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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 28 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 212198
Prefixes after maximum aggregation: 110423
Unique aggregates announced to Internet: 96723
Total ASes present in the Internet Routing Table: 23278
Origin-only ASes present in the Internet Routing Table: 20229
Origin ASes announcing only one prefix: 9698
Transit ASes present in the Internet Routing Table: 3049
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 30
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 37
Unregistered ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1593696573
Equivalent to 94 /8s, 253 /16s and 225 /24s
Percentage of available address space announced: 43.0
Percentage of allocated address space announced: 61.0
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 109568
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45094
Total APNIC prefixes after maximum aggregation: 17732
Prefixes being announced from the APNIC address blocks: 42595
Unique aggregates announced from the APNIC address blocks: 18590
APNIC Region origin ASes present in the Internet Routing Table: 2718
APNIC Region origin ASes announcing only one prefix: 759
APNIC Region transit ASes present in the Internet Routing Table: 418
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 262622720
Equivalent to 15 /8s, 167 /16s and 78 /24s
Percentage of available APNIC address space announced: 82.1
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: 111030
Total ARIN prefixes after maximum aggregation: 60993
Prefixes being announced from the ARIN address blocks: 82893
Unique aggregates announced from the ARIN address blocks: 27824
ARIN Region origin ASes present in the Internet Routing Table: 11013
ARIN Region origin ASes announcing only one prefix: 4161
ARIN Region transit ASes present in the Internet Routing Table: 1027
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 302147169
Equivalent to 18 /8s, 2 /16s and 102 /24s
Percentage of available ARIN address space announced: 78.3
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: 41388
Total RIPE prefixes after maximum aggregation: 26959
Prefixes being announced from the RIPE address blocks: 38516
Unique aggregates announced from the RIPE address blocks: 24967
RIPE Region origin ASes present in the Internet Routing Table: 8575
RIPE Region origin ASes announcing only one prefix: 4480
RIPE Region transit ASes present in the Internet Routing Table: 1415
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 266315104
Equivalent to 15 /8s, 223 /16s and 165 /24s
Percentage of available RIPE address space announced: 72.2
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, 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: 12251
Total LACNIC prefixes after maximum aggregation: 3788
Prefixes being announced from the LACNIC address blocks: 10265
Unique aggregates announced from the LACNIC address blocks: 6136
LACNIC Region origin ASes present in the Internet Routing Table: 732
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 135
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 32782848
Equivalent to 1 /8s, 244 /16s and 58 /24s
Percentage of available LACNIC address space announced: 48.9
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: 2399
Total AfriNIC prefixes after maximum aggregation: 951
Prefixes being announced from the AfriNIC address blocks: 1694
Unique aggregates announced from the AfriNIC address blocks: 1069
AfriNIC Region origin ASes present in the Internet Routing Table: 164
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4248320
Equivalent to 0 /8s, 64 /16s and 211 /24s
Percentage of available AfriNIC address space announced: 12.7
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 1239 8140 238 CHINANET-BACKBONE
4755 993 255 62 Videsh Sanchar Nigam Ltd. Aut
9583 953 108 58 Sify Limited
9498 855 212 72 BHARTI BT INTERNET LTD.
4766 767 4436 310 Korea Telecom (KIX)
1221 648 1780 479 Telstra Pty Ltd
4538 599 2718 32 China Education and Research
7545 540 124 74 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
18101 454 85 18 Reliance Infocom Ltd Internet
9443 453 111 74 Primus Telecommunications
9942 430 77 125 COMindico Australia
17849 425 31 128 Telecommunications Technology
4802 412 84 150 Wantree Development
4812 407 741 62 China Telecom (Shanghai)
17974 375 129 12 PT TELEKOMUNIKASI INDONESIA
17557 363 30 173 Pakistan Telecom
7474 355 210 225 SingTel Optus Pty Ltd
2907 341 1734 315 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1929 426 UUNET - Commercial IP service
3215 394 1832 96 France Telecom Transpac
3301 315 1186 299 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 280 455 264 COLT Telecommunications
24863 273 41 30 LINKdotNET AS number
680 251 2041 247 DFN-IP service G-WiN
1257 245 740 170 SWIPnet Swedish IP Network
5089 244 1657 51 NTL Group Limited
6746 240 90 219 Dynamic Network Technologies,
3246 233 486 220 Song Networks
9116 224 134 23 Goldenlines main autonomous s
8708 219 278 206 Romania Data Systems S.A.
3269 204 2262 74 TELECOM ITALIA
30890 202 18 79 SC Kappa Invexim SRL
8551 200 182 27 Bezeq International
6830 199 879 43 UPC Distribution Services
8866 186 37 15 Bulgarian Telecommunication C
5416 182 12 7 BATELCO-BH
3300 177 171 96 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4982 6758 785 UUNET Technologies, Inc.
4323 3288 781 294 Time Warner Telecom
7018 1521 6280 992 AT&T WorldNet Services
705 1473 555 644 UUNET Technologies, Inc.
2386 1168 593 843 AT&T Data Communications Serv
6197 1028 631 490 BellSouth Network Solutions,
174 974 6826 902 Cogent Communications
721 973 21909 306 DLA Systems Automation Center
18566 962 272 8 Covad Communications
1239 845 2780 594 Sprint
7046 820 234 677 UUNET Technologies, Inc.
11492 750 90 13 Cable One
19262 745 2336 187 Verizon Global Networks
20115 743 666 387 Charter Communications
22773 709 1744 43 Cox Communications, Inc.
209 703 3631 552 Qwest
7011 671 209 425 Citizens Utilities
852 599 1069 385 Telus Advanced Communications
6478 588 1269 382 AT&T Worldnet Services
19916 565 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3288 2994 Time Warner Telecom
4134 1239 1001 CHINANET-BACKBONE
18566 962 954 Covad Communications
4755 993 931 Videsh Sanchar Nigam Ltd. Aut
9583 953 895 Sify Limited
705 1473 829 UUNET Technologies, Inc.
9498 855 783 BHARTI BT INTERNET LTD.
11492 750 737 Cable One
721 973 667 DLA Systems Automation Center
22773 709 666 Cox Communications, Inc.
4538 599 567 China Education and Research
19262 745 558 Verizon Global Networks
6197 1028 538 BellSouth Network Solutions,
7018 1521 529 AT&T WorldNet Services
17488 534 522 Hathway IP Over Cable Interne
5668 536 518 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 548 478 Canadian Research Network
7545 540 466 TPG Internet Pty Ltd
2686 557 462 IBM
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65503 PRIVATE 66.43.242.0/24 5056 Iowa Network Service
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
65503 PRIVATE 67.55.168.0/24 5056 Iowa Network Service
65503 PRIVATE 67.55.216.0/24 5056 Iowa Network Service
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65001 PRIVATE 88.213.181.0/24 28929 Tiziano D'Inca' - AS
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65503 PRIVATE 167.142.186.192/26 5056 Iowa Network Service
65061 PRIVATE 195.85.215.0/24 24750 Cable Internet Syste
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65503 PRIVATE 207.177.49.0/24 5056 Iowa Network Service
65503 PRIVATE 207.177.105.0/24 5056 Iowa Network Service
65503 PRIVATE 207.177.106.0/24 5056 Iowa Network Service
65503 PRIVATE 207.199.206.0/24 5056 Iowa Network Service
65503 PRIVATE 207.199.224.0/24 5056 Iowa Network Service
65503 PRIVATE 209.152.67.0/24 5056 Iowa Network Service
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
65016 PRIVATE 212.2.26.64/29 8190 VIATEL
65016 PRIVATE 212.2.31.184/30 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
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
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
65013 PRIVATE 213.235.33.0/27 8190 VIATEL
65017 PRIVATE 213.235.48.96/28 8190 VIATEL
65503 PRIVATE 216.51.135.0/24 5056 Iowa Network Service
65503 PRIVATE 216.51.155.0/24 5056 Iowa Network Service
65503 PRIVATE 216.51.224.0/24 5056 Iowa Network Service
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
192.0.2.0/24 812 Rogers WAVE
192.168.83.0/24 292 Energy Sciences Network
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
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
192.44.0.0/24 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
192.249.0.0/20 3450 University of Tennessee, Knox
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:13 /11:31 /12:108
/13:222 /14:386 /15:768 /16:9058 /17:3555 /18:5815
/19:12564 /20:14285 /21:12734 /22:16300 /23:17787 /24:116177
/25:518 /26:484 /27:295 /28:226 /29:196 /30:527
/31:0 /32:121
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3702 4982 UUNET Technologies, Inc.
4323 1949 3288 Time Warner Telecom
18566 945 962 Covad Communications
705 922 1473 UUNET Technologies, Inc.
2386 884 1168 AT&T Data Communications Serv
6197 808 1028 BellSouth Network Solutions,
7018 791 1521 AT&T WorldNet Services
9583 785 953 Sify Limited
11492 738 750 Cable One
7046 578 820 UUNET Technologies, Inc.
4766 576 767 Korea Telecom (KIX)
7011 576 671 Citizens Utilities
19916 559 565 OLM LLC
2686 516 557 IBM
9498 511 855 BHARTI BT INTERNET LTD.
15270 436 467 PaeTec.net -a division of Pae
855 432 548 Canadian Research Network
4755 426 993 Videsh Sanchar Nigam Ltd. Aut
5668 419 536 CenturyTel Internet Holdings,
17849 413 425 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:52 12:1672 13:1 15:16
16:3 17:3 18:4 20:41 24:834 25:1
32:265 38:254 40:56 41:19 44:3 47:6
52:4 55:1 56:3 57:53 58:240 59:293
60:183 61:920 62:1023 63:3393 64:3534 65:3643
66:3906 67:666 68:659 69:1662 70:395 71:89
72:935 74:80 75:7 80:811 81:689 82:602
83:400 84:426 85:638 86:436 87:465 88:192
89:483 121:35 122:14 123:1 124:374 125:633
128:286 129:230 130:119 131:312 132:35 133:10
134:167 135:51 136:177 137:87 138:224 139:128
140:524 141:134 142:383 143:192 144:238 145:42
146:320 147:142 148:362 149:177 150:114 151:119
152:79 153:122 154:6 155:231 156:158 157:198
158:156 159:176 160:98 161:88 162:218 163:167
164:275 165:231 166:238 167:248 168:605 169:129
170:375 171:11 172:1 190:223 192:5843 193:3496
194:2805 195:2234 196:942 198:4033 199:3395 200:4453
201:935 202:7112 203:7219 204:4121 205:2219 206:2837
207:3608 208:3059 209:3827 210:2254 211:884 212:1439
213:1540 214:370 215:40 216:4377 217:1330 218:358
219:293 220:796 221:383 222:241
End of report
