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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 27 Oct, 2007
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/2007/10/27
Analysis Summary
----------------
BGP routing table entries examined: 242467
Prefixes after maximum aggregation: 122592
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 114024
Total ASes present in the Internet Routing Table: 26636
Prefixes per ASN: 9.10
Origin-only ASes present in the Internet Routing Table: 23136
Origin ASes announcing only one prefix: 11263
Transit ASes present in the Internet Routing Table: 3500
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.4
Max AS path length visible: 27
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 45
Unregistered ASNs in the Routing Table: 16
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1782737212
Equivalent to 106 /8s, 66 /16s and 105 /24s
Percentage of available address space announced: 48.1
Percentage of allocated address space announced: 62.2
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 112870
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58462
Total APNIC prefixes after maximum aggregation: 20942
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 55283
Unique aggregates announced from the APNIC address blocks: 21966
APNIC Region origin ASes present in the Internet Routing Table: 3090
APNIC Prefixes per ASN: 17.89
APNIC Region origin ASes announcing only one prefix: 801
APNIC Region transit ASes present in the Internet Routing Table: 468
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 322713044
Equivalent to 19 /8s, 60 /16s and 53 /24s
Percentage of available APNIC address space announced: 79.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 112714
Total ARIN prefixes after maximum aggregation: 64006
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83172
Unique aggregates announced from the ARIN address blocks: 32480
ARIN Region origin ASes present in the Internet Routing Table: 11927
ARIN Prefixes per ASN: 6.97
ARIN Region origin ASes announcing only one prefix: 4575
ARIN Region transit ASes present in the Internet Routing Table: 1140
Average ARIN Region AS path length visible: 3.0
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 349674784
Equivalent to 20 /8s, 215 /16s and 157 /24s
Percentage of available ARIN address space announced: 77.2
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
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 50810
Total RIPE prefixes after maximum aggregation: 31948
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 47262
Unique aggregates announced from the RIPE address blocks: 30470
RIPE Region origin ASes present in the Internet Routing Table: 10450
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5534
RIPE Region transit ASes present in the Internet Routing Table: 1649
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 334099488
Equivalent to 19 /8s, 233 /16s and 244 /24s
Percentage of available RIPE address space announced: 76.6
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
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 17621
Total LACNIC prefixes after maximum aggregation: 4616
LACNIC Deaggregation factor: 3.82
Prefixes being announced from the LACNIC address blocks: 15571
Unique aggregates announced from the LACNIC address blocks: 8672
LACNIC Region origin ASes present in the Internet Routing Table: 876
LACNIC Prefixes per ASN: 17.78
LACNIC Region origin ASes announcing only one prefix: 283
LACNIC Region transit ASes present in the Internet Routing Table: 156
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 44757760
Equivalent to 2 /8s, 170 /16s and 243 /24s
Percentage of available LACNIC address space announced: 44.5
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2807
Total AfriNIC prefixes after maximum aggregation: 1064
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 2392
Unique aggregates announced from the AfriNIC address blocks: 1387
AfriNIC Region origin ASes present in the Internet Routing Table: 213
AfriNIC Prefixes per ASN: 11.23
AfriNIC Region origin ASes announcing only one prefix: 70
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7566080
Equivalent to 0 /8s, 115 /16s and 115 /24s
Percentage of available AfriNIC address space announced: 22.5
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
4538 2768 2974 36 China Education and Research
4755 1473 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1125 108 15 Sify Limited
4134 1098 11539 299 CHINANET-BACKBONE
9498 1014 550 67 BHARTI BT INTERNET LTD.
23577 914 34 788 Korea Telecom (ATM-MPLS)
17488 855 55 67 Hathway IP Over Cable Interne
4766 816 5473 327 Korea Telecom (KIX)
7545 723 159 120 TPG Internet Pty Ltd
18101 607 119 52 Reliance Infocom Ltd Internet
1221 594 1951 438 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 523 858 76 China Telecom (Shanghai)
4668 518 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 492 785 115 CNCGROUP IP network: China169
4802 487 133 141 Wantree Development
7474 450 201 262 SingTel Optus Pty Ltd
9443 442 121 73 Primus Telecommunications
9942 419 74 109 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 471 1919 384 UUNET - Commercial IP service
24863 375 58 39 LINKdotNET AS number
8551 348 334 33 Bezeq International
9116 334 168 28 Goldenlines main autonomous s
3301 317 1441 294 TeliaNet Sweden
3320 316 6035 263 Deutsche Telekom AG
1273 281 306 105 Cable & Wireless Deutschland
6746 275 129 252 Dynamic Network Technologies,
8708 271 421 243 Romania Data Systems S.A.
8866 268 62 25 Bulgarian Telecommunication C
680 266 2045 254 DFN-IP service G-WiN
3215 264 2504 99 France Telecom Transpac
8220 258 445 238 COLT Telecommunications
5089 237 1658 55 NTL Group Limited
3352 232 1916 40 Ibernet, Internet Access Netw
3269 228 2935 75 TELECOM ITALIA
3300 209 172 98 AUCS Communications Services
1257 207 1194 176 SWIPnet Swedish IP Network
9121 203 1442 25 TTnet Autonomous System
3246 200 257 184 Song Networks
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1521 10239 1008 AT&T WorldNet Services
4323 1343 1006 356 Time Warner Telecom
2386 1240 614 762 AT&T Data Communications Serv
11492 1153 117 39 Cable One
6478 1115 328 197 AT&T Worldnet Services
6197 1031 718 508 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 992 6803 845 Cogent Communications
7011 967 289 558 Citizens Utilities
701 890 6576 698 UUNET Technologies, Inc.
20115 849 774 458 Charter Communications
3561 815 2341 381 Savvis
22773 800 2133 54 Cox Communications, Inc.
19262 792 2853 183 Verizon Global Networks
1239 778 2686 542 Sprint
3356 762 10891 396 Level 3 Communications, LLC
209 732 3784 574 Qwest
5668 662 176 17 CenturyTel Internet Holdings,
577 599 843 208 Bell Advanced Communications
15270 599 161 39 PaeTec.net -a division of Pae
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1473 1406 Videsh Sanchar Nigam Ltd. Aut
11492 1153 1114 Cable One
9583 1125 1110 Sify Limited
18566 1028 1019 Covad Communications
4323 1343 987 Time Warner Telecom
9498 1014 947 BHARTI BT INTERNET LTD.
6478 1115 918 AT&T Worldnet Services
8151 1026 823 UniNet S.A. de C.V.
4134 1098 799 CHINANET-BACKBONE
17488 855 788 Hathway IP Over Cable Interne
22773 800 746 Cox Communications, Inc.
5668 662 645 CenturyTel Internet Holdings,
19262 792 609 Verizon Global Networks
7545 723 603 TPG Internet Pty Ltd
15270 599 560 PaeTec.net -a division of Pae
18101 607 555 Reliance Infocom Ltd Internet
6517 589 555 Yipes Communications, Inc.
6197 1031 523 BellSouth Network Solutions,
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L
65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans
64250 RESERVED 122.167.64.0/19 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.96.0/20 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.112.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.176.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.188.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.192.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.196.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.200.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.204.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.208.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.212.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.216.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.220.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.240.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.242.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.244.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.246.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.0.0/24 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.1.0/24 9498 BHARTI BT INTERNET L
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans
64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In
64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.192/28 6721 The Terminal Bar: In
64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In
64540 PRIVATE 195.47.75.64/28 6721 The Terminal Bar: In
64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In
65002 PRIVATE 198.128.4.0/24 292 Energy Sciences Netw
65001 PRIVATE 198.128.15.96/27 293 Energy Sciences Netw
65002 PRIVATE 198.129.33.36/32 292 Energy Sciences Netw
65001 PRIVATE 198.129.44.28/32 293 Energy Sciences Netw
65002 PRIVATE 198.129.224.96/29 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.32/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.112/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.116/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.120/30 292 Energy Sciences Netw
65535 PRIVATE 200.62.98.0/24 7137 TELEMATIX/ ENITEL
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio
64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
172.31.46.0/24 38416 KRNIC
192.0.2.0/24 2854 RoSprint AS (Global One Russi
192.168.253.0/24 4323 Time Warner Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center
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 /10:16 /11:38 /12:135
/13:274 /14:485 /15:957 /16:9801 /17:4249 /18:6813
/19:14773 /20:17679 /21:15834 /22:20190 /23:21206 /24:126534
/25:902 /26:1123 /27:627 /28:276 /29:194 /30:263
/31:0 /32:71
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1145 1153 Cable One
6478 1114 1115 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 960 1125 Sify Limited
2386 932 1240 AT&T Data Communications Serv
4538 932 2768 China Education and Research
23577 905 914 Korea Telecom (ATM-MPLS)
7011 854 967 Citizens Utilities
4755 844 1473 Videsh Sanchar Nigam Ltd. Aut
7018 841 1521 AT&T WorldNet Services
6197 775 1031 BellSouth Network Solutions,
9498 701 1014 BHARTI BT INTERNET LTD.
17488 674 855 Hathway IP Over Cable Interne
4766 607 816 Korea Telecom (KIX)
4323 567 1343 Time Warner Telecom
19916 564 569 OLM LLC
15270 562 599 PaeTec.net -a division of Pae
6517 544 589 Yipes Communications, Inc.
5668 521 662 CenturyTel Internet Holdings,
4668 508 518 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:87 12:1813 13:1 15:19 16:3
17:5 18:13 20:36 24:1011 25:1 32:174
33:3 38:358 40:64 41:339 43:6 44:2
47:8 52:3 55:3 56:3 57:42 58:508
59:425 60:380 61:988 62:991 63:1988 64:3377
65:2432 66:3635 67:849 68:677 69:2004 70:480
71:121 72:1415 73:6 74:735 75:320 76:157
77:412 78:248 79:4 80:870 81:799 82:595
83:360 84:639 85:841 86:351 87:581 88:283
89:1045 90:39 91:693 92:4 96:1 97:6
98:9 116:419 117:203 118:39 121:325 122:636
123:206 124:702 125:1042 128:276 129:196 130:138
131:367 132:61 133:8 134:194 135:34 136:188
137:86 138:156 139:103 140:509 141:151 142:372
143:254 144:317 145:46 146:328 147:130 148:549
149:189 150:113 151:137 152:86 153:121 154:12
155:261 156:161 157:224 158:160 159:195 160:143
161:99 162:190 163:184 164:503 165:399 166:301
167:307 168:497 169:126 170:407 171:22 172:3
189:118 190:1214 192:5741 193:4027 194:3290 195:2562
196:1000 198:3884 199:3228 200:5236 201:1236 202:7822
203:7869 204:3996 205:2010 206:2447 207:2823 208:2935
209:3620 210:2800 211:1206 212:1368 213:1545 214:417
215:45 216:4163 217:1205 218:388 219:460 220:1012
221:413 222:309
End of report
