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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 27 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 212176
Prefixes after maximum aggregation: 110409
Unique aggregates announced to Internet: 96755
Total ASes present in the Internet Routing Table: 23265
Origin-only ASes present in the Internet Routing Table: 20214
Origin ASes announcing only one prefix: 9693
Transit ASes present in the Internet Routing Table: 3051
Transit-only ASes present in the Internet Routing Table: 70
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 30
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 36
Unregistered ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1593819197
Equivalent to 94 /8s, 255 /16s and 192 /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: 109615
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45100
Total APNIC prefixes after maximum aggregation: 17732
Prefixes being announced from the APNIC address blocks: 42596
Unique aggregates announced from the APNIC address blocks: 18575
APNIC Region origin ASes present in the Internet Routing Table: 2715
APNIC Region origin ASes announcing only one prefix: 756
APNIC Region transit ASes present in the Internet Routing Table: 419
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 262615552
Equivalent to 15 /8s, 167 /16s and 50 /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: 110940
Total ARIN prefixes after maximum aggregation: 60991
Prefixes being announced from the ARIN address blocks: 82797
Unique aggregates announced from the ARIN address blocks: 27843
ARIN Region origin ASes present in the Internet Routing Table: 11018
ARIN Region origin ASes announcing only one prefix: 4164
ARIN Region transit ASes present in the Internet Routing Table: 1026
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 302100577
Equivalent to 18 /8s, 1 /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: 41481
Total RIPE prefixes after maximum aggregation: 26937
Prefixes being announced from the RIPE address blocks: 38613
Unique aggregates announced from the RIPE address blocks: 25004
RIPE Region origin ASes present in the Internet Routing Table: 8569
RIPE Region origin ASes announcing only one prefix: 4476
RIPE Region transit ASes present in the Internet Routing Table: 1417
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 266445152
Equivalent to 15 /8s, 225 /16s and 161 /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: 12230
Total LACNIC prefixes after maximum aggregation: 3798
Prefixes being announced from the LACNIC address blocks: 10245
Unique aggregates announced from the LACNIC address blocks: 6122
LACNIC Region origin ASes present in the Internet Routing Table: 730
LACNIC Region origin ASes announcing only one prefix: 250
LACNIC Region transit ASes present in the Internet Routing Table: 134
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 32761856
Equivalent to 1 /8s, 243 /16s and 232 /24s
Percentage of available LACNIC address space announced: 48.8
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: 2390
Total AfriNIC prefixes after maximum aggregation: 951
Prefixes being announced from the AfriNIC address blocks: 1684
Unique aggregates announced from the AfriNIC address blocks: 1065
AfriNIC Region origin ASes present in the Internet Routing Table: 163
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4246272
Equivalent to 0 /8s, 64 /16s and 203 /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 989 255 62 Videsh Sanchar Nigam Ltd. Aut
9583 949 108 60 Sify Limited
9498 855 212 72 BHARTI BT INTERNET LTD.
4766 766 4436 310 Korea Telecom (KIX)
1221 648 1780 479 Telstra Pty Ltd
4538 598 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.
9443 454 111 74 Primus Telecommunications
18101 454 85 18 Reliance Infocom Ltd Internet
9942 429 77 124 COMindico Australia
17849 425 31 128 Telecommunications Technology
4802 412 84 150 Wantree Development
4812 400 741 61 China Telecom (Shanghai)
17974 375 129 12 PT TELEKOMUNIKASI INDONESIA
17557 361 29 172 Pakistan Telecom
7474 354 210 224 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
702 546 1929 426 UUNET - Commercial IP service
3215 394 1832 96 France Telecom Transpac
3301 316 1187 300 TeliaNet Sweden
3320 297 5013 242 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
5089 245 1657 51 NTL Group Limited
1257 244 740 169 SWIPnet Swedish IP Network
6746 239 90 218 Dynamic Network Technologies,
3246 233 486 220 Song Networks
9116 224 134 23 Goldenlines main autonomous s
8708 216 278 203 Romania Data Systems S.A.
3269 204 2262 74 TELECOM ITALIA
30890 202 18 79 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
3300 177 171 96 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4980 6758 785 UUNET Technologies, Inc.
4323 3285 781 291 Time Warner Telecom
7018 1514 6280 988 AT&T WorldNet Services
705 1473 555 644 UUNET Technologies, Inc.
2386 1165 577 840 AT&T Data Communications Serv
6197 1029 627 490 BellSouth Network Solutions,
721 975 21909 306 DLA Systems Automation Center
174 974 6826 902 Cogent Communications
18566 962 272 8 Covad Communications
1239 844 2780 594 Sprint
7046 822 234 678 UUNET Technologies, Inc.
11492 750 90 13 Cable One
19262 746 2352 188 Verizon Global Networks
20115 742 664 386 Charter Communications
22773 708 1744 43 Cox Communications, Inc.
209 702 3631 552 Qwest
7011 671 209 425 Citizens Utilities
852 598 1069 385 Telus Advanced Communications
6478 588 1269 382 AT&T Worldnet Services
19916 565 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3285 2994 Time Warner Telecom
4134 1239 1001 CHINANET-BACKBONE
18566 962 954 Covad Communications
4755 989 927 Videsh Sanchar Nigam Ltd. Aut
9583 949 889 Sify Limited
705 1473 829 UUNET Technologies, Inc.
9498 855 783 BHARTI BT INTERNET LTD.
11492 750 737 Cable One
721 975 669 DLA Systems Automation Center
22773 708 665 Cox Communications, Inc.
4538 598 566 China Education and Research
19262 746 558 Verizon Global Networks
6197 1029 539 BellSouth Network Solutions,
7018 1514 526 AT&T WorldNet Services
17488 534 522 Hathway IP Over Cable Interne
5668 535 517 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 549 479 Canadian Research Network
7545 541 466 TPG Internet Pty Ltd
2686 557 462 IBM
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
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
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
/13:223 /14:386 /15:768 /16:9057 /17:3553 /18:5810
/19:12561 /20:14269 /21:12725 /22:16302 /23:17757 /24:116218
/25:522 /26:483 /27:294 /28:224 /29:198 /30:525
/31:0 /32:121
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3699 4980 UUNET Technologies, Inc.
4323 1949 3285 Time Warner Telecom
18566 945 962 Covad Communications
705 921 1473 UUNET Technologies, Inc.
2386 882 1165 AT&T Data Communications Serv
6197 809 1029 BellSouth Network Solutions,
7018 786 1514 AT&T WorldNet Services
9583 780 949 Sify Limited
11492 738 750 Cable One
7046 580 822 UUNET Technologies, Inc.
7011 576 671 Citizens Utilities
4766 575 766 Korea Telecom (KIX)
19916 559 565 OLM LLC
2686 516 557 IBM
9498 511 855 BHARTI BT INTERNET LTD.
15270 435 466 PaeTec.net -a division of Pae
855 433 549 Canadian Research Network
4755 424 989 Videsh Sanchar Nigam Ltd. Aut
5668 418 535 CenturyTel Internet Holdings,
17849 413 425 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:52 12:1673 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 47:6
52:4 55:1 56:3 57:53 58:241 59:293
60:190 61:924 62:1044 63:3387 64:3518 65:3646
66:3905 67:666 68:659 69:1656 70:395 71:89
72:933 74:80 75:7 80:843 81:689 82:597
83:410 84:427 85:663 86:436 87:465 88:191
89:481 121:36 122:14 123:1 124:370 125:643
128:280 129:230 130:119 131:312 132:35 133:10
134:167 135:51 136:177 137:87 138:224 139:133
140:526 141:134 142:384 143:192 144:244 145:42
146:321 147:141 148:361 149:177 150:114 151:119
152:79 153:122 154:6 155:232 156:158 157:198
158:156 159:176 160:98 161:88 162:218 163:167
164:276 165:228 166:237 167:250 168:605 169:129
170:371 171:11 172:1 190:206 192:5841 193:3503
194:2804 195:2231 196:936 198:4022 199:3381 200:4464
201:927 202:7106 203:7212 204:4121 205:2225 206:2849
207:3605 208:3051 209:3825 210:2265 211:884 212:1447
213:1538 214:366 215:40 216:4374 217:1335 218:358
219:292 220:797 221:386 222:241
End of report
