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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 15 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 216663
Prefixes after maximum aggregation: 113830
Unique aggregates announced to Internet: 100743
Total ASes present in the Internet Routing Table: 23992
Origin-only ASes present in the Internet Routing Table: 20855
Origin ASes announcing only one prefix: 10041
Transit ASes present in the Internet Routing Table: 3137
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 5.7
Max AS path length visible: 31
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 20
Unregistered ASNs in the Routing Table: 13
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1640558572
Equivalent to 97 /8s, 200 /16s and 239 /24s
Percentage of available address space announced: 44.3
Percentage of allocated address space announced: 62.8
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 112890
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47477
Total APNIC prefixes after maximum aggregation: 18999
Prefixes being announced from the APNIC address blocks: 44945
Unique aggregates announced from the APNIC address blocks: 19879
APNIC Region origin ASes present in the Internet Routing Table: 2817
APNIC Region origin ASes announcing only one prefix: 788
APNIC Region transit ASes present in the Internet Routing Table: 426
Average APNIC Region AS path length visible: 6.3
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 272135424
Equivalent to 16 /8s, 56 /16s and 117 /24s
Percentage of available APNIC address space announced: 85.1
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: 109299
Total ARIN prefixes after maximum aggregation: 61804
Prefixes being announced from the ARIN address blocks: 81426
Unique aggregates announced from the ARIN address blocks: 28560
ARIN Region origin ASes present in the Internet Routing Table: 11240
ARIN Region origin ASes announcing only one prefix: 4275
ARIN Region transit ASes present in the Internet Routing Table: 1055
Average ARIN Region AS path length visible: 5.4
Max ARIN Region AS path length visible: 31
Number of ARIN addresses announced to Internet: 310963168
Equivalent to 18 /8s, 136 /16s and 235 /24s
Percentage of available ARIN address space announced: 68.6
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 43825
Total RIPE prefixes after maximum aggregation: 28083
Prefixes being announced from the RIPE address blocks: 40788
Unique aggregates announced from the RIPE address blocks: 26210
RIPE Region origin ASes present in the Internet Routing Table: 8942
RIPE Region origin ASes announcing only one prefix: 4681
RIPE Region transit ASes present in the Internet Routing Table: 1458
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 274932352
Equivalent to 16 /8s, 99 /16s and 34 /24s
Percentage of available RIPE address space announced: 74.5
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
40960-43007
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: 13441
Total LACNIC prefixes after maximum aggregation: 3958
Prefixes being announced from the LACNIC address blocks: 11492
Unique aggregates announced from the LACNIC address blocks: 6673
LACNIC Region origin ASes present in the Internet Routing Table: 750
LACNIC Region origin ASes announcing only one prefix: 246
LACNIC Region transit ASes present in the Internet Routing Table: 137
Average LACNIC Region AS path length visible: 6.3
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 35452672
Equivalent to 2 /8s, 28 /16s and 247 /24s
Percentage of available LACNIC address space announced: 52.8
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: 2602
Total AfriNIC prefixes after maximum aggregation: 986
Prefixes being announced from the AfriNIC address blocks: 1846
Unique aggregates announced from the AfriNIC address blocks: 1064
AfriNIC Region origin ASes present in the Internet Routing Table: 172
AfriNIC Region origin ASes announcing only one prefix: 51
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 5.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4795136
Equivalent to 0 /8s, 73 /16s and 43 /24s
Percentage of available AfriNIC address space announced: 14.3
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 1275 8574 251 CHINANET-BACKBONE
4755 1060 383 66 Videsh Sanchar Nigam Ltd. Aut
9583 1036 87 271 Sify Limited
4538 954 2846 35 China Education and Research
9498 894 212 65 BHARTI BT INTERNET LTD.
23577 773 34 703 KRNIC
4766 747 4946 307 Korea Telecom (KIX)
1221 616 1698 455 Telstra Pty Ltd
17488 556 35 20 Hathway IP Over Cable Interne
7545 554 126 75 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 488 87 23 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 436 81 132 COMindico Australia
4812 432 753 65 China Telecom (Shanghai)
17849 411 36 126 Telecommunications Technology
4802 407 86 146 Wantree Development
7474 380 211 235 SingTel Optus Pty Ltd
17557 372 36 176 Pakistan Telecom
2907 336 1749 311 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 545 1912 424 UUNET - Commercial IP service
3215 410 2104 96 France Telecom Transpac
24863 384 45 15 LINKdotNET AS number
3301 309 1199 293 TeliaNet Sweden
3320 296 4992 244 Deutsche Telekom AG
8220 275 474 264 COLT Telecommunications
6746 261 92 239 Dynamic Network Technologies,
680 252 2041 248 DFN-IP service G-WiN
1257 249 1069 172 SWIPnet Swedish IP Network
9116 230 134 23 Goldenlines main autonomous s
8708 228 281 215 Romania Data Systems S.A.
3269 207 2355 74 TELECOM ITALIA
30890 207 19 87 SC Kappa Invexim SRL
3246 206 353 193 Song Networks
5416 205 13 9 BATELCO-BH
8551 199 197 24 Bezeq International
3300 186 171 100 AUCS Communications Services
6830 175 695 38 UPC Distribution Services
3352 174 1751 30 Ibernet, Internet Access Netw
786 172 1795 172 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4853 6689 754 UUNET Technologies, Inc.
7018 1550 10294 1005 AT&T WorldNet Services
705 1430 555 629 UUNET Technologies, Inc.
2386 1111 587 737 AT&T Data Communications Serv
4323 1051 804 295 Time Warner Telecom
6197 1020 638 505 BellSouth Network Solutions,
18566 983 272 8 Covad Communications
174 975 6827 886 Cogent Communications
11492 839 98 12 Cable One
1239 836 2715 583 Sprint
7046 803 251 658 UUNET Technologies, Inc.
721 794 21885 293 DLA Systems Automation Center
19262 788 2480 182 Verizon Global Networks
20115 766 666 410 Charter Communications
22773 712 1744 41 Cox Communications, Inc.
209 711 3763 561 Qwest
7011 695 211 431 Citizens Utilities
852 617 1092 391 Telus Advanced Communications
19916 567 48 57 OLM LLC
6198 552 535 259 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1275 1024 CHINANET-BACKBONE
4755 1060 994 Videsh Sanchar Nigam Ltd. Aut
18566 983 975 Covad Communications
4538 954 919 China Education and Research
9498 894 829 BHARTI BT INTERNET LTD.
11492 839 827 Cable One
705 1430 801 UUNET Technologies, Inc.
9583 1036 765 Sify Limited
4323 1051 756 Time Warner Telecom
22773 712 671 Cox Communications, Inc.
19262 788 606 Verizon Global Networks
8151 776 568 UniNet S.A. de C.V.
7018 1550 545 AT&T WorldNet Services
17488 556 536 Hathway IP Over Cable Interne
5668 547 528 CenturyTel Internet Holdings,
6197 1020 515 BellSouth Network Solutions,
19916 567 510 OLM LLC
721 794 501 DLA Systems Automation Center
11830 506 497 Instituto Costarricense de El
7545 554 479 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65010 PRIVATE 135.196.7.112/29 8190 VIATEL
65019 PRIVATE 135.196.106.208/28 8190 VIATEL
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
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
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
65018 PRIVATE 213.235.24.216/29 8190 VIATEL
65010 PRIVATE 213.235.29.224/29 8190 VIATEL
65013 PRIVATE 213.235.33.0/27 8190 VIATEL
65017 PRIVATE 213.235.48.96/28 8190 VIATEL
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
0.0.0.0/0 286 KPNQwest Backbone AS
192.0.2.0/24 2854 RoSprint AS (Global One Russi
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
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
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:10 /10:13 /11:28 /12:114
/13:234 /14:402 /15:798 /16:9124 /17:3672 /18:5986
/19:13003 /20:14714 /21:13389 /22:17050 /23:18521 /24:116950
/25:722 /26:540 /27:453 /28:200 /29:155 /30:473
/31:0 /32:92
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3613 4853 UUNET Technologies, Inc.
18566 966 983 Covad Communications
705 892 1430 UUNET Technologies, Inc.
9583 869 1036 Sify Limited
7018 829 1550 AT&T WorldNet Services
2386 827 1111 AT&T Data Communications Serv
11492 825 839 Cable One
6197 796 1020 BellSouth Network Solutions,
23577 759 773 KRNIC
7011 600 695 Citizens Utilities
19916 562 567 OLM LLC
7046 557 803 UUNET Technologies, Inc.
4766 556 747 Korea Telecom (KIX)
9498 548 894 BHARTI BT INTERNET LTD.
4538 532 954 China Education and Research
4755 482 1060 Videsh Sanchar Nigam Ltd. Aut
15270 464 494 PaeTec.net -a division of Pae
855 435 538 Canadian Research Network
18101 422 488 Reliance Infocom Ltd Internet
5668 420 547 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:61 9:1 12:1669 13:1 15:15
16:3 17:3 18:5 20:34 24:843 25:1
32:176 38:270 40:57 41:49 44:2 47:10
52:4 53:1 55:1 56:3 57:53 58:282
59:378 60:223 61:959 62:1190 63:3344 64:3323
65:3634 66:3223 67:706 68:658 69:1728 70:407
71:114 72:1051 74:118 75:49 76:13 80:828
81:785 82:670 83:400 84:495 85:757 86:414
87:436 88:252 89:675 90:2 91:97 97:1
121:96 122:42 123:3 124:479 125:740 128:309
129:219 130:131 131:318 132:48 133:11 134:177
135:42 136:180 137:114 138:188 139:101 140:528
141:135 142:367 143:210 144:256 145:67 146:324
147:143 148:369 149:174 150:110 151:118 152:89
153:117 154:6 155:247 156:148 157:152 158:167
159:141 160:99 161:90 162:225 163:159 164:282
165:239 166:242 167:279 168:482 169:123 170:387
171:12 172:1 189:30 190:298 192:5820 193:3649
194:2928 195:2290 196:991 198:3933 199:3359 200:4582
201:944 202:7239 203:7293 204:4109 205:2221 206:2654
207:3150 208:3069 209:3702 210:2417 211:991 212:1408
213:1539 214:383 215:39 216:4264 217:1348 218:370
219:292 220:827 221:390 222:252
End of report
