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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 05 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 207892
Prefixes after maximum aggregation: 108581
Unique aggregates announced to Internet: 94965
Total ASes present in the Internet Routing Table: 22867
Origin-only ASes present in the Internet Routing Table: 19879
Origin ASes announcing only one prefix: 9486
Transit ASes present in the Internet Routing Table: 2988
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 26
Max AS path prepend of ASN (24076) 20
Prefixes from unregistered ASNs in the Routing Table: 41
Unregistered ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 7
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1578689021
Equivalent to 94 /8s, 24 /16s and 225 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 61.6
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 107010
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43849
Total APNIC prefixes after maximum aggregation: 17612
Prefixes being announced from the APNIC address blocks: 41444
Unique aggregates announced from the APNIC address blocks: 18600
APNIC Region origin ASes present in the Internet Routing Table: 2673
APNIC Region origin ASes announcing only one prefix: 751
APNIC Region transit ASes present in the Internet Routing Table: 403
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 244270724
Equivalent to 14 /8s, 143 /16s and 70 /24s
Percentage of available APNIC address space announced: 76.4
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: 109340
Total ARIN prefixes after maximum aggregation: 60028
Prefixes being announced from the ARIN address blocks: 81567
Unique aggregates announced from the ARIN address blocks: 27248
ARIN Region origin ASes present in the Internet Routing Table: 10879
ARIN Region origin ASes announcing only one prefix: 4084
ARIN Region transit ASes present in the Internet Routing Table: 1009
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 298976033
Equivalent to 17 /8s, 210 /16s and 3 /24s
Percentage of available ARIN address space announced: 77.5
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: 40218
Total RIPE prefixes after maximum aggregation: 26298
Prefixes being announced from the RIPE address blocks: 37510
Unique aggregates announced from the RIPE address blocks: 24257
RIPE Region origin ASes present in the Internet Routing Table: 8367
RIPE Region origin ASes announcing only one prefix: 4367
RIPE Region transit ASes present in the Internet Routing Table: 1387
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 260933344
Equivalent to 15 /8s, 141 /16s and 134 /24s
Percentage of available RIPE address space announced: 81.9
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
40960-41983
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: 12148
Total LACNIC prefixes after maximum aggregation: 3727
Prefixes being announced from the LACNIC address blocks: 10217
Unique aggregates announced from the LACNIC address blocks: 5853
LACNIC Region origin ASes present in the Internet Routing Table: 715
LACNIC Region origin ASes announcing only one prefix: 237
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 31797248
Equivalent to 1 /8s, 229 /16s and 48 /24s
Percentage of available LACNIC address space announced: 47.4
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: 2297
Total AfriNIC prefixes after maximum aggregation: 916
Prefixes being announced from the AfriNIC address blocks: 1585
Unique aggregates announced from the AfriNIC address blocks: 967
AfriNIC Region origin ASes present in the Internet Routing Table: 161
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: 4.1
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4202752
Equivalent to 0 /8s, 64 /16s and 33 /24s
Percentage of available AfriNIC address space announced: 12.5
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 1293 7914 239 CHINANET-BACKBONE
4755 957 255 62 Videsh Sanchar Nigam Ltd. Aut
9583 944 109 15 Sify Limited
9498 763 211 70 BHARTI BT INTERNET LTD.
4766 724 4435 306 Korea Telecom (KIX)
1221 647 1779 477 Telstra Pty Ltd
7545 553 124 73 TPG Internet Pty Ltd
4538 523 2717 32 China Education and Research
17488 520 32 18 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 433 85 22 Reliance Infocom Ltd Internet
4812 415 740 61 China Telecom (Shanghai)
17849 412 30 123 Telecommunications Technology
17557 381 30 174 Pakistan Telecom
4802 378 81 167 Wantree Development
17974 377 129 14 PT TELEKOMUNIKASI INDONESIA
7474 357 211 229 SingTel Optus Pty Ltd
2907 339 1733 312 SINET Japan
9929 323 213 42 China Netcom Corp.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 623 1948 442 UUNET - Commercial IP service
3215 401 1760 97 France Telecom Transpac
3301 316 1187 301 TeliaNet Sweden
3320 294 5013 238 Deutsche Telekom AG
8220 283 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 241 90 219 Dynamic Network Technologies,
24863 239 42 11 LINKdotNET AS number
3246 232 462 222 Song Networks
5089 230 1657 45 NTL Group Limited
1257 224 742 168 SWIPnet Swedish IP Network
8708 215 278 203 Romania Data Systems S.A.
3269 203 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 201 19 84 SC Kappa Invexim SRL
8866 187 37 15 Bulgarian Telecommunication C
5416 180 12 7 BATELCO-BH
6830 177 813 37 UPC Distribution Services
3300 175 171 98 AUCS Communications Services
786 170 1762 170 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5018 6786 790 UUNET Technologies, Inc.
4323 3197 746 277 Time Warner Telecom
7018 1508 6266 969 AT&T WorldNet Services
705 1501 559 657 UUNET Technologies, Inc.
6197 1016 634 486 BellSouth Network Solutions,
721 1009 21926 311 DLA Systems Automation Center
18566 952 272 8 Covad Communications
174 938 5769 884 Cogent Communications
2386 918 574 698 AT&T Data Communications Serv
1239 862 2799 611 Sprint
7046 829 251 685 UUNET Technologies, Inc.
19262 728 2228 187 Verizon Global Networks
20115 725 651 379 Charter Communications
11492 722 89 15 Cable One
209 691 3660 539 Qwest
22773 678 1741 38 Cox Communications, Inc.
7011 669 222 426 Citizens Utilities
6461 607 228 85 AboveNet Communications, Inc.
6198 599 556 238 BellSouth Network Solutions,
852 596 1068 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3197 2920 Time Warner Telecom
4134 1293 1054 CHINANET-BACKBONE
18566 952 944 Covad Communications
9583 944 929 Sify Limited
4755 957 895 Videsh Sanchar Nigam Ltd. Aut
705 1501 844 UUNET Technologies, Inc.
11492 722 707 Cable One
721 1009 698 DLA Systems Automation Center
9498 763 693 BHARTI BT INTERNET LTD.
22773 678 640 Cox Communications, Inc.
8151 788 561 UniNet S.A. de C.V.
19262 728 541 Verizon Global Networks
7018 1508 539 AT&T WorldNet Services
6197 1016 530 BellSouth Network Solutions,
6461 607 522 AboveNet Communications, Inc.
5668 538 515 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 520 502 Hathway IP Over Cable Interne
855 567 493 Canadian Research Network
4538 523 491 China Education and Research
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 1.0.0.0/8 23342 UnitedLayer, Inc.
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
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
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65350 PRIVATE 124.236.240.0/20 17672 asn for Hebei Provin
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
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,
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,
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
65350 PRIVATE 219.148.0.0/22 17672 asn for Hebei Provin
65350 PRIVATE 219.148.4.0/23 17672 asn for Hebei Provin
65350 PRIVATE 219.148.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.24.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.32.0/19 17672 asn for Hebei Provin
65350 PRIVATE 222.222.0.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.16.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.32.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.48.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.208.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.216.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.223.187.0/24 17672 asn for Hebei Provin
65350 PRIVATE 222.223.188.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.192.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.196.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.200.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.206.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.224.0/19 17672 asn for Hebei Provin
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
198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
1.0.0.0/8 65333 PRIVATE ASN
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
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 /10:11 /11:28 /12:97
/13:211 /14:373 /15:735 /16:8977 /17:3466 /18:5666
/19:12299 /20:13928 /21:12392 /22:15838 /23:17136 /24:114535
/25:461 /26:362 /27:300 /28:219 /29:194 /30:525
/31:0 /32:111
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3748 5018 UUNET Technologies, Inc.
4323 1901 3197 Time Warner Telecom
705 947 1501 UUNET Technologies, Inc.
18566 935 952 Covad Communications
7018 798 1508 AT&T WorldNet Services
6197 796 1016 BellSouth Network Solutions,
9583 775 944 Sify Limited
11492 710 722 Cable One
2386 637 918 AT&T Data Communications Serv
7046 587 829 UUNET Technologies, Inc.
7011 575 669 Citizens Utilities
19916 557 563 OLM LLC
4766 535 724 Korea Telecom (KIX)
6461 533 607 AboveNet Communications, Inc.
2686 515 559 IBM
9498 445 763 BHARTI BT INTERNET LTD.
6198 443 599 BellSouth Network Solutions,
855 441 567 Canadian Research Network
15270 424 455 PaeTec.net -a division of Pae
5668 421 538 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:50 12:1617 13:1 15:15
16:3 17:3 18:4 20:41 24:811 25:1
30:2 32:264 38:240 40:53 41:10 44:3
45:9 47:6 52:4 55:1 56:3 57:54
58:211 59:277 60:184 61:954 62:960 63:3403
64:3611 65:3670 66:3799 67:648 68:681 69:1591
70:395 71:87 72:873 74:66 75:5 80:769
81:684 82:691 83:393 84:412 85:580 86:401
87:469 88:143 89:381 91:1 121:13 122:3
123:1 124:346 125:579 128:163 129:188 130:119
131:319 132:35 133:8 134:160 135:49 136:177
137:86 138:213 139:136 140:490 141:137 142:395
143:186 144:243 145:40 146:317 147:144 148:352
149:191 150:114 151:96 152:73 153:117 154:6
155:213 156:180 157:140 158:166 159:173 160:93
161:80 162:245 163:164 164:281 165:228 166:182
167:244 168:598 169:125 170:354 171:14 190:115
192:5835 193:3416 194:2808 195:2171 196:887 198:4029
199:3368 200:4644 201:1046 202:6948 203:7131 204:4077
205:2159 206:2816 207:3564 208:3022 209:3847 210:2245
211:877 212:1362 213:1507 214:363 215:40 216:4381
217:1357 218:343 219:292 220:747 221:376 222:242
End of report
