Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Aug 17 18:03:36 UTC 2018


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

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

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

Routing Table Report   04:00 +10GMT Sat 18 Aug, 2018

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

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

BGP routing table entries examined:                              710936
    Prefixes after maximum aggregation (per Origin AS):          273073
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      341471
Total ASes present in the Internet Routing Table:                 61560
    Prefixes per ASN:                                             11.55
Origin-only ASes present in the Internet Routing Table:           53145
Origin ASes announcing only one prefix:                           23145
Transit ASes present in the Internet Routing Table:                8415
Transit-only ASes present in the Internet Routing Table:            265
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      34
    Max AS path prepend of ASN ( 30873)                              32
Prefixes from unregistered ASNs in the Routing Table:                64
    Number of instances of unregistered ASNs:                        64
Number of 32-bit ASNs allocated by the RIRs:                      23718
Number of 32-bit ASNs visible in the Routing Table:               19114
Prefixes from 32-bit ASNs in the Routing Table:                   80241
Number of bogon 32-bit ASNs visible in the Routing Table:            79
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            273
Number of addresses announced to Internet:                   2857353028
    Equivalent to 170 /8s, 79 /16s and 191 /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:               99.0
Total number of prefixes smaller than registry allocations:      237374

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

Prefixes being announced by APNIC Region ASes:                   193698
    Total APNIC prefixes after maximum aggregation:               55273
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          191862
    Unique aggregates announced from the APNIC address blocks:    79147
APNIC Region origin ASes present in the Internet Routing Table:    9007
    APNIC Prefixes per ASN:                                       21.30
APNIC Region origin ASes announcing only one prefix:               2525
APNIC Region transit ASes present in the Internet Routing Table:   1346
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3968
Number of APNIC addresses announced to Internet:              767572739
    Equivalent to 45 /8s, 192 /16s and 59 /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:                    211280
    Total ARIN prefixes after maximum aggregation:               100125
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           211152
    Unique aggregates announced from the ARIN address blocks:    100055
ARIN Region origin ASes present in the Internet Routing Table:    18222
    ARIN Prefixes per ASN:                                        11.59
ARIN Region origin ASes announcing only one prefix:                6755
ARIN Region transit ASes present in the Internet Routing Table:    1805
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2404
Number of ARIN addresses announced to Internet:              1103306912
    Equivalent to 65 /8s, 195 /16s and 32 /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:                    194600
    Total RIPE prefixes after maximum aggregation:                92972
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           190927
    Unique aggregates announced from the RIPE address blocks:    113250
RIPE Region origin ASes present in the Internet Routing Table:    25424
    RIPE Prefixes per ASN:                                         7.51
RIPE Region origin ASes announcing only one prefix:               11458
RIPE Region transit ASes present in the Internet Routing Table:    3531
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7311
Number of RIPE addresses announced to Internet:               713978496
    Equivalent to 42 /8s, 142 /16s and 114 /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:                   91962
    Total LACNIC prefixes after maximum aggregation:              20542
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:          93397
    Unique aggregates announced from the LACNIC address blocks:   40757
LACNIC Region origin ASes present in the Internet Routing Table:   7426
    LACNIC Prefixes per ASN:                                      12.58
LACNIC Region origin ASes announcing only one prefix:              2016
LACNIC Region transit ASes present in the Internet Routing Table:  1397
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4971
Number of LACNIC addresses announced to Internet:             171888672
    Equivalent to 10 /8s, 62 /16s and 208 /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:                  19331
    Total AfriNIC prefixes after maximum aggregation:              4104
    AfriNIC Deaggregation factor:                                  4.71
Prefixes being announced from the AfriNIC address blocks:         23325
    Unique aggregates announced from the AfriNIC address blocks:   8018
AfriNIC Region origin ASes present in the Internet Routing Table:  1187
    AfriNIC Prefixes per ASN:                                     19.65
AfriNIC Region origin ASes announcing only one prefix:              391
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:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  460
Number of AfriNIC addresses announced to Internet:            100161536
    Equivalent to 5 /8s, 248 /16s and 88 /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         4684       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4414        477     468  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2968       1150      82  VIETEL-AS-AP Viettel Group, VN
  4766         2840      11134     766  KIXS-AS-KR Korea Telecom, KR
  9829         2812       1497     543  BSNL-NIB National Internet Backbone, IN
 45899         2578       1638     157  VNPT-AS-VN VNPT Corp, VN
  9394         2544       4907      32  CTTNET China TieTong Telecommunications
 17974         2262        962      71  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2249       8699      26  CMNET-GD Guangdong Mobile Communication
  4755         2117        417     204  TATACOMM-AS TATA Communications formerl

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

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

   ASN   No of nets  /20 equiv  MaxAgg  Description
  6327         3442       1324      82  SHAW - Shaw Communications Inc., CA
 22773         3235       2968     149  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 11492         3041        256     408  CABLEONE - CABLE ONE, INC., US
 16509         2258       4807     767  AMAZON-02 - Amazon.com, Inc., US
 18566         2166        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2125       2640     488  CHARTER-NET-HKY-NC - Charter Communicat
 30036         2022        344     144  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         2016       5085     604  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16625         2012       1035    1454  AKAMAI-AS - Akamai Technologies, Inc., 
  7018         1765      20206    1280  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         4691       1613     124  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         2804        378      44  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2541        621    1889  AKAMAI-ASN1, US
 12389         2041       1891     731  ROSTELECOM-AS, RU
 34984         2013        335     506  TELLCOM-AS, TR
  9121         1824       1692      19  TTNET, TR
 13188         1604        100      43  TRIOLAN, UA
  8402         1194        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1177        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         5196       3349     607  Uninet S.A. de C.V., MX
 10620         3488        532     453  Telmex Colombia S.A., CO
 11830         2657        369      78  Instituto Costarricense de Electricidad
  6503         1665        444      63  Axtel, S.A.B. de C.V., MX
  7303         1429        952     205  Telecom Argentina S.A., AR
 28573         1085       2229     181  CLARO S.A., BR
  3816         1021        508     129  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147          933        377      31  Telefonica del Peru S.A.A., PE
 18881          915       1080      32  TELEFÔNICA BRASIL S.A, BR
 13999          878        522     248  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         1184        396      48  LINKdotNET-AS, EG
 37611          893        107       9  Afrihost, ZA
 36903          778        391     137  MT-MPLS, MA
 36992          743       1411      40  ETISALAT-MISR, EG
 24835          641        818      18  RAYA-AS, EG
  8452          593       1728      14  TE-AS TE-AS, EG
 37492          474        470      57  ORANGE-, TN
 29571          460         68      12  ORANGE-COTE-IVOIRE, CI
 37342          386         32       1  MOVITEL, MZ
 23889          379        231      15  MauritiusTelecom, MU

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

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

   ASN   No of nets  /20 equiv  MaxAgg  Description
  8151         5196       3349     607  Uninet S.A. de C.V., MX
 12479         4691       1613     124  UNI2-AS, ES
  4538         4684       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4414        477     468  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 10620         3488        532     453  Telmex Colombia S.A., CO
  6327         3442       1324      82  SHAW - Shaw Communications Inc., CA
 22773         3235       2968     149  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 11492         3041        256     408  CABLEONE - CABLE ONE, INC., US
  7552         2968       1150      82  VIETEL-AS-AP Viettel Group, VN

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

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

  ASN   No of nets  Net Savings  Description
  4538       4684         4610   ERX-CERNET-BKB China Education and Research Net
 12479       4691         4567   UNI2-AS, ES
  7545       4414         3946   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3442         3360   SHAW - Shaw Communications Inc., CA
 22773       3235         3086   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 10620       3488         3035   Telmex Colombia S.A., CO
  7552       2968         2886   VIETEL-AS-AP Viettel Group, VN
  8551       2804         2760   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492       3041         2633   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
  64500   DOCUMENT     45.43.56.0/24       135391       AOFEI-HK AOFEI DATA INTERNATIO
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  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
  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
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
41.78.92.0/22        14988    BTC-GATE1, BW
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
45.121.32.0/22      134356    UNKNOWN

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

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

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:14       /9:11      /10:36      /11:99      /12:291     
/13:570     /14:1096    /15:1899    /16:13380   /17:7929    /18:13805   
/19:25371   /20:39332   /21:45624   /22:88177   /23:71681   /24:399464  
/25:800     /26:603     /27:624     /28:35      /29:20      /30:19      
/31:4       /32:52      

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

   ASN   No of nets  Total ann.  Description
 12479     3440          4691    UNI2-AS, ES
  6327     3231          3442    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 22773     2501          3235    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 11492     2413          3041    CABLEONE - CABLE ONE, INC., US
  8551     2266          2804    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2060          2166    MEGAPATH5-US - MegaPath Corporation, US
 11830     2005          2657    Instituto Costarricense de Electricidad y Telec
 30036     1774          2022    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1579          3488    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)
----------------------------------------------

   1:1617      2:823       4:19        5:2843      6:43        7:1      
   8:1126     12:1864     13:211      14:1799     15:32       16:3      
  17:194      18:54       20:50       23:2478     24:2239     25:2      
  27:2480     31:2029     32:88       35:29       36:522      37:2891   
  38:1494     39:254      40:118      41:3168     42:698      43:1965   
  44:121      45:5346     46:3110     47:198      49:1340     50:1054   
  51:318      52:1077     54:368      55:1        56:12       57:39     
  58:1627     59:991      60:402      61:2118     62:1860     63:1789   
  64:5075     65:2211     66:4722     67:2587     68:1161     69:3299   
  70:1157     71:582      72:2169     74:2723     75:419      76:463    
  77:1629     78:1688     79:2131     80:1566     81:1379     82:1051   
  83:783      84:1033     85:1999     86:566      87:1369     88:909    
  89:2353     90:215      91:6437     92:1269     93:2379     94:2395   
  95:2953     96:893      97:356      98:934      99:133     100:85     
 101:992     102:173     103:18381   104:3565    105:214     106:770    
 107:1783    108:711     109:3158    110:1642    111:1796    112:1337   
 113:1301    114:1130    115:1642    116:1646    117:1715    118:2221   
 119:1670    120:1015    121:1050    122:2418    123:1725    124:1445   
 125:1916    128:1118    129:680     130:496     131:1631    132:730    
 133:190     134:1024    135:225     136:504     137:646     138:1950   
 139:673     140:473     141:734     142:815     143:1013    144:812    
 145:483     146:1219    147:728     148:1641    149:758     150:751    
 151:1101    152:827     153:323     154:1493    155:802     156:1452   
 157:798     158:655     159:1820    160:1306    161:808     162:2622   
 163:606     164:1083    165:1539    166:462     167:1294    168:3147   
 169:833     170:3827    171:493     172:1005    173:2056    174:947    
 175:786     176:1999    177:4033    178:2506    179:1272    180:2180   
 181:2420    182:2559    183:1237    184:1046    185:13971   186:3563   
 187:2420    188:2928    189:2029    190:8166    191:1358    192:9828   
 193:6111    194:5006    195:3985    196:2685    197:1614    198:5578   
 199:5917    200:7369    201:4974    202:10286   203:10276   204:4583   
 205:2900    206:3162    207:3208    208:3936    209:4023    210:3878   
 211:1998    212:3040    213:2823    214:1036    215:55      216:6041   
 217:2117    218:859     219:568     220:1805    221:995     222:971    
 223:1377   

End of report


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