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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 26 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 211970
Prefixes after maximum aggregation: 110324
Unique aggregates announced to Internet: 96690
Total ASes present in the Internet Routing Table: 23252
Origin-only ASes present in the Internet Routing Table: 20219
Origin ASes announcing only one prefix: 9691
Transit ASes present in the Internet Routing Table: 3033
Transit-only ASes present in the Internet Routing Table: 70
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: 43
Unregistered ASNs in the Routing Table: 26
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1592919997
Equivalent to 94 /8s, 242 /16s and 7 /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: 109536
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45106
Total APNIC prefixes after maximum aggregation: 17738
Prefixes being announced from the APNIC address blocks: 42568
Unique aggregates announced from the APNIC address blocks: 18633
APNIC Region origin ASes present in the Internet Routing Table: 2713
APNIC Region origin ASes announcing only one prefix: 758
APNIC Region transit ASes present in the Internet Routing Table: 419
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262612352
Equivalent to 15 /8s, 167 /16s and 37 /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: 110841
Total ARIN prefixes after maximum aggregation: 60959
Prefixes being announced from the ARIN address blocks: 82719
Unique aggregates announced from the ARIN address blocks: 27793
ARIN Region origin ASes present in the Internet Routing Table: 11012
ARIN Region origin ASes announcing only one prefix: 4159
ARIN Region transit ASes present in the Internet Routing Table: 1025
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 302061665
Equivalent to 18 /8s, 1 /16s and 24 /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: 41399
Total RIPE prefixes after maximum aggregation: 26881
Prefixes being announced from the RIPE address blocks: 38580
Unique aggregates announced from the RIPE address blocks: 24985
RIPE Region origin ASes present in the Internet Routing Table: 8567
RIPE Region origin ASes announcing only one prefix: 4475
RIPE Region transit ASes present in the Internet Routing Table: 1406
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 266401120
Equivalent to 15 /8s, 224 /16s and 245 /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: 12189
Total LACNIC prefixes after maximum aggregation: 3791
Prefixes being announced from the LACNIC address blocks: 10200
Unique aggregates announced from the LACNIC address blocks: 6121
LACNIC Region origin ASes present in the Internet Routing Table: 729
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 32522496
Equivalent to 1 /8s, 240 /16s and 65 /24s
Percentage of available LACNIC address space announced: 48.5
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: 2393
Total AfriNIC prefixes after maximum aggregation: 955
Prefixes being announced from the AfriNIC address blocks: 1697
Unique aggregates announced from the AfriNIC address blocks: 1078
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 48
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: 13
Number of AfriNIC addresses announced to Internet: 4245760
Equivalent to 0 /8s, 64 /16s and 201 /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 990 255 63 Videsh Sanchar Nigam Ltd. Aut
9583 944 108 64 Sify Limited
9498 854 212 72 BHARTI BT INTERNET LTD.
4766 766 4436 310 Korea Telecom (KIX)
1221 647 1780 478 Telstra Pty Ltd
4538 599 2718 32 China Education and Research
7545 539 122 74 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 453 85 18 Reliance Infocom Ltd Internet
9942 430 77 125 COMindico Australia
17849 425 31 128 Telecommunications Technology
4802 412 84 150 Wantree Development
4812 400 741 61 China Telecom (Shanghai)
17974 375 129 12 PT TELEKOMUNIKASI INDONESIA
17557 360 29 172 Pakistan Telecom
7474 353 210 223 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 393 1832 96 France Telecom Transpac
3301 316 1187 300 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 282 455 265 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 243 1657 51 NTL Group Limited
6746 238 90 217 Dynamic Network Technologies,
3246 233 486 220 Song Networks
9116 226 134 23 Goldenlines main autonomous s
8708 216 278 203 Romania Data Systems S.A.
3292 207 1137 115 TDC Tele Danmark
3269 204 2262 74 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 201 18 79 SC Kappa Invexim SRL
6830 199 879 43 UPC Distribution Services
5416 182 12 7 BATELCO-BH
8866 182 37 15 Bulgarian Telecommunication C
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4979 6758 783 UUNET Technologies, Inc.
4323 3276 781 291 Time Warner Telecom
7018 1526 6281 990 AT&T WorldNet Services
705 1475 555 646 UUNET Technologies, Inc.
2386 1166 578 841 AT&T Data Communications Serv
6197 1029 627 490 BellSouth Network Solutions,
721 975 21909 306 DLA Systems Automation Center
174 974 6826 902 Cogent Communications
18566 962 272 8 Covad Communications
1239 844 2780 594 Sprint
7046 825 234 678 UUNET Technologies, Inc.
19262 746 2352 188 Verizon Global Networks
11492 742 90 13 Cable One
20115 741 663 385 Charter Communications
22773 706 1744 43 Cox Communications, Inc.
209 703 3631 553 Qwest
7011 666 207 420 Citizens Utilities
852 602 1070 386 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 3276 2985 Time Warner Telecom
4134 1239 1001 CHINANET-BACKBONE
18566 962 954 Covad Communications
4755 990 927 Videsh Sanchar Nigam Ltd. Aut
9583 944 880 Sify Limited
705 1475 829 UUNET Technologies, Inc.
9498 854 782 BHARTI BT INTERNET LTD.
11492 742 729 Cable One
721 975 669 DLA Systems Automation Center
22773 706 663 Cox Communications, Inc.
4538 599 567 China Education and Research
19262 746 558 Verizon Global Networks
6197 1029 539 BellSouth Network Solutions,
7018 1526 536 AT&T WorldNet Services
17488 534 522 Hathway IP Over Cable Interne
5668 535 517 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 549 479 Canadian Research Network
7545 539 465 TPG Internet Pty Ltd
2686 561 462 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
65011 PRIVATE 62.245.148.0/26 8767 M"net AS
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
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65503 PRIVATE 167.142.186.192/26 5056 Iowa Network Service
65450 PRIVATE 170.65.44.0/24 2009 INFONET
65450 PRIVATE 170.65.45.0/24 2009 INFONET
65450 PRIVATE 170.65.46.0/24 2009 INFONET
65450 PRIVATE 170.65.47.0/24 2009 INFONET
65120 PRIVATE 170.65.186.0/24 2009 INFONET
65102 PRIVATE 170.65.190.0/24 2009 INFONET
65068 PRIVATE 196.21.26.0/24 2018 Tertiary Education N
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 /15:764 /16:9035 /17:3544 /18:5802
/19:12544 /20:14267 /21:12712 /22:16265 /23:17731 /24:116092
/25:516 /26:489 /27:296 /28:238 /29:226 /30:540
/31:0 /32:121
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3702 4979 UUNET Technologies, Inc.
4323 1948 3276 Time Warner Telecom
18566 945 962 Covad Communications
705 923 1475 UUNET Technologies, Inc.
2386 883 1166 AT&T Data Communications Serv
6197 809 1029 BellSouth Network Solutions,
7018 795 1526 AT&T WorldNet Services
9583 776 944 Sify Limited
11492 730 742 Cable One
7046 583 825 UUNET Technologies, Inc.
4766 575 766 Korea Telecom (KIX)
7011 571 666 Citizens Utilities
19916 559 565 OLM LLC
2686 516 561 IBM
9498 510 854 BHARTI BT INTERNET LTD.
855 433 549 Canadian Research Network
15270 433 464 PaeTec.net -a division of Pae
4755 425 990 Videsh Sanchar Nigam Ltd. Aut
5668 418 535 CenturyTel Internet Holdings,
17849 413 425 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:50 12:1673 13:1 15:16
16:3 17:3 18:4 20:41 24:826 25:1
32:265 38:256 40:56 41:19 44:3 47:6
52:4 55:1 56:3 57:53 58:241 59:293
60:184 61:921 62:1004 63:3389 64:3522 65:3645
66:3902 67:666 68:658 69:1659 70:394 71:89
72:933 74:80 75:7 80:842 81:689 82:598
83:410 84:420 85:659 86:434 87:462 88:189
89:477 121:36 122:14 123:1 124:381 125:642
128:278 129:230 130:119 131:311 132:37 133:10
134:167 135:51 136:177 137:98 138:224 139:133
140:554 141:134 142:383 143:192 144:244 145:42
146:321 147:140 148:359 149:177 150:114 151:119
152:79 153:122 154:6 155:231 156:158 157:198
158:156 159:176 160:98 161:88 162:218 163:167
164:276 165:229 166:237 167:246 168:605 169:129
170:377 171:11 172:1 190:205 192:5794 193:3489
194:2803 195:2228 196:951 198:4028 199:3382 200:4464
201:933 202:7091 203:7213 204:4118 205:2226 206:2836
207:3599 208:3058 209:3823 210:2246 211:883 212:1450
213:1537 214:374 215:40 216:4353 217:1347 218:352
219:292 220:795 221:384 222:241
End of report
