[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 15 18:08:24 UTC 2008
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
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 16 Aug, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 266031
Prefixes after maximum aggregation: 129676
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129417
Total ASes present in the Internet Routing Table: 28943
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25197
Origin ASes announcing only one prefix: 12205
Transit ASes present in the Internet Routing Table: 3746
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 581
Unregistered ASNs in the Routing Table: 214
Number of 32-bit ASNs allocated by the RIRs: 57
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 814
Number of addresses announced to Internet: 1891631072
Equivalent to 112 /8s, 191 /16s and 255 /24s
Percentage of available address space announced: 51.0
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.2
Total number of prefixes smaller than registry allocations: 130342
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61134
Total APNIC prefixes after maximum aggregation: 22712
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 58105
Unique aggregates announced from the APNIC address blocks: 26152
APNIC Region origin ASes present in the Internet Routing Table: 3328
APNIC Prefixes per ASN: 17.46
APNIC Region origin ASes announcing only one prefix: 878
APNIC Region transit ASes present in the Internet Routing Table: 514
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 371611424
Equivalent to 22 /8s, 38 /16s and 87 /24s
Percentage of available APNIC address space announced: 79.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 202/8, 203/8,
210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 121924
Total ARIN prefixes after maximum aggregation: 65148
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91111
Unique aggregates announced from the ARIN address blocks: 34743
ARIN Region origin ASes present in the Internet Routing Table: 12358
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4754
ARIN Region transit ASes present in the Internet Routing Table: 1184
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 360325024
Equivalent to 21 /8s, 122 /16s and 31 /24s
Percentage of available ARIN address space announced: 74.1
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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 57391
Total RIPE prefixes after maximum aggregation: 34803
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52507
Unique aggregates announced from the RIPE address blocks: 35275
RIPE Region origin ASes present in the Internet Routing Table: 11737
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 6169
RIPE Region transit ASes present in the Internet Routing Table: 1778
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 369143104
Equivalent to 22 /8s, 0 /16s and 173 /24s
Percentage of available RIPE address space announced: 84.6
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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 21007
Total LACNIC prefixes after maximum aggregation: 5308
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 19258
Unique aggregates announced from the LACNIC address blocks: 10747
LACNIC Region origin ASes present in the Internet Routing Table: 981
LACNIC Prefixes per ASN: 19.63
LACNIC Region origin ASes announcing only one prefix: 324
LACNIC Region transit ASes present in the Internet Routing Table: 169
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 54404608
Equivalent to 3 /8s, 62 /16s and 38 /24s
Percentage of available LACNIC address space announced: 54.0
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 3993
Total AfriNIC prefixes after maximum aggregation: 1225
AfriNIC Deaggregation factor: 3.26
Prefixes being announced from the AfriNIC address blocks: 4347
Unique aggregates announced from the AfriNIC address blocks: 1868
AfriNIC Region origin ASes present in the Internet Routing Table: 248
AfriNIC Prefixes per ASN: 17.53
AfriNIC Region origin ASes announcing only one prefix: 80
AfriNIC Region transit ASes present in the Internet Routing Table: 52
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12726016
Equivalent to 0 /8s, 194 /16s and 47 /24s
Percentage of available AfriNIC address space announced: 37.9
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4755 1693 537 180 Videsh Sanchar Nigam Ltd. Aut
17488 1300 89 99 Hathway IP Over Cable Interne
9583 1176 92 493 Sify Limited
4766 858 6390 351 Korea Telecom (KIX)
4134 836 13523 339 CHINANET-BACKBONE
23577 823 35 698 Korea Telecom (ATM-MPLS)
4780 714 353 61 Digital United Inc.
18101 692 167 33 Reliance Infocom Ltd Internet
9498 674 291 54 BHARTI BT INTERNET LTD.
4808 616 1109 135 CNCGROUP IP network: China169
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 3198 3358 208 bellsouth.net, inc.
209 2881 3857 619 Qwest
6298 2004 323 735 Cox Communicatons
2386 1562 692 899 AT&T Data Communications Serv
4323 1491 1078 379 Time Warner Telecom
1785 1454 478 100 AppliedTheory Corporation
7018 1412 5830 988 AT&T WorldNet Services
11492 1214 151 22 Cable One
20115 1113 1080 573 Charter Communications
18566 1045 296 10 Covad Communications
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 414 1776 372 TDC Tele Danmark
3215 371 2756 106 France Telecom Transpac
8452 357 188 11 TEDATA
3301 332 1444 303 TeliaNet Sweden
3320 323 7047 271 Deutsche Telekom AG
8866 317 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 289 270 39 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
6746 269 126 243 Dynamic Network Technologies,
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 1517 2592 222 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 479 236 65 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 417 85 48 ENTEL CHILE S.A.
11172 410 118 72 Servicios Alestra S.A de C.V
10620 371 99 90 TVCABLE BOGOTA
14117 348 23 9 Telefonica del Sur S.A.
28573 318 432 33 NET Servicos de Comunicao S.A
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
24863 496 64 28 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 267 855 224 The Internet Solution
2018 211 213 130 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 136 10 13 EEPAD TISP TELECOM & INTERNET
5713 129 540 74 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
33776 119 6 3 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system
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 3198 3358 208 bellsouth.net, inc.
209 2881 3857 619 Qwest
6298 2004 323 735 Cox Communicatons
4755 1693 537 180 Videsh Sanchar Nigam Ltd. Aut
2386 1562 692 899 AT&T Data Communications Serv
8151 1517 2592 222 UniNet S.A. de C.V.
4323 1491 1078 379 Time Warner Telecom
1785 1454 478 100 AppliedTheory Corporation
7018 1412 5830 988 AT&T WorldNet Services
17488 1300 89 99 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2881 2262 Qwest
4755 1693 1513 Videsh Sanchar Nigam Ltd. Aut
1785 1454 1354 AppliedTheory Corporation
8151 1517 1295 UniNet S.A. de C.V.
6298 2004 1269 Cox Communicatons
17488 1300 1201 Hathway IP Over Cable Interne
11492 1214 1192 Cable One
4323 1491 1112 Time Warner Telecom
18566 1045 1035 Covad Communications
22773 959 897 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65530 PRIVATE 8.7.233.0/24 20473 Net Transactions LLC
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.53.86.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.55.0.0/18 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /8:18 /9:9 /10:17 /11:45 /12:146
/13:293 /14:527 /15:1055 /16:10032 /17:4359 /18:7547
/19:16006 /20:18673 /21:18275 /22:22986 /23:24093 /24:139274
/25:834 /26:1018 /27:722 /28:85 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2035 3198 bellsouth.net, inc.
6298 1977 2004 Cox Communicatons
209 1645 2881 Qwest
2386 1240 1562 AT&T Data Communications Serv
11492 1195 1214 Cable One
17488 1107 1300 Hathway IP Over Cable Interne
1785 1069 1454 AppliedTheory Corporation
4755 1042 1693 Videsh Sanchar Nigam Ltd. Aut
9583 1032 1176 Sify Limited
18566 1026 1045 Covad Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:133 12:2100 13:2 14:1 15:22
16:3 17:5 18:13 20:35 24:1083 32:59
38:482 40:92 41:703 43:1 44:2 47:12
52:3 55:3 56:3 57:27 58:526 59:505
60:453 61:983 62:1198 63:2032 64:3211 65:2365
66:3426 67:1226 68:767 69:2280 70:863 71:131
72:2039 73:6 74:1101 75:165 76:307 77:757
78:817 79:225 80:979 81:844 82:605 83:379
84:573 85:982 86:399 87:707 88:338 89:1309
90:33 91:1417 92:243 93:766 94:109 96:54
97:50 98:307 99:3 114:90 115:40 116:941
117:331 118:195 119:459 120:73 121:587 122:816
123:375 124:893 125:1178 128:355 129:201 130:135
131:410 132:70 133:9 134:188 135:33 136:223
137:94 138:145 139:94 140:503 141:103 142:407
143:340 144:398 145:51 146:372 147:156 148:517
149:197 150:129 151:183 152:144 153:136 154:10
155:278 156:173 157:288 158:166 159:294 160:273
161:118 162:262 163:155 164:518 165:456 166:362
167:333 168:626 169:139 170:426 171:33 172:10
173:12 188:1 189:473 190:2121 192:5794 193:4126
194:3239 195:2554 196:1016 198:3728 199:3312 200:5579
201:1521 202:7683 203:8093 204:3953 205:2146 206:2369
207:2759 208:3489 209:3419 210:2607 211:1075 212:1425
213:1610 214:179 215:50 216:4375 217:1203 218:346
219:429 220:1060 221:455 222:310
End of report
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