[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 20 18:26:13 UTC 2010
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, LacNOG,
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.apnic.net.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 21 Aug, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 328585
Prefixes after maximum aggregation: 151394
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 161190
Total ASes present in the Internet Routing Table: 34625
Prefixes per ASN: 9.49
Origin-only ASes present in the Internet Routing Table: 30038
Origin ASes announcing only one prefix: 14583
Transit ASes present in the Internet Routing Table: 4587
Transit-only ASes present in the Internet Routing Table: 105
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 1213
Unregistered ASNs in the Routing Table: 618
Number of 32-bit ASNs allocated by the RIRs: 740
Prefixes from 32-bit ASNs in the Routing Table: 925
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 170
Number of addresses announced to Internet: 2258724928
Equivalent to 134 /8s, 161 /16s and 104 /24s
Percentage of available address space announced: 60.9
Percentage of allocated address space announced: 65.1
Percentage of available address space allocated: 93.7
Percentage of address space in use by end-sites: 84.4
Total number of prefixes smaller than registry allocations: 155755
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 80054
Total APNIC prefixes after maximum aggregation: 27467
APNIC Deaggregation factor: 2.91
Prefixes being announced from the APNIC address blocks: 76989
Unique aggregates announced from the APNIC address blocks: 33885
APNIC Region origin ASes present in the Internet Routing Table: 4163
APNIC Prefixes per ASN: 18.49
APNIC Region origin ASes announcing only one prefix: 1166
APNIC Region transit ASes present in the Internet Routing Table: 641
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 541568800
Equivalent to 32 /8s, 71 /16s and 175 /24s
Percentage of available APNIC address space announced: 76.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 49/8, 58/8, 59/8,
60/8, 61/8, 101/8, 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,
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: 135154
Total ARIN prefixes after maximum aggregation: 69850
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 107936
Unique aggregates announced from the ARIN address blocks: 42495
ARIN Region origin ASes present in the Internet Routing Table: 13862
ARIN Prefixes per ASN: 7.79
ARIN Region origin ASes announcing only one prefix: 5313
ARIN Region transit ASes present in the Internet Routing Table: 1369
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 731597472
Equivalent to 43 /8s, 155 /16s and 74 /24s
Percentage of available ARIN address space announced: 62.3
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, 393216-394239
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, 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, 54/8,
55/8, 56/8, 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, 107/8,
108/8, 173/8, 174/8, 184/8, 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: 75066
Total RIPE prefixes after maximum aggregation: 43881
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 68498
Unique aggregates announced from the RIPE address blocks: 45003
RIPE Region origin ASes present in the Internet Routing Table: 14701
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 7570
RIPE Region transit ASes present in the Internet Routing Table: 2202
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 436120704
Equivalent to 25 /8s, 254 /16s and 172 /24s
Percentage of available RIPE address space announced: 76.5
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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 31/8, 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, 176/8, 178/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 29723
Total LACNIC prefixes after maximum aggregation: 7064
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 28237
Unique aggregates announced from the LACNIC address blocks: 15039
LACNIC Region origin ASes present in the Internet Routing Table: 1332
LACNIC Prefixes per ASN: 21.20
LACNIC Region origin ASes announcing only one prefix: 410
LACNIC Region transit ASes present in the Internet Routing Table: 239
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 76854656
Equivalent to 4 /8s, 148 /16s and 181 /24s
Percentage of available LACNIC address space announced: 57.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 7417
Total AfriNIC prefixes after maximum aggregation: 1893
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 5736
Unique aggregates announced from the AfriNIC address blocks: 1684
AfriNIC Region origin ASes present in the Internet Routing Table: 395
AfriNIC Prefixes per ASN: 14.52
AfriNIC Region origin ASes announcing only one prefix: 124
AfriNIC Region transit ASes present in the Internet Routing Table: 88
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 20171264
Equivalent to 1 /8s, 51 /16s and 202 /24s
Percentage of available AfriNIC address space announced: 60.1
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1864 8412 498 Korea Telecom (KIX)
4755 1477 298 162 TATA Communications formerly
7545 1380 234 86 TPG Internet Pty Ltd
17488 1341 151 131 Hathway IP Over Cable Interne
17974 1217 293 76 PT TELEKOMUNIKASI INDONESIA
9583 1010 75 494 Sify Limited
24560 996 303 179 Bharti Airtel Ltd., Telemedia
4808 898 1671 245 CNCGROUP IP network: China169
9829 819 689 35 BSNL National Internet Backbo
4134 796 22476 419 CHINANET-BACKBONE
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3850 3684 276 bellsouth.net, inc.
4323 2710 1116 395 Time Warner Telecom
19262 1800 4623 274 Verizon Global Networks
1785 1790 698 131 PaeTec Communications, Inc.
20115 1490 1527 653 Charter Communications
7018 1482 5736 956 AT&T WorldNet Services
6478 1301 272 125 AT&T Worldnet Services
2386 1287 554 909 AT&T Data Communications Serv
11492 1243 214 117 Cable One
22773 1177 2858 61 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 449 2026 390 TDC Tele Danmark
30890 443 99 211 Evolva Telecom
702 413 1870 326 UUNET - Commercial IP service
8866 403 117 18 Bulgarian Telecommunication C
8551 401 353 46 Bezeq International
3320 377 7329 326 Deutsche Telekom AG
3301 374 1416 329 TeliaNet Sweden
34984 367 89 182 BILISIM TELEKOM
12479 353 576 5 Uni2 Autonomous System
3215 321 3202 93 France Telecom Transpac
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1528 3049 247 UniNet S.A. de C.V.
10620 1093 244 150 TVCABLE BOGOTA
28573 1071 834 110 NET Servicos de Comunicao S.A
6503 811 187 263 AVANTEL, S.A.
7303 791 408 101 Telecom Argentina Stet-France
14420 552 35 78 CORPORACION NACIONAL DE TELEC
22047 549 310 15 VTR PUNTO NET S.A.
7738 477 922 30 Telecomunicacoes da Bahia S.A
3816 476 209 99 Empresa Nacional de Telecomun
11172 447 99 76 Servicios Alestra S.A de C.V
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1163 445 10 TEDATA
24863 728 147 39 LINKdotNET AS number
36992 657 279 183 Etisalat MISR
3741 270 898 232 The Internet Solution
33776 209 12 12 Starcomms Nigeria Limited
2018 197 277 64 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
24835 193 78 9 RAYA Telecom - Egypt
29571 193 19 11 Ci Telecom Autonomous system
16637 149 440 95 MTN Network Solutions
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3850 3684 276 bellsouth.net, inc.
4323 2710 1116 395 Time Warner Telecom
4766 1864 8412 498 Korea Telecom (KIX)
19262 1800 4623 274 Verizon Global Networks
1785 1790 698 131 PaeTec Communications, Inc.
8151 1528 3049 247 UniNet S.A. de C.V.
20115 1490 1527 653 Charter Communications
7018 1482 5736 956 AT&T WorldNet Services
4755 1477 298 162 TATA Communications formerly
7545 1380 234 86 TPG Internet Pty Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2710 2315 Time Warner Telecom
1785 1790 1659 PaeTec Communications, Inc.
19262 1800 1526 Verizon Global Networks
4766 1864 1366 Korea Telecom (KIX)
4755 1477 1315 TATA Communications formerly
7545 1380 1294 TPG Internet Pty Ltd
8151 1528 1281 UniNet S.A. de C.V.
17488 1341 1210 Hathway IP Over Cable Interne
6478 1301 1176 AT&T Worldnet Services
8452 1163 1153 TEDATA
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16734 UNALLOCATED 8.18.204.0/24 26914 Global Netoptex, Inc
22015 UNALLOCATED 8.22.137.0/24 14989 Broadview Networks
46856 UNALLOCATED 8.22.184.0/22 3561 Savvis
26169 UNALLOCATED 8.225.177.0/24 20225 TelJet
32249 UNALLOCATED 8.225.178.0/24 3356 Level 3 Communicatio
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
23054 UNALLOCATED 12.18.240.0/24 7018 AT&T WorldNet Servic
33198 UNALLOCATED 12.19.149.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
31.0.0.0/16 12654 RIPE NCC RIS Project
31.1.0.0/21 12654 RIPE NCC RIS Project
31.1.24.0/24 12654 RIPE NCC RIS Project
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.189.0/24 6453 Teleglobe Inc.
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 36990 Alkan Telecom Ltd
41.223.198.0/24 36990 Alkan Telecom Ltd
41.223.199.0/24 36990 Alkan Telecom Ltd
Complete listing at http://thyme.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 /8:19 /9:10 /10:25 /11:67 /12:198
/13:413 /14:722 /15:1311 /16:11218 /17:5411 /18:9272
/19:18562 /20:23351 /21:23365 /22:30395 /23:29879 /24:171207
/25:1056 /26:1192 /27:734 /28:118 /29:47 /30:6
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2463 3850 bellsouth.net, inc.
4766 1487 1864 Korea Telecom (KIX)
4323 1373 2710 Time Warner Telecom
1785 1253 1790 PaeTec Communications, Inc.
11492 1086 1243 Cable One
17488 1084 1341 Hathway IP Over Cable Interne
18566 1068 1087 Covad Communications
8452 1052 1163 TEDATA
10620 1006 1093 TVCABLE BOGOTA
24560 895 996 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:55 2:2 4:13 8:299 12:2009 13:7
14:1 15:21 16:3 17:9 20:6 24:1430
27:297 31:1 32:61 33:22 38:698 40:97
41:2518 44:3 46:26 47:16 52:12 55:7
56:2 57:29 58:800 59:506 60:460 61:1075
62:1063 63:1968 64:3733 65:2309 66:4010 67:1823
68:1105 69:2771 70:745 71:357 72:1941 73:2
74:2318 75:263 76:327 77:889 78:618 79:438
80:1017 81:798 82:504 83:490 84:691 85:1047
86:473 87:692 88:307 89:1519 90:99 91:2974
92:417 93:1005 94:1176 95:679 96:521 97:216
98:612 99:34 108:64 109:635 110:449 111:542
112:277 113:312 114:447 115:574 116:1095 117:658
118:491 119:888 120:140 121:716 122:1532 123:945
124:1125 125:1246 128:227 129:164 130:201 131:539
132:247 133:16 134:195 135:45 136:237 137:135
138:270 139:105 140:474 141:197 142:342 143:374
144:472 145:52 146:413 147:172 148:677 149:303
150:153 151:228 152:299 153:169 154:3 155:361
156:166 157:328 158:118 159:361 160:316 161:183
162:255 163:168 164:414 165:367 166:457 167:413
168:652 169:159 170:718 171:60 172:2 173:981
174:511 175:154 176:1 177:1 178:406 180:586
181:1 182:169 183:238 184:210 186:565 187:423
188:796 189:759 190:3959 192:5761 193:4741 194:3418
195:2780 196:1186 198:3570 199:3575 200:5399 201:1586
202:8034 203:8262 204:4015 205:2393 206:2486 207:3063
208:3889 209:3466 210:2562 211:1315 212:1765 213:1682
214:658 215:67 216:4693 217:1556 218:502 219:379
220:1142 221:404 222:316 223:3
End of report
More information about the afnog
mailing list