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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 03 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/2007/05/03/1100
Analysis Summary
----------------
BGP routing table entries examined: 229631
Prefixes after maximum aggregation: 119254
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 105421
Total ASes present in the Internet Routing Table: 25190
Prefixes per ASN: 9.12
Origin-only ASes present in the Internet Routing Table: 21873
Origin ASes announcing only one prefix: 10583
Transit ASes present in the Internet Routing Table: 3317
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 22
Max AS path prepend of ASN (17697) 13
Prefixes from unregistered ASNs in the Routing Table: 51
Unregistered ASNs in the Routing Table: 35
Prefixes from 32-bit ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1716820460
Equivalent to 102 /8s, 84 /16s and 153 /24s
Percentage of available address space announced: 46.3
Percentage of allocated address space announced: 62.9
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 122700
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 51736
Total APNIC prefixes after maximum aggregation: 20455
APNIC Deaggregation factor: 2.53
Prefixes being announced from the APNIC address blocks: 48629
Unique aggregates announced from the APNIC address blocks: 21123
APNIC Region origin ASes present in the Internet Routing Table: 2943
APNIC Prefixes per ASN: 16.52
APNIC Region origin ASes announcing only one prefix: 783
APNIC Region transit ASes present in the Internet Routing Table: 449
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 292735340
Equivalent to 17 /8s, 114 /16s and 201 /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: 113132
Total ARIN prefixes after maximum aggregation: 63301
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 84277
Unique aggregates announced from the ARIN address blocks: 30437
ARIN Region origin ASes present in the Internet Routing Table: 11585
ARIN Prefixes per ASN: 7.27
ARIN Region origin ASes announcing only one prefix: 4447
ARIN Region transit ASes present in the Internet Routing Table: 1096
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 331046368
Equivalent to 19 /8s, 187 /16s and 93 /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: 47061
Total RIPE prefixes after maximum aggregation: 30338
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43735
Unique aggregates announced from the RIPE address blocks: 26899
RIPE Region origin ASes present in the Internet Routing Table: 9607
RIPE Prefixes per ASN: 4.55
RIPE Region origin ASes announcing only one prefix: 5042
RIPE Region transit ASes present in the Internet Routing Table: 1556
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 306320448
Equivalent to 18 /8s, 66 /16s and 20 /24s
Percentage of available RIPE address space announced: 76.1
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: 14974
Total LACNIC prefixes after maximum aggregation: 4118
LACNIC Deaggregation factor: 3.64
Prefixes being announced from the LACNIC address blocks: 13051
Unique aggregates announced from the LACNIC address blocks: 7164
LACNIC Region origin ASes present in the Internet Routing Table: 788
LACNIC Prefixes per ASN: 16.56
LACNIC Region origin ASes announcing only one prefix: 254
LACNIC Region transit ASes present in the Internet Routing Table: 143
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 38433792
Equivalent to 2 /8s, 74 /16s and 116 /24s
Percentage of available LACNIC address space announced: 57.3
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: 2675
Total AfriNIC prefixes after maximum aggregation: 1034
AfriNIC Deaggregation factor: 2.59
Prefixes being announced from the AfriNIC address blocks: 2020
Unique aggregates announced from the AfriNIC address blocks: 1190
AfriNIC Region origin ASes present in the Internet Routing Table: 188
AfriNIC Prefixes per ASN: 10.74
AfriNIC Region origin ASes announcing only one prefix: 57
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: 15
Number of AfriNIC addresses announced to Internet: 6066688
Equivalent to 0 /8s, 92 /16s and 146 /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 1200 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1098 79 386 Sify Limited
9498 972 469 73 BHARTI BT INTERNET LTD.
23577 926 35 823 Korea Telecom (ATM-MPLS)
4766 784 4943 312 Korea Telecom (KIX)
17488 672 44 34 Hathway IP Over Cable Interne
7545 629 142 81 TPG Internet Pty Ltd
1221 583 1954 434 Telstra Pty Ltd
18101 533 116 28 Reliance Infocom Ltd Internet
4668 507 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 481 217 270 SingTel Optus Pty Ltd
4812 466 799 75 China Telecom (Shanghai)
9443 459 115 75 Primus Telecommunications
9942 447 77 119 COMindico Australia
9829 365 275 21 BSNL National Internet Backbo
17557 360 35 171 Pakistan Telecom
4802 359 86 146 Wantree Development
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 911 913 651 Telenor Internet Access
702 519 1925 413 UUNET - Commercial IP service
24863 342 47 30 LINKdotNET AS number
3352 340 1799 33 Ibernet, Internet Access Netw
3301 310 1455 290 TeliaNet Sweden
3320 304 4994 251 Deutsche Telekom AG
5089 288 1657 52 NTL Group Limited
6746 274 127 251 Dynamic Network Technologies,
8220 260 461 251 COLT Telecommunications
680 257 2044 250 DFN-IP service G-WiN
3215 240 2256 92 France Telecom Transpac
8708 236 287 229 Romania Data Systems S.A.
1257 235 1180 168 SWIPnet Swedish IP Network
3269 215 2583 73 TELECOM ITALIA
3246 212 341 198 Song Networks
8551 208 197 27 Bezeq International
30890 206 17 95 SC Kappa Invexim SRL
20858 196 34 4 EgyNet
3300 189 171 88 AUCS Communications Services
9116 189 134 24 Goldenlines main autonomous s
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4922 6661 723 UUNET Technologies, Inc.
7018 1507 10214 996 AT&T WorldNet Services
4323 1261 1022 360 Time Warner Telecom
2386 1138 580 756 AT&T Data Communications Serv
6478 1092 337 132 AT&T Worldnet Services
11492 1056 103 20 Cable One
6197 1033 688 503 BellSouth Network Solutions,
18566 1001 288 9 Covad Communications
174 949 6727 863 Cogent Communications
705 926 513 443 UUNET Technologies, Inc.
20115 822 738 430 Charter Communications
1239 803 2700 568 Sprint
7011 789 226 470 Citizens Utilities
7046 788 263 646 UUNET Technologies, Inc.
19262 744 2574 186 Verizon Global Networks
209 731 3718 583 Qwest
22773 708 1872 42 Cox Communications, Inc.
577 643 777 204 Bell Advanced Communications
721 609 21756 273 DLA Systems Automation Center
852 607 1080 374 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1200 1128 Videsh Sanchar Nigam Ltd. Aut
11492 1056 1036 Cable One
4134 1281 1006 CHINANET-BACKBONE
18566 1001 992 Covad Communications
6478 1092 960 AT&T Worldnet Services
8151 1158 959 UniNet S.A. de C.V.
4323 1261 901 Time Warner Telecom
9498 972 899 BHARTI BT INTERNET LTD.
9583 1098 712 Sify Limited
22773 708 666 Cox Communications, Inc.
17488 672 638 Hathway IP Over Cable Interne
5668 596 579 CenturyTel Internet Holdings,
19262 744 558 Verizon Global Networks
7545 629 548 TPG Internet Pty Ltd
6197 1033 530 BellSouth Network Solutions,
19916 568 517 OLM LLC
7018 1507 511 AT&T WorldNet Services
18101 533 505 Reliance Infocom Ltd Internet
4668 507 497 LG-EDS Systems Inc.
855 562 496 Canadian Research Network
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
65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global
65075 PRIVATE 65.127.220.0/23 10886 University of Maryla
65500 PRIVATE 66.225.141.0/24 16796 RealtyIQ.com
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
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
65530 PRIVATE 192.147.68.0/24 2901 New Mexico Technet
65500 PRIVATE 192.239.84.0/24 10886 University of Maryla
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.
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
65000 PRIVATE 199.133.62.0/24 10886 University of Maryla
65000 PRIVATE 199.133.63.0/24 10886 University of Maryla
65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
65534 PRIVATE 203.222.150.0/24 4817 Techex Primary Netbl
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
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
65001 PRIVATE 216.240.208.0/20 6325 Illinois Century Net
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
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:9 /10:13 /11:34 /12:125
/13:250 /14:452 /15:870 /16:9411 /17:3909 /18:6481
/19:13593 /20:15560 /21:14095 /22:18512 /23:19999 /24:122576
/25:1009 /26:1118 /27:571 /28:254 /29:199 /30:466
/31:0 /32:105
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3685 4922 UUNET Technologies, Inc.
6478 1083 1092 AT&T Worldnet Services
11492 1042 1056 Cable One
18566 983 1001 Covad Communications
9583 936 1098 Sify Limited
23577 912 926 Korea Telecom (ATM-MPLS)
2386 832 1138 AT&T Data Communications Serv
7018 813 1507 AT&T WorldNet Services
2119 810 911 Telenor Internet Access
6197 794 1033 BellSouth Network Solutions,
7011 692 789 Citizens Utilities
9498 636 972 BHARTI BT INTERNET LTD.
4755 598 1200 Videsh Sanchar Nigam Ltd. Aut
705 596 926 UUNET Technologies, Inc.
4766 590 784 Korea Telecom (KIX)
19916 563 568 OLM LLC
8151 558 1158 UniNet S.A. de C.V.
7046 539 788 UUNET Technologies, Inc.
4323 520 1261 Time Warner Telecom
4668 496 507 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 7:1 8:78 9:3 10:1
12:1827 15:19 16:3 17:3 18:8 20:37
24:928 25:1 32:174 38:302 40:57 41:128
43:6 44:2 47:4 52:4 55:2 56:3
57:53 58:397 59:371 60:275 61:942 62:1014
63:3378 64:3197 65:3701 66:3359 67:817 68:637
69:1840 70:504 71:103 72:1303 73:1 74:437
75:259 76:44 77:174 80:933 81:859 82:722
83:405 84:435 85:788 86:363 87:453 88:262
89:854 90:24 91:269 97:6 116:55 121:179
122:520 123:97 124:796 125:924 128:278 129:220
130:123 131:349 132:52 133:11 134:193 135:39
136:183 137:83 138:197 139:117 140:483 141:166
142:393 143:213 144:289 145:43 146:322 147:148
148:398 149:145 150:115 151:145 152:94 153:120
154:5 155:252 156:155 157:184 158:160 159:156
160:105 161:92 162:235 163:146 164:461 165:405
166:234 167:279 168:495 169:120 170:399 171:16
172:1 189:396 190:593 192:5831 193:3820 194:3136
195:2282 196:998 198:3872 199:3386 200:4758 201:978
202:7332 203:7516 204:4097 205:2198 206:2568 207:3139
208:3313 209:3731 210:2492 211:981 212:1361 213:1503
214:406 215:41 216:4181 217:1140 218:375 219:360
220:953 221:400 222:269
End of report
