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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 04 Oct, 2006
Analysis Summary
----------------
BGP routing table entries examined: 214310
Prefixes after maximum aggregation: 110388
Unique aggregates announced to Internet: 96655
Total ASes present in the Internet Routing Table: 23340
Origin-only ASes present in the Internet Routing Table: 20295
Origin ASes announcing only one prefix: 9754
Transit ASes present in the Internet Routing Table: 3045
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.2
Max AS path length visible: 29
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 33
Unregistered ASNs in the Routing Table: 16
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1596296285
Equivalent to 95 /8s, 37 /16s and 140 /24s
Percentage of available address space announced: 43.1
Percentage of allocated address space announced: 61.1
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 111411
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45132
Total APNIC prefixes after maximum aggregation: 17653
Prefixes being announced from the APNIC address blocks: 42645
Unique aggregates announced from the APNIC address blocks: 18377
APNIC Region origin ASes present in the Internet Routing Table: 2721
APNIC Region origin ASes announcing only one prefix: 760
APNIC Region transit ASes present in the Internet Routing Table: 422
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 262658064
Equivalent to 15 /8s, 167 /16s and 216 /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: 112495
Total ARIN prefixes after maximum aggregation: 60974
Prefixes being announced from the ARIN address blocks: 84401
Unique aggregates announced from the ARIN address blocks: 27859
ARIN Region origin ASes present in the Internet Routing Table: 11035
ARIN Region origin ASes announcing only one prefix: 4194
ARIN Region transit ASes present in the Internet Routing Table: 1039
Average ARIN Region AS path length visible: 2.8
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 303856992
Equivalent to 18 /8s, 28 /16s and 125 /24s
Percentage of available ARIN address space announced: 78.7
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: 41817
Total RIPE prefixes after maximum aggregation: 27005
Prefixes being announced from the RIPE address blocks: 38994
Unique aggregates announced from the RIPE address blocks: 25012
RIPE Region origin ASes present in the Internet Routing Table: 8611
RIPE Region origin ASes announcing only one prefix: 4502
RIPE Region transit ASes present in the Internet Routing Table: 1396
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 266823792
Equivalent to 15 /8s, 231 /16s and 104 /24s
Percentage of available RIPE address space announced: 72.3
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: 12417
Total LACNIC prefixes after maximum aggregation: 3801
Prefixes being announced from the LACNIC address blocks: 10432
Unique aggregates announced from the LACNIC address blocks: 6177
LACNIC Region origin ASes present in the Internet Routing Table: 731
LACNIC Region origin ASes announcing only one prefix: 249
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 32939008
Equivalent to 1 /8s, 246 /16s and 156 /24s
Percentage of available LACNIC address space announced: 49.1
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: 2417
Total AfriNIC prefixes after maximum aggregation: 955
Prefixes being announced from the AfriNIC address blocks: 1708
Unique aggregates announced from the AfriNIC address blocks: 1081
AfriNIC Region origin ASes present in the Internet Routing Table: 166
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4289536
Equivalent to 0 /8s, 65 /16s and 116 /24s
Percentage of available AfriNIC address space announced: 12.8
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 8156 236 CHINANET-BACKBONE
4755 999 255 63 Videsh Sanchar Nigam Ltd. Aut
9583 954 109 19 Sify Limited
9498 856 212 72 BHARTI BT INTERNET LTD.
4766 742 4436 307 Korea Telecom (KIX)
1221 648 1780 478 Telstra Pty Ltd
4538 599 2718 32 China Education and Research
7545 540 124 74 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
18101 455 85 18 Reliance Infocom Ltd Internet
9443 454 111 74 Primus Telecommunications
9942 427 77 126 COMindico Australia
17849 425 31 128 Telecommunications Technology
4802 413 86 150 Wantree Development
4812 411 741 63 China Telecom (Shanghai)
17974 370 129 12 PT TELEKOMUNIKASI INDONESIA
17557 364 30 175 Pakistan Telecom
7474 357 210 226 SingTel Optus Pty Ltd
2907 339 1734 313 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 545 1928 424 UUNET - Commercial IP service
3215 395 1832 96 France Telecom Transpac
12322 347 1142 7 AS for Proxad ISP
3301 311 1184 295 TeliaNet Sweden
3320 296 5013 241 Deutsche Telekom AG
8220 282 455 265 COLT Telecommunications
24863 273 41 30 LINKdotNET AS number
680 251 2041 247 DFN-IP service G-WiN
1257 244 740 169 SWIPnet Swedish IP Network
5089 240 1657 51 NTL Group Limited
6746 240 90 218 Dynamic Network Technologies,
3246 233 486 220 Song Networks
8708 220 278 207 Romania Data Systems S.A.
3269 203 2261 73 TELECOM ITALIA
30890 201 18 78 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 185 37 15 Bulgarian Telecommunication C
5416 182 12 7 BATELCO-BH
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4983 6759 786 UUNET Technologies, Inc.
4323 3286 781 294 Time Warner Telecom
7018 1551 6250 1003 AT&T WorldNet Services
705 1463 555 641 UUNET Technologies, Inc.
6197 1225 628 495 BellSouth Network Solutions,
2386 1174 611 744 AT&T Data Communications Serv
174 973 6825 896 Cogent Communications
18566 965 272 8 Covad Communications
721 960 21909 303 DLA Systems Automation Center
1239 844 2780 594 Sprint
7046 819 234 673 UUNET Technologies, Inc.
11492 750 90 13 Cable One
19262 749 2372 189 Verizon Global Networks
20115 744 667 386 Charter Communications
22773 710 1744 43 Cox Communications, Inc.
209 706 3631 554 Qwest
7011 671 208 424 Citizens Utilities
4355 623 305 90 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 3286 2992 Time Warner Telecom
4134 1241 1005 CHINANET-BACKBONE
18566 965 957 Covad Communications
4755 999 936 Videsh Sanchar Nigam Ltd. Aut
9583 954 935 Sify Limited
705 1463 822 UUNET Technologies, Inc.
9498 856 784 BHARTI BT INTERNET LTD.
11492 750 737 Cable One
6197 1225 730 BellSouth Network Solutions,
22773 710 667 Cox Communications, Inc.
721 960 657 DLA Systems Automation Center
4538 599 567 China Education and Research
19262 749 560 Verizon Global Networks
7018 1551 548 AT&T WorldNet Services
4355 623 533 EarthLink, Inc.
17488 534 522 Hathway IP Over Cable Interne
5668 537 519 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 541 471 Canadian Research Network
7545 540 466 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
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
172.16.2.32/27 6325 Illinois Century Network
172.16.2.80/28 6325 Illinois Century Network
172.20.121.25/32 4355 EarthLink, Inc.
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 /8:18 /9:9 /10:13 /11:31 /12:108
/13:224 /14:386 /15:770 /16:9069 /17:3572 /18:5826
/19:12573 /20:14369 /21:12799 /22:16495 /23:18111 /24:116434
/25:531 /26:499 /27:303 /28:214 /29:220 /30:1599
/31:0 /32:137
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3698 4983 UUNET Technologies, Inc.
4323 1947 3286 Time Warner Telecom
6197 1007 1225 BellSouth Network Solutions,
18566 948 965 Covad Communications
705 917 1463 UUNET Technologies, Inc.
2386 888 1174 AT&T Data Communications Serv
7018 815 1551 AT&T WorldNet Services
9583 785 954 Sify Limited
11492 738 750 Cable One
7011 578 671 Citizens Utilities
7046 578 819 UUNET Technologies, Inc.
19916 559 565 OLM LLC
4766 551 742 Korea Telecom (KIX)
2686 517 559 IBM
9498 513 856 BHARTI BT INTERNET LTD.
15270 436 467 PaeTec.net -a division of Pae
4755 430 999 Videsh Sanchar Nigam Ltd. Aut
855 425 541 Canadian Research Network
5668 419 537 CenturyTel Internet Holdings,
17849 413 425 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:52 12:1667 13:1 15:16
16:3 17:3 18:4 20:41 24:825 25:1
32:265 38:257 40:56 41:20 44:3 47:7
52:4 53:1 55:1 56:3 57:53 58:229
59:294 60:219 61:914 62:1061 63:3400 64:3541
65:3645 66:3884 67:667 68:660 69:1671 70:395
71:89 72:943 74:82 75:8 80:832 81:700
82:617 83:396 84:425 85:667 86:409 87:470
88:210 89:479 121:52 122:13 124:375 125:649
128:283 129:229 130:120 131:312 132:35 133:10
134:167 135:51 136:177 137:88 138:166 139:129
140:524 141:134 142:367 143:191 144:242 145:43
146:320 147:142 148:361 149:180 150:115 151:121
152:79 153:121 154:6 155:231 156:160 157:165
158:155 159:174 160:98 161:88 162:217 163:153
164:276 165:224 166:239 167:249 168:604 169:129
170:374 171:11 172:1 190:223 192:5838 193:3508
194:2803 195:2246 196:947 198:4043 199:3401 200:4449
201:995 202:7107 203:7220 204:4110 205:2217 206:2833
207:3680 208:3066 209:3902 210:2239 211:885 212:1404
213:1534 214:380 215:40 216:4397 217:1344 218:361
219:294 220:791 221:386 222:241
End of report
