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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 26 Mar, 2008
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/oix-data/2008/03/26
Analysis Summary
----------------
BGP routing table entries examined: 255496
Prefixes after maximum aggregation: 126897
Deaggregation factor: 2.01
Unique aggregates announced to Internet: 121777
Total ASes present in the Internet Routing Table: 27761
Prefixes per ASN: 9.20
Origin-only ASes present in the Internet Routing Table: 24147
Origin ASes announcing only one prefix: 11175
Transit ASes present in the Internet Routing Table: 3614
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 29
Max AS path prepend of ASN (18678) 21
Prefixes from unregistered ASNs in the Routing Table: 26313
Unregistered ASNs in the Routing Table: 1935
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 897
Number of addresses announced to Internet: 1850653481
Equivalent to 110 /8s, 78 /16s and 187 /24s
Percentage of available address space announced: 49.9
Percentage of allocated address space announced: 61.3
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.0
Total number of prefixes smaller than registry allocations: 121473
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44268
Total APNIC prefixes after maximum aggregation: 13544
APNIC Deaggregation factor: 3.27
Prefixes being announced from the APNIC address blocks: 56818
Unique aggregates announced from the APNIC address blocks: 23525
APNIC Region origin ASes present in the Internet Routing Table: 1908
APNIC Prefixes per ASN: 29.78
APNIC Region origin ASes announcing only one prefix: 544
APNIC Region transit ASes present in the Internet Routing Table: 352
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 336966192
Equivalent to 20 /8s, 21 /16s and 178 /24s
Percentage of available APNIC address space announced: 77.2
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, 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: 107965
Total ARIN prefixes after maximum aggregation: 59076
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 86477
Unique aggregates announced from the ARIN address blocks: 33858
ARIN Region origin ASes present in the Internet Routing Table: 11659
ARIN Prefixes per ASN: 7.42
ARIN Region origin ASes announcing only one prefix: 4506
ARIN Region transit ASes present in the Internet Routing Table: 1073
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 362400544
Equivalent to 21 /8s, 153 /16s and 203 /24s
Percentage of available ARIN address space announced: 74.5
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
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: 53983
Total RIPE prefixes after maximum aggregation: 33138
RIPE Deaggregation factor: 1.63
Prefixes being announced from the RIPE address blocks: 49549
Unique aggregates announced from the RIPE address blocks: 32599
RIPE Region origin ASes present in the Internet Routing Table: 11090
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 5766
RIPE Region transit ASes present in the Internet Routing Table: 1691
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 348124169
Equivalent to 20 /8s, 191 /16s and 244 /24s
Percentage of available RIPE address space announced: 79.8
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
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: 19317
Total LACNIC prefixes after maximum aggregation: 4787
LACNIC Deaggregation factor: 4.04
Prefixes being announced from the LACNIC address blocks: 17684
Unique aggregates announced from the LACNIC address blocks: 9583
LACNIC Region origin ASes present in the Internet Routing Table: 881
LACNIC Prefixes per ASN: 20.07
LACNIC Region origin ASes announcing only one prefix: 277
LACNIC Region transit ASes present in the Internet Routing Table: 152
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 49825920
Equivalent to 2 /8s, 248 /16s and 72 /24s
Percentage of available LACNIC address space announced: 49.5
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: 3651
Total AfriNIC prefixes after maximum aggregation: 1157
AfriNIC Deaggregation factor: 3.16
Prefixes being announced from the AfriNIC address blocks: 4050
Unique aggregates announced from the AfriNIC address blocks: 1788
AfriNIC Region origin ASes present in the Internet Routing Table: 236
AfriNIC Prefixes per ASN: 17.16
AfriNIC Region origin ASes announcing only one prefix: 82
AfriNIC Region transit ASes present in the Internet Routing Table: 46
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 10189824
Equivalent to 0 /8s, 155 /16s and 124 /24s
Percentage of available AfriNIC address space announced: 30.4
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 1612 386 85 Videsh Sanchar Nigam Ltd. Aut
4538 1549 3102 39 China Education and Research
9583 1150 133 154 Sify Limited
9498 1122 550 63 BHARTI BT INTERNET LTD.
17488 1038 67 81 Hathway IP Over Cable Interne
4134 855 12473 317 CHINANET-BACKBONE
4766 850 6005 340 Korea Telecom (KIX)
18101 673 126 51 Reliance Infocom Ltd Internet
9829 594 449 11 BSNL National Internet Backbo
1221 592 1950 427 Telstra Pty Ltd
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1423 10014 999 AT&T WorldNet Services
2386 1393 643 861 AT&T Data Communications Serv
4323 1387 1028 367 Time Warner Telecom
11492 1216 146 23 Cable One
7011 1046 304 614 Citizens Utilities
18566 1046 296 10 Covad Communications
1785 1008 479 107 AppliedTheory Corporation
6197 990 728 477 BellSouth Network Solutions,
174 965 6835 812 Cogent Communications
6478 936 238 113 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 399 1776 360 TDC Tele Danmark
8452 358 188 7 TEDATA
3301 341 1459 310 TeliaNet Sweden
3320 322 7045 267 Deutsche Telekom AG
5462 300 666 27 Telewest Broadband
8866 293 78 24 Bulgarian Telecommunication C
3215 277 2655 91 France Telecom Transpac
6746 264 127 242 Dynamic Network Technologies,
1273 261 288 101 Cable & Wireless Deutschland
680 259 2046 258 DFN-IP service G-WiN
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1191 2450 221 UniNet S.A. de C.V.
11830 555 299 9 Instituto Costarricense de El
7303 451 220 59 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
11172 406 117 68 Servicios Alestra S.A de C.V
6471 398 85 40 ENTEL CHILE S.A.
10620 393 103 51 TVCABLE BOGOTA
14117 352 25 15 Telefonica del Sur S.A.
22047 322 270 14 VTR PUNTO NET S.A.
10481 310 152 10 Prima S.A.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 451 60 28 LINKdotNET AS number
3741 298 869 228 The Internet Solution
2018 255 276 111 Tertiary Education Network
20858 216 34 3 EgyNet
6713 144 135 11 Itissalat Al-MAGHRIB
33783 130 9 16 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 89 48 7 RAYA Telecom - Egypt
2905 83 176 74 The Internetworking Company o
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
23577 1884 35 800 Korea Telecom (ATM-MPLS)
6389 1774 2992 85 bellsouth.net, inc.
4755 1612 386 85 Videsh Sanchar Nigam Ltd. Aut
4538 1549 3102 39 China Education and Research
7018 1423 10014 999 AT&T WorldNet Services
2386 1393 643 861 AT&T Data Communications Serv
4323 1387 1028 367 Time Warner Telecom
11492 1216 146 23 Cable One
8151 1191 2450 221 UniNet S.A. de C.V.
9583 1150 133 154 Sify Limited
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 1774 1689 bellsouth.net, inc.
4755 1612 1527 Videsh Sanchar Nigam Ltd. Aut
4538 1549 1510 China Education and Research
11492 1216 1193 Cable One
9498 1122 1059 BHARTI BT INTERNET LTD.
18566 1046 1036 Covad Communications
4323 1387 1020 Time Warner Telecom
9583 1150 996 Sify Limited
8151 1191 970 UniNet S.A. de C.V.
17488 1038 957 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo!
12180 UNALLOCATED 4.79.248.0/24 3561 Savvis
11096 UNALLOCATED 8.6.245.0/24 20080 Florida Internationa
26478 UNALLOCATED 8.7.228.0/24 6461 AboveNet Communicati
12180 UNALLOCATED 8.10.16.0/24 3549 Global Crossing
12180 UNALLOCATED 8.10.58.0/23 3549 Global Crossing
14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo!
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
22492 UNALLOCATED 12.2.46.0/24 7018 AT&T WorldNet Servic
14984 UNALLOCATED 12.2.192.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
172.31.0.0/16 194 University Corporation for At
192.0.2.0/24 2854 RoSprint AS (Global One Russi
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 19548 Adelphia Business Solutions
24.75.192.0/18 19548 Adelphia Business Solutions
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
Complete listing at http://thyme.apnic.net/rviews/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 /10:16 /11:41 /12:138
/13:282 /14:506 /15:1007 /16:9920 /17:4407 /18:7453
/19:15606 /20:18555 /21:16999 /22:21526 /23:22673 /24:132914
/25:935 /26:1070 /27:571 /28:288 /29:221 /30:261
/31:0 /32:79
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1202 1216 Cable One
2386 1094 1393 AT&T Data Communications Serv
18566 1027 1046 Covad Communications
9583 988 1150 Sify Limited
4755 959 1612 Videsh Sanchar Nigam Ltd. Aut
6478 935 936 AT&T Worldnet Services
7011 934 1046 Citizens Utilities
23577 933 1884 Korea Telecom (ATM-MPLS)
17488 853 1038 Hathway IP Over Cable Interne
7018 799 1423 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:103 11:1 12:2015 13:2 15:21
16:3 17:6 18:13 20:35 24:1037 25:1
32:184 33:4 38:405 40:95 41:620 43:6
44:2 47:8 52:3 55:3 56:3 57:44
58:517 59:428 60:426 61:995 62:1128 63:1975
64:3442 65:2426 66:3686 67:1079 68:647 69:2124
70:518 71:128 72:1510 73:6 74:894 75:222
76:292 77:624 78:550 79:119 80:883 81:838
82:632 83:376 84:555 85:946 86:390 87:628
88:310 89:1204 90:12 91:1137 92:237 93:153
96:18 97:16 98:101 99:3 116:577 117:276
118:82 119:354 121:453 122:724 123:305 124:806
125:1128 128:320 129:200 130:124 131:403 132:67
133:9 134:188 135:32 136:222 137:123 138:154
139:98 140:483 141:110 142:384 143:279 144:347
145:54 146:334 147:132 148:499 149:182 150:123
151:159 152:144 153:127 154:12 155:265 156:207
157:253 158:167 159:223 160:265 161:113 162:206
163:203 164:577 165:437 166:306 167:314 168:595
169:131 170:411 171:28 172:3 189:170 190:1556
192:5784 193:4108 194:3329 195:2474 196:1128 198:3853
199:3235 200:5522 201:1325 202:7559 203:7861 204:4021
205:2093 206:2473 207:2807 208:3262 209:3600 210:2525
211:1075 212:1336 213:1607 214:454 215:48 216:4337
217:1206 218:357 219:509 220:1059 221:409 222:316
End of report
