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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 29 Dec, 2018

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

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

BGP routing table entries examined:                              732568
    Prefixes after maximum aggregation (per Origin AS):          281558
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      352396
Total ASes present in the Internet Routing Table:                 62800
    Prefixes per ASN:                                             11.67
Origin-only ASes present in the Internet Routing Table:           54121
Origin ASes announcing only one prefix:                           23521
Transit ASes present in the Internet Routing Table:                8679
Transit-only ASes present in the Internet Routing Table:            267
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      31
    Max AS path prepend of ASN ( 16327)                              25
Prefixes from unregistered ASNs in the Routing Table:                23
    Number of instances of unregistered ASNs:                        25
Number of 32-bit ASNs allocated by the RIRs:                      25337
Number of 32-bit ASNs visible in the Routing Table:               20536
Prefixes from 32-bit ASNs in the Routing Table:                   88512
Number of bogon 32-bit ASNs visible in the Routing Table:            17
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            259
Number of addresses announced to Internet:                   2839468257
    Equivalent to 169 /8s, 62 /16s and 216 /24s
    Percentage of available address space announced:               76.7
    Percentage of allocated address space announced:               76.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.1
Total number of prefixes smaller than registry allocations:      244625

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

Prefixes being announced by APNIC Region ASes:                   200435
    Total APNIC prefixes after maximum aggregation:               56892
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          197466
    Unique aggregates announced from the APNIC address blocks:    81144
APNIC Region origin ASes present in the Internet Routing Table:    9321
    APNIC Prefixes per ASN:                                       21.19
APNIC Region origin ASes announcing only one prefix:               2630
APNIC Region transit ASes present in the Internet Routing Table:   1388
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4321
Number of APNIC addresses announced to Internet:              769522432
    Equivalent to 45 /8s, 221 /16s and 251 /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:                    216519
    Total ARIN prefixes after maximum aggregation:               102857
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           215874
    Unique aggregates announced from the ARIN address blocks:    103478
ARIN Region origin ASes present in the Internet Routing Table:    18306
    ARIN Prefixes per ASN:                                        11.79
ARIN Region origin ASes announcing only one prefix:                6808
ARIN Region transit ASes present in the Internet Routing Table:    1848
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2525
Number of ARIN addresses announced to Internet:              1077225376
    Equivalent to 64 /8s, 53 /16s and 39 /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:                    200375
    Total RIPE prefixes after maximum aggregation:                95545
    RIPE Deaggregation factor:                                     2.10
Prefixes being announced from the RIPE address blocks:           196692
    Unique aggregates announced from the RIPE address blocks:    116262
RIPE Region origin ASes present in the Internet Routing Table:    25722
    RIPE Prefixes per ASN:                                         7.65
RIPE Region origin ASes announcing only one prefix:               11490
RIPE Region transit ASes present in the Internet Routing Table:    3605
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7702
Number of RIPE addresses announced to Internet:               716094016
    Equivalent to 42 /8s, 174 /16s and 186 /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:                   95041
    Total LACNIC prefixes after maximum aggregation:              22021
    LACNIC Deaggregation factor:                                   4.32
Prefixes being announced from the LACNIC address blocks:          96416
    Unique aggregates announced from the LACNIC address blocks:   42165
LACNIC Region origin ASes present in the Internet Routing Table:   7933
    LACNIC Prefixes per ASN:                                      12.15
LACNIC Region origin ASes announcing only one prefix:              2171
LACNIC Region transit ASes present in the Internet Routing Table:  1488
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5482
Number of LACNIC addresses announced to Internet:             173221888
    Equivalent to 10 /8s, 83 /16s and 40 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-270748 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes:                  20174
    Total AfriNIC prefixes after maximum aggregation:              4225
    AfriNIC Deaggregation factor:                                  4.77
Prefixes being announced from the AfriNIC address blocks:         25861
    Unique aggregates announced from the AfriNIC address blocks:   9108
AfriNIC Region origin ASes present in the Internet Routing Table:  1235
    AfriNIC Prefixes per ASN:                                     20.94
AfriNIC Region origin ASes announcing only one prefix:              422
AfriNIC Region transit ASes present in the Internet Routing Table:  243
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  506
Number of AfriNIC addresses announced to Internet:            103003648
    Equivalent to 6 /8s, 35 /16s and 182 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

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

   ASN   No of nets  /20 equiv  MaxAgg  Description
  7545         4656        515     522  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4642       4192      74  ERX-CERNET-BKB China Education and Rese
  7552         3019       1160      92  VIETEL-AS-AP Viettel Group, VN
 45899         2982       1717     115  VNPT-AS-VN VNPT Corp, VN
  4766         2815      11129     768  KIXS-AS-KR Korea Telecom, KR
  9829         2749       1496     551  BSNL-NIB National Internet Backbone, IN
  9808         2504       8699      26  CMNET-GD Guangdong Mobile Communication
  9394         2399       4906      29  CTTNET China TieTong Telecommunications
 17974         2253        968      50  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4755         2140        437     181  TATACOMM-AS TATA Communications formerl

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

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

   ASN   No of nets  /20 equiv  MaxAgg  Description
  6327         3502       1326      91  SHAW - Shaw Communications Inc., CA
 11492         3481        225     607  CABLEONE - CABLE ONE, INC., US
 22773         3305       2980     175  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2594       5291     972  AMAZON-02 - Amazon.com, Inc., US
 16625         2200       1229    1691  AKAMAI-AS - Akamai Technologies, Inc., 
 20115         2151       2754     534  CHARTER-20115 - Charter Communications,
 18566         2143        405     108  MEGAPATH5-US - MegaPath Corporation, US
 30036         2088        349     169  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  5650         2087       3074    1462  FRONTIER-FRTR - Frontier Communications
   209         2074       5077     588  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         5249       1629     139  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3247        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2622        576    1931  AKAMAI-ASN1, US
 12389         2228       2221     626  ROSTELECOM-AS, RU
 34984         2036        337     533  TELLCOM-AS, TR
  9121         1676       1691      17  TTNET, TR
 13188         1604        100      46  TRIOLAN, UA
  8402         1299        544      17  CORBINA-AS OJSC "Vimpelcom", RU
  9009         1201        129     675  M247, GB

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

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

   ASN   No of nets  /20 equiv  MaxAgg  Description
  8151         5466       3317     591  Uninet S.A. de C.V., MX
 10620         3148        476     896  Telmex Colombia S.A., CO
 11830         2676        371      71  Instituto Costarricense de Electricidad
  6503         1649        449      54  Axtel, S.A.B. de C.V., MX
  7303         1440        961     228  Telecom Argentina S.A., AR
 28573         1195       2237     181  CLARO S.A., BR
  6147         1079        377      29  Telefonica del Peru S.A.A., PE
  3816         1025        511     112  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          942        144      68  Alestra, S. de R.L. de C.V., MX
 13999          934        538     258  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         1164        393      24  LINKdotNET-AS, EG
 37611          898        107       9  Afrihost, ZA
 36903          797        401     139  MT-MPLS, MA
 36992          780       1411      44  ETISALAT-MISR, EG
 24835          683        634      21  RAYA-AS, EG
  8452          642       1731      19  TE-AS TE-AS, EG
 29571          481         70      12  ORANGE-COTE-IVOIRE, CI
 37492          459        470      57  ORANGE-, TN
 37342          421         32       1  MOVITEL, MZ
 15399          415         45      11  WANANCHI-, KE

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

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

   ASN   No of nets  /20 equiv  MaxAgg  Description
  8151         5466       3317     591  Uninet S.A. de C.V., MX
 12479         5249       1629     139  UNI2-AS, ES
  7545         4656        515     522  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4642       4192      74  ERX-CERNET-BKB China Education and Rese
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  6327         3502       1326      91  SHAW - Shaw Communications Inc., CA
 11492         3481        225     607  CABLEONE - CABLE ONE, INC., US
 22773         3305       2980     175  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  8551         3247        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 10620         3148        476     896  Telmex Colombia S.A., CO

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

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

  ASN   No of nets  Net Savings  Description
 12479       5249         5110   UNI2-AS, ES
  4538       4642         4568   ERX-CERNET-BKB China Education and Research Net
  7545       4656         4134   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3502         3411   SHAW - Shaw Communications Inc., CA
  8551       3247         3204   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773       3305         3130   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       3019         2927   VIETEL-AS-AP Viettel Group, VN
 11492       3481         2874   CABLEONE - CABLE ONE, INC., US
 45899       2982         2867   VNPT-AS-VN VNPT Corp, VN

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

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

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

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

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

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

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

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

Network            Origin AS  Description
27.100.7.0/24        56096    UNKNOWN
41.76.140.0/22       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        /8:12       /9:11      /10:36      /11:99      /12:291     
/13:568     /14:1127    /15:1912    /16:13351   /17:7872    /18:13853   
/19:25519   /20:39687   /21:46137   /22:91161   /23:74541   /24:413536  
/25:925     /26:813     /27:868     /28:32      /29:19      /30:7       
/31:2       /32:189     

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

   ASN   No of nets  Total ann.  Description
 12479     4101          5249    UNI2-AS, ES
  6327     3266          3502    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2764          3481    CABLEONE - CABLE ONE, INC., US
  8551     2703          3247    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773     2544          3305    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2038          2143    MEGAPATH5-US - MegaPath Corporation, US
 11830     2021          2676    Instituto Costarricense de Electricidad y Telec
 30036     1837          2088    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1761          2087    FRONTIER-FRTR - Frontier Communications of Amer

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

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

   1:1614      2:888       3:1         4:23        5:2769      6:43     
   7:1         8:1173     12:1877     13:302      14:1886     15:36     
  16:2        17:209      18:59       20:48       23:2551     24:2416   
  25:2        27:2550     31:2019     32:92       35:31       36:828    
  37:3000     38:1599     39:279      40:119      41:3148     42:728    
  43:2000     44:137      45:6425     46:3105     47:244      49:1333   
  50:1076     51:319      52:1085     54:363      55:1        56:6      
  57:41       58:1713     59:1071     60:461      61:2091     62:2157   
  63:1812     64:5077     65:2183     66:4803     67:2684     68:1160   
  69:3432     70:1144     71:603      72:2264     74:2740     75:406    
  76:526      77:1715     78:1710     79:2283     80:1636     81:1384   
  82:1080     83:876      84:1064     85:2127     86:563      87:1501   
  88:988      89:2417     90:211      91:6525     92:1261     93:2358   
  94:2360     95:3142     96:906      97:349      98:936      99:169    
 100:88      101:1166    102:337     103:19574   104:3559    105:242    
 106:888     107:1835    108:702     109:3644    110:1635    111:1904   
 112:1395    113:1382    114:1142    115:1721    116:1617    117:1928   
 118:2202    119:1690    120:1140    121:1029    122:2356    123:1628   
 124:1446    125:1948    128:1192    129:690     130:523     131:1650   
 132:716     133:193     134:1043    135:229     136:537     137:675    
 138:1958    139:777     140:568     141:763     142:797     143:995    
 144:855     145:504     146:1249    147:770     148:1703    149:790    
 150:787     151:994     152:933     153:326     154:2399    155:963    
 156:1635    157:851     158:656     159:1889    160:1490    161:904    
 162:2660    163:770     164:1123    165:1590    166:466     167:1358   
 168:3219    169:868     170:3989    171:497     172:1069    173:2144   
 174:997     175:879     176:2228    177:4063    178:2531    179:1289   
 180:2091    181:2361    182:2674    183:1352    184:1137    185:14506  
 186:3660    187:2485    188:2965    189:2097    190:8264    191:1428   
 192:10011   193:6488    194:5329    195:4049    196:3032    197:1719   
 198:5677    199:5973    200:7407    201:5015    202:10247   203:10233  
 204:4595    205:3021    206:3274    207:3262    208:3937    209:4193   
 210:3890    211:2006    212:3116    213:2828    214:1069    215:52     
 216:5962    217:2189    218:881     219:576     220:1835    221:997    
 222:976     223:1419   

End of report