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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 03 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 209836
Prefixes after maximum aggregation: 109228
Unique aggregates announced to Internet: 95504
Total ASes present in the Internet Routing Table: 23069
Origin-only ASes present in the Internet Routing Table: 20072
Origin ASes announcing only one prefix: 9599
Transit ASes present in the Internet Routing Table: 2997
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 29
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 24
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1579139773
Equivalent to 94 /8s, 31 /16s and 194 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 60.4
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 108215
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44473
Total APNIC prefixes after maximum aggregation: 17513
Prefixes being announced from the APNIC address blocks: 42005
Unique aggregates announced from the APNIC address blocks: 18284
APNIC Region origin ASes present in the Internet Routing Table: 2694
APNIC Region origin ASes announcing only one prefix: 760
APNIC Region transit ASes present in the Internet Routing Table: 403
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 261972096
Equivalent to 15 /8s, 157 /16s and 96 /24s
Percentage of available APNIC address space announced: 81.9
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: 109765
Total ARIN prefixes after maximum aggregation: 60381
Prefixes being announced from the ARIN address blocks: 82083
Unique aggregates announced from the ARIN address blocks: 27583
ARIN Region origin ASes present in the Internet Routing Table: 10949
ARIN Region origin ASes announcing only one prefix: 4125
ARIN Region transit ASes present in the Internet Routing Table: 1022
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296737377
Equivalent to 17 /8s, 175 /16s and 218 /24s
Percentage of available ARIN address space announced: 76.9
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: 40893
Total RIPE prefixes after maximum aggregation: 26622
Prefixes being announced from the RIPE address blocks: 38023
Unique aggregates announced from the RIPE address blocks: 24621
RIPE Region origin ASes present in the Internet Routing Table: 8477
RIPE Region origin ASes announcing only one prefix: 4428
RIPE Region transit ASes present in the Internet Routing Table: 1389
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 262529120
Equivalent to 15 /8s, 165 /16s and 224 /24s
Percentage of available RIPE address space announced: 71.1
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: 12303
Total LACNIC prefixes after maximum aggregation: 3766
Prefixes being announced from the LACNIC address blocks: 10336
Unique aggregates announced from the LACNIC address blocks: 6005
LACNIC Region origin ASes present in the Internet Routing Table: 717
LACNIC Region origin ASes announcing only one prefix: 240
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32407808
Equivalent to 1 /8s, 238 /16s and 129 /24s
Percentage of available LACNIC address space announced: 48.3
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: 2379
Total AfriNIC prefixes after maximum aggregation: 946
Prefixes being announced from the AfriNIC address blocks: 1661
Unique aggregates announced from the AfriNIC address blocks: 1000
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 46
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4220928
Equivalent to 0 /8s, 64 /16s and 104 /24s
Percentage of available AfriNIC address space announced: 12.6
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 1303 8110 239 CHINANET-BACKBONE
4755 979 255 64 Videsh Sanchar Nigam Ltd. Aut
9583 947 109 15 Sify Limited
9498 842 211 71 BHARTI BT INTERNET LTD.
4766 758 4436 310 Korea Telecom (KIX)
1221 655 1780 483 Telstra Pty Ltd
4538 598 2717 31 China Education and Research
7545 538 124 73 TPG Internet Pty Ltd
17488 529 33 11 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 445 85 18 Reliance Infocom Ltd Internet
17849 427 31 124 Telecommunications Technology
4802 409 84 149 Wantree Development
4812 395 732 60 China Telecom (Shanghai)
17974 372 129 12 PT TELEKOMUNIKASI INDONESIA
17557 357 29 167 Pakistan Telecom
7474 355 210 227 SingTel Optus Pty Ltd
2907 341 1734 314 SINET Japan
10139 328 23 6 Meridian Telekoms
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1943 428 UUNET - Commercial IP service
3215 488 1760 98 France Telecom Transpac
3301 315 1186 300 TeliaNet Sweden
3320 299 5014 243 Deutsche Telekom AG
8220 283 471 267 COLT Telecommunications
24863 255 42 10 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
1257 248 740 166 SWIPnet Swedish IP Network
6746 244 90 223 Dynamic Network Technologies,
5089 239 1657 50 NTL Group Limited
3246 231 462 221 Song Networks
8708 216 278 203 Romania Data Systems S.A.
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 198 18 80 SC Kappa Invexim SRL
6830 195 879 43 UPC Distribution Services
8866 186 37 15 Bulgarian Telecommunication C
5416 181 12 7 BATELCO-BH
3300 175 171 96 AUCS Communications Services
786 171 1779 171 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4984 6780 783 UUNET Technologies, Inc.
4323 3218 776 292 Time Warner Telecom
7018 1496 6284 966 AT&T WorldNet Services
705 1476 556 647 UUNET Technologies, Inc.
6197 1027 639 477 BellSouth Network Solutions,
721 984 21909 307 DLA Systems Automation Center
2386 964 561 731 AT&T Data Communications Serv
18566 958 272 8 Covad Communications
174 952 5770 885 Cogent Communications
1239 833 2749 588 Sprint
7046 817 233 675 UUNET Technologies, Inc.
20115 740 661 387 Charter Communications
19262 739 2276 189 Verizon Global Networks
11492 731 90 14 Cable One
22773 695 1744 43 Cox Communications, Inc.
209 684 3641 540 Qwest
7011 668 207 422 Citizens Utilities
852 602 1068 384 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 562 248 73 Canadian Research Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3218 2926 Time Warner Telecom
4134 1303 1064 CHINANET-BACKBONE
18566 958 950 Covad Communications
9583 947 932 Sify Limited
4755 979 915 Videsh Sanchar Nigam Ltd. Aut
705 1476 829 UUNET Technologies, Inc.
9498 842 771 BHARTI BT INTERNET LTD.
11492 731 717 Cable One
721 984 677 DLA Systems Automation Center
22773 695 652 Cox Communications, Inc.
4538 598 567 China Education and Research
6197 1027 550 BellSouth Network Solutions,
19262 739 550 Verizon Global Networks
8151 757 532 UniNet S.A. de C.V.
7018 1496 530 AT&T WorldNet Services
5668 536 518 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
19916 563 509 OLM LLC
855 562 489 Canadian Research Network
7545 538 465 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
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
65005 PRIVATE 89.187.0.0/23 39810 WiMAX Ukraine Autono
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
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
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
169.254.0.0/16 8895 KACST/ISU Riyadh Autonomous S
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 8895 KACST/ISU Riyadh Autonomous S
192.168.83.0/24 292 Energy Sciences Network
198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
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 /8:19 /9:9 /10:13 /11:31 /12:103
/13:217 /14:379 /15:746 /16:9009 /17:3506 /18:5727
/19:12440 /20:14172 /21:12568 /22:16058 /23:17334 /24:115142
/25:507 /26:490 /27:304 /28:226 /29:200 /30:529
/31:0 /32:107
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3710 4984 UUNET Technologies, Inc.
4323 1913 3218 Time Warner Telecom
18566 941 958 Covad Communications
705 923 1476 UUNET Technologies, Inc.
6197 806 1027 BellSouth Network Solutions,
7018 782 1496 AT&T WorldNet Services
9583 779 947 Sify Limited
11492 719 731 Cable One
2386 681 964 AT&T Data Communications Serv
7046 582 817 UUNET Technologies, Inc.
7011 573 668 Citizens Utilities
4766 569 758 Korea Telecom (KIX)
19916 557 563 OLM LLC
2686 515 559 IBM
9498 504 842 BHARTI BT INTERNET LTD.
15270 437 468 PaeTec.net -a division of Pae
855 436 562 Canadian Research Network
5668 419 536 CenturyTel Internet Holdings,
17849 414 427 Telecommunications Technology
4755 413 979 Videsh Sanchar Nigam Ltd. Aut
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:46 11:1 12:1627 13:1
15:16 16:3 17:3 18:4 20:41 24:823
25:1 32:269 38:255 40:55 41:17 44:3
47:6 52:4 55:1 56:3 57:54 58:219
59:292 60:187 61:916 62:940 63:3377 64:3490
65:3613 66:3873 67:665 68:652 69:1621 70:389
71:89 72:892 74:77 75:6 80:834 81:693
82:669 83:399 84:406 85:706 86:360 87:446
88:171 89:432 121:19 122:6 123:1 124:369
125:639 128:151 129:207 130:118 131:314 132:36
133:8 134:163 135:48 136:176 137:87 138:224
139:133 140:519 141:135 142:390 143:191 144:239
145:40 146:326 147:140 148:352 149:180 150:113
151:119 152:78 153:117 154:6 155:222 156:172
157:179 158:155 159:174 160:93 161:88 162:218
163:166 164:294 165:229 166:184 167:244 168:602
169:128 170:360 171:14 190:202 192:5809 193:3479
194:2788 195:2202 196:923 198:4041 199:3377 200:4586
201:1037 202:6955 203:7166 204:4086 205:2173 206:2821
207:3609 208:3031 209:3808 210:2235 211:911 212:1371
213:1499 214:359 215:41 216:4383 217:1340 218:357
219:292 220:793 221:383 222:262
End of report
