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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 02 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 209224
Prefixes after maximum aggregation: 109143
Unique aggregates announced to Internet: 95871
Total ASes present in the Internet Routing Table: 23053
Origin-only ASes present in the Internet Routing Table: 20063
Origin ASes announcing only one prefix: 9600
Transit ASes present in the Internet Routing Table: 2990
Transit-only ASes present in the Internet Routing Table: 69
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: 1575249473
Equivalent to 93 /8s, 228 /16s and 102 /24s
Percentage of available address space announced: 42.5
Percentage of allocated address space announced: 60.3
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 107877
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44459
Total APNIC prefixes after maximum aggregation: 17506
Prefixes being announced from the APNIC address blocks: 42000
Unique aggregates announced from the APNIC address blocks: 18292
APNIC Region origin ASes present in the Internet Routing Table: 2694
APNIC Region origin ASes announcing only one prefix: 763
APNIC Region transit ASes present in the Internet Routing Table: 407
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 261726592
Equivalent to 15 /8s, 153 /16s and 161 /24s
Percentage of available APNIC address space announced: 81.8
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: 109427
Total ARIN prefixes after maximum aggregation: 60311
Prefixes being announced from the ARIN address blocks: 81816
Unique aggregates announced from the ARIN address blocks: 27973
ARIN Region origin ASes present in the Internet Routing Table: 10938
ARIN Region origin ASes announcing only one prefix: 4127
ARIN Region transit ASes present in the Internet Routing Table: 1018
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 294164961
Equivalent to 17 /8s, 136 /16s and 153 /24s
Percentage of available ARIN address space announced: 76.2
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: 40774
Total RIPE prefixes after maximum aggregation: 26625
Prefixes being announced from the RIPE address blocks: 37897
Unique aggregates announced from the RIPE address blocks: 24647
RIPE Region origin ASes present in the Internet Routing Table: 8473
RIPE Region origin ASes announcing only one prefix: 4426
RIPE Region transit ASes present in the Internet Routing Table: 1384
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 262582880
Equivalent to 15 /8s, 166 /16s and 178 /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: 12157
Total LACNIC prefixes after maximum aggregation: 3756
Prefixes being announced from the LACNIC address blocks: 10189
Unique aggregates announced from the LACNIC address blocks: 5977
LACNIC Region origin ASes present in the Internet Routing Table: 717
LACNIC Region origin ASes announcing only one prefix: 238
LACNIC Region transit ASes present in the Internet Routing Table: 127
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32323328
Equivalent to 1 /8s, 237 /16s and 55 /24s
Percentage of available LACNIC address space announced: 48.2
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: 2384
Total AfriNIC prefixes after maximum aggregation: 945
Prefixes being announced from the AfriNIC address blocks: 1666
Unique aggregates announced from the AfriNIC address blocks: 1002
AfriNIC Region origin ASes present in the Internet Routing Table: 162
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: 16
Number of AfriNIC addresses announced to Internet: 4221440
Equivalent to 0 /8s, 64 /16s and 106 /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 975 255 64 Videsh Sanchar Nigam Ltd. Aut
9583 952 109 15 Sify Limited
9498 824 211 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 537 124 72 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)
17557 356 29 167 Pakistan Telecom
7474 355 210 227 SingTel Optus Pty Ltd
17974 352 129 12 PT TELEKOMUNIKASI INDONESIA
2907 341 1734 314 SINET Japan
10139 329 23 6 Meridian Telekoms
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 551 1944 433 UUNET - Commercial IP service
3215 396 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 256 42 11 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.
30890 203 18 83 SC Kappa Invexim SRL
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
6830 195 879 43 UPC Distribution Services
8866 185 37 15 Bulgarian Telecommunication C
5416 181 12 7 BATELCO-BH
3300 172 171 93 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 4990 6780 783 UUNET Technologies, Inc.
4323 3217 776 292 Time Warner Telecom
7018 1494 6283 964 AT&T WorldNet Services
705 1476 556 647 UUNET Technologies, Inc.
6197 1029 639 479 BellSouth Network Solutions,
721 990 21910 308 DLA Systems Automation Center
2386 962 561 729 AT&T Data Communications Serv
18566 958 272 8 Covad Communications
174 956 5770 885 Cogent Communications
1239 835 2765 590 Sprint
7046 818 249 676 UUNET Technologies, Inc.
19262 739 2276 189 Verizon Global Networks
11492 731 90 14 Cable One
20115 720 641 400 Charter Communications
22773 695 1744 43 Cox Communications, Inc.
7011 668 207 422 Citizens Utilities
852 602 1068 384 Telus Advanced Communications
209 595 3106 504 Qwest
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 3217 2925 Time Warner Telecom
4134 1303 1064 CHINANET-BACKBONE
18566 958 950 Covad Communications
9583 952 937 Sify Limited
4755 975 911 Videsh Sanchar Nigam Ltd. Aut
705 1476 829 UUNET Technologies, Inc.
9498 824 753 BHARTI BT INTERNET LTD.
11492 731 717 Cable One
721 990 682 DLA Systems Automation Center
22773 695 652 Cox Communications, Inc.
4538 598 567 China Education and Research
6197 1029 550 BellSouth Network Solutions,
19262 739 550 Verizon Global Networks
8151 764 538 UniNet S.A. de C.V.
7018 1494 530 AT&T WorldNet Services
17488 529 518 Hathway IP Over Cable Interne
19916 563 509 OLM LLC
5668 521 503 CenturyTel Internet Holdings,
855 562 489 Canadian Research Network
7545 537 465 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 /12:101
/13:216 /14:379 /15:744 /16:8973 /17:3501 /18:5706
/19:12424 /20:14129 /21:12538 /22:16033 /23:17307 /24:114743
/25:503 /26:492 /27:303 /28:226 /29:200 /30:527
/31:0 /32:107
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3714 4990 UUNET Technologies, Inc.
4323 1912 3217 Time Warner Telecom
18566 941 958 Covad Communications
705 923 1476 UUNET Technologies, Inc.
6197 808 1029 BellSouth Network Solutions,
9583 783 952 Sify Limited
7018 782 1494 AT&T WorldNet Services
11492 719 731 Cable One
2386 679 962 AT&T Data Communications Serv
7046 582 818 UUNET Technologies, Inc.
7011 573 668 Citizens Utilities
4766 569 758 Korea Telecom (KIX)
19916 557 563 OLM LLC
2686 516 560 IBM
9498 502 824 BHARTI BT INTERNET LTD.
15270 437 468 PaeTec.net -a division of Pae
855 436 562 Canadian Research Network
17849 414 427 Telecommunications Technology
4755 410 975 Videsh Sanchar Nigam Ltd. Aut
5668 405 521 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:46 11:1 12:1626 13:1
15:15 16:3 17:3 18:4 20:41 24:818
25:1 32:269 38:255 40:54 41:17 44:3
47:6 52:4 55:1 56:3 57:54 58:218
59:284 60:186 61:913 62:961 63:3340 64:3462
65:3603 66:3853 67:656 68:652 69:1613 70:389
71:89 72:875 74:75 75:6 80:790 81:696
82:670 83:401 84:406 85:707 86:370 87:445
88:173 89:431 121:19 122:6 123:1 124:368
125:638 128:152 129:202 130:118 131:313 132:38
133:8 134:163 135:48 136:173 137:87 138:224
139:133 140:519 141:134 142:389 143:190 144:237
145:41 146:326 147:140 148:354 149:180 150:113
151:119 152:78 153:117 154:6 155:222 156:172
157:179 158:165 159:175 160:93 161:88 162:218
163:166 164:294 165:229 166:184 167:243 168:597
169:128 170:360 171:14 190:202 192:5788 193:3430
194:2791 195:2197 196:928 198:4031 199:3381 200:4441
201:1043 202:6976 203:7176 204:4081 205:2175 206:2814
207:3602 208:3032 209:3808 210:2233 211:910 212:1368
213:1457 214:367 215:41 216:4393 217:1336 218:356
219:292 220:793 221:384 222:257
End of report
