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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, IRNOG 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 30 Jun, 2018

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

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

BGP routing table entries examined:                              704428
    Prefixes after maximum aggregation (per Origin AS):          270513
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      338397
Total ASes present in the Internet Routing Table:                 61088
    Prefixes per ASN:                                             11.53
Origin-only ASes present in the Internet Routing Table:           52749
Origin ASes announcing only one prefix:                           23016
Transit ASes present in the Internet Routing Table:                8339
Transit-only ASes present in the Internet Routing Table:            279
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      35
    Max AS path prepend of ASN ( 30873)                              28
Prefixes from unregistered ASNs in the Routing Table:                59
    Number of instances of unregistered ASNs:                        60
Number of 32-bit ASNs allocated by the RIRs:                      23121
Number of 32-bit ASNs visible in the Routing Table:               18629
Prefixes from 32-bit ASNs in the Routing Table:                   77713
Number of bogon 32-bit ASNs visible in the Routing Table:            19
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            256
Number of addresses announced to Internet:                   2858486211
    Equivalent to 170 /8s, 97 /16s and 9 /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:               98.9
Total number of prefixes smaller than registry allocations:      235143

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

Prefixes being announced by APNIC Region ASes:                   192169
    Total APNIC prefixes after maximum aggregation:               54695
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          190813
    Unique aggregates announced from the APNIC address blocks:    78049
APNIC Region origin ASes present in the Internet Routing Table:    8917
    APNIC Prefixes per ASN:                                       21.40
APNIC Region origin ASes announcing only one prefix:               2517
APNIC Region transit ASes present in the Internet Routing Table:   1335
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:   3884
Number of APNIC addresses announced to Internet:              767652354
    Equivalent to 45 /8s, 193 /16s and 114 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-137529
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    209432
    Total ARIN prefixes after maximum aggregation:                99692
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           209864
    Unique aggregates announced from the ARIN address blocks:     99446
ARIN Region origin ASes present in the Internet Routing Table:    18191
    ARIN Prefixes per ASN:                                        11.54
ARIN Region origin ASes announcing only one prefix:                6733
ARIN Region transit ASes present in the Internet Routing Table:    1817
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2370
Number of ARIN addresses announced to Internet:              1102961056
    Equivalent to 65 /8s, 189 /16s and 217 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-397212
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    192778
    Total RIPE prefixes after maximum aggregation:                92071
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           188916
    Unique aggregates announced from the RIPE address blocks:    112121
RIPE Region origin ASes present in the Internet Routing Table:    25232
    RIPE Prefixes per ASN:                                         7.49
RIPE Region origin ASes announcing only one prefix:               11360
RIPE Region transit ASes present in the Internet Routing Table:    3507
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7118
Number of RIPE addresses announced to Internet:               715915648
    Equivalent to 42 /8s, 172 /16s and 1 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-207259
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   91081
    Total LACNIC prefixes after maximum aggregation:              19997
    LACNIC Deaggregation factor:                                   4.55
Prefixes being announced from the LACNIC address blocks:          92503
    Unique aggregates announced from the LACNIC address blocks:   40846
LACNIC Region origin ASes present in the Internet Routing Table:   7275
    LACNIC Prefixes per ASN:                                      12.72
LACNIC Region origin ASes announcing only one prefix:              2021
LACNIC Region transit ASes present in the Internet Routing Table:  1347
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4818
Number of LACNIC addresses announced to Internet:             172429728
    Equivalent to 10 /8s, 71 /16s and 17 /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:                  18908
    Total AfriNIC prefixes after maximum aggregation:              4007
    AfriNIC Deaggregation factor:                                  4.72
Prefixes being announced from the AfriNIC address blocks:         22076
    Unique aggregates announced from the AfriNIC address blocks:   7713
AfriNIC Region origin ASes present in the Internet Routing Table:  1163
    AfriNIC Prefixes per ASN:                                     18.98
AfriNIC Region origin ASes announcing only one prefix:              385
AfriNIC Region transit ASes present in the Internet Routing Table:  232
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  439
Number of AfriNIC addresses announced to Internet:             99088128
    Equivalent to 5 /8s, 231 /16s and 247 /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         5424       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4313        424     442  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2880       1150      79  VIETEL-AS-AP Viettel Group, VN
  4766         2849      11134     761  KIXS-AS-KR Korea Telecom, KR
  9829         2812       1497     543  BSNL-NIB National Internet Backbone, IN
  9394         2539       4907      31  CTTNET China TieTong Telecommunications
 45899         2532       1603     158  VNPT-AS-VN VNPT Corp, VN
 17974         2261        930      70  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2245       8699      26  CMNET-GD Guangdong Mobile Communication
  4755         2108        417     205  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         3415       1324      84  SHAW - Shaw Communications Inc., CA
 22773         3287       2968     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 11492         2365        242     474  CABLEONE - CABLE ONE, INC., US
 16509         2197       4716     708  AMAZON-02 - Amazon.com, Inc., US
 18566         2170        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2107       2573     472  CHARTER-NET-HKY-NC - Charter Communicat
   209         2034       5070     611  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         2000        343     161  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 16625         1953        979    1388  AKAMAI-AS - Akamai Technologies, Inc., 
  7018         1744      20203    1273  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         4417       1604     118  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         2641        377      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2543        627    1874  AKAMAI-ASN1, US
 34984         2017        335     496  TELLCOM-AS, TR
 12389         2013       1877     708  ROSTELECOM-AS, RU
  9121         1894       1692      19  TTNET, TR
 13188         1601        100      43  TRIOLAN, UA
  8402         1247        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         4995       3299     584  Uninet S.A. de C.V., MX
 10620         3565        542     251  Telmex Colombia S.A., CO
 11830         2655        369      78  Instituto Costarricense de Electricidad
  6503         1666        443      60  Axtel, S.A.B. de C.V., MX
  7303         1507       1026     188  Telecom Argentina S.A., AR
 28573         1035       2245     180  CLARO S.A., BR
  3816         1008        505     129  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147          931        377      31  Telefonica del Peru S.A.A., PE
 11172          928        127      86  Alestra, S. de R.L. de C.V., MX
 18881          913       1078      30  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         1153        396      48  LINKdotNET-AS, EG
 37611          878        107       9  Afrihost, ZA
 36903          766        385     138  MT-MPLS, MA
 36992          752       1411      39  ETISALAT-MISR, EG
  8452          633       1730      18  TE-AS TE-AS, EG
 24835          611        818      18  RAYA-AS, EG
 37492          472        470      57  ORANGE-, TN
 29571          453         68      11  ORANGE-COTE-IVOIRE, CI
 37342          386         32       1  MOVITEL, MZ
 15399          374         39       8  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
  4538         5424       4192      74  ERX-CERNET-BKB China Education and Rese
  8151         4995       3299     584  Uninet S.A. de C.V., MX
 12479         4417       1604     118  UNI2-AS, ES
  7545         4313        424     442  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 10620         3565        542     251  Telmex Colombia S.A., CO
  6327         3415       1324      84  SHAW - Shaw Communications Inc., CA
 22773         3287       2968     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7552         2880       1150      79  VIETEL-AS-AP Viettel Group, VN
  4766         2849      11134     761  KIXS-AS-KR Korea Telecom, KR

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

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

  ASN   No of nets  Net Savings  Description
  8151       4995         4411   Uninet S.A. de C.V., MX
 12479       4417         4299   UNI2-AS, ES
  7545       4313         3871   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3415         3331   SHAW - Shaw Communications Inc., CA
 10620       3565         3314   Telmex Colombia S.A., CO
 22773       3287         3140   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       2880         2801   VIETEL-AS-AP Viettel Group, VN
  8551       2641         2598   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830       2655         2577   Instituto Costarricense de Electricidad y Telec

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
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  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
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  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
  65544   DOCUMENT     103.197.121.0/24     65542       UNKNOWN
4259905537   PRIVATE      103.250.48.0/24     132917       YELLOWPAGESGROUP-AS-AP Yellow 

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
27.100.7.0/24        56096    UNKNOWN
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.136.0/24       37500    -Reserved AS-, ZZ
41.76.138.0/24       37500    -Reserved AS-, ZZ
41.76.139.0/24       37500    -Reserved AS-, ZZ
41.76.140.0/22       37500    -Reserved AS-, ZZ
41.76.140.0/24       37500    -Reserved AS-, ZZ
41.76.141.0/24       37500    -Reserved AS-, ZZ
41.76.142.0/24       37500    -Reserved AS-, ZZ
41.76.143.0/24       37500    -Reserved AS-, ZZ

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

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:14       /9:11      /10:37      /11:99      /12:290     
/13:568     /14:1097    /15:1898    /16:13360   /17:7933    /18:13761   
/19:25252   /20:39302   /21:45486   /22:87624   /23:71032   /24:394474  
/25:820     /26:613     /27:628     /28:35      /29:20      /30:18      
/31:4       /32:52      

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

   ASN   No of nets  Total ann.  Description
  6327     3202          3415    SHAW - Shaw Communications Inc., CA
 12479     3160          4417    UNI2-AS, ES
 39891     2946          3778    ALJAWWALSTC-AS, SA
 22773     2549          3287    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2103          2641    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2063          2170    MEGAPATH5-US - MegaPath Corporation, US
 11830     2003          2655    Instituto Costarricense de Electricidad y Telec
 11492     1916          2365    CABLEONE - CABLE ONE, INC., US
 30036     1752          2000    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1612          3565    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)
----------------------------------------------

   1:1578      2:849       4:18        5:2817      6:41        7:1      
   8:1124     12:1874     13:196      14:1748     15:30       16:3      
  17:213      18:54       20:49       23:2625     24:2224     25:2      
  27:2424     31:2022     32:92       35:27       36:494      37:2771   
  38:1460     39:229      40:122      41:3104     42:675      43:1932   
  44:118      45:4832     46:3040     47:201      49:1329     50:1056   
  51:316      52:1067     54:372      55:3        56:12       57:39     
  58:1622     59:1000     60:389      61:2102     62:1858     63:1803   
  64:5066     65:2208     66:4663     67:2438     68:1168     69:3239   
  70:1158     71:567      72:2112     74:2716     75:422      76:457    
  77:1553     78:1712     79:1693     80:1510     81:1381     82:1069   
  83:789      84:1065     85:2012     86:569      87:1307     88:928    
  89:2343     90:212      91:6387     92:1211     93:2375     94:2389   
  95:2880     96:731      97:357      98:947      99:133     100:83     
 101:1232    102:105     103:18036   104:3569    105:213     106:655    
 107:1780    108:695     109:3396    110:1606    111:1776    112:1283   
 113:1270    114:1124    115:1661    116:1640    117:1755    118:2160   
 119:1675    120:992     121:1054    122:2470    123:1778    124:1440   
 125:1922    128:1080    129:672     130:458     131:1610    132:690    
 133:195     134:1016    135:224     136:500     137:562     138:1984   
 139:649     140:453     141:724     142:801     143:980     144:800    
 145:481     146:1196    147:721     148:1629    149:760     150:735    
 151:1095    152:793     153:317     154:1213    155:765     156:1120   
 157:789     158:653     159:1739    160:1168    161:789     162:2589   
 163:595     164:1064    165:1492    166:449     167:1314    168:3058   
 169:815     170:3783    171:461     172:1077    173:2007    174:908    
 175:776     176:1982    177:4050    178:2534    179:1216    180:2191   
 181:2304    182:2370    183:1193    184:1029    185:13715   186:3599   
 187:2347    188:2852    189:2114    190:8122    191:1405    192:9829   
 193:5985    194:4858    195:3978    196:2602    197:1574    198:5545   
 199:5918    200:7332    201:5006    202:10459   203:10120   204:4581   
 205:2898    206:3108    207:3187    208:3982    209:3974    210:4047   
 211:2106    212:3000    213:2768    214:983     215:57      216:5984   
 217:2122    218:896     219:634     220:1773    221:983     222:1022   
 223:1297   

End of report