Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Sep 7 18:03:10 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 08 Sep, 2018

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

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

BGP routing table entries examined:                              714282
    Prefixes after maximum aggregation (per Origin AS):          274250
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      343136
Total ASes present in the Internet Routing Table:                 61743
    Prefixes per ASN:                                             11.57
Origin-only ASes present in the Internet Routing Table:           53330
Origin ASes announcing only one prefix:                           23274
Transit ASes present in the Internet Routing Table:                8413
Transit-only ASes present in the Internet Routing Table:            260
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:                70
    Number of instances of unregistered ASNs:                        70
Number of 32-bit ASNs allocated by the RIRs:                      23997
Number of 32-bit ASNs visible in the Routing Table:               19338
Prefixes from 32-bit ASNs in the Routing Table:                   80928
Number of bogon 32-bit ASNs visible in the Routing Table:            30
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            309
Number of addresses announced to Internet:                   2854496324
    Equivalent to 170 /8s, 36 /16s and 40 /24s
    Percentage of available address space announced:               77.1
    Percentage of allocated address space announced:               77.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.0
Total number of prefixes smaller than registry allocations:      238728

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

Prefixes being announced by APNIC Region ASes:                   194899
    Total APNIC prefixes after maximum aggregation:               55458
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          193038
    Unique aggregates announced from the APNIC address blocks:    79417
APNIC Region origin ASes present in the Internet Routing Table:    9064
    APNIC Prefixes per ASN:                                       21.30
APNIC Region origin ASes announcing only one prefix:               2553
APNIC Region transit ASes present in the Internet Routing Table:   1359
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         31
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4025
Number of APNIC addresses announced to Internet:              767575043
    Equivalent to 45 /8s, 192 /16s and 68 /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:                    212189
    Total ARIN prefixes after maximum aggregation:               100504
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           211894
    Unique aggregates announced from the ARIN address blocks:    100633
ARIN Region origin ASes present in the Internet Routing Table:    18243
    ARIN Prefixes per ASN:                                        11.62
ARIN Region origin ASes announcing only one prefix:                6778
ARIN Region transit ASes present in the Internet Routing Table:    1805
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:    2425
Number of ARIN addresses announced to Internet:              1100193184
    Equivalent to 65 /8s, 147 /16s and 157 /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:                    195459
    Total RIPE prefixes after maximum aggregation:                93307
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           191769
    Unique aggregates announced from the RIPE address blocks:    113734
RIPE Region origin ASes present in the Internet Routing Table:    25451
    RIPE Prefixes per ASN:                                         7.53
RIPE Region origin ASes announcing only one prefix:               11468
RIPE Region transit ASes present in the Internet Routing Table:    3511
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:    7369
Number of RIPE addresses announced to Internet:               714094464
    Equivalent to 42 /8s, 144 /16s and 55 /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:                   92235
    Total LACNIC prefixes after maximum aggregation:              20783
    LACNIC Deaggregation factor:                                   4.44
Prefixes being announced from the LACNIC address blocks:          93668
    Unique aggregates announced from the LACNIC address blocks:   40918
LACNIC Region origin ASes present in the Internet Routing Table:   7510
    LACNIC Prefixes per ASN:                                      12.47
LACNIC Region origin ASes announcing only one prefix:              2075
LACNIC Region transit ASes present in the Internet Routing Table:  1412
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        34
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5055
Number of LACNIC addresses announced to Internet:             172160544
    Equivalent to 10 /8s, 66 /16s and 246 /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:                  19429
    Total AfriNIC prefixes after maximum aggregation:              4138
    AfriNIC Deaggregation factor:                                  4.70
Prefixes being announced from the AfriNIC address blocks:         23604
    Unique aggregates announced from the AfriNIC address blocks:   8169
AfriNIC Region origin ASes present in the Internet Routing Table:  1189
    AfriNIC Prefixes per ASN:                                     19.85
AfriNIC Region origin ASes announcing only one prefix:              400
AfriNIC Region transit ASes present in the Internet Routing Table:  238
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  464
Number of AfriNIC addresses announced to Internet:            100022272
    Equivalent to 5 /8s, 246 /16s and 56 /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         4686       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4426        478     471  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2993       1154      90  VIETEL-AS-AP Viettel Group, VN
  4766         2823      11135     771  KIXS-AS-KR Korea Telecom, KR
  9829         2811       1495     540  BSNL-NIB National Internet Backbone, IN
 45899         2719       1650     158  VNPT-AS-VN VNPT Corp, VN
  9394         2630       4907      32  CTTNET China TieTong Telecommunications
  9808         2263       8699      26  CMNET-GD Guangdong Mobile Communication
 17974         2258        962      71  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4755         2122        417     204  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         3472       1324      84  SHAW - Shaw Communications Inc., CA
 11492         3339        238     497  CABLEONE - CABLE ONE, INC., US
 22773         3227       2970     149  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2283       4874     785  AMAZON-02 - Amazon.com, Inc., US
 18566         2166        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2151       2699     508  CHARTER-NET-HKY-NC - Charter Communicat
   209         2039       5085     603  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         2037        346     138  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 16625         2010       1054    1477  AKAMAI-AS - Akamai Technologies, Inc., 
  7018         1726      19679    1261  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         4771       1613     125  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3065        378      44  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2573        622    1911  AKAMAI-ASN1, US
 12389         2042       1897     734  ROSTELECOM-AS, RU
 34984         2028        336     510  TELLCOM-AS, TR
  9121         1852       1692      19  TTNET, TR
 13188         1604        100      43  TRIOLAN, UA
  6849         1241        355      21  UKRTELNET, UA
  8402         1218        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         5216       3352     606  Uninet S.A. de C.V., MX
 10620         3394        516     588  Telmex Colombia S.A., CO
 11830         2651        369      78  Instituto Costarricense de Electricidad
  6503         1671        444      65  Axtel, S.A.B. de C.V., MX
  7303         1430        953     206  Telecom Argentina S.A., AR
 28573         1094       2231     192  CLARO S.A., BR
  3816         1022        510     116  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          932        128      70  Alestra, S. de R.L. de C.V., MX
  6147          929        377      31  Telefonica del Peru S.A.A., PE
 18881          916       1082      27  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         1195        396      48  LINKdotNET-AS, EG
 37611          900        107       9  Afrihost, ZA
 36903          778        391     137  MT-MPLS, MA
 36992          746       1411      41  ETISALAT-MISR, EG
 24835          641        818      18  RAYA-AS, EG
  8452          597       1728      14  TE-AS TE-AS, EG
 37492          474        470      57  ORANGE-, TN
 29571          464         70      11  ORANGE-COTE-IVOIRE, CI
 37342          386         32       1  MOVITEL, MZ
 23889          375        231      15  MauritiusTelecom, MU

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         5216       3352     606  Uninet S.A. de C.V., MX
 12479         4771       1613     125  UNI2-AS, ES
  4538         4686       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4426        478     471  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  6327         3472       1324      84  SHAW - Shaw Communications Inc., CA
 10620         3394        516     588  Telmex Colombia S.A., CO
 11492         3339        238     497  CABLEONE - CABLE ONE, INC., US
 22773         3227       2970     149  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  8551         3065        378      44  BEZEQ-INTERNATIONAL-AS Bezeqint Interne

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       4771         4646   UNI2-AS, ES
  4538       4686         4612   ERX-CERNET-BKB China Education and Research Net
  7545       4426         3955   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3472         3388   SHAW - Shaw Communications Inc., CA
 22773       3227         3078   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3065         3021   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7552       2993         2903   VIETEL-AS-AP Viettel Group, VN
 11492       3339         2842   CABLEONE - CABLE ONE, INC., US
 10620       3394         2806   Telmex Colombia S.A., CO

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
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
4200003000   PRIVATE      47.89.98.0/24        45102       CNNIC-ALIBABA-CN-NET-AP Alibab
  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
  64121   UNALLOCATED  98.159.9.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64121   UNALLOCATED  98.159.12.0/24       19555       KMI-NETWORK - Kinder Morgan, I
  64140   UNALLOCATED  98.159.14.0/24       64121       UNKNOWN
  64544   PRIVATE      103.55.56.0/24      133831       IDNIC-ID Indonesia Network Inf

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
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
23.179.2.0/24         6939    HURRICANE - Hurricane Electric LLC, US
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
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
45.121.32.0/22      134356    UNKNOWN
45.124.164.0/22      38803    GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
45.252.236.0/22      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        /8:14       /9:11      /10:36      /11:99      /12:290     
/13:565     /14:1096    /15:1885    /16:13335   /17:7923    /18:13795   
/19:25364   /20:39518   /21:45692   /22:88657   /23:72277   /24:401525  
/25:819     /26:616     /27:633     /28:35      /29:20      /30:19      
/31:4       /32:54      

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

   ASN   No of nets  Total ann.  Description
 12479     3521          4771    UNI2-AS, ES
  6327     3260          3472    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2661          3339    CABLEONE - CABLE ONE, INC., US
  8551     2527          3065    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773     2494          3227    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2060          2166    MEGAPATH5-US - MegaPath Corporation, US
 11830     2001          2651    Instituto Costarricense de Electricidad y Telec
 30036     1785          2037    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1545          3394    Telmex Colombia S.A., CO

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

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

   1:1596      2:833       4:18        5:2825      6:44        7:1      
   8:1129     12:1870     13:209      14:1806     15:32       16:3      
  17:194      18:54       20:51       23:2460     24:2311     25:2      
  27:2483     31:1984     32:88       35:29       36:530      37:2822   
  38:1496     39:261      40:116      41:3198     42:706      43:1945   
  44:112      45:5463     46:3133     47:209      49:1354     50:1055   
  51:318      52:1087     54:368      55:1        56:8        57:38     
  58:1632     59:993      60:408      61:2112     62:1896     63:1800   
  64:5046     65:2218     66:4693     67:2660     68:1153     69:3349   
  70:1156     71:576      72:2220     74:2734     75:420      76:465    
  77:1648     78:1712     79:2240     80:1565     81:1398     82:1064   
  83:785      84:1034     85:2027     86:563      87:1417     88:914    
  89:2339     90:210      91:6434     92:1250     93:2377     94:2460   
  95:2966     96:933      97:355      98:926      99:138     100:86     
 101:1188    102:203     103:18597   104:3522    105:216     106:771    
 107:1776    108:706     109:3323    110:1644    111:1795    112:1345   
 113:1302    114:1138    115:1668    116:1657    117:1778    118:2208   
 119:1660    120:1032    121:1042    122:2422    123:1659    124:1427   
 125:1935    128:1125    129:679     130:492     131:1631    132:734    
 133:191     134:1029    135:235     136:507     137:655     138:1909   
 139:681     140:485     141:747     142:844     143:1025    144:816    
 145:480     146:1245    147:733     148:1654    149:773     150:762    
 151:1101    152:833     153:323     154:1627    155:803     156:1443   
 157:802     158:660     159:1855    160:1365    161:823     162:2672   
 163:605     164:1088    165:1552    166:455     167:1210    168:3139   
 169:829     170:3880    171:491     172:992     173:2099    174:977    
 175:803     176:2059    177:3977    178:2515    179:1259    180:2179   
 181:2432    182:2580    183:1250    184:1056    185:13996   186:3540   
 187:2506    188:2879    189:2033    190:8197    191:1349    192:9831   
 193:6141    194:5015    195:3994    196:2699    197:1608    198:5589   
 199:5940    200:7321    201:4975    202:10293   203:10291   204:4584   
 205:2905    206:3222    207:3195    208:3927    209:4082    210:3891   
 211:1999    212:3044    213:2831    214:1047    215:55      216:5998   
 217:2135    218:863     219:566     220:1806    221:999     222:990    
 223:1395   

End of report


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