
  64525   PRIVATE      45.119.143.0/24     133275       GIGANTIC-AS Gigantic Infotel P
  64525   PRIVATE      45.125.62.0/24      133275       GIGANTIC-AS Gigantic Infotel P
  65530   PRIVATE      45.249.40.0/24      133720       SOFTCALLCOC-AS SOFT CALL CUST-
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  65534   PRIVATE      58.68.109.0/24       10201       DWL-AS-IN Dishnet Wireless Lim
4294901876   PRIVATE      59.101.19.0/24        2764       AAPT AAPT Limited, AU
4294902000   PRIVATE      59.101.45.0/24        2764       AAPT AAPT Limited, AU
4294901905   PRIVATE      59.101.49.0/24        2764       AAPT AAPT Limited, AU

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

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

Network            Origin AS  Description
14.192.48.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.49.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.50.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.51.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
27.100.7.0/24        56096    UNKNOWN
41.76.232.0/21       62878    XLITT - Xlitt, US
41.77.248.0/21       62878    XLITT - Xlitt, US
41.78.12.0/23        62878    XLITT - Xlitt, US
41.78.180.0/23       37265    -Reserved AS-, ZZ
41.79.12.0/22        37306    -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       /9:13      /10:36      /11:105     /12:284     
/13:553     /14:1050    /15:1852    /16:13458   /17:7646    /18:13427   
/19:24665   /20:38988   /21:41551   /22:78192   /23:64918   /24:366995  
/25:878     /26:631     /27:644     /28:37      /29:25      /30:18      
/31:2       /32:28      

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

   ASN   No of nets  Total ann.  Description
  6327     3246          3450    SHAW - Shaw Communications Inc., CA
 22773     2996          3828    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 39891     2946          3387    ALJAWWALSTC-AS, SA
 18566     2093          2209    MEGAPATH5-US - MegaPath Corporation, US
  8551     2023          2558    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1603          1819    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 11830     1493          2103    Instituto Costarricense de Electricidad y Telec
 10620     1489          3549    Telmex Colombia S.A., CO
 11492     1395          1560    CABLEONE - CABLE ONE, INC., US
  6389     1355          2043    BELLSOUTH-NET-BLK - BellSouth.net Inc., US

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

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

   1:1582      2:810       4:18        5:2436      6:34        7:1      
   8:1054     12:1837     13:146      14:1715     15:27       16:2      
  17:161      18:90       20:61       23:2457     24:1911     25:2      
  27:2354     29:1        31:1913     32:84       33:18       35:21     
  36:386      37:2363     38:1329     39:65       40:97       41:2970   
  42:460      43:1963     44:77       45:2995     46:2821     47:157    
  49:1231     50:992      51:19       52:824      54:362      55:6      
  56:4        57:44       58:1557     59:1015     60:324      61:1932   
  62:1696     63:1912     64:4642     65:2219     66:4572     67:2286   
  68:1229     69:3360     70:1135     71:586      72:2211     74:2705   
  75:390      76:427      77:1517     78:1422     79:1952     80:1414   
  81:1386     82:997      83:720      84:958      85:1786     86:460    
  87:1184     88:751      89:2136     90:165      91:6202     92:991    
  93:2372     94:2406     95:2660     96:638      97:353      98:1049   
  99:93      100:153     101:1216    103:15519   104:3009    105:187    
 106:556     107:1784    108:824     109:2894    110:1471    111:1734   
 112:1234    113:1249    114:1042    115:1547    116:1633    117:1737   
 118:2151    119:1644    120:721     121:1081    122:2326    123:1822   
 124:1484    125:1802    128:854     129:649     130:436     131:1432   
 132:555     133:200     134:674     135:226     136:427     137:456    
 138:1916    139:499     140:399     141:604     142:774     143:867    
 144:813     145:183     146:1096    147:696     148:1488    149:588    
 150:707     151:973     152:704     153:300     154:856     155:753    
 156:641     157:657     158:471     159:1531    160:707     161:747    
 162:2518    163:534     164:928     165:1383    166:381     167:1254   
 168:2986    169:836     170:3467    171:332     172:1035    173:1989   
 174:813     175:746     176:1900    177:3982    178:2552    179:1146   
 180:2211    181:1904    182:2373    183:776     184:873     185:10328  
 186:3261    187:2216    188:2621    189:1789    190:8355    191:1334   
 192:9527    193:5793    194:4677    195:3909    196:2103    197:1336   
 198:5527    199:5904    200:7541    201:4304    202:10340   203:9974   
 204:4492    205:2830    206:3054    207:3145    208:3958    209:3984   
 210:3943    211:2097    212:2876    213:2503    214:857     215:66     
 216:5883    217:2124    218:889     219:597     220:1702    221:893    
 222:744     223:1191   

End of report


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