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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 30 Apr, 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/2007/04/30/1100
Analysis Summary
----------------
BGP routing table entries examined: 229019
Prefixes after maximum aggregation: 118821
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 105393
Total ASes present in the Internet Routing Table: 25115
Prefixes per ASN: 9.12
Origin-only ASes present in the Internet Routing Table: 21819
Origin ASes announcing only one prefix: 10538
Transit ASes present in the Internet Routing Table: 3296
Transit-only ASes present in the Internet Routing Table: 86
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 22
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 43
Unregistered ASNs in the Routing Table: 28
Prefixes from 32-bit ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 13
Number of addresses announced to Internet: 1732635016
Equivalent to 103 /8s, 69 /16s and 233 /24s
Percentage of available address space announced: 46.7
Percentage of allocated address space announced: 63.5
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 122282
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 51341
Total APNIC prefixes after maximum aggregation: 20303
APNIC Deaggregation factor: 2.53
Prefixes being announced from the APNIC address blocks: 48262
Unique aggregates announced from the APNIC address blocks: 21190
APNIC Region origin ASes present in the Internet Routing Table: 2939
APNIC Prefixes per ASN: 16.42
APNIC Region origin ASes announcing only one prefix: 782
APNIC Region transit ASes present in the Internet Routing Table: 449
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 292507676
Equivalent to 17 /8s, 111 /16s and 80 /24s
Percentage of available APNIC address space announced: 72.5
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: 113083
Total ARIN prefixes after maximum aggregation: 63044
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 84233
Unique aggregates announced from the ARIN address blocks: 30354
ARIN Region origin ASes present in the Internet Routing Table: 11521
ARIN Prefixes per ASN: 7.31
ARIN Region origin ASes announcing only one prefix: 4408
ARIN Region transit ASes present in the Internet Routing Table: 1079
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 330865120
Equivalent to 19 /8s, 184 /16s and 153 /24s
Percentage of available ARIN address space announced: 73.0
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: 46986
Total RIPE prefixes after maximum aggregation: 30302
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43649
Unique aggregates announced from the RIPE address blocks: 26904
RIPE Region origin ASes present in the Internet Routing Table: 9594
RIPE Prefixes per ASN: 4.55
RIPE Region origin ASes announcing only one prefix: 5039
RIPE Region transit ASes present in the Internet Routing Table: 1549
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 305941568
Equivalent to 18 /8s, 60 /16s and 76 /24s
Percentage of available RIPE address space announced: 76.0
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
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 14886
Total LACNIC prefixes after maximum aggregation: 4125
LACNIC Deaggregation factor: 3.61
Prefixes being announced from the LACNIC address blocks: 12985
Unique aggregates announced from the LACNIC address blocks: 7159
LACNIC Region origin ASes present in the Internet Routing Table: 785
LACNIC Prefixes per ASN: 16.54
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 142
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 38381568
Equivalent to 2 /8s, 73 /16s and 168 /24s
Percentage of available LACNIC address space announced: 57.2
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2680
Total AfriNIC prefixes after maximum aggregation: 1041
AfriNIC Deaggregation factor: 2.57
Prefixes being announced from the AfriNIC address blocks: 2034
Unique aggregates announced from the AfriNIC address blocks: 1189
AfriNIC Region origin ASes present in the Internet Routing Table: 189
AfriNIC Prefixes per ASN: 10.76
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 6067712
Equivalent to 0 /8s, 92 /16s and 150 /24s
Percentage of available AfriNIC address space announced: 18.1
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
4134 1280 9523 274 CHINANET-BACKBONE
4755 1196 382 70 Videsh Sanchar Nigam Ltd. Aut
9583 1098 79 380 Sify Limited
9498 974 469 73 BHARTI BT INTERNET LTD.
4766 782 4943 312 Korea Telecom (KIX)
23577 777 35 706 Korea Telecom (ATM-MPLS)
17488 672 44 34 Hathway IP Over Cable Interne
7545 627 142 80 TPG Internet Pty Ltd
1221 587 1954 438 Telstra Pty Ltd
18101 531 116 28 Reliance Infocom Ltd Internet
4668 507 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 476 217 271 SingTel Optus Pty Ltd
4812 464 811 75 China Telecom (Shanghai)
9443 460 115 76 Primus Telecommunications
9942 440 77 119 COMindico Australia
17557 361 35 168 Pakistan Telecom
4802 359 86 146 Wantree Development
9829 355 274 14 BSNL National Internet Backbo
4837 344 4724 158 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 911 929 651 Telenor Internet Access
702 520 1941 414 UUNET - Commercial IP service
3352 357 1799 33 Ibernet, Internet Access Netw
24863 343 47 31 LINKdotNET AS number
3301 309 1455 289 TeliaNet Sweden
3320 301 4993 249 Deutsche Telekom AG
6746 275 127 252 Dynamic Network Technologies,
8220 262 461 252 COLT Telecommunications
680 257 2044 250 DFN-IP service G-WiN
3215 240 2256 92 France Telecom Transpac
1257 237 1180 170 SWIPnet Swedish IP Network
8708 236 287 229 Romania Data Systems S.A.
5089 232 1657 52 NTL Group Limited
3269 215 2583 73 TELECOM ITALIA
3246 211 340 197 Song Networks
8551 208 197 27 Bezeq International
20858 196 34 4 EgyNet
3300 191 171 91 AUCS Communications Services
30890 189 15 94 SC Kappa Invexim SRL
9116 188 134 24 Goldenlines main autonomous s
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4969 6660 730 UUNET Technologies, Inc.
7018 1491 10213 985 AT&T WorldNet Services
4323 1258 1022 356 Time Warner Telecom
2386 1138 580 755 AT&T Data Communications Serv
6478 1089 336 149 AT&T Worldnet Services
11492 1045 103 21 Cable One
6197 1035 687 502 BellSouth Network Solutions,
18566 1001 288 9 Covad Communications
705 973 523 482 UUNET Technologies, Inc.
174 953 6792 865 Cogent Communications
20115 822 734 426 Charter Communications
1239 819 2717 578 Sprint
7046 797 263 652 UUNET Technologies, Inc.
7011 787 226 469 Citizens Utilities
209 731 3749 583 Qwest
19262 725 2587 174 Verizon Global Networks
22773 705 1871 38 Cox Communications, Inc.
577 640 777 202 Bell Advanced Communications
721 615 21756 273 DLA Systems Automation Center
852 609 1096 376 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1196 1126 Videsh Sanchar Nigam Ltd. Aut
11492 1045 1024 Cable One
4134 1280 1006 CHINANET-BACKBONE
18566 1001 992 Covad Communications
6478 1089 940 AT&T Worldnet Services
8151 1117 903 UniNet S.A. de C.V.
4323 1258 902 Time Warner Telecom
9498 974 901 BHARTI BT INTERNET LTD.
9583 1098 718 Sify Limited
22773 705 667 Cox Communications, Inc.
17488 672 638 Hathway IP Over Cable Interne
5668 595 578 CenturyTel Internet Holdings,
19262 725 551 Verizon Global Networks
7545 627 547 TPG Internet Pty Ltd
6197 1035 533 BellSouth Network Solutions,
19916 568 517 OLM LLC
7018 1491 506 AT&T WorldNet Services
18101 531 503 Reliance Infocom Ltd Internet
855 568 497 Canadian Research Network
4668 507 497 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65534 PRIVATE 10.11.12.0/24 10886 University of Maryla
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
64519 PRIVATE 87.198.212.128/25 34245 Magnet Networks AS
64982 PRIVATE 89.207.224.0/24 36385 Google Incorporated
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65027 PRIVATE 135.196.97.168/29 8190 VIATEL
64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In
64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In
64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In
64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In
64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In
64526 PRIVATE 195.47.13.96/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.128/27 6721 The Terminal Bar: In
64542 PRIVATE 195.47.25.192/27 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
64526 PRIVATE 195.47.39.128/26 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.128/26 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.128/25 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.192/26 6721 The Terminal Bar: In
64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In
64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In
64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In
65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
64512 PRIVATE 208.103.63.0/24 32703 Indiana Fiber Networ
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
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
10.11.12.0/24 65534 *
192.0.2.0/24 2854 RoSprint AS (Global One Russi
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.0.0.0/24 41856 Flagmanskaya Sluzhba Svyazi
7.1.1.0/24 1239 Sprint
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
223.0.0.0/8 2905 The Internetworking Company o
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:21 /9:9 /10:13 /11:34 /12:125
/13:250 /14:451 /15:867 /16:9411 /17:3901 /18:6451
/19:13567 /20:15499 /21:14060 /22:18473 /23:19968 /24:122320
/25:1012 /26:1133 /27:603 /28:182 /29:165 /30:415
/31:0 /32:89
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3733 4969 UUNET Technologies, Inc.
6478 1080 1089 AT&T Worldnet Services
11492 1031 1045 Cable One
18566 983 1001 Covad Communications
9583 937 1098 Sify Limited
2386 834 1138 AT&T Data Communications Serv
2119 810 911 Telenor Internet Access
7018 808 1491 AT&T WorldNet Services
6197 796 1035 BellSouth Network Solutions,
23577 763 777 Korea Telecom (ATM-MPLS)
7011 690 787 Citizens Utilities
9498 636 974 BHARTI BT INTERNET LTD.
705 627 973 UUNET Technologies, Inc.
4755 594 1196 Videsh Sanchar Nigam Ltd. Aut
4766 588 782 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 547 797 UUNET Technologies, Inc.
4323 520 1258 Time Warner Telecom
4668 496 507 LG-EDS Systems Inc.
8151 495 1117 UniNet S.A. de C.V.
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 7:1 8:78 9:3 10:1
12:1825 15:19 16:3 17:3 18:8 20:37
24:931 25:1 32:174 38:301 40:57 41:127
43:6 44:2 47:4 52:4 55:2 56:3
57:53 58:390 59:370 60:274 61:937 62:1018
63:3383 64:3212 65:3692 66:3344 67:815 68:639
69:1837 70:505 71:104 72:1284 73:1 74:432
75:258 76:38 77:175 80:931 81:861 82:722
83:403 84:435 85:791 86:365 87:454 88:254
89:857 90:24 91:266 97:6 116:45 121:181
122:519 123:82 124:792 125:934 128:273 129:219
130:123 131:350 132:52 133:10 134:193 135:39
136:181 137:83 138:195 139:115 140:480 141:168
142:394 143:206 144:292 145:43 146:322 147:149
148:398 149:145 150:115 151:145 152:92 153:120
154:5 155:253 156:155 157:185 158:161 159:155
160:104 161:92 162:235 163:146 164:461 165:402
166:234 167:279 168:492 169:119 170:399 171:15
172:1 189:332 190:593 192:5826 193:3816 194:3131
195:2287 196:1011 198:3878 199:3383 200:4760 201:985
202:7259 203:7491 204:4095 205:2200 206:2594 207:3145
208:3295 209:3740 210:2479 211:980 212:1353 213:1506
214:397 215:41 216:4175 217:1139 218:373 219:362
220:944 221:400 222:272
End of report
