[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 29 18:08:19 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 30 Aug, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 267403
Prefixes after maximum aggregation: 129611
Deaggregation factor: 2.06
Unique aggregates announced to Internet: 130029
Total ASes present in the Internet Routing Table: 29086
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25321
Origin ASes announcing only one prefix: 12271
Transit ASes present in the Internet Routing Table: 3765
Transit-only ASes present in the Internet Routing Table: 83
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: 584
Unregistered ASNs in the Routing Table: 211
Number of 32-bit ASNs allocated by the RIRs: 59
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: 758
Number of addresses announced to Internet: 1895287072
Equivalent to 112 /8s, 247 /16s and 201 /24s
Percentage of available address space announced: 51.1
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.3
Total number of prefixes smaller than registry allocations: 131240
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61349
Total APNIC prefixes after maximum aggregation: 22780
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 58289
Unique aggregates announced from the APNIC address blocks: 26196
APNIC Region origin ASes present in the Internet Routing Table: 3351
APNIC Prefixes per ASN: 17.39
APNIC Region origin ASes announcing only one prefix: 885
APNIC Region transit ASes present in the Internet Routing Table: 511
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 374332192
Equivalent to 22 /8s, 79 /16s and 219 /24s
Percentage of available APNIC address space announced: 79.7
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: 122481
Total ARIN prefixes after maximum aggregation: 64799
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91576
Unique aggregates announced from the ARIN address blocks: 35030
ARIN Region origin ASes present in the Internet Routing Table: 12412
ARIN Prefixes per ASN: 7.38
ARIN Region origin ASes announcing only one prefix: 4782
ARIN Region transit ASes present in the Internet Routing Table: 1189
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 360803168
Equivalent to 21 /8s, 129 /16s and 107 /24s
Percentage of available ARIN address space announced: 74.2
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: 57701
Total RIPE prefixes after maximum aggregation: 34980
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52817
Unique aggregates announced from the RIPE address blocks: 35529
RIPE Region origin ASes present in the Internet Routing Table: 11793
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6194
RIPE Region transit ASes present in the Internet Routing Table: 1795
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 370029760
Equivalent to 22 /8s, 14 /16s and 52 /24s
Percentage of available RIPE address space announced: 84.8
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: 21248
Total LACNIC prefixes after maximum aggregation: 5325
LACNIC Deaggregation factor: 3.99
Prefixes being announced from the LACNIC address blocks: 19481
Unique aggregates announced from the LACNIC address blocks: 10795
LACNIC Region origin ASes present in the Internet Routing Table: 986
LACNIC Prefixes per ASN: 19.76
LACNIC Region origin ASes announcing only one prefix: 324
LACNIC Region transit ASes present in the Internet Routing Table: 167
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 54844416
Equivalent to 3 /8s, 68 /16s and 220 /24s
Percentage of available LACNIC address space announced: 54.5
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: 4039
Total AfriNIC prefixes after maximum aggregation: 1253
AfriNIC Deaggregation factor: 3.22
Prefixes being announced from the AfriNIC address blocks: 4386
Unique aggregates announced from the AfriNIC address blocks: 1910
AfriNIC Region origin ASes present in the Internet Routing Table: 252
AfriNIC Prefixes per ASN: 17.40
AfriNIC Region origin ASes announcing only one prefix: 86
AfriNIC Region transit ASes present in the Internet Routing Table: 54
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12647424
Equivalent to 0 /8s, 192 /16s and 252 /24s
Percentage of available AfriNIC address space announced: 37.7
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 1712 538 180 Videsh Sanchar Nigam Ltd. Aut
17488 1370 89 104 Hathway IP Over Cable Interne
9583 1109 89 492 Sify Limited
4766 871 6407 357 Korea Telecom (KIX)
4134 838 13619 341 CHINANET-BACKBONE
23577 820 35 695 Korea Telecom (ATM-MPLS)
4780 712 353 61 Digital United Inc.
18101 694 167 31 Reliance Infocom Ltd Internet
9498 674 291 53 BHARTI BT INTERNET LTD.
4808 623 1108 136 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 4307 3416 344 bellsouth.net, inc.
209 2883 3873 617 Qwest
6298 2013 323 717 Cox Communicatons
1785 1649 710 156 AppliedTheory Corporation
2386 1559 691 900 AT&T Data Communications Serv
4323 1500 1073 374 Time Warner Telecom
20115 1478 1194 670 Charter Communications
7018 1409 5785 978 AT&T WorldNet Services
11492 1211 151 22 Cable One
6478 1134 239 187 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 414 1776 372 TDC Tele Danmark
3215 396 2756 106 France Telecom Transpac
8452 358 188 11 TEDATA
3301 334 1444 305 TeliaNet Sweden
3320 323 7047 271 Deutsche Telekom AG
8866 317 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
8708 267 422 252 Romania Data Systems S.A.
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 1589 2606 230 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 477 235 67 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 421 85 48 ENTEL CHILE S.A.
10620 411 102 71 TVCABLE BOGOTA
11172 409 118 73 Servicios Alestra S.A de C.V
14117 345 23 9 Telefonica del Sur S.A.
28573 338 440 29 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 508 65 36 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 266 855 223 The Internet Solution
2018 229 214 135 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
33776 119 6 3 Starcomms Nigeria Limited
5713 118 539 70 Telkom SA Ltd
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 4307 3416 344 bellsouth.net, inc.
209 2883 3873 617 Qwest
6298 2013 323 717 Cox Communicatons
4755 1712 538 180 Videsh Sanchar Nigam Ltd. Aut
1785 1649 710 156 AppliedTheory Corporation
8151 1589 2606 230 UniNet S.A. de C.V.
2386 1559 691 900 AT&T Data Communications Serv
4323 1500 1073 374 Time Warner Telecom
20115 1478 1194 670 Charter Communications
7018 1409 5785 978 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 2883 2266 Qwest
4755 1712 1532 Videsh Sanchar Nigam Ltd. Aut
1785 1649 1493 AppliedTheory Corporation
8151 1589 1359 UniNet S.A. de C.V.
6298 2013 1296 Cox Communicatons
17488 1370 1266 Hathway IP Over Cable Interne
11492 1211 1189 Cable One
4323 1500 1126 Time Warner Telecom
18566 1045 1035 Covad Communications
6478 1134 947 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 12.0.252.0/23 701 UUNET Technologies,
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
24.75.160.0/19 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.
63.143.251.0/24 22555 Universal Talkware Corporatio
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
/13:292 /14:527 /15:1062 /16:10057 /17:4376 /18:7622
/19:16077 /20:18755 /21:18407 /22:23185 /23:24242 /24:139894
/25:834 /26:1022 /27:722 /28:77 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2861 4307 bellsouth.net, inc.
6298 1986 2013 Cox Communicatons
209 1652 2883 Qwest
2386 1237 1559 AT&T Data Communications Serv
11492 1192 1211 Cable One
17488 1178 1370 Hathway IP Over Cable Interne
1785 1118 1649 AppliedTheory Corporation
4755 1049 1712 Videsh Sanchar Nigam Ltd. Aut
6478 1027 1134 AT&T Worldnet Services
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 8:136 12:2135 13:2 15:22 16:3
17:5 18:13 20:35 24:1082 32:59 38:488
40:92 41:714 43:1 44:2 47:12 52:3
55:3 56:3 57:26 58:526 59:510 60:452
61:965 62:1209 63:2047 64:3231 65:2367 66:3453
67:1227 68:782 69:2289 70:868 71:132 72:2024
73:6 74:1127 75:170 76:314 77:769 78:801
79:243 80:977 81:871 82:583 83:374 84:574
85:982 86:401 87:717 88:339 89:1321 90:37
91:1428 92:251 93:808 94:111 96:62 97:65
98:317 99:6 114:92 115:41 116:1000 117:342
118:195 119:480 120:83 121:587 122:821 123:398
124:835 125:1194 128:356 129:202 130:134 131:413
132:70 133:9 134:188 135:34 136:223 137:97
138:141 139:94 140:507 141:103 142:407 143:312
144:411 145:51 146:372 147:157 148:513 149:202
150:127 151:180 152:145 153:136 154:10 155:278
156:174 157:299 158:163 159:299 160:274 161:136
162:256 163:158 164:515 165:490 166:365 167:332
168:628 169:142 170:429 171:33 172:10 173:33
188:1 189:549 190:2114 192:5799 193:4145 194:3251
195:2576 196:1025 198:3734 199:3313 200:5555 201:1527
202:7630 203:8095 204:3946 205:2157 206:2371 207:2758
208:3526 209:3431 210:2600 211:1088 212:1436 213:1613
214:178 215:50 216:4385 217:1207 218:346 219:429
220:1063 221:427 222:313
End of report
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