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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 20 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 202911
Prefixes after maximum aggregation: 106812
Unique aggregates announced to Internet: 93411
Total ASes present in the Internet Routing Table: 22564
Origin-only ASes present in the Internet Routing Table: 19597
Origin ASes announcing only one prefix: 9368
Transit ASes present in the Internet Routing Table: 2967
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 22
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 33
Unregistered ASNs in the Routing Table: 25
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 60
Number of addresses announced to Internet: 2006863575
Equivalent to 119 /8s, 158 /16s and 78 /24s
Percentage of available address space announced: 54.1
Percentage of allocated address space announced: 78.3
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 104415
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40721
Total APNIC prefixes after maximum aggregation: 16910
Prefixes being announced from the APNIC address blocks: 38345
Unique aggregates announced from the APNIC address blocks: 18388
APNIC Region origin ASes present in the Internet Routing Table: 2613
APNIC Region origin ASes announcing only one prefix: 745
APNIC Region transit ASes present in the Internet Routing Table: 396
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 285496261
Equivalent to 17 /8s, 4 /16s and 83 /24s
Percentage of available APNIC address space announced: 89.3
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, 121/8, 122/7, 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: 108748
Total ARIN prefixes after maximum aggregation: 59480
Prefixes being announced from the ARIN address blocks: 81099
Unique aggregates announced from the ARIN address blocks: 26898
ARIN Region origin ASes present in the Internet Routing Table: 10801
ARIN Region origin ASes announcing only one prefix: 4056
ARIN Region transit ASes present in the Internet Routing Table: 1020
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 294233377
Equivalent to 17 /8s, 137 /16s and 165 /24s
Percentage of available ARIN address space announced: 76.3
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, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 39585
Total RIPE prefixes after maximum aggregation: 25782
Prefixes being announced from the RIPE address blocks: 36948
Unique aggregates announced from the RIPE address blocks: 23759
RIPE Region origin ASes present in the Internet Routing Table: 8220
RIPE Region origin ASes announcing only one prefix: 4291
RIPE Region transit ASes present in the Internet Routing Table: 1362
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 253939328
Equivalent to 15 /8s, 34 /16s and 206 /24s
Percentage of available RIPE address space announced: 79.7
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
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11566
Total LACNIC prefixes after maximum aggregation: 3724
Prefixes being announced from the LACNIC address blocks: 9727
Unique aggregates announced from the LACNIC address blocks: 5549
LACNIC Region origin ASes present in the Internet Routing Table: 698
LACNIC Region origin ASes announcing only one prefix: 232
LACNIC Region transit ASes present in the Internet Routing Table: 134
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 27615232
Equivalent to 1 /8s, 165 /16s and 96 /24s
Percentage of available LACNIC address space announced: 41.1
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: 2266
Total AfriNIC prefixes after maximum aggregation: 916
Prefixes being announced from the AfriNIC address blocks: 1554
Unique aggregates announced from the AfriNIC address blocks: 935
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4134912
Equivalent to 0 /8s, 63 /16s and 24 /24s
Percentage of available AfriNIC address space announced: 12.3
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 921 256 72 Videsh Sanchar Nigam Ltd. Aut
9583 904 109 16 Sify Limited
4134 715 4977 177 CHINANET-BACKBONE
4766 714 4435 309 Korea Telecom (KIX)
9498 659 211 68 BHARTI BT INTERNET LTD.
1221 650 1668 482 Telstra Pty Ltd
7545 547 124 71 TPG Internet Pty Ltd
17488 519 32 10 Hathway IP Over Cable Interne
17676 488 7061 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4538 443 2717 31 China Education and Research
18101 413 85 24 Reliance Infocom Ltd Internet
17557 401 31 180 Pakistan Telecom
9929 387 254 65 China Netcom Corp.
17974 384 129 14 PT TELEKOMUNIKASI INDONESIA
4802 382 81 169 Wantree Development
4780 365 225 27 Digital United Inc.
7474 364 211 229 SingTel Optus Pty Ltd
2907 343 1782 317 SINET Japan
4804 305 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 688 1951 451 UUNET - Commercial IP service
3215 403 1680 93 France Telecom Transpac
3301 315 1343 300 TeliaNet Sweden
3352 305 1639 33 Ibernet, Internet Access Netw
3320 287 3988 241 Deutsche Telekom AG
8220 283 471 267 COLT Telecommunications
680 239 2008 236 DFN-IP service G-WiN
5089 236 1691 45 NTL Group Limited
6746 236 89 211 Dynamic Network Technologies,
3246 235 499 225 Song Networks
1257 221 741 166 SWIPnet Swedish IP Network
8708 216 275 202 Romania Data Systems S.A.
24863 216 42 10 LINKdotNET AS number
3269 201 2182 72 TELECOM ITALIA
8551 198 194 35 Bezeq International
30890 194 17 72 SC Kappa Invexim SRL
8866 183 37 15 Bulgarian Telecommunication C
5400 175 348 141 BT Ignite European Backbone
6830 173 781 36 UPC Distribution Services
786 172 1778 172 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5038 6752 776 UUNET Technologies, Inc.
4323 3144 744 264 Time Warner Telecom
705 1584 579 703 UUNET Technologies, Inc.
7018 1476 6253 954 AT&T WorldNet Services
721 1015 21998 314 DLA Systems Automation Center
6197 1013 629 474 BellSouth Network Solutions,
174 970 5788 903 Cogent Communications
19029 948 151 109 New Edge Networks
18566 943 272 8 Covad Communications
2386 910 560 703 AT&T Data Communications Serv
1239 851 2774 603 Sprint
7046 848 253 704 UUNET Technologies, Inc.
20115 713 617 387 Charter Communications
19262 710 2105 183 Verizon Global Networks
209 707 3687 549 Qwest
22773 666 1741 40 Cox Communications, Inc.
7011 639 218 414 Citizens Utilities
11492 633 87 23 Cable One
6461 605 227 83 AboveNet Communications, Inc.
852 597 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3144 2880 Time Warner Telecom
18566 943 935 Covad Communications
9583 904 888 Sify Limited
705 1584 881 UUNET Technologies, Inc.
4755 921 849 Videsh Sanchar Nigam Ltd. Aut
19029 948 839 New Edge Networks
721 1015 701 DLA Systems Automation Center
22773 666 626 Cox Communications, Inc.
11492 633 610 Cable One
9498 659 591 BHARTI BT INTERNET LTD.
6197 1013 539 BellSouth Network Solutions,
4134 715 538 CHINANET-BACKBONE
19262 710 527 Verizon Global Networks
7018 1476 522 AT&T WorldNet Services
6461 605 522 AboveNet Communications, Inc.
19916 563 509 OLM LLC
17488 519 509 Hathway IP Over Cable Interne
5668 529 506 CenturyTel Internet Holdings,
855 548 486 Canadian Research Network
8151 691 478 UniNet S.A. de C.V.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
64920 PRIVATE 60.23.240.0/20 4837 chinanet IDC center
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65516 PRIVATE 84.221.200.0/23 3257 Tiscali Intl Network
65516 PRIVATE 84.222.96.0/22 3257 Tiscali Intl Network
64704 PRIVATE 86.70.139.0/24 34383 TELOISE
39784 UNALLOCATED 87.254.208.0/24 1299 TeliaNet Global Netw
65005 PRIVATE 129.26.0.0/16 680 DFN-IP service G-WiN
65005 PRIVATE 192.54.34.0/23 680 DFN-IP service G-WiN
65005 PRIVATE 192.76.241.0/24 680 DFN-IP service G-WiN
65005 PRIVATE 192.76.245.0/24 680 DFN-IP service G-WiN
65005 PRIVATE 192.76.246.0/23 680 DFN-IP service G-WiN
65005 PRIVATE 192.76.248.0/24 680 DFN-IP service G-WiN
41133 UNALLOCATED 192.165.107.0/24 16150 Port80 AB, Sweden
41133 UNALLOCATED 192.165.224.0/22 16150 Port80 AB, Sweden
39675 UNALLOCATED 195.5.102.0/23 6747 Lattelekom
41108 UNALLOCATED 195.64.162.0/23 13302 RIPE Network Coordin
41080 UNALLOCATED 195.189.192.0/23 8732 AS for Moscow Teleco
39506 UNALLOCATED 195.210.42.0/23 174 Cogent Communication
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet
65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
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
0.0.0.0/8 3303 Swisscom Ltd
172.16.2.32/27 6325 Illinois Century Network
172.16.2.80/28 6325 Illinois Century Network
172.31.31.0/30 6325 Illinois Century Network
192.168.83.0/24 292 Energy Sciences Network
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
96.0.0.0/9 1660 ANS Communications
96.128.0.0/9 1660 ANS Communications
97.0.0.0/9 1660 ANS Communications
97.128.0.0/9 1660 ANS Communications
98.0.0.0/9 1660 ANS Communications
98.128.0.0/9 1660 ANS Communications
99.0.0.0/9 1660 ANS Communications
99.128.0.0/9 1660 ANS Communications
100.0.0.0/9 1660 ANS Communications
100.128.0.0/9 1660 ANS Communications
101.0.0.0/9 1660 ANS Communications
101.128.0.0/9 1660 ANS Communications
102.0.0.0/9 1660 ANS Communications
102.128.0.0/9 1660 ANS Communications
103.0.0.0/9 1660 ANS Communications
103.128.0.0/9 1660 ANS Communications
104.0.0.0/9 1660 ANS Communications
104.128.0.0/9 1660 ANS Communications
105.0.0.0/9 1660 ANS Communications
105.128.0.0/9 1660 ANS Communications
106.0.0.0/9 1660 ANS Communications
106.128.0.0/9 1660 ANS Communications
107.0.0.0/9 1660 ANS Communications
107.128.0.0/9 1660 ANS Communications
108.0.0.0/9 1660 ANS Communications
108.128.0.0/9 1660 ANS Communications
109.0.0.0/9 1660 ANS Communications
109.128.0.0/9 1660 ANS Communications
110.0.0.0/9 1660 ANS Communications
110.128.0.0/9 1660 ANS Communications
111.0.0.0/9 1660 ANS Communications
111.128.0.0/9 1660 ANS Communications
112.0.0.0/9 1660 ANS Communications
112.128.0.0/9 1660 ANS Communications
113.0.0.0/9 1660 ANS Communications
113.128.0.0/9 1660 ANS Communications
114.0.0.0/9 1660 ANS Communications
114.128.0.0/9 1660 ANS Communications
115.0.0.0/9 1660 ANS Communications
115.128.0.0/9 1660 ANS Communications
116.0.0.0/9 1660 ANS Communications
116.128.0.0/9 1660 ANS Communications
117.0.0.0/9 1660 ANS Communications
117.128.0.0/9 1660 ANS Communications
118.0.0.0/9 1660 ANS Communications
118.128.0.0/9 1660 ANS Communications
119.0.0.0/9 1660 ANS Communications
119.128.0.0/9 1660 ANS Communications
120.0.0.0/9 1660 ANS Communications
120.128.0.0/9 1660 ANS Communications
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
192.84.205.0/24 719 LANLINK autonomous system
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 /9:67 /10:10 /11:28 /12:90
/13:200 /14:346 /15:699 /16:8811 /17:3187 /18:5340
/19:11755 /20:13397 /21:11965 /22:15312 /23:16668 /24:112893
/25:463 /26:398 /27:284 /28:207 /29:220 /30:455
/31:0 /32:98
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3779 5038 UUNET Technologies, Inc.
4323 1868 3144 Time Warner Telecom
705 1020 1584 UUNET Technologies, Inc.
18566 926 943 Covad Communications
19029 879 948 New Edge Networks
6197 796 1013 BellSouth Network Solutions,
7018 782 1476 AT&T WorldNet Services
9583 735 904 Sify Limited
2386 631 910 AT&T Data Communications Serv
11492 624 633 Cable One
7046 601 848 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 548 639 Citizens Utilities
6461 533 605 AboveNet Communications, Inc.
4766 525 714 Korea Telecom (KIX)
702 471 688 UUNET - Commercial IP service
2686 468 513 IBM
855 424 548 Canadian Research Network
5668 412 529 CenturyTel Internet Holdings,
15270 406 437 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:43 12:1637 13:1 15:16
16:3 17:3 18:4 20:41 24:767 25:1
30:2 32:246 38:231 40:54 41:2 44:3
47:6 52:4 55:1 56:3 57:44 58:190
59:247 60:190 61:877 62:918 63:3432 64:3548
65:3617 66:3736 67:653 68:672 69:1555 70:396
71:82 72:770 74:45 80:796 81:667 82:656
83:434 84:396 85:569 86:387 87:369 88:120
89:264 121:1 122:2 123:1 124:280 125:524
128:171 129:188 130:119 131:317 132:34 133:9
134:159 135:48 136:174 137:82 138:206 139:153
140:468 141:134 142:405 143:166 144:222 145:40
146:319 147:141 148:318 149:190 150:114 151:93
152:72 153:106 154:6 155:204 156:98 157:148
158:169 159:173 160:91 161:80 162:244 163:153
164:224 165:217 166:171 167:246 168:607 169:128
170:336 171:14 183:1 190:77 192:5853 193:3386
194:2766 195:2070 196:884 198:4038 199:3299 200:4489
201:1012 202:6855 203:7123 204:4090 205:2168 206:2796
207:3551 208:2946 209:4190 210:2091 211:736 212:1394
213:1574 214:363 215:41 216:4595 217:1378 218:310
219:265 220:722 221:359 222:198
End of report
