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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 16 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 209198
Prefixes after maximum aggregation: 108964
Unique aggregates announced to Internet: 95364
Total ASes present in the Internet Routing Table: 22963
Origin-only ASes present in the Internet Routing Table: 19888
Origin ASes announcing only one prefix: 9522
Transit ASes present in the Internet Routing Table: 3075
Transit-only ASes present in the Internet Routing Table: 83
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 31
Max AS path prepend of ASN (31258) 21
Prefixes from unregistered ASNs in the Routing Table: 47
Unregistered ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 7
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1559507005
Equivalent to 92 /8s, 244 /16s and 48 /24s
Percentage of available address space announced: 42.1
Percentage of allocated address space announced: 60.9
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 107930
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44127
Total APNIC prefixes after maximum aggregation: 17621
Prefixes being announced from the APNIC address blocks: 41718
Unique aggregates announced from the APNIC address blocks: 18712
APNIC Region origin ASes present in the Internet Routing Table: 2686
APNIC Region origin ASes announcing only one prefix: 754
APNIC Region transit ASes present in the Internet Routing Table: 410
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 26
Number of APNIC addresses announced to Internet: 244528516
Equivalent to 14 /8s, 147 /16s and 53 /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: 109950
Total ARIN prefixes after maximum aggregation: 60227
Prefixes being announced from the ARIN address blocks: 81924
Unique aggregates announced from the ARIN address blocks: 27335
ARIN Region origin ASes present in the Internet Routing Table: 10911
ARIN Region origin ASes announcing only one prefix: 4096
ARIN Region transit ASes present in the Internet Routing Table: 1051
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 295161185
Equivalent to 17 /8s, 151 /16s and 205 /24s
Percentage of available ARIN address space announced: 76.5
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: 40510
Total RIPE prefixes after maximum aggregation: 26431
Prefixes being announced from the RIPE address blocks: 37819
Unique aggregates announced from the RIPE address blocks: 24320
RIPE Region origin ASes present in the Internet Routing Table: 8410
RIPE Region origin ASes announcing only one prefix: 4390
RIPE Region transit ASes present in the Internet Routing Table: 1415
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 261779936
Equivalent to 15 /8s, 154 /16s and 113 /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: 12239
Total LACNIC prefixes after maximum aggregation: 3752
Prefixes being announced from the LACNIC address blocks: 10312
Unique aggregates announced from the LACNIC address blocks: 5941
LACNIC Region origin ASes present in the Internet Routing Table: 711
LACNIC Region origin ASes announcing only one prefix: 235
LACNIC Region transit ASes present in the Internet Routing Table: 135
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 32132608
Equivalent to 1 /8s, 234 /16s and 78 /24s
Percentage of available LACNIC address space announced: 47.9
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: 2326
Total AfriNIC prefixes after maximum aggregation: 933
Prefixes being announced from the AfriNIC address blocks: 1615
Unique aggregates announced from the AfriNIC address blocks: 983
AfriNIC Region origin ASes present in the Internet Routing Table: 162
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4207360
Equivalent to 0 /8s, 64 /16s and 51 /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 1288 7819 236 CHINANET-BACKBONE
4755 966 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 947 109 15 Sify Limited
9498 785 211 70 BHARTI BT INTERNET LTD.
4766 726 4435 306 Korea Telecom (KIX)
1221 651 1779 481 Telstra Pty Ltd
4538 604 2717 31 China Education and Research
7545 546 124 73 TPG Internet Pty Ltd
17488 522 32 18 Hathway IP Over Cable Interne
17676 491 7109 111 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 437 85 22 Reliance Infocom Ltd Internet
4812 413 739 59 China Telecom (Shanghai)
17849 412 30 123 Telecommunications Technology
17974 390 129 12 PT TELEKOMUNIKASI INDONESIA
7474 358 211 230 SingTel Optus Pty Ltd
17557 358 29 169 Pakistan Telecom
4802 356 84 149 Wantree Development
2907 339 1733 312 SINET Japan
4837 318 3523 136 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 565 1947 441 UUNET - Commercial IP service
3215 497 1760 97 France Telecom Transpac
3301 315 1186 300 TeliaNet Sweden
3320 296 5013 239 Deutsche Telekom AG
8220 282 472 266 COLT Telecommunications
24863 253 42 10 LINKdotNET AS number
1257 249 744 168 SWIPnet Swedish IP Network
680 247 2041 244 DFN-IP service G-WiN
6746 244 91 222 Dynamic Network Technologies,
3246 233 462 223 Song Networks
5089 231 1658 46 NTL Group Limited
8708 216 278 203 Romania Data Systems S.A.
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 201 19 84 SC Kappa Invexim SRL
6830 195 879 43 UPC Distribution Services
8866 183 37 15 Bulgarian Telecommunication C
5416 181 12 7 BATELCO-BH
3300 176 171 98 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 4975 6781 782 UUNET Technologies, Inc.
4323 3208 747 282 Time Warner Telecom
705 1494 558 653 UUNET Technologies, Inc.
7018 1473 6250 952 AT&T WorldNet Services
174 1137 5771 895 Cogent Communications
6197 1017 636 478 BellSouth Network Solutions,
721 1003 21942 310 DLA Systems Automation Center
18566 954 272 8 Covad Communications
2386 943 559 711 AT&T Data Communications Serv
1239 843 2787 595 Sprint
7046 821 251 680 UUNET Technologies, Inc.
20115 729 652 379 Charter Communications
19262 728 2218 183 Verizon Global Networks
11492 723 90 16 Cable One
22773 691 1744 46 Cox Communications, Inc.
209 684 3657 538 Qwest
7011 678 226 433 Citizens Utilities
6461 604 228 83 AboveNet Communications, Inc.
852 602 1068 384 Telus Advanced Communications
6198 597 554 237 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3208 2926 Time Warner Telecom
4134 1288 1052 CHINANET-BACKBONE
18566 954 946 Covad Communications
9583 947 932 Sify Limited
4755 966 900 Videsh Sanchar Nigam Ltd. Aut
705 1494 841 UUNET Technologies, Inc.
9498 785 715 BHARTI BT INTERNET LTD.
11492 723 707 Cable One
721 1003 693 DLA Systems Automation Center
22773 691 645 Cox Communications, Inc.
8151 802 577 UniNet S.A. de C.V.
4538 604 573 China Education and Research
19262 728 545 Verizon Global Networks
6197 1017 539 BellSouth Network Solutions,
5668 542 523 CenturyTel Internet Holdings,
7018 1473 521 AT&T WorldNet Services
6461 604 521 AboveNet Communications, Inc.
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 559 485 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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
65350 PRIVATE 124.239.192.0/24 17672 asn for Hebei Provin
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
65014 PRIVATE 203.117.240.0/21 4657 Starhub Internet, Si
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65000 PRIVATE 211.72.199.0/24 3462 Data Communication B
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
192.168.192.0/24 16062 Talks Ltd.
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
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 /8:18 /9:9 /10:10 /11:28 /12:96
/13:212 /14:378 /15:740 /16:8983 /17:3488 /18:5702
/19:12370 /20:14065 /21:12489 /22:15945 /23:17329 /24:115015
/25:486 /26:456 /27:303 /28:227 /29:199 /30:539
/31:0 /32:111
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3712 4975 UUNET Technologies, Inc.
4323 1903 3208 Time Warner Telecom
705 943 1494 UUNET Technologies, Inc.
18566 937 954 Covad Communications
6197 798 1017 BellSouth Network Solutions,
9583 778 947 Sify Limited
7018 772 1473 AT&T WorldNet Services
11492 711 723 Cable One
2386 663 943 AT&T Data Communications Serv
7046 583 821 UUNET Technologies, Inc.
7011 582 678 Citizens Utilities
19916 557 563 OLM LLC
4766 537 726 Korea Telecom (KIX)
6461 531 604 AboveNet Communications, Inc.
2686 516 561 IBM
9498 466 785 BHARTI BT INTERNET LTD.
6198 443 597 BellSouth Network Solutions,
855 433 559 Canadian Research Network
15270 427 458 PaeTec.net -a division of Pae
5668 423 542 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:50 12:1630 13:1 15:15
16:3 17:3 18:4 20:41 24:814 25:1
30:2 32:269 38:266 40:53 41:13 44:3
45:12 47:6 52:4 55:1 56:3 57:54
58:216 59:280 60:190 61:951 62:956 63:3393
64:3576 65:3655 66:3844 67:661 68:679 69:1588
70:393 71:87 72:883 74:73 75:5 80:819
81:716 82:705 83:408 84:411 85:595 86:398
87:457 88:157 89:392 91:1 121:14 122:3
123:1 124:342 125:601 128:163 129:199 130:122
131:314 132:35 133:8 134:165 135:48 136:178
137:86 138:214 139:135 140:528 141:135 142:389
143:189 144:239 145:40 146:317 147:145 148:351
149:192 150:114 151:97 152:74 153:118 154:6
155:215 156:179 157:172 158:167 159:173 160:94
161:83 162:218 163:164 164:278 165:226 166:182
167:244 168:602 169:125 170:353 171:14 190:158
192:5837 193:3461 194:2780 195:2178 196:898 198:4034
199:3377 200:4632 201:1056 202:6937 203:7138 204:4077
205:2142 206:2821 207:3587 208:3038 209:3884 210:2261
211:882 212:1343 213:1515 214:370 215:41 216:4411
217:1360 218:349 219:293 220:730 221:380 222:247
End of report
