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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 03 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 207983
Prefixes after maximum aggregation: 108574
Unique aggregates announced to Internet: 94730
Total ASes present in the Internet Routing Table: 22860
Origin-only ASes present in the Internet Routing Table: 19884
Origin ASes announcing only one prefix: 9475
Transit ASes present in the Internet Routing Table: 2976
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (24076) 20
Prefixes from unregistered ASNs in the Routing Table: 40
Unregistered ASNs in the Routing Table: 16
Special use prefixes present in the Routing Table: 7
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1578298109
Equivalent to 94 /8s, 18 /16s and 234 /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: 106917
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43897
Total APNIC prefixes after maximum aggregation: 17623
Prefixes being announced from the APNIC address blocks: 41495
Unique aggregates announced from the APNIC address blocks: 18582
APNIC Region origin ASes present in the Internet Routing Table: 2679
APNIC Region origin ASes announcing only one prefix: 752
APNIC Region transit ASes present in the Internet Routing Table: 407
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 244112004
Equivalent to 14 /8s, 140 /16s and 218 /24s
Percentage of available APNIC address space announced: 76.3
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: 109641
Total ARIN prefixes after maximum aggregation: 60047
Prefixes being announced from the ARIN address blocks: 81762
Unique aggregates announced from the ARIN address blocks: 27233
ARIN Region origin ASes present in the Internet Routing Table: 10873
ARIN Region origin ASes announcing only one prefix: 4082
ARIN Region transit ASes present in the Internet Routing Table: 1006
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 298702369
Equivalent to 17 /8s, 205 /16s and 214 /24s
Percentage of available ARIN address space announced: 77.4
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: 40096
Total RIPE prefixes after maximum aggregation: 26280
Prefixes being announced from the RIPE address blocks: 37404
Unique aggregates announced from the RIPE address blocks: 24223
RIPE Region origin ASes present in the Internet Routing Table: 8366
RIPE Region origin ASes announcing only one prefix: 4358
RIPE Region transit ASes present in the Internet Routing Table: 1379
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261326560
Equivalent to 15 /8s, 147 /16s and 134 /24s
Percentage of available RIPE address space announced: 82.0
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: 12023
Total LACNIC prefixes after maximum aggregation: 3710
Prefixes being announced from the LACNIC address blocks: 10146
Unique aggregates announced from the LACNIC address blocks: 5784
LACNIC Region origin ASes present in the Internet Routing Table: 712
LACNIC Region origin ASes announcing only one prefix: 238
LACNIC Region transit ASes present in the Internet Routing Table: 128
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 31351040
Equivalent to 1 /8s, 222 /16s and 97 /24s
Percentage of available LACNIC address space announced: 46.7
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: 2287
Total AfriNIC prefixes after maximum aggregation: 914
Prefixes being announced from the AfriNIC address blocks: 1590
Unique aggregates announced from the AfriNIC address blocks: 975
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4204288
Equivalent to 0 /8s, 64 /16s and 39 /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 951 255 62 Videsh Sanchar Nigam Ltd. Aut
9583 941 109 15 Sify Limited
9498 765 211 70 BHARTI BT INTERNET LTD.
4766 723 4435 305 Korea Telecom (KIX)
1221 646 1779 477 Telstra Pty Ltd
7545 552 124 73 TPG Internet Pty Ltd
4538 523 2717 32 China Education and Research
17488 519 32 17 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 434 85 22 Reliance Infocom Ltd Internet
4812 416 740 61 China Telecom (Shanghai)
17849 412 30 123 Telecommunications Technology
17557 380 30 175 Pakistan Telecom
4802 378 81 167 Wantree Development
17974 376 129 14 PT TELEKOMUNIKASI INDONESIA
7474 357 211 229 SingTel Optus Pty Ltd
2907 339 1733 312 SINET Japan
9929 325 216 43 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 290 5012 235 Deutsche Telekom AG
8220 283 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 239 90 217 Dynamic Network Technologies,
24863 238 42 10 LINKdotNET AS number
3246 232 462 222 Song Networks
5089 229 1657 45 NTL Group Limited
1257 220 742 168 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 202 19 82 SC Kappa Invexim SRL
8866 188 37 15 Bulgarian Telecommunication C
5416 180 12 7 BATELCO-BH
6830 177 813 37 UPC Distribution Services
3300 174 171 97 AUCS Communications Services
786 170 1778 170 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5032 6786 794 UUNET Technologies, Inc.
4323 3192 746 275 Time Warner Telecom
705 1500 558 656 UUNET Technologies, Inc.
7018 1495 6264 958 AT&T WorldNet Services
6197 1020 636 478 BellSouth Network Solutions,
721 1008 21926 310 DLA Systems Automation Center
18566 951 272 8 Covad Communications
174 940 5768 885 Cogent Communications
2386 918 574 698 AT&T Data Communications Serv
1239 864 2800 613 Sprint
7046 830 252 686 UUNET Technologies, Inc.
19262 725 2180 185 Verizon Global Networks
20115 724 627 378 Charter Communications
11492 721 89 15 Cable One
209 692 3660 540 Qwest
22773 678 1741 38 Cox Communications, Inc.
7011 655 218 414 Citizens Utilities
4355 607 305 87 EarthLink, Inc.
6461 607 228 85 AboveNet Communications, Inc.
6198 599 556 238 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3192 2917 Time Warner Telecom
4134 1293 1054 CHINANET-BACKBONE
18566 951 943 Covad Communications
9583 941 926 Sify Limited
4755 951 889 Videsh Sanchar Nigam Ltd. Aut
705 1500 844 UUNET Technologies, Inc.
11492 721 706 Cable One
721 1008 698 DLA Systems Automation Center
9498 765 695 BHARTI BT INTERNET LTD.
22773 678 640 Cox Communications, Inc.
8151 782 550 UniNet S.A. de C.V.
6197 1020 542 BellSouth Network Solutions,
19262 725 540 Verizon Global Networks
7018 1495 537 AT&T WorldNet Services
6461 607 522 AboveNet Communications, Inc.
4355 607 520 EarthLink, Inc.
5668 542 519 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 519 502 Hathway IP Over Cable Interne
855 567 493 Canadian Research Network
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
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 /14:374 /15:736 /16:8973 /17:3458 /18:5652
/19:12290 /20:13942 /21:12394 /22:15822 /23:17117 /24:114691
/25:456 /26:362 /27:297 /28:216 /29:194 /30:523
/31:0 /32:111
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3760 5032 UUNET Technologies, Inc.
4323 1896 3192 Time Warner Telecom
705 947 1500 UUNET Technologies, Inc.
18566 934 951 Covad Communications
6197 800 1020 BellSouth Network Solutions,
7018 785 1495 AT&T WorldNet Services
9583 772 941 Sify Limited
11492 709 721 Cable One
2386 637 918 AT&T Data Communications Serv
7046 587 830 UUNET Technologies, Inc.
7011 563 655 Citizens Utilities
19916 557 563 OLM LLC
4766 534 723 Korea Telecom (KIX)
6461 533 607 AboveNet Communications, Inc.
2686 515 559 IBM
9498 447 765 BHARTI BT INTERNET LTD.
6198 442 599 BellSouth Network Solutions,
855 441 567 Canadian Research Network
5668 424 542 CenturyTel Internet Holdings,
15270 423 454 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:10 8:50 12:1617 13:1 15:15
16:3 17:3 18:4 20:41 24:810 25:1
30:2 32:264 38:241 40:53 41:10 44:3
45:8 47:6 52:4 55:1 56:3 57:54
58:213 59:279 60:191 61:950 62:954 63:3405
64:3612 65:3677 66:3808 67:652 68:681 69:1590
70:394 71:87 72:867 74:63 75:1 80:765
81:667 82:686 83:406 84:414 85:585 86:397
87:460 88:119 89:381 91:1 121:13 122:3
123:1 124:343 125:576 128:166 129:188 130:119
131:318 132:35 133:8 134:160 135:49 136:178
137:86 138:214 139:134 140:490 141:137 142:397
143:184 144:244 145:40 146:317 147:145 148:330
149:191 150:114 151:97 152:74 153:117 154:6
155:212 156:180 157:141 158:167 159:173 160:93
161:80 162:245 163:165 164:282 165:232 166:182
167:244 168:599 169:125 170:354 171:14 190:97
192:5837 193:3410 194:2800 195:2165 196:895 198:4048
199:3367 200:4641 201:1047 202:6951 203:7199 204:4079
205:2146 206:2815 207:3658 208:3017 209:3930 210:2240
211:876 212:1350 213:1512 214:362 215:41 216:4386
217:1362 218:341 219:288 220:753 221:375 222:231
End of report
