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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 11 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 217542
Prefixes after maximum aggregation: 113863
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 100664
Total ASes present in the Internet Routing Table: 24153
Origin-only ASes present in the Internet Routing Table: 20991
Origin ASes announcing only one prefix: 10146
Transit ASes present in the Internet Routing Table: 3162
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 5.8
Max AS path length visible: 33
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 23
Unregistered ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1654012552
Equivalent to 98 /8s, 150 /16s and 58 /24s
Percentage of available address space announced: 44.6
Percentage of allocated address space announced: 63.3
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 113316
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47630
Total APNIC prefixes after maximum aggregation: 18745
APNIC Deaggregation factor: 2.54
Prefixes being announced from the APNIC address blocks: 45103
Unique aggregates announced from the APNIC address blocks: 19205
APNIC Region origin ASes present in the Internet Routing Table: 2837
APNIC Region origin ASes announcing only one prefix: 795
APNIC Region transit ASes present in the Internet Routing Table: 430
Average APNIC Region AS path length visible: 6.4
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 274838912
Equivalent to 16 /8s, 97 /16s and 181 /24s
Percentage of available APNIC address space announced: 85.9
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, 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: 109494
Total ARIN prefixes after maximum aggregation: 61889
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 81715
Unique aggregates announced from the ARIN address blocks: 28756
ARIN Region origin ASes present in the Internet Routing Table: 11270
ARIN Region origin ASes announcing only one prefix: 4305
ARIN Region transit ASes present in the Internet Routing Table: 1064
Average ARIN Region AS path length visible: 5.6
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 312212448
Equivalent to 18 /8s, 155 /16s and 251 /24s
Percentage of available ARIN address space announced: 68.9
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: 44160
Total RIPE prefixes after maximum aggregation: 28287
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41080
Unique aggregates announced from the RIPE address blocks: 26401
RIPE Region origin ASes present in the Internet Routing Table: 9053
RIPE Region origin ASes announcing only one prefix: 4742
RIPE Region transit ASes present in the Internet Routing Table: 1470
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 283814560
Equivalent to 16 /8s, 234 /16s and 170 /24s
Percentage of available RIPE address space announced: 76.9
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
40960-43007
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 13634
Total LACNIC prefixes after maximum aggregation: 3963
LACNIC Deaggregation factor: 3.44
Prefixes being announced from the LACNIC address blocks: 11710
Unique aggregates announced from the LACNIC address blocks: 6820
LACNIC Region origin ASes present in the Internet Routing Table: 755
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 6.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 36059392
Equivalent to 2 /8s, 38 /16s and 57 /24s
Percentage of available LACNIC address space announced: 53.7
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: 2602
Total AfriNIC prefixes after maximum aggregation: 979
AfriNIC Deaggregation factor: 2.66
Prefixes being announced from the AfriNIC address blocks: 1857
Unique aggregates announced from the AfriNIC address blocks: 1068
AfriNIC Region origin ASes present in the Internet Routing Table: 170
AfriNIC Region origin ASes announcing only one prefix: 53
AfriNIC Region transit ASes present in the Internet Routing Table: 29
Average AfriNIC Region AS path length visible: 5.8
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 5342720
Equivalent to 0 /8s, 81 /16s and 134 /24s
Percentage of available AfriNIC address space announced: 15.9
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 1261 8625 263 CHINANET-BACKBONE
4755 1069 384 67 Videsh Sanchar Nigam Ltd. Aut
9583 1031 99 64 Sify Limited
9498 916 467 65 BHARTI BT INTERNET LTD.
4538 864 2909 36 China Education and Research
23577 772 34 701 KRNIC
4766 760 4946 312 Korea Telecom (KIX)
1221 615 1714 458 Telstra Pty Ltd
17488 567 35 22 Hathway IP Over Cable Interne
7545 559 126 74 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 498 87 27 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 441 85 132 COMindico Australia
4812 437 759 69 China Telecom (Shanghai)
7474 381 211 236 SingTel Optus Pty Ltd
17974 374 129 12 PT TELEKOMUNIKASI INDONESIA
4802 361 86 149 Wantree Development
17557 358 35 171 Pakistan Telecom
17849 353 33 93 Telecommunications Technology
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1912 425 UUNET - Commercial IP service
3215 388 2136 96 France Telecom Transpac
24863 386 45 15 LINKdotNET AS number
3301 306 1199 288 TeliaNet Sweden
3320 296 4993 247 Deutsche Telekom AG
8220 273 473 263 COLT Telecommunications
6746 264 93 242 Dynamic Network Technologies,
680 256 2042 250 DFN-IP service G-WiN
1257 250 1069 172 SWIPnet Swedish IP Network
5089 242 1657 52 NTL Group Limited
8708 234 283 221 Romania Data Systems S.A.
3269 211 2375 74 TELECOM ITALIA
30890 210 19 90 SC Kappa Invexim SRL
3246 209 354 196 Song Networks
5416 206 13 9 BATELCO-BH
8551 197 197 24 Bezeq International
3300 185 171 94 AUCS Communications Services
3352 176 1767 31 Ibernet, Internet Access Netw
5400 175 381 141 BT Ignite European Backbone
12479 175 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4835 6674 741 UUNET Technologies, Inc.
7018 1547 6170 1001 AT&T WorldNet Services
705 1402 552 605 UUNET Technologies, Inc.
2386 1103 585 732 AT&T Data Communications Serv
4323 1058 821 297 Time Warner Telecom
6197 1021 639 500 BellSouth Network Solutions,
18566 983 272 8 Covad Communications
174 936 6790 867 Cogent Communications
11492 907 99 14 Cable One
1239 831 2715 578 Sprint
19262 811 2538 182 Verizon Global Networks
7046 795 267 654 UUNET Technologies, Inc.
721 779 21901 294 DLA Systems Automation Center
20115 769 671 414 Charter Communications
209 722 3764 568 Qwest
22773 715 1744 41 Cox Communications, Inc.
7011 680 205 425 Citizens Utilities
852 620 1093 392 Telus Advanced Communications
577 575 744 213 Bell Advanced Communications
5668 570 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1069 1002 Videsh Sanchar Nigam Ltd. Aut
4134 1261 998 CHINANET-BACKBONE
18566 983 975 Covad Communications
9583 1031 967 Sify Limited
11492 907 893 Cable One
9498 916 851 BHARTI BT INTERNET LTD.
4538 864 828 China Education and Research
705 1402 797 UUNET Technologies, Inc.
4323 1058 761 Time Warner Telecom
22773 715 674 Cox Communications, Inc.
19262 811 629 Verizon Global Networks
8151 827 619 UniNet S.A. de C.V.
5668 570 551 CenturyTel Internet Holdings,
7018 1547 546 AT&T WorldNet Services
17488 567 545 Hathway IP Over Cable Interne
6197 1021 521 BellSouth Network Solutions,
19916 567 510 OLM LLC
11830 504 495 Instituto Costarricense de El
721 779 485 DLA Systems Automation Center
7545 559 485 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
64512 PRIVATE 144.16.192.0/24 9583 Sify Limited
65301 PRIVATE 167.21.180.0/22 30641 STATE OF DELAWARE
65301 PRIVATE 167.21.184.0/22 30641 STATE OF DELAWARE
65500 PRIVATE 193.201.219.0/24 25082 ISP Gamma-Key AS
65422 PRIVATE 193.227.230.8/29 35731 Network Technology S
65414 PRIVATE 193.227.230.24/30 35731 Network Technology S
65422 PRIVATE 193.227.230.56/30 35731 Network Technology S
65418 PRIVATE 193.227.230.64/28 35731 Network Technology S
65420 PRIVATE 193.227.230.83/32 35731 Network Technology S
65413 PRIVATE 193.227.230.103/32 35731 Network Technology S
65422 PRIVATE 193.227.230.168/30 35731 Network Technology S
65404 PRIVATE 203.2.172.0/24 9466 UUNET Japan Limited
65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
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
0.0.0.0/0 286 KPNQwest Backbone AS
192.0.2.0/24 812 Rogers WAVE
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
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:10 /10:13 /11:30 /12:118
/13:240 /14:412 /15:808 /16:9142 /17:3703 /18:6041
/19:13127 /20:14733 /21:13433 /22:17166 /23:18557 /24:117394
/25:697 /26:518 /27:441 /28:195 /29:147 /30:491
/31:0 /32:106
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3599 4835 UUNET Technologies, Inc.
18566 966 983 Covad Communications
11492 893 907 Cable One
705 862 1402 UUNET Technologies, Inc.
9583 859 1031 Sify Limited
7018 835 1547 AT&T WorldNet Services
2386 827 1103 AT&T Data Communications Serv
6197 794 1021 BellSouth Network Solutions,
23577 758 772 KRNIC
7011 588 680 Citizens Utilities
9498 577 916 BHARTI BT INTERNET LTD.
4766 569 760 Korea Telecom (KIX)
19916 562 567 OLM LLC
7046 551 795 UUNET Technologies, Inc.
4538 532 864 China Education and Research
4755 485 1069 Videsh Sanchar Nigam Ltd. Aut
15270 463 495 PaeTec.net -a division of Pae
5668 439 570 CenturyTel Internet Holdings,
855 433 536 Canadian Research Network
18101 431 498 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:62 9:1 12:1675 13:1 15:15
16:3 17:3 18:5 20:36 24:874 25:1
32:176 38:273 40:57 41:54 44:2 47:10
52:4 53:1 55:1 56:3 57:52 58:292
59:386 60:191 61:976 62:1193 63:3330 64:3303
65:3631 66:3166 67:716 68:655 69:1723 70:407
71:129 72:1122 74:126 75:51 76:18 80:831
81:790 82:671 83:360 84:492 85:781 86:435
87:455 88:255 89:728 90:3 91:131 97:1
121:118 122:54 123:24 124:521 125:769 128:313
129:219 130:126 131:316 132:49 133:11 134:180
135:44 136:181 137:115 138:189 139:106 140:518
141:135 142:369 143:212 144:266 145:67 146:321
147:141 148:363 149:193 150:113 151:117 152:91
153:119 154:6 155:245 156:156 157:154 158:166
159:141 160:99 161:103 162:225 163:159 164:244
165:237 166:242 167:280 168:482 169:121 170:365
171:12 172:1 189:49 190:330 192:5803 193:3638
194:2938 195:2313 196:986 198:3926 199:3365 200:4639
201:951 202:7303 203:7346 204:4104 205:2234 206:2666
207:3135 208:3076 209:3696 210:2435 211:971 212:1359
213:1474 214:385 215:39 216:4244 217:1354 218:376
219:293 220:839 221:377 222:286
End of report
