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[apops] Weekly Routing Table Report



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@lists.apnic.net

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

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

Routing Table Report   04:00 +10GMT Sat 03 Nov, 2018

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

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

BGP routing table entries examined:                              724058
    Prefixes after maximum aggregation (per Origin AS):          278351
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      347474
Total ASes present in the Internet Routing Table:                 62311
    Prefixes per ASN:                                             11.62
Origin-only ASes present in the Internet Routing Table:           53784
Origin ASes announcing only one prefix:                           23352
Transit ASes present in the Internet Routing Table:                8527
Transit-only ASes present in the Internet Routing Table:            259
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      36
    Max AS path prepend of ASN ( 30873)                              34
Prefixes from unregistered ASNs in the Routing Table:                36
    Number of instances of unregistered ASNs:                        36
Number of 32-bit ASNs allocated by the RIRs:                      24713
Number of 32-bit ASNs visible in the Routing Table:               19978
Prefixes from 32-bit ASNs in the Routing Table:                   85127
Number of bogon 32-bit ASNs visible in the Routing Table:            15
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            262
Number of addresses announced to Internet:                   2857432321
    Equivalent to 170 /8s, 80 /16s and 245 /24s
    Percentage of available address space announced:               77.2
    Percentage of allocated address space announced:               77.2
    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:      241521

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

Prefixes being announced by APNIC Region ASes:                   197668
    Total APNIC prefixes after maximum aggregation:               56146
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          195158
    Unique aggregates announced from the APNIC address blocks:    80261
APNIC Region origin ASes present in the Internet Routing Table:    9203
    APNIC Prefixes per ASN:                                       21.21
APNIC Region origin ASes announcing only one prefix:               2574
APNIC Region transit ASes present in the Internet Routing Table:   1370
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4184
Number of APNIC addresses announced to Internet:              768168640
    Equivalent to 45 /8s, 201 /16s and 82 /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:                    215080
    Total ARIN prefixes after maximum aggregation:               102072
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           214525
    Unique aggregates announced from the ARIN address blocks:    102050
ARIN Region origin ASes present in the Internet Routing Table:    18279
    ARIN Prefixes per ASN:                                        11.74
ARIN Region origin ASes announcing only one prefix:                6787
ARIN Region transit ASes present in the Internet Routing Table:    1828
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:    2486
Number of ARIN addresses announced to Internet:              1098799264
    Equivalent to 65 /8s, 126 /16s and 88 /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:                    197489
    Total RIPE prefixes after maximum aggregation:                94402
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           193880
    Unique aggregates announced from the RIPE address blocks:    114827
RIPE Region origin ASes present in the Internet Routing Table:    25598
    RIPE Prefixes per ASN:                                         7.57
RIPE Region origin ASes announcing only one prefix:               11465
RIPE Region transit ASes present in the Internet Routing Table:    3529
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7541
Number of RIPE addresses announced to Internet:               715282816
    Equivalent to 42 /8s, 162 /16s and 89 /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:                   93937
    Total LACNIC prefixes after maximum aggregation:              21540
    LACNIC Deaggregation factor:                                   4.36
Prefixes being announced from the LACNIC address blocks:          95372
    Unique aggregates announced from the LACNIC address blocks:   41659
LACNIC Region origin ASes present in the Internet Routing Table:   7735
    LACNIC Prefixes per ASN:                                      12.33
LACNIC Region origin ASes announcing only one prefix:              2118
LACNIC Region transit ASes present in the Internet Routing Table:  1451
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5278
Number of LACNIC addresses announced to Internet:             172528672
    Equivalent to 10 /8s, 72 /16s and 148 /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:                  19847
    Total AfriNIC prefixes after maximum aggregation:              4162
    AfriNIC Deaggregation factor:                                  4.77
Prefixes being announced from the AfriNIC address blocks:         24861
    Unique aggregates announced from the AfriNIC address blocks:   8434
AfriNIC Region origin ASes present in the Internet Routing Table:  1215
    AfriNIC Prefixes per ASN:                                     20.46
AfriNIC Region origin ASes announcing only one prefix:              408
AfriNIC Region transit ASes present in the Internet Routing Table:  244
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:  489
Number of AfriNIC addresses announced to Internet:            102250496
    Equivalent to 6 /8s, 24 /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         4637       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4546        514     511  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2991       1154      94  VIETEL-AS-AP Viettel Group, VN
 45899         2947       1685     109  VNPT-AS-VN VNPT Corp, VN
  4766         2806      11130     764  KIXS-AS-KR Korea Telecom, KR
  9829         2746       1496     551  BSNL-NIB National Internet Backbone, IN
  9808         2446       8699      26  CMNET-GD Guangdong Mobile Communication
  9394         2422       4907      30  CTTNET China TieTong Telecommunications
 17974         2244        968      51  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4755         2130        421     170  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         3467       1324      84  SHAW - Shaw Communications Inc., CA
 11492         3459        223     629  CABLEONE - CABLE ONE, INC., US
 22773         3271       2972     164  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2413       5012     869  AMAZON-02 - Amazon.com, Inc., US
 18566         2154        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2145       2738     541  CHARTER-NET-HKY-NC - Charter Communicat
 16625         2117       1140    1571  AKAMAI-AS - Akamai Technologies, Inc., 
  5650         2084       3074    1461  FRONTIER-FRTR - Frontier Communications
 30036         2056        346     148  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         2040       5079     594  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         5006       1615     134  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3043        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2561        574    1913  AKAMAI-ASN1, US
 12389         2178       2172     640  ROSTELECOM-AS, RU
 34984         2012        334     534  TELLCOM-AS, TR
  9121         1878       1691      17  TTNET, TR
 13188         1600        100      42  TRIOLAN, UA
  8402         1279        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1241        355      21  UKRTELNET, UA

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         5439       3307     600  Uninet S.A. de C.V., MX
 10620         3196        489     810  Telmex Colombia S.A., CO
 11830         2663        370      75  Instituto Costarricense de Electricidad
  6503         1660        449      54  Axtel, S.A.B. de C.V., MX
  7303         1441        964     208  Telecom Argentina S.A., AR
 28573         1128       2237     181  CLARO S.A., BR
  6147         1089        377      29  Telefonica del Peru S.A.A., PE
  3816         1025        512     114  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          937        145      72  Alestra, S. de R.L. de C.V., MX
 13999          923        538     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         1155        394      29  LINKdotNET-AS, EG
 37611          909        107       9  Afrihost, ZA
 36903          794        399     146  MT-MPLS, MA
 36992          752       1411      41  ETISALAT-MISR, EG
 24835          650        694      19  RAYA-AS, EG
  8452          637       1728      15  TE-AS TE-AS, EG
 37492          467        470      57  ORANGE-, TN
 29571          463         70      12  ORANGE-COTE-IVOIRE, CI
 23889          400        231      15  MauritiusTelecom, MU
 37342          394         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
  8151         5439       3307     600  Uninet S.A. de C.V., MX
 12479         5006       1615     134  UNI2-AS, ES
  4538         4637       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4546        514     511  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  6327         3467       1324      84  SHAW - Shaw Communications Inc., CA
 11492         3459        223     629  CABLEONE - CABLE ONE, INC., US
 22773         3271       2972     164  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3196        489     810  Telmex Colombia S.A., CO
  8551         3043        378      43  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       5006         4872   UNI2-AS, ES
  4538       4637         4563   ERX-CERNET-BKB China Education and Research Net
  7545       4546         4035   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3467         3383   SHAW - Shaw Communications Inc., CA
 22773       3271         3107   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3043         3000   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7552       2991         2897   VIETEL-AS-AP Viettel Group, VN
 45899       2947         2838   VNPT-AS-VN VNPT Corp, VN
 11492       3459         2830   CABLEONE - CABLE ONE, INC., US

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
  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
  65553   UNALLOCATED  103.218.190.0/24     58715       EARTHTELECOMMUNICATION-AS EART
  65001   PRIVATE      109.161.56.0/24      13118       ASN-YARTELECOM PJSC Rostelecom
  92937   UNALLOCATED  110.49.72.0/24       45458       SBN-AWN-AS-02-AP SBN-ISP/AWN-I
4230060012   PRIVATE      132.190.106.0/24     64673       -Private Use AS-, ZZ

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
41.76.140.0/22       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
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      /11:98      /12:289     
/13:567     /14:1099    /15:1890    /16:13332   /17:7865    /18:13832   
/19:25440   /20:39630   /21:46101   /22:89932   /23:73951   /24:407748  
/25:817     /26:629     /27:640     /28:36      /29:20      /30:24      
/31:4       /32:53      

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

   ASN   No of nets  Total ann.  Description
 12479     3829          5006    UNI2-AS, ES
  6327     3252          3467    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2745          3459    CABLEONE - CABLE ONE, INC., US
 22773     2527          3271    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2499          3043    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2048          2154    MEGAPATH5-US - MegaPath Corporation, US
 11830     2010          2663    Instituto Costarricense de Electricidad y Telec
 30036     1805          2056    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1761          2084    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)
----------------------------------------------

   1:1620      2:886       4:18        5:2694      6:43        7:1      
   8:1133     12:1875     13:240      14:1863     15:32       16:3      
  17:192      18:58       20:50       23:2484     24:2441     25:2      
  27:2498     31:2003     32:85       35:30       36:566      37:2933   
  38:1563     39:265      40:122      41:3203     42:714      43:1978   
  44:125      45:5943     46:3093     47:230      49:1308     50:1069   
  51:318      52:1098     54:363      55:1        56:12       57:38     
  58:1656     59:992      60:453      61:2086     62:1953     63:1789   
  64:5050     65:2196     66:4816     67:2664     68:1158     69:3357   
  70:1178     71:600      72:2230     74:2726     75:414      76:479    
  77:1669     78:1735     79:2223     80:1567     81:1409     82:1052   
  83:795      84:1041     85:2075     86:552      87:1469     88:948    
  89:2381     90:209      91:6477     92:1269     93:2390     94:2425   
  95:3019     96:914      97:350      98:936      99:152     100:71     
 101:1163    102:272     103:19057   104:3588    105:231     106:881    
 107:1845    108:710     109:3386    110:1667    111:1822    112:1396   
 113:1312    114:1142    115:1685    116:1651    117:1900    118:2201   
 119:1673    120:1105    121:1045    122:2333    123:1680    124:1447   
 125:1945    128:1202    129:690     130:507     131:1616    132:708    
 133:189     134:1038    135:237     136:528     137:659     138:1956   
 139:721     140:558     141:755     142:809     143:1003    144:844    
 145:498     146:1247    147:763     148:1682    149:779     150:764    
 151:998     152:873     153:325     154:2010    155:952     156:1569   
 157:843     158:656     159:1862    160:1478    161:868     162:2639   
 163:757     164:1107    165:1580    166:455     167:1349    168:3145   
 169:861     170:3991    171:492     172:1057    173:2095    174:986    
 175:829     176:2133    177:4016    178:2510    179:1298    180:2123   
 181:2432    182:2591    183:1471    184:1130    185:14292   186:3595   
 187:2455    188:2925    189:2014    190:8328    191:1396    192:9905   
 193:6376    194:5190    195:4028    196:2897    197:1618    198:5674   
 199:5968    200:7361    201:5022    202:10220   203:10159   204:4608   
 205:3024    206:3233    207:3215    208:3944    209:4156    210:3846   
 211:2015    212:3006    213:2831    214:1048    215:55      216:6032   
 217:2177    218:874     219:576     220:1825    221:1006    222:972    
 223:1393   

End of report