[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 22 18:08:11 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 23 Aug, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 266564
Prefixes after maximum aggregation: 129847
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129767
Total ASes present in the Internet Routing Table: 29013
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25251
Origin ASes announcing only one prefix: 12229
Transit ASes present in the Internet Routing Table: 3762
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 571
Unregistered ASNs in the Routing Table: 212
Number of 32-bit ASNs allocated by the RIRs: 58
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: 765
Number of addresses announced to Internet: 1893845344
Equivalent to 112 /8s, 225 /16s and 201 /24s
Percentage of available address space announced: 51.1
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: 130756
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61188
Total APNIC prefixes after maximum aggregation: 22742
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 58158
Unique aggregates announced from the APNIC address blocks: 26203
APNIC Region origin ASes present in the Internet Routing Table: 3337
APNIC Prefixes per ASN: 17.43
APNIC Region origin ASes announcing only one prefix: 879
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: 19
Number of APNIC addresses announced to Internet: 372857376
Equivalent to 22 /8s, 57 /16s and 90 /24s
Percentage of available APNIC address space announced: 79.4
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: 122269
Total ARIN prefixes after maximum aggregation: 65261
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91444
Unique aggregates announced from the ARIN address blocks: 34942
ARIN Region origin ASes present in the Internet Routing Table: 12396
ARIN Prefixes per ASN: 7.38
ARIN Region origin ASes announcing only one prefix: 4764
ARIN Region transit ASes present in the Internet Routing Table: 1180
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 360765536
Equivalent to 21 /8s, 128 /16s and 216 /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: 57552
Total RIPE prefixes after maximum aggregation: 34846
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52673
Unique aggregates announced from the RIPE address blocks: 35376
RIPE Region origin ASes present in the Internet Routing Table: 11754
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6181
RIPE Region transit ASes present in the Internet Routing Table: 1797
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 369446912
Equivalent to 22 /8s, 5 /16s and 80 /24s
Percentage of available RIPE address space announced: 84.7
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: 20959
Total LACNIC prefixes after maximum aggregation: 5284
LACNIC Deaggregation factor: 3.97
Prefixes being announced from the LACNIC address blocks: 19219
Unique aggregates announced from the LACNIC address blocks: 10731
LACNIC Region origin ASes present in the Internet Routing Table: 986
LACNIC Prefixes per ASN: 19.49
LACNIC Region origin ASes announcing only one prefix: 325
LACNIC Region transit ASes present in the Internet Routing Table: 168
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 54552832
Equivalent to 3 /8s, 64 /16s and 105 /24s
Percentage of available LACNIC address space announced: 54.2
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: 4024
Total AfriNIC prefixes after maximum aggregation: 1236
AfriNIC Deaggregation factor: 3.26
Prefixes being announced from the AfriNIC address blocks: 4368
Unique aggregates announced from the AfriNIC address blocks: 1935
AfriNIC Region origin ASes present in the Internet Routing Table: 250
AfriNIC Prefixes per ASN: 17.47
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: 12627712
Equivalent to 0 /8s, 192 /16s and 175 /24s
Percentage of available AfriNIC address space announced: 37.6
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 1703 537 179 Videsh Sanchar Nigam Ltd. Aut
17488 1334 88 101 Hathway IP Over Cable Interne
9583 1184 93 496 Sify Limited
4766 868 6407 355 Korea Telecom (KIX)
4134 835 13521 338 CHINANET-BACKBONE
23577 823 35 698 Korea Telecom (ATM-MPLS)
4780 715 353 61 Digital United Inc.
18101 693 167 33 Reliance Infocom Ltd Internet
9498 675 291 54 BHARTI BT INTERNET LTD.
4808 618 1112 137 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 3200 3358 207 bellsouth.net, inc.
209 2881 3857 620 Qwest
6298 1981 319 726 Cox Communicatons
1785 1647 710 155 AppliedTheory Corporation
2386 1505 692 900 AT&T Data Communications Serv
4323 1495 1073 376 Time Warner Telecom
7018 1410 5816 983 AT&T WorldNet Services
11492 1214 151 22 Cable One
6478 1114 237 174 AT&T Worldnet Services
20115 1113 1080 576 Charter 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 396 2756 106 France Telecom Transpac
8452 354 188 11 TEDATA
3301 333 1444 304 TeliaNet Sweden
3320 323 7047 271 Deutsche Telekom AG
8866 316 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 288 270 38 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
6746 270 126 244 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 1520 2592 225 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 563 270 14 VTR PUNTO NET S.A.
7303 477 235 67 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 420 85 48 ENTEL CHILE S.A.
11172 409 118 72 Servicios Alestra S.A de C.V
10620 383 102 74 TVCABLE BOGOTA
14117 345 23 9 Telefonica del Sur S.A.
28573 325 440 28 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 497 64 29 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 273 857 226 The Internet Solution
2018 224 213 131 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 136 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
5713 118 539 70 Telkom SA Ltd
33776 115 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 3200 3358 207 bellsouth.net, inc.
209 2881 3857 620 Qwest
6298 1981 319 726 Cox Communicatons
4755 1703 537 179 Videsh Sanchar Nigam Ltd. Aut
1785 1647 710 155 AppliedTheory Corporation
8151 1520 2592 225 UniNet S.A. de C.V.
2386 1505 692 900 AT&T Data Communications Serv
4323 1495 1073 376 Time Warner Telecom
7018 1410 5816 983 AT&T WorldNet Services
17488 1334 88 101 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 2261 Qwest
4755 1703 1524 Videsh Sanchar Nigam Ltd. Aut
1785 1647 1492 AppliedTheory Corporation
8151 1520 1295 UniNet S.A. de C.V.
6298 1981 1255 Cox Communicatons
17488 1334 1233 Hathway IP Over Cable Interne
11492 1214 1192 Cable One
4323 1495 1119 Time Warner Telecom
18566 1045 1035 Covad Communications
6478 1114 940 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 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 /14:530 /15:1058 /16:10041 /17:4382 /18:7591
/19:16021 /20:18706 /21:18315 /22:23079 /23:24200 /24:139428
/25:839 /26:1022 /27:718 /28:89 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2037 3200 bellsouth.net, inc.
6298 1954 1981 Cox Communicatons
209 1647 2881 Qwest
11492 1195 1214 Cable One
2386 1184 1505 AT&T Data Communications Serv
17488 1142 1334 Hathway IP Over Cable Interne
1785 1116 1647 AppliedTheory Corporation
4755 1043 1703 Videsh Sanchar Nigam Ltd. Aut
9583 1040 1184 Sify Limited
6478 1027 1114 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:134 12:2126 13:2 15:22 16:3
17:5 18:13 20:35 24:1085 32:59 38:496
40:92 41:700 43:1 44:2 47:12 52:3
55:3 56:3 57:26 58:529 59:512 60:453
61:983 62:1212 63:2052 64:3236 65:2362 66:3436
67:1228 68:776 69:2298 70:860 71:135 72:2012
73:6 74:1117 75:165 76:313 77:765 78:820
79:228 80:975 81:871 82:586 83:378 84:573
85:990 86:402 87:719 88:339 89:1314 90:34
91:1414 92:255 93:793 94:75 96:57 97:60
98:312 99:3 114:96 115:33 116:971 117:337
118:197 119:460 120:74 121:584 122:819 123:380
124:846 125:1186 128:353 129:202 130:135 131:409
132:70 133:9 134:188 135:33 136:223 137:94
138:141 139:93 140:506 141:103 142:406 143:311
144:404 145:51 146:373 147:156 148:517 149:199
150:128 151:183 152:144 153:136 154:10 155:281
156:171 157:288 158:165 159:251 160:272 161:131
162:264 163:156 164:517 165:458 166:361 167:332
168:623 169:141 170:430 171:33 172:10 173:16
188:1 189:488 190:2081 192:5800 193:4133 194:3251
195:2566 196:1025 198:3734 199:3307 200:5535 201:1523
202:7660 203:8074 204:3953 205:2149 206:2369 207:2759
208:3515 209:3435 210:2597 211:1079 212:1423 213:1619
214:180 215:50 216:4379 217:1205 218:345 219:429
220:1060 221:455 222:311
End of report
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