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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 19 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 202181
Prefixes after maximum aggregation: 106025
Unique aggregates announced to Internet: 92547
Total ASes present in the Internet Routing Table: 22272
Origin-only ASes present in the Internet Routing Table: 19373
Origin ASes announcing only one prefix: 9231
Transit ASes present in the Internet Routing Table: 2899
Transit-only ASes present in the Internet Routing Table: 67
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 28
Unregistered ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 61
Number of addresses announced to Internet: 2025111509
Equivalent to 120 /8s, 180 /16s and 191 /24s
Percentage of available address space announced: 54.6
Percentage of allocated address space announced: 79.0
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 103348
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41165
Total APNIC prefixes after maximum aggregation: 16800
Prefixes being announced from the APNIC address blocks: 38794
Unique aggregates announced from the APNIC address blocks: 18279
APNIC Region origin ASes present in the Internet Routing Table: 2559
APNIC Region origin ASes announcing only one prefix: 725
APNIC Region transit ASes present in the Internet Routing Table: 391
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 292941124
Equivalent to 17 /8s, 117 /16s and 237 /24s
Percentage of available APNIC address space announced: 91.6
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: 108269
Total ARIN prefixes after maximum aggregation: 59237
Prefixes being announced from the ARIN address blocks: 80570
Unique aggregates announced from the ARIN address blocks: 26515
ARIN Region origin ASes present in the Internet Routing Table: 10732
ARIN Region origin ASes announcing only one prefix: 4017
ARIN Region transit ASes present in the Internet Routing Table: 991
Average ARIN Region AS path length visible: 3.2
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 292511265
Equivalent to 17 /8s, 111 /16s and 94 /24s
Percentage of available ARIN address space announced: 75.8
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
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: 39213
Total RIPE prefixes after maximum aggregation: 25418
Prefixes being announced from the RIPE address blocks: 36454
Unique aggregates announced from the RIPE address blocks: 23410
RIPE Region origin ASes present in the Internet Routing Table: 8068
RIPE Region origin ASes announcing only one prefix: 4210
RIPE Region transit ASes present in the Internet Routing Table: 1324
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 250004480
Equivalent to 14 /8s, 230 /16s and 196 /24s
Percentage of available RIPE address space announced: 78.4
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
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: 11336
Total LACNIC prefixes after maximum aggregation: 3664
Prefixes being announced from the LACNIC address blocks: 9437
Unique aggregates announced from the LACNIC address blocks: 5509
LACNIC Region origin ASes present in the Internet Routing Table: 688
LACNIC Region origin ASes announcing only one prefix: 228
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 26969088
Equivalent to 1 /8s, 155 /16s and 132 /24s
Percentage of available LACNIC address space announced: 40.2
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: 2171
Total AfriNIC prefixes after maximum aggregation: 906
Prefixes being announced from the AfriNIC address blocks: 1498
Unique aggregates announced from the AfriNIC address blocks: 960
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 51
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4094208
Equivalent to 0 /8s, 62 /16s and 121 /24s
Percentage of available AfriNIC address space announced: 12.2
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 1135 7057 220 CHINANET-BACKBONE
9583 903 109 16 Sify Limited
4755 882 257 71 Videsh Sanchar Nigam Ltd. Aut
4538 726 2686 31 China Education and Research
4766 709 4436 310 Korea Telecom (KIX)
1221 653 1556 483 Telstra Pty Ltd
9498 558 211 65 BHARTI BT INTERNET LTD.
7545 532 124 71 TPG Internet Pty Ltd
17488 501 31 7 Hathway IP Over Cable Interne
17676 485 7029 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4802 380 80 173 Wantree Development
9929 375 220 61 China Netcom Corp.
4780 364 226 28 Digital United Inc.
7474 363 211 230 SingTel Optus Pty Ltd
18101 361 85 23 Reliance Infocom Ltd Internet
17557 358 28 165 Pakistan Telecom
17849 352 22 114 Telecommunications Technology
2907 342 1766 316 SINET Japan
17974 341 135 19 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 704 1952 456 UUNET - Commercial IP service
3215 419 1664 94 France Telecom Transpac
1103 354 1990 81 SURFnet, The Netherlands
3301 307 1071 293 TeliaNet Sweden
8220 302 473 271 COLT Telecommunications
3352 297 1644 30 Ibernet, Internet Access Netw
3320 285 3988 239 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
5089 238 1659 44 NTL Group Limited
3246 236 504 226 Song Networks
6746 232 89 208 Dynamic Network Technologies,
8708 220 276 203 Romania Data Systems S.A.
24863 213 42 10 LINKdotNET AS number
1257 208 740 165 SWIPnet Swedish IP Network
8551 202 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
30890 180 16 67 SC Kappa Invexim SRL
8866 178 37 16 Bulgarian Telecommunication C
5400 174 348 140 BT Ignite European Backbone
786 172 1778 172 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5070 6796 771 UUNET Technologies, Inc.
4323 3105 736 257 Time Warner Telecom
705 1626 597 711 UUNET Technologies, Inc.
7018 1515 6236 961 AT&T WorldNet Services
6197 1006 622 472 BellSouth Network Solutions,
721 993 21945 303 DLA Systems Automation Center
174 954 5754 897 Cogent Communications
19029 951 151 110 New Edge Networks
18566 939 272 8 Covad Communications
2386 876 506 675 AT&T Data Communications Serv
1239 856 2813 607 Sprint
7046 844 257 702 UUNET Technologies, Inc.
209 707 3689 552 Qwest
19262 706 2122 171 Verizon Global Networks
20115 694 609 375 Charter Communications
22773 663 1745 45 Cox Communications, Inc.
7011 635 218 413 Citizens Utilities
6461 622 228 87 AboveNet Communications, Inc.
11492 621 87 21 Cable One
852 597 1084 383 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3105 2848 Time Warner Telecom
18566 939 931 Covad Communications
705 1626 915 UUNET Technologies, Inc.
4134 1135 915 CHINANET-BACKBONE
9583 903 887 Sify Limited
19029 951 841 New Edge Networks
4755 882 811 Videsh Sanchar Nigam Ltd. Aut
4538 726 695 China Education and Research
721 993 690 DLA Systems Automation Center
22773 663 618 Cox Communications, Inc.
11492 621 600 Cable One
7018 1515 554 AT&T WorldNet Services
19262 706 535 Verizon Global Networks
6461 622 535 AboveNet Communications, Inc.
6197 1006 534 BellSouth Network Solutions,
19916 563 509 OLM LLC
5668 525 502 CenturyTel Internet Holdings,
17488 501 494 Hathway IP Over Cable Interne
9498 558 493 BHARTI BT INTERNET LTD.
855 541 481 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
65516 PRIVATE 84.222.96.0/22 3257 Tiscali Intl Network
64704 PRIVATE 86.70.139.0/24 34383 TELOISE
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65022 PRIVATE 194.252.152.0/24 12582 Sonera Solutions Dif
65022 PRIVATE 195.156.205.0/24 12582 Sonera Solutions Dif
65022 PRIVATE 195.165.56.0/24 12582 Sonera Solutions Dif
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet
65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
64515 PRIVATE 203.126.13.0/25 7610 SINGAPORE ADVANCE RE
64515 PRIVATE 203.126.13.128/26 7610 SINGAPORE ADVANCE RE
65528 PRIVATE 206.210.72.64/26 17054 e-xpedient
65010 PRIVATE 212.2.12.160/28 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 213.154.248.0/28 12859 Business Internet Tr
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
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
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
96.0.0.0/9 1660 ANS Communications
96.128.0.0/9 1660 ANS Communications
97.0.0.0/9 1660 ANS Communications
97.128.0.0/9 1660 ANS Communications
98.0.0.0/9 1660 ANS Communications
98.128.0.0/9 1660 ANS Communications
99.0.0.0/9 1660 ANS Communications
99.128.0.0/9 1660 ANS Communications
100.0.0.0/9 1660 ANS Communications
100.128.0.0/9 1660 ANS Communications
101.0.0.0/9 1660 ANS Communications
101.128.0.0/9 1660 ANS Communications
102.0.0.0/9 1660 ANS Communications
102.128.0.0/9 1660 ANS Communications
103.0.0.0/9 1660 ANS Communications
103.128.0.0/9 1660 ANS Communications
104.0.0.0/9 1660 ANS Communications
104.128.0.0/9 1660 ANS Communications
105.0.0.0/9 1660 ANS Communications
105.128.0.0/9 1660 ANS Communications
106.0.0.0/9 1660 ANS Communications
106.128.0.0/9 1660 ANS Communications
107.0.0.0/9 1660 ANS Communications
107.128.0.0/9 1660 ANS Communications
108.0.0.0/9 1660 ANS Communications
108.128.0.0/9 1660 ANS Communications
109.0.0.0/9 1660 ANS Communications
109.128.0.0/9 1660 ANS Communications
110.0.0.0/9 1660 ANS Communications
110.128.0.0/9 1660 ANS Communications
111.0.0.0/9 1660 ANS Communications
111.128.0.0/9 1660 ANS Communications
112.0.0.0/9 1660 ANS Communications
112.128.0.0/9 1660 ANS Communications
113.0.0.0/9 1660 ANS Communications
113.128.0.0/9 1660 ANS Communications
114.0.0.0/9 1660 ANS Communications
114.128.0.0/9 1660 ANS Communications
115.0.0.0/9 1660 ANS Communications
115.128.0.0/9 1660 ANS Communications
116.0.0.0/9 1660 ANS Communications
116.128.0.0/9 1660 ANS Communications
117.0.0.0/9 1660 ANS Communications
117.128.0.0/9 1660 ANS Communications
118.0.0.0/9 1660 ANS Communications
118.128.0.0/9 1660 ANS Communications
119.0.0.0/9 1660 ANS Communications
119.128.0.0/9 1660 ANS Communications
120.0.0.0/9 1660 ANS Communications
120.128.0.0/9 1660 ANS Communications
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
192.119.135.0/24 270 NASA
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:67 /10:10 /11:28 /12:91
/13:207 /14:362 /15:708 /16:8880 /17:3284 /18:5465
/19:11986 /20:13669 /21:11810 /22:15304 /23:16595 /24:111582
/25:457 /26:311 /27:303 /28:234 /29:234 /30:472
/31:0 /32:103
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3802 5070 UUNET Technologies, Inc.
4323 1853 3105 Time Warner Telecom
705 1056 1626 UUNET Technologies, Inc.
18566 922 939 Covad Communications
19029 882 951 New Edge Networks
7018 801 1515 AT&T WorldNet Services
6197 795 1006 BellSouth Network Solutions,
9583 731 903 Sify Limited
11492 612 621 Cable One
2386 606 876 AT&T Data Communications Serv
7046 597 844 UUNET Technologies, Inc.
19916 557 563 OLM LLC
6461 546 622 AboveNet Communications, Inc.
7011 544 635 Citizens Utilities
2686 526 570 IBM
4766 519 709 Korea Telecom (KIX)
702 485 704 UUNET - Commercial IP service
855 426 541 Canadian Research Network
5668 408 525 CenturyTel Internet Holdings,
15270 396 427 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:8 8:42 12:1641 13:1 15:14
16:3 17:3 18:4 20:43 24:741 25:1
30:2 32:278 38:216 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:47 58:156
59:203 60:182 61:866 62:887 63:3491 64:3546
65:3679 66:3625 67:648 68:680 69:1530 70:361
71:85 72:714 73:23 74:36 80:775 81:655
82:667 83:394 84:398 85:539 86:355 87:338
88:90 89:199 124:279 125:390 128:166 129:191
130:109 131:319 132:34 133:8 134:159 135:46
136:178 137:76 138:206 139:159 140:469 141:136
142:398 143:165 144:224 145:53 146:328 147:141
148:332 149:190 150:114 151:94 152:70 153:107
154:6 155:203 156:100 157:151 158:166 159:172
160:87 161:79 162:261 163:147 164:224 165:208
166:163 167:242 168:607 169:128 170:336 171:14
183:1 190:65 192:5937 193:3376 194:2805 195:2024
196:871 198:4037 199:3297 200:4424 201:945 202:6786
203:6968 204:4079 205:2206 206:2774 207:3523 208:2919
209:4184 210:2053 211:718 212:1386 213:1578 214:362
215:41 216:4498 217:1385 218:289 219:231 220:643
221:362 222:139
End of report
