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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 24 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 209730
Prefixes after maximum aggregation: 109045
Unique aggregates announced to Internet: 95069
Total ASes present in the Internet Routing Table: 23012
Origin-only ASes present in the Internet Routing Table: 20010
Origin ASes announcing only one prefix: 9563
Transit ASes present in the Internet Routing Table: 3002
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 3.3
Max AS path length visible: 30
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 49
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: 1576757181
Equivalent to 93 /8s, 251 /16s and 103 /24s
Percentage of available address space announced: 42.5
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 108200
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44336
Total APNIC prefixes after maximum aggregation: 17570
Prefixes being announced from the APNIC address blocks: 41915
Unique aggregates announced from the APNIC address blocks: 18223
APNIC Region origin ASes present in the Internet Routing Table: 2686
APNIC Region origin ASes announcing only one prefix: 756
APNIC Region transit ASes present in the Internet Routing Table: 414
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 261324416
Equivalent to 15 /8s, 147 /16s and 126 /24s
Percentage of available APNIC address space announced: 81.7
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: 110063
Total ARIN prefixes after maximum aggregation: 60271
Prefixes being announced from the ARIN address blocks: 82117
Unique aggregates announced from the ARIN address blocks: 27422
ARIN Region origin ASes present in the Internet Routing Table: 10940
ARIN Region origin ASes announcing only one prefix: 4125
ARIN Region transit ASes present in the Internet Routing Table: 1017
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 296241249
Equivalent to 17 /8s, 168 /16s and 72 /24s
Percentage of available ARIN address space announced: 76.8
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: 40589
Total RIPE prefixes after maximum aggregation: 26491
Prefixes being announced from the RIPE address blocks: 37889
Unique aggregates announced from the RIPE address blocks: 24477
RIPE Region origin ASes present in the Internet Routing Table: 8438
RIPE Region origin ASes announcing only one prefix: 4398
RIPE Region transit ASes present in the Internet Routing Table: 1381
Average RIPE Region AS path length visible: 3.1
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 261942880
Equivalent to 15 /8s, 156 /16s and 238 /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: 12337
Total LACNIC prefixes after maximum aggregation: 3774
Prefixes being announced from the LACNIC address blocks: 10382
Unique aggregates announced from the LACNIC address blocks: 5959
LACNIC Region origin ASes present in the Internet Routing Table: 714
LACNIC Region origin ASes announcing only one prefix: 238
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32212736
Equivalent to 1 /8s, 235 /16s and 135 /24s
Percentage of available LACNIC address space announced: 48.0
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: 2360
Total AfriNIC prefixes after maximum aggregation: 939
Prefixes being announced from the AfriNIC address blocks: 1658
Unique aggregates announced from the AfriNIC address blocks: 998
AfriNIC Region origin ASes present in the Internet Routing Table: 162
AfriNIC Region origin ASes announcing only one prefix: 46
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 2.9
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC addresses announced to Internet: 4212736
Equivalent to 0 /8s, 64 /16s and 72 /24s
Percentage of available AfriNIC address space announced: 12.6
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 7837 238 CHINANET-BACKBONE
4755 969 255 62 Videsh Sanchar Nigam Ltd. Aut
9583 943 109 15 Sify Limited
9498 797 211 71 BHARTI BT INTERNET LTD.
4766 747 4435 307 Korea Telecom (KIX)
1221 652 1779 480 Telstra Pty Ltd
4538 607 2717 31 China Education and Research
7545 542 124 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 445 85 18 Reliance Infocom Ltd Internet
4812 413 739 59 China Telecom (Shanghai)
17849 412 30 123 Telecommunications Technology
17974 376 129 12 PT TELEKOMUNIKASI INDONESIA
7474 359 211 230 SingTel Optus Pty Ltd
4802 356 84 149 Wantree Development
17557 356 29 167 Pakistan Telecom
2907 341 1734 314 SINET Japan
4837 319 3539 137 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 564 1947 439 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 287 471 269 COLT Telecommunications
24863 253 42 10 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 236 1659 48 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
5416 181 12 7 BATELCO-BH
8866 177 37 15 Bulgarian Telecommunication C
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 4998 6796 789 UUNET Technologies, Inc.
4323 3209 749 279 Time Warner Telecom
7018 1484 6267 955 AT&T WorldNet Services
705 1475 556 645 UUNET Technologies, Inc.
174 1123 5754 887 Cogent Communications
6197 1016 635 477 BellSouth Network Solutions,
721 977 21924 303 DLA Systems Automation Center
2386 960 561 723 AT&T Data Communications Serv
18566 956 272 8 Covad Communications
1239 853 2800 609 Sprint
7046 822 251 681 UUNET Technologies, Inc.
20115 736 658 385 Charter Communications
11492 726 90 16 Cable One
22773 699 1744 43 Cox Communications, Inc.
19262 690 2252 188 Verizon Global Networks
209 684 3641 539 Qwest
7011 661 219 417 Citizens Utilities
852 604 1068 384 Telus Advanced Communications
6461 602 221 89 AboveNet Communications, Inc.
19916 563 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3209 2930 Time Warner Telecom
4134 1300 1062 CHINANET-BACKBONE
18566 956 948 Covad Communications
9583 943 928 Sify Limited
4755 969 907 Videsh Sanchar Nigam Ltd. Aut
705 1475 830 UUNET Technologies, Inc.
9498 797 726 BHARTI BT INTERNET LTD.
11492 726 710 Cable One
721 977 674 DLA Systems Automation Center
22773 699 656 Cox Communications, Inc.
4538 607 576 China Education and Research
8151 772 552 UniNet S.A. de C.V.
6197 1016 539 BellSouth Network Solutions,
7018 1484 529 AT&T WorldNet Services
5668 532 514 CenturyTel Internet Holdings,
6461 602 513 AboveNet Communications, Inc.
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
19262 690 502 Verizon Global Networks
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
41343 UNALLOCATED 89.29.252.0/23 3257 Tiscali Intl Network
41343 UNALLOCATED 89.29.253.0/24 3257 Tiscali Intl Network
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
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
65010 PRIVATE 203.117.213.0/24 9255 Singapore Telecom
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
38383 UNALLOCATED 210.7.42.0/23 38022 REANNZ National Rese
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 /12:102
/13:216 /14:378 /15:742 /16:8994 /17:3505 /18:5716
/19:12416 /20:14134 /21:12540 /22:16044 /23:17373 /24:115156
/25:500 /26:477 /27:306 /28:226 /29:201 /30:518
/31:0 /32:114
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3728 4998 UUNET Technologies, Inc.
4323 1908 3209 Time Warner Telecom
18566 939 956 Covad Communications
705 924 1475 UUNET Technologies, Inc.
6197 797 1016 BellSouth Network Solutions,
7018 776 1484 AT&T WorldNet Services
9583 774 943 Sify Limited
11492 714 726 Cable One
2386 679 960 AT&T Data Communications Serv
7046 583 822 UUNET Technologies, Inc.
7011 568 661 Citizens Utilities
4766 558 747 Korea Telecom (KIX)
19916 557 563 OLM LLC
6461 533 602 AboveNet Communications, Inc.
2686 516 561 IBM
9498 475 797 BHARTI BT INTERNET LTD.
855 435 556 Canadian Research Network
15270 433 464 PaeTec.net -a division of Pae
5668 415 532 CenturyTel Internet Holdings,
1239 406 853 Sprint
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:49 12:1638 13:1 15:15
16:3 17:3 18:4 20:41 24:816 25:1
32:269 38:268 40:53 41:18 44:3 47:6
52:4 55:1 56:3 57:54 58:213 59:290
60:188 61:941 62:967 63:3388 64:3578 65:3603
66:3843 67:663 68:665 69:1624 70:385 71:88
72:883 73:2 74:70 75:5 80:805 81:720
82:707 83:391 84:409 85:598 86:396 87:441
88:162 89:412 91:1 121:18 122:6 123:1
124:340 125:601 128:170 129:202 130:82 131:316
132:32 133:9 134:161 135:48 136:178 137:85
138:213 139:137 140:523 141:134 142:387 143:191
144:241 145:41 146:308 147:141 148:355 149:191
150:114 151:115 152:75 153:119 154:6 155:216
156:175 157:180 158:165 159:174 160:94 161:88
162:219 163:166 164:277 165:226 166:184 167:243
168:602 169:128 170:360 171:14 189:1 190:199
192:5826 193:3425 194:2791 195:2192 196:926 198:4030
199:3357 200:4634 201:1049 202:6963 203:7144 204:4075
205:2145 206:2832 207:3612 208:3045 209:3880 210:2268
211:895 212:1346 213:1507 214:368 215:41 216:4428
217:1363 218:354 219:300 220:778 221:381 222:252
End of report
