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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 04 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 209849
Prefixes after maximum aggregation: 109212
Unique aggregates announced to Internet: 95489
Total ASes present in the Internet Routing Table: 23069
Origin-only ASes present in the Internet Routing Table: 20082
Origin ASes announcing only one prefix: 9607
Transit ASes present in the Internet Routing Table: 2987
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 3.3
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: 1579527101
Equivalent to 94 /8s, 37 /16s and 171 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 60.5
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 108166
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44460
Total APNIC prefixes after maximum aggregation: 17494
Prefixes being announced from the APNIC address blocks: 42005
Unique aggregates announced from the APNIC address blocks: 18269
APNIC Region origin ASes present in the Internet Routing Table: 2694
APNIC Region origin ASes announcing only one prefix: 759
APNIC Region transit ASes present in the Internet Routing Table: 409
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 261976448
Equivalent to 15 /8s, 157 /16s and 113 /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: 109818
Total ARIN prefixes after maximum aggregation: 60394
Prefixes being announced from the ARIN address blocks: 82133
Unique aggregates announced from the ARIN address blocks: 27563
ARIN Region origin ASes present in the Internet Routing Table: 10956
ARIN Region origin ASes announcing only one prefix: 4131
ARIN Region transit ASes present in the Internet Routing Table: 1012
Average ARIN Region AS path length visible: 2.8
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296757345
Equivalent to 17 /8s, 176 /16s and 40 /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: 40819
Total RIPE prefixes after maximum aggregation: 26613
Prefixes being announced from the RIPE address blocks: 37919
Unique aggregates announced from the RIPE address blocks: 24633
RIPE Region origin ASes present in the Internet Routing Table: 8472
RIPE Region origin ASes announcing only one prefix: 4429
RIPE Region transit ASes present in the Internet Routing Table: 1389
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 262537824
Equivalent to 15 /8s, 166 /16s and 2 /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: 12363
Total LACNIC prefixes after maximum aggregation: 3769
Prefixes being announced from the LACNIC address blocks: 10388
Unique aggregates announced from the LACNIC address blocks: 6000
LACNIC Region origin ASes present in the Internet Routing Table: 719
LACNIC Region origin ASes announcing only one prefix: 240
LACNIC Region transit ASes present in the Internet Routing Table: 128
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32423680
Equivalent to 1 /8s, 238 /16s and 191 /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: 2366
Total AfriNIC prefixes after maximum aggregation: 942
Prefixes being announced from the AfriNIC address blocks: 1661
Unique aggregates announced from the AfriNIC address blocks: 1002
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 23
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 15
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 979 255 64 Videsh Sanchar Nigam Ltd. Aut
9583 957 109 15 Sify Limited
9498 842 211 71 BHARTI BT INTERNET LTD.
4766 758 4436 310 Korea Telecom (KIX)
1221 653 1780 481 Telstra Pty Ltd
4538 594 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 446 85 19 Reliance Infocom Ltd Internet
17849 427 31 124 Telecommunications Technology
4802 408 84 148 Wantree Development
4812 395 732 60 China Telecom (Shanghai)
17974 370 129 12 PT TELEKOMUNIKASI INDONESIA
7474 355 210 227 SingTel Optus Pty Ltd
2907 341 1734 314 SINET Japan
10139 331 23 6 Meridian Telekoms
17557 327 27 160 Pakistan Telecom
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 297 5013 242 Deutsche Telekom AG
8220 285 471 268 COLT Telecommunications
24863 257 42 12 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 176 171 97 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 4992 6796 782 UUNET Technologies, Inc.
4323 3217 775 291 Time Warner Telecom
7018 1498 6284 967 AT&T WorldNet Services
705 1475 556 646 UUNET Technologies, Inc.
6197 1027 639 477 BellSouth Network Solutions,
721 983 21909 307 DLA Systems Automation Center
2386 964 561 731 AT&T Data Communications Serv
18566 958 272 8 Covad Communications
174 949 5770 885 Cogent Communications
1239 843 2765 595 Sprint
7046 819 234 677 UUNET Technologies, Inc.
19262 740 2292 190 Verizon Global Networks
20115 740 661 387 Charter Communications
11492 731 90 14 Cable One
22773 695 1744 43 Cox Communications, Inc.
209 683 3641 539 Qwest
7011 668 207 422 Citizens Utilities
852 602 1068 384 Telus Advanced Communications
19916 563 49 54 OLM LLC
2686 561 4321 99 IBM
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3217 2926 Time Warner Telecom
4134 1303 1064 CHINANET-BACKBONE
18566 958 950 Covad Communications
9583 957 942 Sify Limited
4755 979 915 Videsh Sanchar Nigam Ltd. Aut
705 1475 829 UUNET Technologies, Inc.
9498 842 771 BHARTI BT INTERNET LTD.
11492 731 717 Cable One
721 983 676 DLA Systems Automation Center
22773 695 652 Cox Communications, Inc.
4538 594 563 China Education and Research
6197 1027 550 BellSouth Network Solutions,
19262 740 550 Verizon Global Networks
8151 756 533 UniNet S.A. de C.V.
7018 1498 531 AT&T WorldNet Services
5668 536 518 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
19916 563 509 OLM LLC
855 558 489 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 /16:9014 /17:3510 /18:5726
/19:12440 /20:14173 /21:12563 /22:16057 /23:17333 /24:115139
/25:508 /26:494 /27:305 /28:226 /29:197 /30:528
/31:0 /32:119
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3720 4992 UUNET Technologies, Inc.
4323 1913 3217 Time Warner Telecom
18566 941 958 Covad Communications
705 922 1475 UUNET Technologies, Inc.
6197 806 1027 BellSouth Network Solutions,
9583 788 957 Sify Limited
7018 783 1498 AT&T WorldNet Services
11492 719 731 Cable One
2386 681 964 AT&T Data Communications Serv
7046 584 819 UUNET Technologies, Inc.
7011 573 668 Citizens Utilities
4766 569 758 Korea Telecom (KIX)
19916 557 563 OLM LLC
2686 516 561 IBM
9498 504 842 BHARTI BT INTERNET LTD.
15270 437 468 PaeTec.net -a division of Pae
855 436 558 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 4:8 8:46 11:1 12:1631 13:1
15:16 16:3 17:3 18:4 20:41 24:822
25:1 32:269 38:252 40:55 41:17 44:3
47:6 52:4 55:1 56:3 57:54 58:220
59:292 60:185 61:914 62:971 63:3379 64:3486
65:3623 66:3881 67:664 68:652 69:1621 70:389
71:89 72:893 74:77 75:6 80:786 81:694
82:670 83:394 84:406 85:698 86:360 87:445
88:172 89:430 121:19 122:6 123:1 124:370
125:639 128:151 129:207 130:118 131:314 132:38
133:8 134:163 135:48 136:175 137:87 138:224
139:133 140:518 141:135 142:390 143:190 144:238
145:41 146:325 147:140 148:352 149:180 150:113
151:119 152:78 153:117 154:6 155:222 156:172
157:179 158:165 159:174 160:93 161:88 162:218
163:166 164:294 165:229 166:184 167:244 168:602
169:128 170:360 171:14 190:201 192:5808 193:3424
194:2792 195:2199 196:923 198:4038 199:3386 200:4624
201:1041 202:6949 203:7173 204:4091 205:2176 206:2819
207:3612 208:3035 209:3810 210:2234 211:910 212:1371
213:1493 214:365 215:41 216:4383 217:1337 218:359
219:292 220:793 221:384 222:262
End of report
