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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 02 May, 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/2007/05/02/1100
Analysis Summary
----------------
BGP routing table entries examined: 228280
Prefixes after maximum aggregation: 118927
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 105382
Total ASes present in the Internet Routing Table: 25115
Prefixes per ASN: 9.09
Origin-only ASes present in the Internet Routing Table: 21795
Origin ASes announcing only one prefix: 10535
Transit ASes present in the Internet Routing Table: 3320
Transit-only ASes present in the Internet Routing Table: 88
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 22
Max AS path prepend of ASN (29187) 19
Prefixes from unregistered ASNs in the Routing Table: 41
Unregistered ASNs in the Routing Table: 25
Prefixes from 32-bit ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 13
Number of addresses announced to Internet: 1731628268
Equivalent to 103 /8s, 54 /16s and 140 /24s
Percentage of available address space announced: 46.7
Percentage of allocated address space announced: 63.4
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 121696
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 51520
Total APNIC prefixes after maximum aggregation: 20411
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 48423
Unique aggregates announced from the APNIC address blocks: 21157
APNIC Region origin ASes present in the Internet Routing Table: 2941
APNIC Prefixes per ASN: 16.46
APNIC Region origin ASes announcing only one prefix: 779
APNIC Region transit ASes present in the Internet Routing Table: 453
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 291550124
Equivalent to 17 /8s, 96 /16s and 179 /24s
Percentage of available APNIC address space announced: 72.2
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: 112128
Total ARIN prefixes after maximum aggregation: 63030
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 83514
Unique aggregates announced from the ARIN address blocks: 30395
ARIN Region origin ASes present in the Internet Routing Table: 11515
ARIN Prefixes per ASN: 7.25
ARIN Region origin ASes announcing only one prefix: 4414
ARIN Region transit ASes present in the Internet Routing Table: 1090
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 330954720
Equivalent to 19 /8s, 185 /16s and 247 /24s
Percentage of available ARIN address space announced: 73.1
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: 46977
Total RIPE prefixes after maximum aggregation: 30329
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43637
Unique aggregates announced from the RIPE address blocks: 26882
RIPE Region origin ASes present in the Internet Routing Table: 9592
RIPE Prefixes per ASN: 4.55
RIPE Region origin ASes announcing only one prefix: 5029
RIPE Region transit ASes present in the Internet Routing Table: 1555
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 305939264
Equivalent to 18 /8s, 60 /16s and 67 /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: 14935
Total LACNIC prefixes after maximum aggregation: 4111
LACNIC Deaggregation factor: 3.63
Prefixes being announced from the LACNIC address blocks: 13036
Unique aggregates announced from the LACNIC address blocks: 7158
LACNIC Region origin ASes present in the Internet Routing Table: 787
LACNIC Prefixes per ASN: 16.56
LACNIC Region origin ASes announcing only one prefix: 253
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 38392320
Equivalent to 2 /8s, 73 /16s and 210 /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: 2678
Total AfriNIC prefixes after maximum aggregation: 1038
AfriNIC Deaggregation factor: 2.58
Prefixes being announced from the AfriNIC address blocks: 2028
Unique aggregates announced from the AfriNIC address blocks: 1191
AfriNIC Region origin ASes present in the Internet Routing Table: 191
AfriNIC Prefixes per ASN: 10.62
AfriNIC Region origin ASes announcing only one prefix: 60
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 6068736
Equivalent to 0 /8s, 92 /16s and 154 /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 1281 9587 275 CHINANET-BACKBONE
4755 1203 382 70 Videsh Sanchar Nigam Ltd. Aut
9583 1097 79 379 Sify Limited
9498 973 469 72 BHARTI BT INTERNET LTD.
23577 928 35 824 Korea Telecom (ATM-MPLS)
4766 783 4943 312 Korea Telecom (KIX)
17488 672 44 34 Hathway IP Over Cable Interne
7545 628 142 80 TPG Internet Pty Ltd
1221 585 1954 436 Telstra Pty Ltd
18101 529 116 28 Reliance Infocom Ltd Internet
4668 507 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 478 217 271 SingTel Optus Pty Ltd
4812 465 799 75 China Telecom (Shanghai)
9942 447 77 119 COMindico Australia
9443 435 113 67 Primus Telecommunications
17557 360 35 168 Pakistan Telecom
4802 359 86 146 Wantree Development
9829 358 274 14 BSNL National Internet Backbo
4837 346 4725 160 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
24863 343 47 31 LINKdotNET AS number
3352 340 1799 33 Ibernet, Internet Access Netw
3301 309 1455 289 TeliaNet Sweden
3320 301 4993 249 Deutsche Telekom AG
5089 289 1657 52 NTL Group Limited
6746 273 127 250 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.
3269 215 2583 73 TELECOM ITALIA
3246 211 340 197 Song Networks
8551 208 197 27 Bezeq International
20858 196 34 4 EgyNet
3300 192 171 92 AUCS Communications Services
9116 189 134 24 Goldenlines main autonomous s
30890 189 15 94 SC Kappa Invexim SRL
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4987 6643 731 UUNET Technologies, Inc.
7018 1489 6117 986 AT&T WorldNet Services
4323 1252 1022 353 Time Warner Telecom
2386 1138 580 755 AT&T Data Communications Serv
6478 1092 337 132 AT&T Worldnet Services
11492 1052 103 19 Cable One
6197 1036 688 503 BellSouth Network Solutions,
174 955 6792 870 Cogent Communications
705 952 517 466 UUNET Technologies, Inc.
1239 827 2710 579 Sprint
20115 824 738 431 Charter Communications
7046 794 263 649 UUNET Technologies, Inc.
7011 788 226 469 Citizens Utilities
209 735 3750 587 Qwest
19262 728 2587 177 Verizon Global Networks
22773 703 1871 38 Cox Communications, Inc.
577 641 777 203 Bell Advanced Communications
721 615 21756 273 DLA Systems Automation Center
852 609 1096 376 Telus Advanced Communications
5668 596 160 17 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1203 1133 Videsh Sanchar Nigam Ltd. Aut
11492 1052 1033 Cable One
4134 1281 1006 CHINANET-BACKBONE
8151 1174 964 UniNet S.A. de C.V.
6478 1092 960 AT&T Worldnet Services
9498 973 901 BHARTI BT INTERNET LTD.
4323 1252 899 Time Warner Telecom
9583 1097 718 Sify Limited
22773 703 665 Cox Communications, Inc.
17488 672 638 Hathway IP Over Cable Interne
5668 596 579 CenturyTel Internet Holdings,
19262 728 551 Verizon Global Networks
7545 628 548 TPG Internet Pty Ltd
6197 1036 533 BellSouth Network Solutions,
19916 568 517 OLM LLC
7018 1489 503 AT&T WorldNet Services
18101 529 501 Reliance Infocom Ltd Internet
4668 507 497 LG-EDS Systems Inc.
7029 577 496 Alltel Information Services,
855 567 496 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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
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
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
/13:249 /14:450 /15:867 /16:9398 /17:3907 /18:6467
/19:13569 /20:15499 /21:13844 /22:18440 /23:19593 /24:122246
/25:1003 /26:1110 /27:560 /28:242 /29:183 /30:359
/31:0 /32:92
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3740 4987 UUNET Technologies, Inc.
6478 1083 1092 AT&T Worldnet Services
11492 1038 1052 Cable One
9583 936 1097 Sify Limited
23577 914 928 Korea Telecom (ATM-MPLS)
2386 834 1138 AT&T Data Communications Serv
2119 810 911 Telenor Internet Access
7018 806 1489 AT&T WorldNet Services
6197 797 1036 BellSouth Network Solutions,
7011 691 788 Citizens Utilities
9498 636 973 BHARTI BT INTERNET LTD.
705 615 952 UUNET Technologies, Inc.
4755 598 1203 Videsh Sanchar Nigam Ltd. Aut
4766 589 783 Korea Telecom (KIX)
19916 563 568 OLM LLC
8151 554 1174 UniNet S.A. de C.V.
7046 545 794 UUNET Technologies, Inc.
4323 517 1252 Time Warner Telecom
4668 496 507 LG-EDS Systems Inc.
15270 495 528 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 7:1 8:79 9:1 12:1826
15:19 16:3 17:3 18:8 20:37 24:929
25:1 32:174 38:301 40:57 41:127 43:6
44:2 47:4 52:4 55:2 56:3 57:53
58:397 59:371 60:274 61:940 62:1024 63:3384
64:3180 65:3696 66:3354 67:813 68:631 69:1837
70:500 71:103 72:1283 73:1 74:428 75:259
76:44 77:175 80:932 81:856 82:721 83:403
84:437 85:788 86:349 87:454 88:263 89:843
90:24 91:269 97:6 116:49 121:180 122:520
123:93 124:792 125:914 128:276 129:218 130:124
131:350 132:52 133:11 134:193 135:39 136:181
137:83 138:197 139:117 140:481 141:163 142:394
143:212 144:290 145:43 146:322 147:149 148:397
149:145 150:115 151:142 152:94 153:120 154:5
155:252 156:155 157:184 158:161 159:155 160:105
161:92 162:235 163:145 164:461 165:407 166:235
167:278 168:494 169:119 170:399 171:16 172:1
189:391 190:593 192:5808 193:3811 194:3128 195:2285
196:1005 198:3826 199:3375 200:4757 201:977 202:7290
203:7491 204:4085 205:2195 206:2566 207:3131 208:3313
209:3733 210:2486 211:980 212:1355 213:1506 214:406
215:41 216:4186 217:1143 218:373 219:361 220:933
221:400 222:272
End of report