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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 10 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 217401
Prefixes after maximum aggregation: 113897
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 100669
Total ASes present in the Internet Routing Table: 24142
Origin-only ASes present in the Internet Routing Table: 21009
Origin ASes announcing only one prefix: 10127
Transit ASes present in the Internet Routing Table: 3133
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 31
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 21
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1654012424
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: 113239
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47606
Total APNIC prefixes after maximum aggregation: 18779
APNIC Deaggregation factor: 2.54
Prefixes being announced from the APNIC address blocks: 45074
Unique aggregates announced from the APNIC address blocks: 19196
APNIC Region origin ASes present in the Internet Routing Table: 2831
APNIC Region origin ASes announcing only one prefix: 789
APNIC Region transit ASes present in the Internet Routing Table: 434
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 274848640
Equivalent to 16 /8s, 97 /16s and 219 /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: 109461
Total ARIN prefixes after maximum aggregation: 61907
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 81695
Unique aggregates announced from the ARIN address blocks: 28744
ARIN Region origin ASes present in the Internet Routing Table: 11273
ARIN Region origin ASes announcing only one prefix: 4302
ARIN Region transit ASes present in the Internet Routing Table: 1046
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 312173792
Equivalent to 18 /8s, 155 /16s and 100 /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: 44085
Total RIPE prefixes after maximum aggregation: 28274
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41036
Unique aggregates announced from the RIPE address blocks: 26443
RIPE Region origin ASes present in the Internet Routing Table: 9044
RIPE Region origin ASes announcing only one prefix: 4729
RIPE Region transit ASes present in the Internet Routing Table: 1453
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 283763232
Equivalent to 16 /8s, 233 /16s and 226 /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: 13616
Total LACNIC prefixes after maximum aggregation: 3951
LACNIC Deaggregation factor: 3.45
Prefixes being announced from the LACNIC address blocks: 11693
Unique aggregates announced from the LACNIC address blocks: 6815
LACNIC Region origin ASes present in the Internet Routing Table: 755
LACNIC Region origin ASes announcing only one prefix: 254
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 36052480
Equivalent to 2 /8s, 38 /16s and 30 /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: 2613
Total AfriNIC prefixes after maximum aggregation: 986
AfriNIC Deaggregation factor: 2.65
Prefixes being announced from the AfriNIC address blocks: 1851
Unique aggregates announced from the AfriNIC address blocks: 1059
AfriNIC Region origin ASes present in the Internet Routing Table: 174
AfriNIC Region origin ASes announcing only one prefix: 53
AfriNIC Region transit ASes present in the Internet Routing Table: 33
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5352192
Equivalent to 0 /8s, 81 /16s and 171 /24s
Percentage of available AfriNIC address space announced: 16.0
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 1070 384 67 Videsh Sanchar Nigam Ltd. Aut
9583 1021 99 65 Sify Limited
9498 909 467 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 617 1714 459 Telstra Pty Ltd
17488 565 35 21 Hathway IP Over Cable Interne
7545 557 126 74 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 493 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 373 129 12 PT TELEKOMUNIKASI INDONESIA
4802 361 86 149 Wantree Development
17557 357 35 168 Pakistan Telecom
17849 353 33 93 Telecommunications Technology
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 545 1912 424 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 275 473 265 COLT Telecommunications
6746 264 93 242 Dynamic Network Technologies,
680 257 2042 251 DFN-IP service G-WiN
1257 249 1069 172 SWIPnet Swedish IP Network
5089 243 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 208 353 195 Song Networks
5416 206 13 9 BATELCO-BH
8551 197 197 24 Bezeq International
3300 184 171 94 AUCS Communications Services
3352 176 1767 31 Ibernet, Internet Access Netw
20858 175 34 3 This AS will be used to conne
12479 174 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4832 6675 748 UUNET Technologies, Inc.
7018 1541 6153 994 AT&T WorldNet Services
705 1403 552 606 UUNET Technologies, Inc.
2386 1103 585 731 AT&T Data Communications Serv
4323 1057 821 294 Time Warner Telecom
6197 1021 639 500 BellSouth Network Solutions,
18566 983 272 8 Covad Communications
174 934 6790 865 Cogent Communications
11492 889 99 18 Cable One
1239 835 2731 580 Sprint
19262 811 2538 182 Verizon Global Networks
7046 796 267 655 UUNET Technologies, Inc.
20115 769 671 414 Charter Communications
721 765 21901 294 DLA Systems Automation Center
209 720 3764 566 Qwest
22773 715 1744 41 Cox Communications, Inc.
7011 691 211 432 Citizens Utilities
852 618 1092 392 Telus Advanced Communications
577 574 744 212 Bell Advanced Communications
5668 568 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1070 1003 Videsh Sanchar Nigam Ltd. Aut
4134 1261 998 CHINANET-BACKBONE
18566 983 975 Covad Communications
9583 1021 956 Sify Limited
11492 889 871 Cable One
9498 909 844 BHARTI BT INTERNET LTD.
4538 864 828 China Education and Research
705 1403 797 UUNET Technologies, Inc.
4323 1057 763 Time Warner Telecom
22773 715 674 Cox Communications, Inc.
19262 811 629 Verizon Global Networks
8151 824 621 UniNet S.A. de C.V.
5668 568 549 CenturyTel Internet Holdings,
7018 1541 547 AT&T WorldNet Services
17488 565 544 Hathway IP Over Cable Interne
6197 1021 521 BellSouth Network Solutions,
19916 567 510 OLM LLC
11830 504 495 Instituto Costarricense de El
7545 557 483 TPG Internet Pty Ltd
721 765 471 DLA Systems Automation Center
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
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
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
65018 PRIVATE 213.235.24.216/29 8190 VIATEL
65017 PRIVATE 213.235.48.96/28 8190 VIATEL
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 2854 RoSprint AS (Global One Russi
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 /12:117
/13:240 /14:412 /15:806 /16:9143 /17:3696 /18:6042
/19:13122 /20:14724 /21:13408 /22:17167 /23:18558 /24:117274
/25:713 /26:524 /27:438 /28:196 /29:153 /30:492
/31:0 /32:103
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3600 4832 UUNET Technologies, Inc.
18566 966 983 Covad Communications
11492 875 889 Cable One
705 863 1403 UUNET Technologies, Inc.
9583 850 1021 Sify Limited
7018 834 1541 AT&T WorldNet Services
2386 829 1103 AT&T Data Communications Serv
6197 794 1021 BellSouth Network Solutions,
23577 758 772 KRNIC
7011 595 691 Citizens Utilities
4766 569 760 Korea Telecom (KIX)
9498 569 909 BHARTI BT INTERNET LTD.
19916 562 567 OLM LLC
7046 551 796 UUNET Technologies, Inc.
4538 532 864 China Education and Research
4755 485 1070 Videsh Sanchar Nigam Ltd. Aut
15270 463 495 PaeTec.net -a division of Pae
5668 439 568 CenturyTel Internet Holdings,
855 432 535 Canadian Research Network
18101 427 493 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:61 9:1 12:1675 13:1 15:15
16:3 17:3 18:5 20:36 24:865 25:1
32:176 38:274 40:57 41:56 44:2 47:10
52:4 53:1 55:1 56:3 57:52 58:291
59:383 60:191 61:975 62:1163 63:3331 64:3304
65:3628 66:3165 67:717 68:655 69:1719 70:407
71:129 72:1120 74:125 75:51 76:18 80:825
81:789 82:669 83:357 84:492 85:791 86:435
87:455 88:254 89:728 90:3 91:127 97:1
121:118 122:55 123:8 124:510 125:763 128:312
129:219 130:125 131:316 132:49 133:11 134:177
135:44 136:179 137:114 138:184 139:106 140:514
141:134 142:369 143:212 144:265 145:67 146:319
147:140 148:364 149:193 150:113 151:117 152:91
153:119 154:6 155:243 156:150 157:154 158:166
159:141 160:99 161:103 162:225 163:159 164:246
165:237 166:243 167:283 168:482 169:121 170:365
171:12 172:1 189:49 190:330 192:5806 193:3639
194:2939 195:2313 196:976 198:3928 199:3351 200:4638
201:950 202:7297 203:7339 204:4102 205:2228 206:2660
207:3138 208:3081 209:3703 210:2429 211:971 212:1374
213:1489 214:388 215:39 216:4244 217:1351 218:376
219:295 220:836 221:377 222:286
End of report
