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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 25 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 211993
Prefixes after maximum aggregation: 110186
Unique aggregates announced to Internet: 96321
Total ASes present in the Internet Routing Table: 23257
Origin-only ASes present in the Internet Routing Table: 20184
Origin ASes announcing only one prefix: 9689
Transit ASes present in the Internet Routing Table: 3073
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 27
Max AS path prepend of ASN (24076) 20
Prefixes from unregistered ASNs in the Routing Table: 34
Unregistered ASNs in the Routing Table: 28
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1593265853
Equivalent to 94 /8s, 247 /16s and 78 /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: 109546
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45147
Total APNIC prefixes after maximum aggregation: 17682
Prefixes being announced from the APNIC address blocks: 42653
Unique aggregates announced from the APNIC address blocks: 18354
APNIC Region origin ASes present in the Internet Routing Table: 2713
APNIC Region origin ASes announcing only one prefix: 759
APNIC Region transit ASes present in the Internet Routing Table: 422
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262573184
Equivalent to 15 /8s, 166 /16s and 140 /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: 110819
Total ARIN prefixes after maximum aggregation: 60935
Prefixes being announced from the ARIN address blocks: 82676
Unique aggregates announced from the ARIN address blocks: 27782
ARIN Region origin ASes present in the Internet Routing Table: 11020
ARIN Region origin ASes announcing only one prefix: 4163
ARIN Region transit ASes present in the Internet Routing Table: 1042
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 301919841
Equivalent to 17 /8s, 254 /16s and 238 /24s
Percentage of available ARIN address space announced: 78.2
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: 41384
Total RIPE prefixes after maximum aggregation: 26837
Prefixes being announced from the RIPE address blocks: 38566
Unique aggregates announced from the RIPE address blocks: 24958
RIPE Region origin ASes present in the Internet Routing Table: 8557
RIPE Region origin ASes announcing only one prefix: 4465
RIPE Region transit ASes present in the Internet Routing Table: 1424
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 266222432
Equivalent to 15 /8s, 222 /16s and 59 /24s
Percentage of available RIPE address space announced: 72.1
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, 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: 12213
Total LACNIC prefixes after maximum aggregation: 3787
Prefixes being announced from the LACNIC address blocks: 10222
Unique aggregates announced from the LACNIC address blocks: 6107
LACNIC Region origin ASes present in the Internet Routing Table: 730
LACNIC Region origin ASes announcing only one prefix: 252
LACNIC Region transit ASes present in the Internet Routing Table: 127
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 32747520
Equivalent to 1 /8s, 243 /16s and 176 /24s
Percentage of available LACNIC address space announced: 48.8
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: 2397
Total AfriNIC prefixes after maximum aggregation: 945
Prefixes being announced from the AfriNIC address blocks: 1689
Unique aggregates announced from the AfriNIC address blocks: 1076
AfriNIC Region origin ASes present in the Internet Routing Table: 163
AfriNIC Region origin ASes announcing only one prefix: 50
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 4245248
Equivalent to 0 /8s, 64 /16s and 199 /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 1240 8140 239 CHINANET-BACKBONE
4755 990 255 63 Videsh Sanchar Nigam Ltd. Aut
9583 957 109 19 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 541 124 75 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 454 85 18 Reliance Infocom Ltd Internet
9942 432 77 126 COMindico Australia
17849 425 31 128 Telecommunications Technology
4802 412 84 150 Wantree Development
4812 398 741 61 China Telecom (Shanghai)
17974 354 129 12 PT TELEKOMUNIKASI INDONESIA
7474 353 210 223 SingTel Optus Pty Ltd
2907 340 1734 314 SINET Japan
17557 339 27 163 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1929 426 UUNET - Commercial IP service
3215 392 1830 99 France Telecom Transpac
3301 315 1186 299 TeliaNet Sweden
3320 296 5013 241 Deutsche Telekom AG
8220 282 455 265 COLT Telecommunications
24863 272 41 29 LINKdotNET AS number
680 249 2041 245 DFN-IP service G-WiN
1257 245 740 170 SWIPnet Swedish IP Network
5089 242 1657 51 NTL Group Limited
6746 238 90 217 Dynamic Network Technologies,
3246 232 470 219 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
8866 184 37 15 Bulgarian Telecommunication C
5416 182 12 7 BATELCO-BH
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4968 6757 775 UUNET Technologies, Inc.
4323 3278 781 294 Time Warner Telecom
7018 1515 6284 990 AT&T WorldNet Services
705 1474 556 645 UUNET Technologies, Inc.
2386 1164 578 840 AT&T Data Communications Serv
6197 1029 627 490 BellSouth Network Solutions,
721 979 21909 306 DLA Systems Automation Center
174 975 6826 903 Cogent Communications
18566 962 272 8 Covad Communications
1239 847 2780 596 Sprint
7046 822 234 675 UUNET Technologies, Inc.
19262 744 2344 187 Verizon Global Networks
11492 742 90 13 Cable One
20115 741 663 385 Charter Communications
22773 705 1744 45 Cox Communications, Inc.
209 702 3631 552 Qwest
7011 667 207 421 Citizens Utilities
852 601 1070 385 Telus Advanced Communications
6478 586 1265 381 AT&T Worldnet Services
19916 565 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3278 2984 Time Warner Telecom
4134 1240 1001 CHINANET-BACKBONE
18566 962 954 Covad Communications
9583 957 938 Sify Limited
4755 990 927 Videsh Sanchar Nigam Ltd. Aut
705 1474 829 UUNET Technologies, Inc.
9498 854 782 BHARTI BT INTERNET LTD.
11492 742 729 Cable One
721 979 673 DLA Systems Automation Center
22773 705 660 Cox Communications, Inc.
4538 599 567 China Education and Research
19262 744 557 Verizon Global Networks
6197 1029 539 BellSouth Network Solutions,
7018 1515 525 AT&T WorldNet Services
17488 534 522 Hathway IP Over Cable Interne
5668 535 517 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 548 478 Canadian Research Network
7545 541 466 TPG Internet Pty Ltd
2686 561 461 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
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
65021 PRIVATE 128.216.1.0/24 619 Department of Navy
65021 PRIVATE 128.216.2.0/24 619 Department of Navy
65021 PRIVATE 128.216.3.0/24 619 Department of Navy
65021 PRIVATE 128.216.4.0/24 619 Department of Navy
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
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
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
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 /15:766 /16:9055 /17:3548 /18:5799
/19:12538 /20:14265 /21:12713 /22:16299 /23:17741 /24:116050
/25:515 /26:499 /27:297 /28:238 /29:226 /30:537
/31:0 /32:119
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3700 4968 UUNET Technologies, Inc.
4323 1946 3278 Time Warner Telecom
18566 945 962 Covad Communications
705 923 1474 UUNET Technologies, Inc.
2386 882 1164 AT&T Data Communications Serv
6197 809 1029 BellSouth Network Solutions,
7018 791 1515 AT&T WorldNet Services
9583 784 957 Sify Limited
11492 730 742 Cable One
7046 580 822 UUNET Technologies, Inc.
4766 575 766 Korea Telecom (KIX)
7011 572 667 Citizens Utilities
19916 559 565 OLM LLC
2686 516 561 IBM
9498 511 854 BHARTI BT INTERNET LTD.
15270 433 464 PaeTec.net -a division of Pae
855 432 548 Canadian Research Network
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 12:1674 13:1 15:16
16:3 17:3 18:4 20:41 24:827 25:1
32:265 38:256 40:56 41:18 44:3 47:6
52:4 55:1 56:3 57:52 58:241 59:291
60:179 61:904 62:998 63:3385 64:3521 65:3643
66:3892 67:663 68:658 69:1657 70:395 71:90
72:932 74:80 75:7 80:834 81:685 82:600
83:406 84:412 85:653 86:421 87:461 88:190
89:476 121:35 122:34 123:1 124:381 125:641
128:277 129:230 130:119 131:312 132:37 133:10
134:167 135:51 136:177 137:98 138:224 139:133
140:523 141:134 142:385 143:191 144:243 145:42
146:321 147:141 148:359 149:177 150:114 151:119
152:79 153:122 154:6 155:232 156:158 157:198
158:156 159:175 160:98 161:88 162:218 163:167
164:276 165:229 166:237 167:250 168:605 169:129
170:377 171:11 172:1 190:207 192:5793 193:3496
194:2802 195:2229 196:943 198:4025 199:3393 200:4456
201:933 202:7105 203:7217 204:4119 205:2222 206:2836
207:3590 208:3056 209:3823 210:2241 211:883 212:1436
213:1534 214:371 215:40 216:4365 217:1349 218:355
219:354 220:796 221:384 222:241
End of report
