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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 20 Oct, 2006
Analysis Summary
----------------
BGP routing table entries examined: 215923
Prefixes after maximum aggregation: 110954
Unique aggregates announced to Internet: 97316
Total ASes present in the Internet Routing Table: 23510
Origin-only ASes present in the Internet Routing Table: 20407
Origin ASes announcing only one prefix: 9822
Transit ASes present in the Internet Routing Table: 3103
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 52
Max AS path prepend of ASN (14282) 48
Prefixes from unregistered ASNs in the Routing Table: 34
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1618117525
Equivalent to 96 /8s, 114 /16s and 131 /24s
Percentage of available address space announced: 43.7
Percentage of allocated address space announced: 60.4
Percentage of available address space allocated: 72.3
Total number of prefixes smaller than registry allocations: 112494
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45499
Total APNIC prefixes after maximum aggregation: 17832
Prefixes being announced from the APNIC address blocks: 42996
Unique aggregates announced from the APNIC address blocks: 18361
APNIC Region origin ASes present in the Internet Routing Table: 2740
APNIC Region origin ASes announcing only one prefix: 765
APNIC Region transit ASes present in the Internet Routing Table: 425
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 263623696
Equivalent to 15 /8s, 182 /16s and 148 /24s
Percentage of available APNIC address space announced: 82.4
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: 112726
Total ARIN prefixes after maximum aggregation: 61095
Prefixes being announced from the ARIN address blocks: 84518
Unique aggregates announced from the ARIN address blocks: 28020
ARIN Region origin ASes present in the Internet Routing Table: 11095
ARIN Region origin ASes announcing only one prefix: 4211
ARIN Region transit ASes present in the Internet Routing Table: 1061
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 32
Number of ARIN addresses announced to Internet: 305279352
Equivalent to 18 /8s, 50 /16s and 49 /24s
Percentage of available ARIN address space announced: 67.4
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 42231
Total RIPE prefixes after maximum aggregation: 27234
Prefixes being announced from the RIPE address blocks: 39355
Unique aggregates announced from the RIPE address blocks: 25259
RIPE Region origin ASes present in the Internet Routing Table: 8690
RIPE Region origin ASes announcing only one prefix: 4550
RIPE Region transit ASes present in the Internet Routing Table: 1414
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 269006784
Equivalent to 16 /8s, 8 /16s and 183 /24s
Percentage of available RIPE address space announced: 72.9
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: 12992
Total LACNIC prefixes after maximum aggregation: 3836
Prefixes being announced from the LACNIC address blocks: 10974
Unique aggregates announced from the LACNIC address blocks: 6422
LACNIC Region origin ASes present in the Internet Routing Table: 739
LACNIC Region origin ASes announcing only one prefix: 246
LACNIC Region transit ASes present in the Internet Routing Table: 134
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 52
Number of LACNIC addresses announced to Internet: 33486848
Equivalent to 1 /8s, 254 /16s and 248 /24s
Percentage of available LACNIC address space announced: 49.9
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: 2442
Total AfriNIC prefixes after maximum aggregation: 957
Prefixes being announced from the AfriNIC address blocks: 1750
Unique aggregates announced from the AfriNIC address blocks: 1037
AfriNIC Region origin ASes present in the Internet Routing Table: 166
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: 4.1
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 4313856
Equivalent to 0 /8s, 65 /16s and 211 /24s
Percentage of available AfriNIC address space announced: 12.9
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 1241 8176 238 CHINANET-BACKBONE
4755 1010 255 62 Videsh Sanchar Nigam Ltd. Aut
9583 954 109 15 Sify Limited
9498 855 211 66 BHARTI BT INTERNET LTD.
4766 739 4436 307 Korea Telecom (KIX)
4538 668 2782 34 China Education and Research
1221 653 1780 482 Telstra Pty Ltd
7545 543 124 75 TPG Internet Pty Ltd
17488 538 33 13 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
18101 463 86 21 Reliance Infocom Ltd Internet
9443 454 111 74 Primus Telecommunications
17849 431 36 127 Telecommunications Technology
9942 428 77 123 COMindico Australia
4802 415 86 152 Wantree Development
4812 412 741 63 China Telecom (Shanghai)
17557 368 31 178 Pakistan Telecom
17974 367 129 12 PT TELEKOMUNIKASI INDONESIA
7474 360 210 227 SingTel Optus Pty Ltd
10139 353 23 6 Meridian Telekoms
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1928 424 UUNET - Commercial IP service
3215 402 1872 93 France Telecom Transpac
24863 367 42 14 LINKdotNET AS number
3301 314 1200 298 TeliaNet Sweden
3320 305 5016 246 Deutsche Telekom AG
8220 283 455 266 COLT Telecommunications
680 251 2041 247 DFN-IP service G-WiN
1257 246 740 170 SWIPnet Swedish IP Network
6746 245 91 223 Dynamic Network Technologies,
5089 244 1657 52 NTL Group Limited
3246 231 469 218 Song Networks
9116 226 134 23 Goldenlines main autonomous s
8708 222 279 209 Romania Data Systems S.A.
8551 216 198 28 Bezeq International
3269 204 2277 74 TELECOM ITALIA
30890 204 18 79 SC Kappa Invexim SRL
12715 202 40 29 Jazz Telecom S.A.
6830 200 879 43 UPC Distribution Services
5416 187 12 7 BATELCO-BH
8866 184 37 15 Bulgarian Telecommunication C
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4946 6755 776 UUNET Technologies, Inc.
4323 3305 786 294 Time Warner Telecom
7018 1538 6250 989 AT&T WorldNet Services
705 1461 555 640 UUNET Technologies, Inc.
6197 1222 623 492 BellSouth Network Solutions,
2386 1181 618 751 AT&T Data Communications Serv
18566 967 272 8 Covad Communications
174 959 6807 882 Cogent Communications
721 959 21925 306 DLA Systems Automation Center
1239 843 2774 590 Sprint
7046 831 237 678 UUNET Technologies, Inc.
19262 760 2410 177 Verizon Global Networks
20115 749 676 395 Charter Communications
22773 719 1744 45 Cox Communications, Inc.
209 705 3633 554 Qwest
7011 682 210 427 Citizens Utilities
11492 673 90 16 Cable One
852 606 1071 388 Telus Advanced Communications
19916 565 49 54 OLM LLC
2686 555 4295 95 IBM
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3305 3011 Time Warner Telecom
4134 1241 1003 CHINANET-BACKBONE
18566 967 959 Covad Communications
4755 1010 948 Videsh Sanchar Nigam Ltd. Aut
9583 954 939 Sify Limited
705 1461 821 UUNET Technologies, Inc.
9498 855 789 BHARTI BT INTERNET LTD.
6197 1222 730 BellSouth Network Solutions,
22773 719 674 Cox Communications, Inc.
11492 673 657 Cable One
721 959 653 DLA Systems Automation Center
4538 668 634 China Education and Research
19262 760 583 Verizon Global Networks
7018 1538 549 AT&T WorldNet Services
17488 538 525 Hathway IP Over Cable Interne
5668 538 520 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
7545 543 468 TPG Internet Pty Ltd
855 535 465 Canadian Research Network
8151 689 463 UniNet S.A. de C.V.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65503 PRIVATE 66.43.242.0/24 5056 Iowa Network Service
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
65503 PRIVATE 67.55.168.0/24 5056 Iowa Network Service
65503 PRIVATE 67.55.216.0/24 5056 Iowa Network Service
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
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65503 PRIVATE 167.142.186.192/26 5056 Iowa Network Service
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65503 PRIVATE 207.177.49.0/24 5056 Iowa Network Service
65503 PRIVATE 207.177.105.0/24 5056 Iowa Network Service
65503 PRIVATE 207.177.106.0/24 5056 Iowa Network Service
65503 PRIVATE 207.199.206.0/24 5056 Iowa Network Service
65503 PRIVATE 207.199.224.0/24 5056 Iowa Network Service
65503 PRIVATE 209.152.67.0/24 5056 Iowa Network Service
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
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
65018 PRIVATE 213.235.24.216/29 8190 VIATEL
65013 PRIVATE 213.235.33.0/27 8190 VIATEL
65017 PRIVATE 213.235.48.96/28 8190 VIATEL
65503 PRIVATE 216.51.135.0/24 5056 Iowa Network Service
65503 PRIVATE 216.51.155.0/24 5056 Iowa Network Service
65503 PRIVATE 216.51.224.0/24 5056 Iowa Network Service
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
172.20.121.25/32 4355 EarthLink, Inc.
192.0.2.0/24 812 Rogers WAVE
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
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 /9:10 /10:13 /11:29 /12:109
/13:224 /14:388 /15:781 /16:9079 /17:3583 /18:5855
/19:12736 /20:14543 /21:12942 /22:16623 /23:18058 /24:117321
/25:567 /26:522 /27:300 /28:230 /29:238 /30:1613
/31:2 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3674 4946 UUNET Technologies, Inc.
4323 1966 3305 Time Warner Telecom
6197 1003 1222 BellSouth Network Solutions,
18566 950 967 Covad Communications
705 916 1461 UUNET Technologies, Inc.
2386 894 1181 AT&T Data Communications Serv
7018 808 1538 AT&T WorldNet Services
9583 782 954 Sify Limited
11492 662 673 Cable One
7011 589 682 Citizens Utilities
7046 583 831 UUNET Technologies, Inc.
19916 559 565 OLM LLC
4766 549 739 Korea Telecom (KIX)
2686 520 555 IBM
9498 520 855 BHARTI BT INTERNET LTD.
15270 442 473 PaeTec.net -a division of Pae
4755 441 1010 Videsh Sanchar Nigam Ltd. Aut
855 434 535 Canadian Research Network
5668 420 538 CenturyTel Internet Holdings,
17849 417 431 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:7 6:1 8:54 12:1656 13:1
15:16 16:3 17:3 18:4 20:37 24:807
25:1 32:266 38:257 40:57 41:22 44:3
47:7 52:4 53:1 55:1 56:3 57:53
58:233 59:330 60:219 61:944 62:1196 63:3401
64:3575 65:3639 66:3891 67:674 68:653 69:1684
70:407 71:92 72:981 74:89 75:9 80:852
81:716 82:642 83:398 84:433 85:693 86:419
87:479 88:234 89:551 91:30 121:59 122:18
124:418 125:665 128:281 129:227 130:123 131:315
132:35 133:10 134:168 135:50 136:177 137:111
138:185 139:130 140:524 141:131 142:365 143:193
144:243 145:43 146:322 147:143 148:371 149:179
150:116 151:121 152:79 153:121 154:6 155:257
156:160 157:169 158:151 159:173 160:102 161:89
162:216 163:174 164:283 165:239 166:239 167:274
168:604 169:128 170:384 171:11 172:1 189:4
190:256 192:5832 193:3545 194:2811 195:2253 196:969
198:4037 199:3403 200:4558 201:923 202:7134 203:7194
204:4108 205:2245 206:2842 207:3620 208:3035 209:3815
210:2247 211:990 212:1407 213:1561 214:375 215:39
216:4393 217:1340 218:360 219:294 220:796 221:381
222:242
End of report
