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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 05 Oct, 2006
Analysis Summary
----------------
BGP routing table entries examined: 214061
Prefixes after maximum aggregation: 110428
Unique aggregates announced to Internet: 96668
Total ASes present in the Internet Routing Table: 23341
Origin-only ASes present in the Internet Routing Table: 20306
Origin ASes announcing only one prefix: 9745
Transit ASes present in the Internet Routing Table: 3035
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.9
Max AS path length visible: 33
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 33
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: 1596484941
Equivalent to 95 /8s, 40 /16s and 109 /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: 111222
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44841
Total APNIC prefixes after maximum aggregation: 17650
Prefixes being announced from the APNIC address blocks: 42347
Unique aggregates announced from the APNIC address blocks: 18290
APNIC Region origin ASes present in the Internet Routing Table: 2715
APNIC Region origin ASes announcing only one prefix: 757
APNIC Region transit ASes present in the Internet Routing Table: 416
Average APNIC Region AS path length visible: 6.4
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 262730512
Equivalent to 15 /8s, 168 /16s and 243 /24s
Percentage of available APNIC address space announced: 82.2
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: 112476
Total ARIN prefixes after maximum aggregation: 60952
Prefixes being announced from the ARIN address blocks: 84375
Unique aggregates announced from the ARIN address blocks: 27883
ARIN Region origin ASes present in the Internet Routing Table: 11042
ARIN Region origin ASes announcing only one prefix: 4188
ARIN Region transit ASes present in the Internet Routing Table: 1018
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 33
Number of ARIN addresses announced to Internet: 303913056
Equivalent to 18 /8s, 29 /16s and 88 /24s
Percentage of available ARIN address space announced: 78.8
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: 41859
Total RIPE prefixes after maximum aggregation: 27054
Prefixes being announced from the RIPE address blocks: 39000
Unique aggregates announced from the RIPE address blocks: 25076
RIPE Region origin ASes present in the Internet Routing Table: 8616
RIPE Region origin ASes announcing only one prefix: 4504
RIPE Region transit ASes present in the Internet Routing Table: 1415
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 266935904
Equivalent to 15 /8s, 233 /16s and 30 /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: 12428
Total LACNIC prefixes after maximum aggregation: 3818
Prefixes being announced from the LACNIC address blocks: 10446
Unique aggregates announced from the LACNIC address blocks: 6180
LACNIC Region origin ASes present in the Internet Routing Table: 729
LACNIC Region origin ASes announcing only one prefix: 250
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 6.8
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 32950272
Equivalent to 1 /8s, 246 /16s and 200 /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: 2425
Total AfriNIC prefixes after maximum aggregation: 954
Prefixes being announced from the AfriNIC address blocks: 1726
Unique aggregates announced from the AfriNIC address blocks: 1083
AfriNIC Region origin ASes present in the Internet Routing Table: 164
AfriNIC Region origin ASes announcing only one prefix: 46
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4297216
Equivalent to 0 /8s, 65 /16s and 146 /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 1242 8158 237 CHINANET-BACKBONE
4755 999 255 63 Videsh Sanchar Nigam Ltd. Aut
9498 856 212 72 BHARTI BT INTERNET LTD.
9583 854 109 19 Sify Limited
4766 742 4436 307 Korea Telecom (KIX)
1221 647 1780 478 Telstra Pty Ltd
4538 599 2718 32 China Education and Research
7545 541 124 75 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
18101 458 85 18 Reliance Infocom Ltd Internet
9443 454 111 74 Primus Telecommunications
9942 425 77 125 COMindico Australia
17849 425 31 128 Telecommunications Technology
4802 412 86 150 Wantree Development
4812 411 741 63 China Telecom (Shanghai)
17974 370 129 12 PT TELEKOMUNIKASI INDONESIA
17557 361 30 176 Pakistan Telecom
7474 357 210 226 SingTel Optus Pty Ltd
2907 340 1734 314 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 544 1928 423 UUNET - Commercial IP service
3215 395 1832 96 France Telecom Transpac
3301 310 1184 294 TeliaNet Sweden
3320 296 5013 241 Deutsche Telekom AG
8220 282 455 265 COLT Telecommunications
24863 272 41 29 LINKdotNET AS number
680 251 2041 247 DFN-IP service G-WiN
1257 245 740 170 SWIPnet Swedish IP Network
6746 244 91 222 Dynamic Network Technologies,
5089 240 1657 51 NTL Group Limited
3246 234 486 221 Song Networks
8708 220 278 207 Romania Data Systems S.A.
9116 218 134 23 Goldenlines main autonomous s
12322 216 1142 7 AS for Proxad ISP
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
8866 184 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 4957 6757 785 UUNET Technologies, Inc.
4323 3287 782 296 Time Warner Telecom
7018 1538 6249 983 AT&T WorldNet Services
705 1462 556 641 UUNET Technologies, Inc.
6197 1225 617 501 BellSouth Network Solutions,
2386 1174 611 744 AT&T Data Communications Serv
174 971 6824 894 Cogent Communications
18566 966 272 8 Covad Communications
721 962 21909 304 DLA Systems Automation Center
1239 846 2780 596 Sprint
7046 819 234 672 UUNET Technologies, Inc.
11492 750 90 13 Cable One
19262 748 2372 189 Verizon Global Networks
20115 746 669 388 Charter Communications
22773 713 1744 45 Cox Communications, Inc.
209 703 3630 552 Qwest
7011 671 208 424 Citizens Utilities
4355 623 305 90 EarthLink, Inc.
852 603 1070 386 Telus Advanced Communications
6478 589 1270 383 AT&T Worldnet Services
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3287 2991 Time Warner Telecom
4134 1242 1005 CHINANET-BACKBONE
18566 966 958 Covad Communications
4755 999 936 Videsh Sanchar Nigam Ltd. Aut
9583 854 835 Sify Limited
705 1462 821 UUNET Technologies, Inc.
9498 856 784 BHARTI BT INTERNET LTD.
11492 750 737 Cable One
6197 1225 724 BellSouth Network Solutions,
22773 713 668 Cox Communications, Inc.
721 962 658 DLA Systems Automation Center
4538 599 567 China Education and Research
19262 748 559 Verizon Global Networks
7018 1538 555 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
855 541 470 Canadian Research Network
7545 541 466 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 /15:771 /16:9071 /17:3573 /18:5825
/19:12581 /20:14350 /21:12806 /22:16479 /23:18009 /24:116326
/25:531 /26:499 /27:293 /28:213 /29:222 /30:1586
/31:0 /32:137
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3682 4957 UUNET Technologies, Inc.
4323 1946 3287 Time Warner Telecom
6197 1007 1225 BellSouth Network Solutions,
18566 949 966 Covad Communications
705 917 1462 UUNET Technologies, Inc.
2386 888 1174 AT&T Data Communications Serv
7018 811 1538 AT&T WorldNet Services
11492 738 750 Cable One
9583 686 854 Sify Limited
7011 578 671 Citizens Utilities
7046 577 819 UUNET Technologies, Inc.
19916 559 565 OLM LLC
4766 551 742 Korea Telecom (KIX)
2686 519 561 IBM
9498 512 856 BHARTI BT INTERNET LTD.
15270 437 468 PaeTec.net -a division of Pae
4755 430 999 Videsh Sanchar Nigam Ltd. Aut
855 424 541 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 12:1669 13:1 15:16
16:3 17:3 18:4 20:41 24:828 25:1
32:266 38:258 40:56 41:20 44:3 47:7
52:4 53:1 55:1 56:3 57:53 58:228
59:294 60:206 61:918 62:1063 63:3395 64:3532
65:3643 66:3886 67:667 68:660 69:1674 70:397
71:90 72:943 74:83 75:8 80:847 81:700
82:617 83:400 84:428 85:691 86:407 87:579
88:202 89:482 121:54 122:13 124:374 125:650
128:287 129:229 130:120 131:312 132:35 133:10
134:167 135:51 136:177 137:89 138:170 139:129
140:528 141:134 142:366 143:192 144:243 145:43
146:322 147:143 148:362 149:180 150:115 151:121
152:79 153:121 154:6 155:232 156:160 157:165
158:155 159:172 160:98 161:88 162:218 163:153
164:277 165:227 166:239 167:249 168:604 169:129
170:376 171:11 172:1 190:224 192:5843 193:3513
194:2804 195:2239 196:964 198:4041 199:3402 200:4476
201:968 202:7018 203:7218 204:4108 205:2218 206:2833
207:3674 208:3054 209:3906 210:2151 211:885 212:1405
213:1535 214:378 215:40 216:4381 217:1333 218:361
219:284 220:788 221:326 222:240
End of report
