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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 22 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 209787
Prefixes after maximum aggregation: 109051
Unique aggregates announced to Internet: 95152
Total ASes present in the Internet Routing Table: 23007
Origin-only ASes present in the Internet Routing Table: 20041
Origin ASes announcing only one prefix: 9553
Transit ASes present in the Internet Routing Table: 2966
Transit-only ASes present in the Internet Routing Table: 70
Average AS path length visible in the Internet Routing Table: 3.0
Max AS path length visible: 30
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 63
Unregistered ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1577190845
Equivalent to 94 /8s, 2 /16s and 5 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 61.6
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 108157
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44317
Total APNIC prefixes after maximum aggregation: 17563
Prefixes being announced from the APNIC address blocks: 41892
Unique aggregates announced from the APNIC address blocks: 18313
APNIC Region origin ASes present in the Internet Routing Table: 2690
APNIC Region origin ASes announcing only one prefix: 755
APNIC Region transit ASes present in the Internet Routing Table: 401
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 261497476
Equivalent to 15 /8s, 150 /16s and 34 /24s
Percentage of available APNIC address space announced: 81.8
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: 110120
Total ARIN prefixes after maximum aggregation: 60323
Prefixes being announced from the ARIN address blocks: 82090
Unique aggregates announced from the ARIN address blocks: 27412
ARIN Region origin ASes present in the Internet Routing Table: 10945
ARIN Region origin ASes announcing only one prefix: 4120
ARIN Region transit ASes present in the Internet Routing Table: 1008
Average ARIN Region AS path length visible: 2.7
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 295679841
Equivalent to 17 /8s, 159 /16s and 183 /24s
Percentage of available ARIN address space announced: 76.6
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: 40619
Total RIPE prefixes after maximum aggregation: 26473
Prefixes being announced from the RIPE address blocks: 37946
Unique aggregates announced from the RIPE address blocks: 24462
RIPE Region origin ASes present in the Internet Routing Table: 8427
RIPE Region origin ASes announcing only one prefix: 4392
RIPE Region transit ASes present in the Internet Routing Table: 1376
Average RIPE Region AS path length visible: 3.3
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 261927008
Equivalent to 15 /8s, 156 /16s and 176 /24s
Percentage of available RIPE address space announced: 82.2
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, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 12289
Total LACNIC prefixes after maximum aggregation: 3743
Prefixes being announced from the LACNIC address blocks: 10353
Unique aggregates announced from the LACNIC address blocks: 5947
LACNIC Region origin ASes present in the Internet Routing Table: 712
LACNIC Region origin ASes announcing only one prefix: 239
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 3.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 32151296
Equivalent to 1 /8s, 234 /16s and 151 /24s
Percentage of available LACNIC address space announced: 47.9
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: 2380
Total AfriNIC prefixes after maximum aggregation: 949
Prefixes being announced from the AfriNIC address blocks: 1658
Unique aggregates announced from the AfriNIC address blocks: 986
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: 25
Average AfriNIC Region AS path length visible: 3.0
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4209920
Equivalent to 0 /8s, 64 /16s and 61 /24s
Percentage of available AfriNIC address space announced: 12.5
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 1300 7961 238 CHINANET-BACKBONE
4755 969 255 64 Videsh Sanchar Nigam Ltd. Aut
9583 944 109 15 Sify Limited
9498 795 211 70 BHARTI BT INTERNET LTD.
4766 727 4435 307 Korea Telecom (KIX)
1221 648 1779 478 Telstra Pty Ltd
4538 606 2717 31 China Education and Research
7545 546 124 74 TPG Internet Pty Ltd
17488 522 32 18 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 442 85 18 Reliance Infocom Ltd Internet
4812 413 739 59 China Telecom (Shanghai)
17849 412 30 123 Telecommunications Technology
17974 375 129 12 PT TELEKOMUNIKASI INDONESIA
7474 359 211 230 SingTel Optus Pty Ltd
17557 359 29 164 Pakistan Telecom
4802 357 84 150 Wantree Development
2907 340 1733 313 SINET Japan
4837 318 3523 136 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 559 1947 440 UUNET - Commercial IP service
3215 399 1760 97 France Telecom Transpac
3301 315 1186 300 TeliaNet Sweden
3320 297 5013 240 Deutsche Telekom AG
8220 285 471 268 COLT Telecommunications
24863 254 42 11 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
1257 248 744 167 SWIPnet Swedish IP Network
6746 244 91 222 Dynamic Network Technologies,
5089 235 1659 50 NTL Group Limited
3246 233 462 223 Song Networks
8708 216 278 203 Romania Data Systems S.A.
30890 204 19 85 SC Kappa Invexim SRL
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
6830 195 879 43 UPC Distribution Services
8866 186 37 15 Bulgarian Telecommunication C
5416 181 12 7 BATELCO-BH
3300 174 171 95 AUCS Communications Services
786 172 1779 172 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5006 6798 792 UUNET Technologies, Inc.
4323 3214 748 282 Time Warner Telecom
7018 1492 6268 962 AT&T WorldNet Services
705 1477 556 647 UUNET Technologies, Inc.
174 1121 5754 885 Cogent Communications
6197 1016 635 477 BellSouth Network Solutions,
721 1001 21942 310 DLA Systems Automation Center
2386 958 560 723 AT&T Data Communications Serv
18566 956 272 8 Covad Communications
1239 846 2796 597 Sprint
7046 824 251 683 UUNET Technologies, Inc.
20115 734 657 383 Charter Communications
19262 733 2244 187 Verizon Global Networks
11492 725 90 16 Cable One
22773 698 1744 43 Cox Communications, Inc.
209 684 3641 539 Qwest
7011 670 225 425 Citizens Utilities
6461 604 222 91 AboveNet Communications, Inc.
852 602 1068 384 Telus Advanced Communications
19916 563 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3214 2932 Time Warner Telecom
4134 1300 1062 CHINANET-BACKBONE
18566 956 948 Covad Communications
9583 944 929 Sify Limited
4755 969 905 Videsh Sanchar Nigam Ltd. Aut
705 1477 830 UUNET Technologies, Inc.
9498 795 725 BHARTI BT INTERNET LTD.
11492 725 709 Cable One
721 1001 691 DLA Systems Automation Center
22773 698 655 Cox Communications, Inc.
4538 606 575 China Education and Research
8151 767 550 UniNet S.A. de C.V.
19262 733 546 Verizon Global Networks
6197 1016 539 BellSouth Network Solutions,
7018 1492 530 AT&T WorldNet Services
5668 532 514 CenturyTel Internet Holdings,
6461 604 513 AboveNet Communications, Inc.
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 556 486 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
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
65350 PRIVATE 124.236.0.0/19 17672 asn for Hebei Provin
65350 PRIVATE 124.236.240.0/20 17672 asn for Hebei Provin
65350 PRIVATE 124.239.192.0/24 17672 asn for Hebei Provin
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
64000 RESERVED 193.48.181.0/24 25186 France Telecom Trans
64000 RESERVED 193.48.182.0/24 25186 France Telecom Trans
64000 RESERVED 193.51.113.0/24 25186 France Telecom Trans
64000 RESERVED 193.51.115.0/24 25186 France Telecom Trans
64000 RESERVED 194.167.103.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.66.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.67.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.68.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.69.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.70.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.71.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.72.0/24 25186 France Telecom Trans
64000 RESERVED 194.199.73.0/24 25186 France Telecom Trans
64000 RESERVED 195.83.188.0/24 25186 France Telecom Trans
64000 RESERVED 195.98.231.0/24 25186 France Telecom Trans
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
64000 RESERVED 195.220.149.0/24 25186 France Telecom Trans
64000 RESERVED 195.220.151.0/24 25186 France Telecom Trans
65010 PRIVATE 203.117.213.0/24 9255 Singapore Telecom
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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
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
65350 PRIVATE 219.148.0.0/22 17672 asn for Hebei Provin
65350 PRIVATE 219.148.4.0/23 17672 asn for Hebei Provin
65350 PRIVATE 219.148.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.24.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.32.0/19 17672 asn for Hebei Provin
65350 PRIVATE 222.222.0.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.16.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.32.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.48.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.208.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.216.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.223.187.0/24 17672 asn for Hebei Provin
65350 PRIVATE 222.223.188.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.192.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.196.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.200.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.206.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.224.0/19 17672 asn for Hebei Provin
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
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 /12:103
/13:217 /14:378 /15:743 /16:8998 /17:3496 /18:5717
/19:12412 /20:14117 /21:12530 /22:16039 /23:17390 /24:115261
/25:482 /26:476 /27:305 /28:223 /29:199 /30:517
/31:0 /32:112
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3735 5006 UUNET Technologies, Inc.
4323 1907 3214 Time Warner Telecom
18566 939 956 Covad Communications
705 926 1477 UUNET Technologies, Inc.
6197 797 1016 BellSouth Network Solutions,
7018 781 1492 AT&T WorldNet Services
9583 775 944 Sify Limited
11492 713 725 Cable One
2386 677 958 AT&T Data Communications Serv
7046 585 824 UUNET Technologies, Inc.
7011 573 670 Citizens Utilities
19916 557 563 OLM LLC
4766 538 727 Korea Telecom (KIX)
6461 533 604 AboveNet Communications, Inc.
2686 516 561 IBM
9498 475 795 BHARTI BT INTERNET LTD.
855 434 556 Canadian Research Network
15270 430 461 PaeTec.net -a division of Pae
5668 414 532 CenturyTel Internet Holdings,
174 408 1121 Cogent Communications
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:50 12:1637 13:1 15:15
16:3 17:3 18:4 20:41 24:816 25:1
32:269 38:268 40:53 41:16 44:3 47:6
52:4 55:1 56:3 57:48 58:202 59:290
60:172 61:939 62:968 63:3392 64:3581 65:3607
66:3839 67:662 68:663 69:1622 70:384 71:88
72:880 74:68 75:5 80:805 81:735 82:718
83:388 84:405 85:597 86:397 87:445 88:160
89:409 91:1 121:15 122:6 123:1 124:343
125:598 128:159 129:201 130:121 131:315 132:32
133:9 134:162 135:48 136:177 137:85 138:214
139:137 140:523 141:135 142:387 143:188 144:242
145:41 146:316 147:146 148:353 149:192 150:114
151:115 152:75 153:117 154:6 155:216 156:177
157:182 158:165 159:174 160:93 161:88 162:218
163:165 164:278 165:226 166:184 167:243 168:602
169:125 170:354 171:14 190:199 192:5843 193:3432
194:2804 195:2190 196:928 198:4028 199:3369 200:4631
201:1045 202:6998 203:7148 204:4082 205:2154 206:2829
207:3616 208:3049 209:3889 210:2266 211:884 212:1367
213:1522 214:367 215:41 216:4421 217:1362 218:350
219:295 220:773 221:381 222:247
End of report
