[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 19 18:13:14 UTC 2015
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, AusNOG, SANOG, PacNOG,
CaribNOG and the RIPE Routing Working Group.
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 20 Jun, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 549882
Prefixes after maximum aggregation (per Origin AS): 208354
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 267650
Total ASes present in the Internet Routing Table: 50672
Prefixes per ASN: 10.85
Origin-only ASes present in the Internet Routing Table: 36714
Origin ASes announcing only one prefix: 16279
Transit ASes present in the Internet Routing Table: 6324
Transit-only ASes present in the Internet Routing Table: 165
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 41
Max AS path prepend of ASN ( 12486) 32
Prefixes from unregistered ASNs in the Routing Table: 1225
Unregistered ASNs in the Routing Table: 426
Number of 32-bit ASNs allocated by the RIRs: 9896
Number of 32-bit ASNs visible in the Routing Table: 7634
Prefixes from 32-bit ASNs in the Routing Table: 28027
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 388
Number of addresses announced to Internet: 2772890656
Equivalent to 165 /8s, 70 /16s and 244 /24s
Percentage of available address space announced: 74.9
Percentage of allocated address space announced: 74.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.4
Total number of prefixes smaller than registry allocations: 184389
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 135535
Total APNIC prefixes after maximum aggregation: 39259
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 142125
Unique aggregates announced from the APNIC address blocks: 57084
APNIC Region origin ASes present in the Internet Routing Table: 5072
APNIC Prefixes per ASN: 28.02
APNIC Region origin ASes announcing only one prefix: 1215
APNIC Region transit ASes present in the Internet Routing Table: 878
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 38
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1502
Number of APNIC addresses announced to Internet: 750709184
Equivalent to 44 /8s, 190 /16s and 233 /24s
Percentage of available APNIC address space announced: 87.7
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, 131072-135580
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: 180493
Total ARIN prefixes after maximum aggregation: 88365
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 182879
Unique aggregates announced from the ARIN address blocks: 85354
ARIN Region origin ASes present in the Internet Routing Table: 16611
ARIN Prefixes per ASN: 11.01
ARIN Region origin ASes announcing only one prefix: 6117
ARIN Region transit ASes present in the Internet Routing Table: 1727
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 483
Number of ARIN addresses announced to Internet: 1093015328
Equivalent to 65 /8s, 38 /16s and 23 /24s
Percentage of available ARIN address space announced: 57.8
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, 393216-395164
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: 133222
Total RIPE prefixes after maximum aggregation: 66199
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 139731
Unique aggregates announced from the RIPE address blocks: 86551
RIPE Region origin ASes present in the Internet Routing Table: 17970
RIPE Prefixes per ASN: 7.78
RIPE Region origin ASes announcing only one prefix: 8133
RIPE Region transit ASes present in the Internet Routing Table: 2983
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3790
Number of RIPE addresses announced to Internet: 694897664
Equivalent to 41 /8s, 107 /16s and 76 /24s
Percentage of available RIPE address space announced: 101.0
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, 196608-204287
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: 60347
Total LACNIC prefixes after maximum aggregation: 11405
LACNIC Deaggregation factor: 5.29
Prefixes being announced from the LACNIC address blocks: 70967
Unique aggregates announced from the LACNIC address blocks: 33075
LACNIC Region origin ASes present in the Internet Routing Table: 2449
LACNIC Prefixes per ASN: 28.98
LACNIC Region origin ASes announcing only one prefix: 618
LACNIC Region transit ASes present in the Internet Routing Table: 506
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 22
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1736
Number of LACNIC addresses announced to Internet: 168145216
Equivalent to 10 /8s, 5 /16s and 177 /24s
Percentage of available LACNIC address space announced: 100.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-265628 + 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: 12002
Total AfriNIC prefixes after maximum aggregation: 3078
AfriNIC Deaggregation factor: 3.90
Prefixes being announced from the AfriNIC address blocks: 13792
Unique aggregates announced from the AfriNIC address blocks: 5236
AfriNIC Region origin ASes present in the Internet Routing Table: 739
AfriNIC Prefixes per ASN: 18.66
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 157
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 123
Number of AfriNIC addresses announced to Internet: 65706496
Equivalent to 3 /8s, 234 /16s and 154 /24s
Percentage of available AfriNIC address space announced: 65.3
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
4766 2949 11560 938 Korea Telecom
17974 2697 904 78 PT Telekomunikasi Indonesia
7545 2597 336 128 TPG Telecom Limited
4755 2026 423 222 TATA Communications formerly
4538 1936 4190 71 China Education and Research
9829 1717 1345 103 National Internet Backbone
9808 1539 8717 28 Guangdong Mobile Communicatio
9583 1471 117 567 Sify Limited
4808 1453 2247 463 CNCGROUP IP network China169
9498 1350 336 106 BHARTI Airtel Ltd.
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
22773 3172 2958 139 Cox Communications Inc.
6389 2792 3688 51 BellSouth.net Inc.
3356 2557 10687 504 Level 3 Communications, Inc.
18566 2050 380 192 MegaPath Corporation
20115 1887 1853 423 Charter Communications
6983 1749 850 244 EarthLink, Inc.
4323 1607 1022 411 tw telecom holdings, inc.
30036 1570 319 440 Mediacom Communications Corp
701 1394 11353 678 MCI Communications Services,
22561 1355 414 250 CenturyTel Internet Holdings,
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
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
34984 2146 305 363 TELLCOM ILETISIM HIZMETLERI A
20940 1945 758 1417 Akamai International B.V.
6849 1210 355 22 JSC "Ukrtelecom"
31148 1048 45 23 Freenet Ltd.
13188 1041 97 71 TOV "Bank-Inform"
8402 1031 544 15 OJSC "Vimpelcom"
12479 947 868 72 France Telecom Espana SA
6830 912 2694 468 Liberty Global Operations B.V
8551 872 376 52 Bezeq International-Ltd
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
10620 3250 532 228 Telmex Colombia S.A.
28573 2276 2170 113 NET Serviços de Comunicação S
8151 1688 3238 469 Uninet S.A. de C.V.
7303 1639 1019 238 Telecom Argentina S.A.
6147 1621 373 44 Telefonica del Peru S.A.A.
6503 1251 421 55 Axtel, S.A.B. de C.V.
26615 1056 2325 35 Tim Celular S.A.
7738 999 1882 41 Telemar Norte Leste S.A.
3816 947 427 159 COLOMBIA TELECOMUNICACIONES S
11830 893 364 15 Instituto Costarricense de El
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 875 280 26 Link Egypt (Link.NET)
8452 801 958 13 TE-AS
36903 510 257 102 Office National des Postes et
36992 423 1229 32 ETISALAT MISR
37492 312 175 71 Orange Tunisie
24835 306 146 13 Vodafone Data
3741 250 857 208 Internet Solutions
29571 241 21 12 Cote d'Ivoire Telecom
36947 189 807 13 Telecom Algeria
37054 180 19 6 Data Telecom Service
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
10620 3250 532 228 Telmex Colombia S.A.
22773 3172 2958 139 Cox Communications Inc.
4766 2949 11560 938 Korea Telecom
6389 2792 3688 51 BellSouth.net Inc.
17974 2697 904 78 PT Telekomunikasi Indonesia
7545 2597 336 128 TPG Telecom Limited
3356 2557 10687 504 Level 3 Communications, Inc.
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2276 2170 113 NET Serviços de Comunicação S
34984 2146 305 363 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3172 3033 Cox Communications Inc.
6389 2792 2741 BellSouth.net Inc.
17974 2697 2619 PT Telekomunikasi Indonesia
7545 2597 2469 TPG Telecom Limited
39891 2472 2466 SaudiNet, Saudi Telecom Compa
28573 2276 2163 NET Serviços de Comunicação S
3356 2557 2053 Level 3 Communications, Inc.
4766 2949 2011 Korea Telecom
4538 1936 1865 China Education and Research
18566 2050 1858 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw
18985 UNALLOCATED 8.21.68.0/22 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
23.226.112.0/20 62788 >>UNKNOWN<<
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
41.73.13.0/24 37004 >>UNKNOWN<<
41.73.15.0/24 37004 >>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 /8:17 /9:13 /10:34 /11:95 /12:264
/13:507 /14:1004 /15:1724 /16:12948 /17:7303 /18:12345
/19:25546 /20:36082 /21:38868 /22:60125 /23:52172 /24:297840
/25:1097 /26:1135 /27:715 /28:14 /29:12 /30:7
/31:0 /32:15
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2374 3172 Cox Communications Inc.
18566 2000 2050 MegaPath Corporation
6389 1640 2792 BellSouth.net Inc.
34984 1401 2146 TELLCOM ILETISIM HIZMETLERI A
6983 1397 1749 EarthLink, Inc.
30036 1396 1570 Mediacom Communications Corp
6147 1174 1621 Telefonica del Peru S.A.A.
10620 1144 3250 Telmex Colombia S.A.
11492 1105 1188 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1496 2:681 4:92 5:1867 6:25 8:1409
11:1 12:1818 13:14 14:1374 15:17 16:2
17:44 18:22 20:48 23:1240 24:1762 27:1923
31:1591 32:38 33:2 34:4 35:3 36:133
37:1984 38:1038 39:6 40:253 41:2669 42:276
43:1330 44:28 45:751 46:2294 47:45 49:901
50:812 52:12 54:77 55:5 56:6 57:41
58:1323 59:715 60:480 61:1745 62:1365 63:1923
64:4475 65:2263 66:4070 67:2076 68:1064 69:3254
70:1024 71:445 72:1978 74:2658 75:339 76:424
77:1296 78:1180 79:787 80:1338 81:1297 82:834
83:722 84:726 85:1409 86:411 87:1042 88:524
89:1848 90:152 91:5995 92:856 93:2238 94:2053
95:2180 96:426 97:355 98:1053 99:51 100:72
101:840 103:7660 104:1821 105:61 106:235 107:990
108:630 109:2065 110:1119 111:1442 112:831 113:1088
114:836 115:1278 116:1386 117:1038 118:1821 119:1458
120:447 121:1089 122:2146 123:1843 124:1516 125:1611
128:644 129:394 130:404 131:1200 132:502 133:177
134:407 135:95 136:332 137:314 138:886 139:153
140:235 141:448 142:668 143:522 144:572 145:118
146:736 147:586 148:1207 149:417 150:564 151:667
152:519 153:245 154:460 155:861 156:417 157:417
158:343 159:1006 160:384 161:663 162:1957 163:436
164:685 165:695 166:312 167:836 168:1314 169:177
170:1461 171:246 172:193 173:1554 174:721 175:694
176:1370 177:3786 178:2156 179:948 180:1948 181:1676
182:1810 183:628 184:755 185:3706 186:2740 187:1791
188:2059 189:1581 190:7788 191:1031 192:8468 193:5619
194:4169 195:3688 196:1980 197:966 198:5550 199:5493
200:6656 201:3259 202:9438 203:9155 204:4701 205:2842
206:3051 207:2967 208:3989 209:3966 210:3532 211:1860
212:2562 213:2365 214:850 215:72 216:5759 217:1801
218:715 219:463 220:1454 221:780 222:477 223:725
End of report
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