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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 29 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 212381
Prefixes after maximum aggregation: 110444
Unique aggregates announced to Internet: 96719
Total ASes present in the Internet Routing Table: 23299
Origin-only ASes present in the Internet Routing Table: 20277
Origin ASes announcing only one prefix: 9712
Transit ASes present in the Internet Routing Table: 3022
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 34
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1594258876
Equivalent to 95 /8s, 6 /16s and 117 /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: 109676
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44959
Total APNIC prefixes after maximum aggregation: 17689
Prefixes being announced from the APNIC address blocks: 42478
Unique aggregates announced from the APNIC address blocks: 18559
APNIC Region origin ASes present in the Internet Routing Table: 2716
APNIC Region origin ASes announcing only one prefix: 759
APNIC Region transit ASes present in the Internet Routing Table: 416
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262725888
Equivalent to 15 /8s, 168 /16s and 225 /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: 111263
Total ARIN prefixes after maximum aggregation: 60998
Prefixes being announced from the ARIN address blocks: 83086
Unique aggregates announced from the ARIN address blocks: 27842
ARIN Region origin ASes present in the Internet Routing Table: 11019
ARIN Region origin ASes announcing only one prefix: 4169
ARIN Region transit ASes present in the Internet Routing Table: 1018
Average ARIN Region AS path length visible: 3.2
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 302166112
Equivalent to 18 /8s, 2 /16s and 176 /24s
Percentage of available ARIN address space announced: 78.3
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: 41526
Total RIPE prefixes after maximum aggregation: 26992
Prefixes being announced from the RIPE address blocks: 38668
Unique aggregates announced from the RIPE address blocks: 25018
RIPE Region origin ASes present in the Internet Routing Table: 8594
RIPE Region origin ASes announcing only one prefix: 4485
RIPE Region transit ASes present in the Internet Routing Table: 1401
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 266566624
Equivalent to 15 /8s, 227 /16s and 123 /24s
Percentage of available RIPE address space announced: 72.2
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: 12171
Total LACNIC prefixes after maximum aggregation: 3819
Prefixes being announced from the LACNIC address blocks: 10183
Unique aggregates announced from the LACNIC address blocks: 6086
LACNIC Region origin ASes present in the Internet Routing Table: 729
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 32785664
Equivalent to 1 /8s, 244 /16s and 69 /24s
Percentage of available LACNIC address space announced: 48.9
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: 2429
Total AfriNIC prefixes after maximum aggregation: 946
Prefixes being announced from the AfriNIC address blocks: 1713
Unique aggregates announced from the AfriNIC address blocks: 1069
AfriNIC Region origin ASes present in the Internet Routing Table: 163
AfriNIC Region origin ASes announcing only one prefix: 48
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: 14
Number of AfriNIC addresses announced to Internet: 4248320
Equivalent to 0 /8s, 64 /16s and 211 /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 1239 8140 238 CHINANET-BACKBONE
4755 992 255 64 Videsh Sanchar Nigam Ltd. Aut
9583 954 108 58 Sify Limited
9498 854 212 72 BHARTI BT INTERNET LTD.
4766 742 4436 307 Korea Telecom (KIX)
1221 647 1780 478 Telstra Pty Ltd
4538 598 2718 32 China Education and Research
7545 538 124 72 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
18101 455 87 19 Reliance Infocom Ltd Internet
9443 454 111 74 Primus Telecommunications
9942 424 77 121 COMindico Australia
17849 424 31 127 Telecommunications Technology
4802 412 86 150 Wantree Development
4812 407 741 62 China Telecom (Shanghai)
17974 375 129 12 PT TELEKOMUNIKASI INDONESIA
17557 364 30 174 Pakistan Telecom
7474 355 210 225 SingTel Optus Pty Ltd
2907 341 1734 315 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 544 1928 424 UUNET - Commercial IP service
3215 394 1832 96 France Telecom Transpac
3301 315 1186 299 TeliaNet Sweden
3320 299 5014 243 Deutsche Telekom AG
8220 279 455 263 COLT Telecommunications
24863 273 41 30 LINKdotNET AS number
680 251 2041 247 DFN-IP service G-WiN
5089 245 1657 51 NTL Group Limited
1257 244 740 169 SWIPnet Swedish IP Network
6746 240 90 219 Dynamic Network Technologies,
3246 233 486 220 Song Networks
8708 217 278 204 Romania Data Systems S.A.
3269 203 2261 73 TELECOM ITALIA
30890 202 18 79 SC Kappa Invexim SRL
8551 200 182 27 Bezeq International
6830 199 879 43 UPC Distribution Services
9116 198 134 23 Goldenlines main autonomous s
8866 186 37 15 Bulgarian Telecommunication C
5416 182 12 7 BATELCO-BH
3300 179 171 97 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4977 6742 781 UUNET Technologies, Inc.
4323 3289 782 296 Time Warner Telecom
7018 1537 6281 999 AT&T WorldNet Services
705 1471 555 642 UUNET Technologies, Inc.
2386 1169 594 844 AT&T Data Communications Serv
6197 1024 643 477 BellSouth Network Solutions,
174 973 6810 901 Cogent Communications
721 968 21877 304 DLA Systems Automation Center
18566 963 272 8 Covad Communications
1239 830 2747 582 Sprint
7046 819 234 673 UUNET Technologies, Inc.
11492 750 90 13 Cable One
19262 745 2340 188 Verizon Global Networks
20115 743 666 387 Charter Communications
22773 710 1744 43 Cox Communications, Inc.
209 704 3631 553 Qwest
7011 671 209 425 Citizens Utilities
4355 603 305 87 EarthLink, Inc.
852 596 1069 383 Telus Advanced Communications
6478 588 1269 382 AT&T Worldnet Services
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3289 2993 Time Warner Telecom
4134 1239 1001 CHINANET-BACKBONE
18566 963 955 Covad Communications
4755 992 928 Videsh Sanchar Nigam Ltd. Aut
9583 954 896 Sify Limited
705 1471 829 UUNET Technologies, Inc.
9498 854 782 BHARTI BT INTERNET LTD.
11492 750 737 Cable One
22773 710 667 Cox Communications, Inc.
721 968 664 DLA Systems Automation Center
4538 598 566 China Education and Research
19262 745 557 Verizon Global Networks
6197 1024 547 BellSouth Network Solutions,
7018 1537 538 AT&T WorldNet Services
17488 534 522 Hathway IP Over Cable Interne
5668 537 519 CenturyTel Internet Holdings,
4355 603 516 EarthLink, Inc.
19916 565 511 OLM LLC
855 552 478 Canadian Research Network
7545 538 466 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
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
65001 PRIVATE 88.213.181.0/24 28929 Tiziano D'Inca' - AS
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
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
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 /15:768 /16:9062 /17:3565 /18:5820
/19:12569 /20:14307 /21:12761 /22:16328 /23:17828 /24:116433
/25:521 /26:482 /27:283 /28:176 /29:153 /30:456
/31:0 /32:81
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3694 4977 UUNET Technologies, Inc.
4323 1946 3289 Time Warner Telecom
18566 946 963 Covad Communications
705 921 1471 UUNET Technologies, Inc.
2386 885 1169 AT&T Data Communications Serv
6197 803 1024 BellSouth Network Solutions,
7018 795 1537 AT&T WorldNet Services
9583 786 954 Sify Limited
11492 738 750 Cable One
7046 577 819 UUNET Technologies, Inc.
7011 576 671 Citizens Utilities
19916 559 565 OLM LLC
4766 551 742 Korea Telecom (KIX)
2686 516 556 IBM
9498 510 854 BHARTI BT INTERNET LTD.
15270 436 467 PaeTec.net -a division of Pae
855 432 552 Canadian Research Network
4755 429 992 Videsh Sanchar Nigam Ltd. Aut
5668 419 537 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:52 12:1672 13:1 15:16
16:3 17:3 18:4 20:41 24:834 25:1
32:265 38:253 40:56 41:19 44:3 47:7
52:4 55:1 56:3 57:53 58:232 59:295
60:185 61:916 62:1054 63:3397 64:3533 65:3650
66:3892 67:665 68:659 69:1662 70:394 71:89
72:939 74:81 75:7 80:830 81:694 82:606
83:401 84:424 85:674 86:434 87:468 88:194
89:485 121:36 122:14 123:1 124:375 125:645
128:278 129:229 130:119 131:312 132:35 133:10
134:167 135:51 136:177 137:88 138:224 139:129
140:524 141:134 142:383 143:192 144:242 145:42
146:321 147:142 148:363 149:177 150:115 151:120
152:79 153:121 154:6 155:231 156:159 157:198
158:156 159:176 160:98 161:87 162:218 163:167
164:275 165:230 166:238 167:249 168:604 169:129
170:376 171:11 172:1 190:223 192:5845 193:3507
194:2807 195:2237 196:962 198:4047 199:3401 200:4383
201:928 202:7100 203:7213 204:4116 205:2210 206:2834
207:3678 208:3056 209:3910 210:2272 211:886 212:1435
213:1550 214:380 215:37 216:4383 217:1343 218:361
219:293 220:795 221:385 222:241
End of report
