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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 08 Dec, 2018

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

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

BGP routing table entries examined:                              728472
    Prefixes after maximum aggregation (per Origin AS):          280445
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      350812
Total ASes present in the Internet Routing Table:                 62662
    Prefixes per ASN:                                             11.63
Origin-only ASes present in the Internet Routing Table:           54096
Origin ASes announcing only one prefix:                           23510
Transit ASes present in the Internet Routing Table:                8566
Transit-only ASes present in the Internet Routing Table:            254
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      40
    Max AS path prepend of ASN ( 22394)                              37
Prefixes from unregistered ASNs in the Routing Table:                35
    Number of instances of unregistered ASNs:                        35
Number of 32-bit ASNs allocated by the RIRs:                      25157
Number of 32-bit ASNs visible in the Routing Table:               20374
Prefixes from 32-bit ASNs in the Routing Table:                   87547
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:            263
Number of addresses announced to Internet:                   2837329313
    Equivalent to 169 /8s, 30 /16s and 53 /24s
    Percentage of available address space announced:               76.6
    Percentage of allocated address space announced:               76.6
    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:      242825

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

Prefixes being announced by APNIC Region ASes:                   199092
    Total APNIC prefixes after maximum aggregation:               56746
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          196299
    Unique aggregates announced from the APNIC address blocks:    80768
APNIC Region origin ASes present in the Internet Routing Table:    9281
    APNIC Prefixes per ASN:                                       21.15
APNIC Region origin ASes announcing only one prefix:               2609
APNIC Region transit ASes present in the Internet Routing Table:   1383
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:   4278
Number of APNIC addresses announced to Internet:              768663936
    Equivalent to 45 /8s, 208 /16s and 225 /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:                    215940
    Total ARIN prefixes after maximum aggregation:               102700
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           215304
    Unique aggregates announced from the ARIN address blocks:    103246
ARIN Region origin ASes present in the Internet Routing Table:    18310
    ARIN Prefixes per ASN:                                        11.76
ARIN Region origin ASes announcing only one prefix:                6799
ARIN Region transit ASes present in the Internet Routing Table:    1826
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          40
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2516
Number of ARIN addresses announced to Internet:              1076960160
    Equivalent to 64 /8s, 49 /16s and 27 /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:                    198612
    Total RIPE prefixes after maximum aggregation:                94905
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           195001
    Unique aggregates announced from the RIPE address blocks:    115616
RIPE Region origin ASes present in the Internet Routing Table:    25689
    RIPE Prefixes per ASN:                                         7.59
RIPE Region origin ASes announcing only one prefix:               11494
RIPE Region transit ASes present in the Internet Routing Table:    3536
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7657
Number of RIPE addresses announced to Internet:               715823744
    Equivalent to 42 /8s, 170 /16s and 154 /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:                   94668
    Total LACNIC prefixes after maximum aggregation:              21863
    LACNIC Deaggregation factor:                                   4.33
Prefixes being announced from the LACNIC address blocks:          96052
    Unique aggregates announced from the LACNIC address blocks:   41908
LACNIC Region origin ASes present in the Internet Routing Table:   7874
    LACNIC Prefixes per ASN:                                      12.20
LACNIC Region origin ASes announcing only one prefix:              2187
LACNIC Region transit ASes present in the Internet Routing Table:  1486
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5421
Number of LACNIC addresses announced to Internet:             172834560
    Equivalent to 10 /8s, 77 /16s and 63 /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:                  20124
    Total AfriNIC prefixes after maximum aggregation:              4201
    AfriNIC Deaggregation factor:                                  4.79
Prefixes being announced from the AfriNIC address blocks:         25553
    Unique aggregates announced from the AfriNIC address blocks:   9028
AfriNIC Region origin ASes present in the Internet Routing Table:  1231
    AfriNIC Prefixes per ASN:                                     20.76
AfriNIC Region origin ASes announcing only one prefix:              421
AfriNIC Region transit ASes present in the Internet Routing Table:  240
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  502
Number of AfriNIC addresses announced to Internet:            102644992
    Equivalent to 6 /8s, 30 /16s and 61 /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         4636       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4634        515     519  TPG-INTERNET-AP TPG Telecom Limited, AU
 45899         2991       1716     113  VNPT-AS-VN VNPT Corp, VN
  7552         2943       1150      88  VIETEL-AS-AP Viettel Group, VN
  4766         2823      11130     771  KIXS-AS-KR Korea Telecom, KR
  9829         2748       1496     551  BSNL-NIB National Internet Backbone, IN
  9808         2451       8699      26  CMNET-GD Guangdong Mobile Communication
  9394         2390       4907      31  CTTNET China TieTong Telecommunications
 17974         2262        970      54  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4755         2143        438     176  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         3507       1326      91  SHAW - Shaw Communications Inc., CA
 11492         3478        224     616  CABLEONE - CABLE ONE, INC., US
 22773         3302       2980     175  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2608       5246     967  AMAZON-02 - Amazon.com, Inc., US
 16625         2166       1211    1668  AKAMAI-AS - Akamai Technologies, Inc., 
 18566         2149        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2145       2748     534  CHARTER-20115 - Charter Communications,
  5650         2087       3074    1462  FRONTIER-FRTR - Frontier Communications
 30036         2084        349     133  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         2055       5080     597  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         5192       1618     134  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3032        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2588        563    1909  AKAMAI-ASN1, US
 12389         2218       2220     622  ROSTELECOM-AS, RU
 34984         2045        337     535  TELLCOM-AS, TR
  9121         1820       1691      17  TTNET, TR
 13188         1603        100      42  TRIOLAN, UA
  8402         1294        544      17  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1218        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         5455       3317     598  Uninet S.A. de C.V., MX
 10620         3132        476     892  Telmex Colombia S.A., CO
 11830         2678        371      71  Instituto Costarricense de Electricidad
  6503         1662        449      54  Axtel, S.A.B. de C.V., MX
  7303         1438        961     220  Telecom Argentina S.A., AR
 28573         1187       2241     179  CLARO S.A., BR
  6147         1121        377      29  Telefonica del Peru S.A.A., PE
  3816         1022        510     114  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          943        145      69  Alestra, S. de R.L. de C.V., MX
 13999          925        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         1169        394      29  LINKdotNET-AS, EG
 37611          908        107       9  Afrihost, ZA
 36903          796        400     142  MT-MPLS, MA
 36992          786       1411      44  ETISALAT-MISR, EG
 24835          683        632      20  RAYA-AS, EG
  8452          648       1728      15  TE-AS TE-AS, EG
 29571          474         70      12  ORANGE-COTE-IVOIRE, CI
 37492          459        470      57  ORANGE-, TN
 37342          421         32       1  MOVITEL, MZ
 15399          411         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         5455       3317     598  Uninet S.A. de C.V., MX
 12479         5192       1618     134  UNI2-AS, ES
  4538         4636       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4634        515     519  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  6327         3507       1326      91  SHAW - Shaw Communications Inc., CA
 11492         3478        224     616  CABLEONE - CABLE ONE, INC., US
 22773         3302       2980     175  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3132        476     892  Telmex Colombia S.A., CO
  8551         3032        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       5192         5058   UNI2-AS, ES
  4538       4636         4562   ERX-CERNET-BKB China Education and Research Net
  7545       4634         4115   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3507         3416   SHAW - Shaw Communications Inc., CA
 22773       3302         3127   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3032         2989   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 45899       2991         2878   VNPT-AS-VN VNPT Corp, VN
 11492       3478         2862   CABLEONE - CABLE ONE, INC., US
  7552       2943         2855   VIETEL-AS-AP Viettel Group, 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
  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
  65599   UNALLOCATED  103.14.27.0/24      134813       CYBERCOMM-BD Cyber Communicati
  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
41.76.136.0/22       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
43.255.80.0/24       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

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     /14:1124    /15:1906    /16:13330   /17:7878    /18:13854   
/19:25502   /20:39505   /21:46000   /22:90714   /23:74199   /24:411203  
/25:819     /26:652     /27:631     /28:39      /29:20      /30:21      
/31:4       /32:54      

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

   ASN   No of nets  Total ann.  Description
 12479     4036          5192    UNI2-AS, ES
  6327     3270          3507    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2765          3478    CABLEONE - CABLE ONE, INC., US
 22773     2542          3302    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2488          3032    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2044          2149    MEGAPATH5-US - MegaPath Corporation, US
 11830     2023          2678    Instituto Costarricense de Electricidad y Telec
 30036     1833          2084    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)
----------------------------------------------

   1:1629      2:887       4:18        5:2719      6:43        7:1      
   8:1151     12:1875     13:300      14:1878     15:35       16:3      
  17:204      18:59       20:48       23:2537     24:2413     25:2      
  27:2539     31:2011     32:91       35:31       36:533      37:2967   
  38:1592     39:274      40:119      41:3156     42:730      43:1987   
  44:138      45:6303     46:3029     47:243      49:1323     50:1075   
  51:318      52:1104     54:362      55:1        56:6        57:41     
  58:1709     59:1074     60:462      61:2120     62:1946     63:1802   
  64:5067     65:2181     66:4780     67:2652     68:1155     69:3410   
  70:1148     71:602      72:2254     74:2714     75:400      76:527    
  77:1707     78:1744     79:2204     80:1610     81:1415     82:1041   
  83:823      84:1061     85:2144     86:555      87:1494     88:938    
  89:2420     90:211      91:6491     92:1261     93:2340     94:2385   
  95:3086     96:911      97:348      98:942      99:167     100:88     
 101:1160    102:315     103:19435   104:3554    105:243     106:899    
 107:1832    108:706     109:3442    110:1632    111:1832    112:1406   
 113:1333    114:1148    115:1709    116:1620    117:1892    118:2214   
 119:1691    120:1123    121:1022    122:2373    123:1650    124:1443   
 125:1954    128:1206    129:692     130:519     131:1643    132:712    
 133:193     134:1041    135:230     136:534     137:672     138:1940   
 139:764     140:568     141:759     142:799     143:1023    144:848    
 145:503     146:1246    147:774     148:1699    149:775     150:797    
 151:994     152:920     153:328     154:2235    155:971     156:1628   
 157:848     158:673     159:1896    160:1484    161:893     162:2649   
 163:765     164:1122    165:1595    166:455     167:1344    168:3154   
 169:869     170:4023    171:499     172:1061    173:2124    174:988    
 175:878     176:2204    177:4062    178:2521    179:1306    180:2091   
 181:2368    182:2618    183:1332    184:1149    185:14377   186:3656   
 187:2531    188:2983    189:2087    190:8309    191:1418    192:9946   
 193:6423    194:5281    195:4035    196:2974    197:1762    198:5684   
 199:5977    200:7450    201:5020    202:10208   203:10233   204:4623   
 205:3012    206:3273    207:3254    208:3937    209:4188    210:3901   
 211:2026    212:3085    213:2802    214:1069    215:53      216:6019   
 217:2186    218:871     219:579     220:1832    221:995     222:961    
 223:1407   

End of report