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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 13 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 208613
Prefixes after maximum aggregation: 108775
Unique aggregates announced to Internet: 95257
Total ASes present in the Internet Routing Table: 22918
Origin-only ASes present in the Internet Routing Table: 19847
Origin ASes announcing only one prefix: 9507
Transit ASes present in the Internet Routing Table: 3071
Transit-only ASes present in the Internet Routing Table: 83
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 26
Max AS path prepend of ASN (34569) 21
Prefixes from unregistered ASNs in the Routing Table: 46
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: 1579555581
Equivalent to 94 /8s, 38 /16s and 26 /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: 107597
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43968
Total APNIC prefixes after maximum aggregation: 17585
Prefixes being announced from the APNIC address blocks: 41557
Unique aggregates announced from the APNIC address blocks: 18658
APNIC Region origin ASes present in the Internet Routing Table: 2672
APNIC Region origin ASes announcing only one prefix: 749
APNIC Region transit ASes present in the Internet Routing Table: 413
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 26
Number of APNIC addresses announced to Internet: 244529284
Equivalent to 14 /8s, 147 /16s and 56 /24s
Percentage of available APNIC address space announced: 76.5
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: 109704
Total ARIN prefixes after maximum aggregation: 60151
Prefixes being announced from the ARIN address blocks: 81689
Unique aggregates announced from the ARIN address blocks: 27279
ARIN Region origin ASes present in the Internet Routing Table: 10890
ARIN Region origin ASes announcing only one prefix: 4087
ARIN Region transit ASes present in the Internet Routing Table: 1065
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 299152929
Equivalent to 17 /8s, 212 /16s and 182 /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: 40425
Total RIPE prefixes after maximum aggregation: 26375
Prefixes being announced from the RIPE address blocks: 37754
Unique aggregates announced from the RIPE address blocks: 24368
RIPE Region origin ASes present in the Internet Routing Table: 8399
RIPE Region origin ASes announcing only one prefix: 4387
RIPE Region transit ASes present in the Internet Routing Table: 1385
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 261565152
Equivalent to 15 /8s, 151 /16s and 42 /24s
Percentage of available RIPE address space announced: 82.1
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: 12131
Total LACNIC prefixes after maximum aggregation: 3729
Prefixes being announced from the LACNIC address blocks: 10224
Unique aggregates announced from the LACNIC address blocks: 5903
LACNIC Region origin ASes present in the Internet Routing Table: 711
LACNIC Region origin ASes announcing only one prefix: 237
LACNIC Region transit ASes present in the Internet Routing Table: 134
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 31902464
Equivalent to 1 /8s, 230 /16s and 203 /24s
Percentage of available LACNIC address space announced: 47.5
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: 2340
Total AfriNIC prefixes after maximum aggregation: 935
Prefixes being announced from the AfriNIC address blocks: 1603
Unique aggregates announced from the AfriNIC address blocks: 977
AfriNIC Region origin ASes present in the Internet Routing Table: 163
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: 3.6
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 4205824
Equivalent to 0 /8s, 64 /16s and 45 /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 1294 7930 240 CHINANET-BACKBONE
4755 964 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 946 109 15 Sify Limited
9498 785 211 70 BHARTI BT INTERNET LTD.
4766 726 4435 306 Korea Telecom (KIX)
1221 648 1779 478 Telstra Pty Ltd
4538 604 2717 31 China Education and Research
17488 522 32 18 Hathway IP Over Cable Interne
17676 491 7109 111 Softbank BB Corp.
7545 459 123 58 TPG Internet Pty Ltd
9443 450 111 83 Primus Telecommunications
18101 436 85 22 Reliance Infocom Ltd Internet
17849 412 30 123 Telecommunications Technology
4812 404 643 57 China Telecom (Shanghai)
17974 379 129 12 PT TELEKOMUNIKASI INDONESIA
4802 378 82 166 Wantree Development
7474 358 211 230 SingTel Optus Pty Ltd
17557 358 29 169 Pakistan Telecom
2907 339 1733 312 SINET Japan
9929 313 198 38 China Netcom Corp.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 614 1947 440 UUNET - Commercial IP service
3215 401 1760 97 France Telecom Transpac
3301 315 1186 300 TeliaNet Sweden
3320 295 5013 239 Deutsche Telekom AG
8220 285 471 268 COLT Telecommunications
24863 248 42 10 LINKdotNET AS number
680 247 2041 244 DFN-IP service G-WiN
6746 244 91 222 Dynamic Network Technologies,
3246 233 462 223 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.
8551 202 182 27 Bezeq International
3269 201 2246 72 TELECOM ITALIA
30890 200 18 83 SC Kappa Invexim SRL
6830 195 879 43 UPC Distribution Services
8866 190 37 15 Bulgarian Telecommunication C
5416 181 12 7 BATELCO-BH
3300 173 171 97 AUCS Communications Services
786 172 1779 172 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5001 6780 786 UUNET Technologies, Inc.
4323 3195 747 275 Time Warner Telecom
705 1497 558 655 UUNET Technologies, Inc.
7018 1489 6267 958 AT&T WorldNet Services
174 1131 5769 889 Cogent Communications
6197 1017 636 478 BellSouth Network Solutions,
721 1002 21942 311 DLA Systems Automation Center
18566 954 272 8 Covad Communications
2386 942 559 712 AT&T Data Communications Serv
1239 846 2813 600 Sprint
7046 822 250 680 UUNET Technologies, Inc.
20115 728 651 384 Charter Communications
19262 726 2216 185 Verizon Global Networks
11492 723 90 16 Cable One
209 684 3660 538 Qwest
22773 684 1744 42 Cox Communications, Inc.
7011 676 221 431 Citizens Utilities
6461 603 228 82 AboveNet Communications, Inc.
852 597 1068 383 Telus Advanced Communications
6198 595 554 237 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3195 2920 Time Warner Telecom
4134 1294 1054 CHINANET-BACKBONE
18566 954 946 Covad Communications
9583 946 931 Sify Limited
4755 964 898 Videsh Sanchar Nigam Ltd. Aut
705 1497 842 UUNET Technologies, Inc.
9498 785 715 BHARTI BT INTERNET LTD.
11492 723 707 Cable One
721 1002 691 DLA Systems Automation Center
22773 684 642 Cox Communications, Inc.
8151 800 576 UniNet S.A. de C.V.
4538 604 573 China Education and Research
19262 726 541 Verizon Global Networks
6197 1017 539 BellSouth Network Solutions,
7018 1489 531 AT&T WorldNet Services
6461 603 521 AboveNet Communications, Inc.
5668 540 521 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 568 494 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
65101 PRIVATE 84.16.28.0/24 12956 Telefonica Data Auto
65101 PRIVATE 84.16.29.0/24 12956 Telefonica Data Auto
65101 PRIVATE 84.16.30.0/24 12956 Telefonica Data Auto
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65350 PRIVATE 124.236.0.0/19 17672 asn for Hebei Provin
65350 PRIVATE 124.236.240.0/20 17672 asn for Hebei Provin
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65000 PRIVATE 193.109.15.0/24 12690 MKS Autonomous Syste
65014 PRIVATE 203.117.240.0/21 4657 Starhub Internet, Si
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
0.0.0.0/0 702 UUNET - Commercial IP service
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
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)
-------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:11 /11:28 /12:97
/13:213 /14:376 /15:737 /16:8978 /17:3460 /18:5680
/19:12337 /20:14032 /21:12457 /22:15941 /23:17285 /24:114654
/25:470 /26:453 /27:302 /28:228 /29:201 /30:540
/31:0 /32:104
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3738 5001 UUNET Technologies, Inc.
4323 1897 3195 Time Warner Telecom
705 946 1497 UUNET Technologies, Inc.
18566 937 954 Covad Communications
6197 798 1017 BellSouth Network Solutions,
7018 782 1489 AT&T WorldNet Services
9583 777 946 Sify Limited
11492 711 723 Cable One
2386 660 942 AT&T Data Communications Serv
7046 584 822 UUNET Technologies, Inc.
7011 582 676 Citizens Utilities
19916 557 563 OLM LLC
4766 537 726 Korea Telecom (KIX)
6461 531 603 AboveNet Communications, Inc.
2686 516 561 IBM
9498 466 785 BHARTI BT INTERNET LTD.
855 442 568 Canadian Research Network
6198 441 595 BellSouth Network Solutions,
15270 424 455 PaeTec.net -a division of Pae
5668 421 540 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:50 12:1631 13:1 15:15
16:3 17:3 18:4 20:41 24:815 25:1
30:2 32:268 38:265 40:52 41:9 44:3
45:12 47:6 52:4 55:1 56:3 57:54
58:213 59:279 60:188 61:946 62:957 63:3393
64:3562 65:3660 66:3815 67:659 68:679 69:1585
70:391 71:87 72:873 74:72 75:5 80:779
81:717 82:712 83:409 84:410 85:595 86:395
87:463 88:156 89:393 91:1 121:13 122:3
123:1 124:341 125:597 128:162 129:199 130:122
131:313 132:35 133:8 134:164 135:48 136:178
137:86 138:215 139:136 140:491 141:135 142:396
143:187 144:239 145:40 146:318 147:145 148:350
149:190 150:114 151:96 152:74 153:117 154:6
155:214 156:180 157:172 158:167 159:173 160:94
161:86 162:217 163:164 164:281 165:229 166:182
167:242 168:603 169:125 170:351 171:14 190:127
192:5837 193:3422 194:2807 195:2173 196:895 198:4028
199:3369 200:4637 201:1054 202:6950 203:7084 204:4073
205:2138 206:2810 207:3578 208:3022 209:3838 210:2264
211:886 212:1353 213:1509 214:368 215:41 216:4367
217:1368 218:347 219:277 220:749 221:381 222:242
End of report
