[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 12 18:08:34 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 13 Sep, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 268412
Prefixes after maximum aggregation: 129628
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 130442
Total ASes present in the Internet Routing Table: 29220
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25414
Origin ASes announcing only one prefix: 12361
Transit ASes present in the Internet Routing Table: 3806
Transit-only ASes present in the Internet Routing Table: 87
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: 561
Unregistered ASNs in the Routing Table: 209
Number of 32-bit ASNs allocated by the RIRs: 60
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 767
Number of addresses announced to Internet: 1916473632
Equivalent to 114 /8s, 59 /16s and 17 /24s
Percentage of available address space announced: 51.7
Percentage of allocated address space announced: 62.8
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.5
Total number of prefixes smaller than registry allocations: 131675
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62162
Total APNIC prefixes after maximum aggregation: 22841
APNIC Deaggregation factor: 2.72
Prefixes being announced from the APNIC address blocks: 59072
Unique aggregates announced from the APNIC address blocks: 26366
APNIC Region origin ASes present in the Internet Routing Table: 3375
APNIC Prefixes per ASN: 17.50
APNIC Region origin ASes announcing only one prefix: 908
APNIC Region transit ASes present in the Internet Routing Table: 531
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 376051488
Equivalent to 22 /8s, 106 /16s and 23 /24s
Percentage of available APNIC address space announced: 80.1
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: 121875
Total ARIN prefixes after maximum aggregation: 64530
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91148
Unique aggregates announced from the ARIN address blocks: 34980
ARIN Region origin ASes present in the Internet Routing Table: 12439
ARIN Prefixes per ASN: 7.33
ARIN Region origin ASes announcing only one prefix: 4806
ARIN Region transit ASes present in the Internet Routing Table: 1193
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 361286880
Equivalent to 21 /8s, 136 /16s and 204 /24s
Percentage of available ARIN address space announced: 74.3
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
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: 58112
Total RIPE prefixes after maximum aggregation: 35166
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 53245
Unique aggregates announced from the RIPE address blocks: 35726
RIPE Region origin ASes present in the Internet Routing Table: 11863
RIPE Prefixes per ASN: 4.49
RIPE Region origin ASes announcing only one prefix: 6234
RIPE Region transit ASes present in the Internet Routing Table: 1805
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 371846720
Equivalent to 22 /8s, 41 /16s and 238 /24s
Percentage of available RIPE address space announced: 85.2
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: 21616
Total LACNIC prefixes after maximum aggregation: 5369
LACNIC Deaggregation factor: 4.03
Prefixes being announced from the LACNIC address blocks: 19815
Unique aggregates announced from the LACNIC address blocks: 10925
LACNIC Region origin ASes present in the Internet Routing Table: 997
LACNIC Prefixes per ASN: 19.87
LACNIC Region origin ASes announcing only one prefix: 330
LACNIC Region transit ASes present in the Internet Routing Table: 171
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 55251968
Equivalent to 3 /8s, 75 /16s and 20 /24s
Percentage of available LACNIC address space announced: 54.9
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: 4086
Total AfriNIC prefixes after maximum aggregation: 1260
AfriNIC Deaggregation factor: 3.24
Prefixes being announced from the AfriNIC address blocks: 4403
Unique aggregates announced from the AfriNIC address blocks: 2012
AfriNIC Region origin ASes present in the Internet Routing Table: 256
AfriNIC Prefixes per ASN: 17.20
AfriNIC Region origin ASes announcing only one prefix: 83
AfriNIC Region transit ASes present in the Internet Routing Table: 53
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12717312
Equivalent to 0 /8s, 194 /16s and 13 /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 1718 538 181 Videsh Sanchar Nigam Ltd. Aut
17488 1378 93 98 Hathway IP Over Cable Interne
9583 1146 89 487 Sify Limited
4766 876 6408 360 Korea Telecom (KIX)
4134 841 13651 345 CHINANET-BACKBONE
23577 818 34 693 Korea Telecom (ATM-MPLS)
18101 766 152 51 Reliance Infocom Ltd Internet
4780 714 353 61 Digital United Inc.
9498 676 291 54 BHARTI BT INTERNET LTD.
4808 629 1156 138 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 4298 3416 339 bellsouth.net, inc.
209 2918 3873 620 Qwest
6298 1965 314 757 Cox Communicatons
20115 1677 1414 719 Charter Communications
1785 1653 710 156 AppliedTheory Corporation
2386 1555 691 895 AT&T Data Communications Serv
4323 1520 1073 375 Time Warner Telecom
7018 1405 5801 974 AT&T WorldNet Services
11492 1210 151 19 Cable One
6478 1155 240 185 AT&T Worldnet Services
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 420 1777 377 TDC Tele Danmark
3301 334 1460 305 TeliaNet Sweden
8452 328 188 11 TEDATA
3215 327 2756 106 France Telecom Transpac
3320 326 7063 274 Deutsche Telekom AG
30890 323 87 176 SC Kappa Invexim SRL
8866 317 77 21 Bulgarian Telecommunication C
5462 296 794 27 Telewest Broadband
8551 286 270 37 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
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 1604 2607 222 UniNet S.A. de C.V.
11830 667 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 486 239 67 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
10620 424 104 62 TVCABLE BOGOTA
6471 420 85 48 ENTEL CHILE S.A.
11172 409 118 72 Servicios Alestra S.A de C.V
28573 350 442 29 NET Servicos de Comunicao S.A
14117 345 23 9 Telefonica del Sur 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 512 67 32 LINKdotNET AS number
20858 403 34 3 EgyNet
3741 265 855 223 The Internet Solution
2018 231 214 138 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 137 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
5713 118 555 68 Telkom SA Ltd
33776 116 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 4298 3416 339 bellsouth.net, inc.
209 2918 3873 620 Qwest
6298 1965 314 757 Cox Communicatons
4755 1718 538 181 Videsh Sanchar Nigam Ltd. Aut
20115 1677 1414 719 Charter Communications
1785 1653 710 156 AppliedTheory Corporation
8151 1604 2607 222 UniNet S.A. de C.V.
2386 1555 691 895 AT&T Data Communications Serv
4323 1520 1073 375 Time Warner Telecom
7018 1405 5801 974 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2918 2298 Qwest
4755 1718 1537 Videsh Sanchar Nigam Ltd. Aut
1785 1653 1497 AppliedTheory Corporation
8151 1604 1382 UniNet S.A. de C.V.
17488 1378 1280 Hathway IP Over Cable Interne
6298 1965 1208 Cox Communicatons
11492 1210 1191 Cable One
4323 1520 1145 Time Warner Telecom
18566 1048 1038 Covad Communications
6478 1155 970 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
24.75.116.0/22 10796 ServiceCo 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
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.71.0/24 701 UUNET Technologies, Inc.
63.143.115.0/24 701 UUNET Technologies, Inc.
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 /9:9 /10:17 /11:45 /12:146
/13:294 /14:525 /15:1069 /16:10073 /17:4381 /18:7696
/19:16085 /20:19021 /21:18546 /22:23244 /23:24388 /24:140269
/25:784 /26:948 /27:747 /28:89 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2851 4298 bellsouth.net, inc.
6298 1940 1965 Cox Communicatons
209 1684 2918 Qwest
2386 1232 1555 AT&T Data Communications Serv
11492 1191 1210 Cable One
17488 1185 1378 Hathway IP Over Cable Interne
1785 1122 1653 AppliedTheory Corporation
4755 1053 1718 Videsh Sanchar Nigam Ltd. Aut
6478 1048 1155 AT&T Worldnet Services
18566 1029 1048 Covad Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:139 12:2140 13:2 15:21 16:3
17:5 18:13 20:35 24:1089 32:59 38:493
40:92 41:725 43:1 44:2 47:12 52:3
55:3 56:3 57:27 58:525 59:517 60:451
61:969 62:1213 63:2039 64:3193 65:2375 66:3454
67:1228 68:774 69:2274 70:844 71:164 72:1990
73:7 74:1150 75:164 76:265 77:793 78:824
79:265 80:947 81:833 82:580 83:366 84:575
85:1021 86:400 87:714 88:335 89:1360 90:21
91:1480 92:262 93:819 94:140 96:65 97:77
98:315 99:8 114:97 115:44 116:1015 117:362
118:243 119:488 120:83 121:591 122:845 123:438
124:853 125:1194 128:356 129:201 130:134 131:411
132:70 133:9 134:178 135:32 136:223 137:93
138:140 139:81 140:505 141:102 142:408 143:306
144:363 145:51 146:370 147:157 148:517 149:207
150:128 151:182 152:146 153:136 154:10 155:283
156:175 157:299 158:162 159:302 160:274 161:139
162:253 163:155 164:516 165:494 166:364 167:331
168:632 169:143 170:438 171:33 172:10 173:33
186:1 187:1 188:1 189:610 190:2210 192:5707
193:4145 194:3252 195:2573 196:996 198:3725 199:3294
200:5592 201:1528 202:7841 203:8071 204:3931 205:2120
206:2354 207:2738 208:3577 209:3421 210:2600 211:1093
212:1427 213:1625 214:179 215:50 216:4333 217:1213
218:346 219:437 220:1060 221:426 222:316
End of report
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