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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 17 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 227639
Prefixes after maximum aggregation: 118482
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 105996
Total ASes present in the Internet Routing Table: 24977
Prefixes per ASN: 9.11
Origin-only ASes present in the Internet Routing Table: 21738
Origin ASes announcing only one prefix: 10469
Transit ASes present in the Internet Routing Table: 3239
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 26
Max AS path prepend of ASN (34204) 23
Prefixes from unregistered ASNs in the Routing Table: 41
Unregistered ASNs in the Routing Table: 26
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1688401988
Equivalent to 100 /8s, 162 /16s and 248 /24s
Percentage of available address space announced: 45.6
Percentage of allocated address space announced: 61.8
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 121324
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 50989
Total APNIC prefixes after maximum aggregation: 20220
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 47911
Unique aggregates announced from the APNIC address blocks: 21156
APNIC Region origin ASes present in the Internet Routing Table: 2930
APNIC Prefixes per ASN: 16.35
APNIC Region origin ASes announcing only one prefix: 781
APNIC Region transit ASes present in the Internet Routing Table: 439
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 291287128
Equivalent to 17 /8s, 92 /16s and 176 /24s
Percentage of available APNIC address space announced: 72.2
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, 116/6, 120/6, 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: 112793
Total ARIN prefixes after maximum aggregation: 63060
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 84023
Unique aggregates announced from the ARIN address blocks: 30262
ARIN Region origin ASes present in the Internet Routing Table: 11503
ARIN Prefixes per ASN: 7.30
ARIN Region origin ASes announcing only one prefix: 4395
ARIN Region transit ASes present in the Internet Routing Table: 1064
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 328629984
Equivalent to 19 /8s, 150 /16s and 126 /24s
Percentage of available ARIN address space announced: 72.5
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: 46586
Total RIPE prefixes after maximum aggregation: 30084
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43243
Unique aggregates announced from the RIPE address blocks: 27717
RIPE Region origin ASes present in the Internet Routing Table: 9503
RIPE Prefixes per ASN: 4.55
RIPE Region origin ASes announcing only one prefix: 4986
RIPE Region transit ASes present in the Internet Routing Table: 1531
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 298832576
Equivalent to 17 /8s, 207 /16s and 210 /24s
Percentage of available RIPE address space announced: 74.2
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
40960-43007
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 14611
Total LACNIC prefixes after maximum aggregation: 4096
LACNIC Deaggregation factor: 3.57
Prefixes being announced from the LACNIC address blocks: 12706
Unique aggregates announced from the LACNIC address blocks: 7111
LACNIC Region origin ASes present in the Internet Routing Table: 777
LACNIC Prefixes per ASN: 16.35
LACNIC Region origin ASes announcing only one prefix: 249
LACNIC Region transit ASes present in the Internet Routing Table: 138
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 38285568
Equivalent to 2 /8s, 72 /16s and 49 /24s
Percentage of available LACNIC address space announced: 57.0
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: 2620
Total AfriNIC prefixes after maximum aggregation: 1016
AfriNIC Deaggregation factor: 2.58
Prefixes being announced from the AfriNIC address blocks: 1985
Unique aggregates announced from the AfriNIC address blocks: 1174
AfriNIC Region origin ASes present in the Internet Routing Table: 184
AfriNIC Prefixes per ASN: 10.79
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5977600
Equivalent to 0 /8s, 91 /16s and 54 /24s
Percentage of available AfriNIC address space announced: 17.8
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 1273 9471 270 CHINANET-BACKBONE
4755 1199 383 76 Videsh Sanchar Nigam Ltd. Aut
9583 1088 78 382 Sify Limited
9498 971 469 74 BHARTI BT INTERNET LTD.
4766 782 4943 312 Korea Telecom (KIX)
23577 780 35 708 Korea Telecom (ATM-MPLS)
17488 663 43 34 Hathway IP Over Cable Interne
1221 623 1957 464 Telstra Pty Ltd
7545 613 142 78 TPG Internet Pty Ltd
18101 530 116 26 Reliance Infocom Ltd Internet
4668 504 68 10 LG-EDS Systems Inc.
17676 503 10935 65 Softbank BB Corp.
7474 464 216 267 SingTel Optus Pty Ltd
4812 459 799 74 China Telecom (Shanghai)
9443 458 115 74 Primus Telecommunications
9942 446 82 121 COMindico Australia
17557 361 35 171 Pakistan Telecom
9829 359 274 14 BSNL National Internet Backbo
4802 358 86 148 Wantree Development
2907 342 1765 313 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 926 897 645 Telenor Internet Access
702 520 1941 414 UUNET - Commercial IP service
24863 341 47 33 LINKdotNET AS number
3301 308 1455 288 TeliaNet Sweden
3320 302 4993 250 Deutsche Telekom AG
6746 275 95 252 Dynamic Network Technologies,
8220 261 461 251 COLT Telecommunications
680 258 2044 250 DFN-IP service G-WiN
3215 239 2256 92 France Telecom Transpac
8708 235 288 228 Romania Data Systems S.A.
5089 232 1657 52 NTL Group Limited
1257 231 1180 169 SWIPnet Swedish IP Network
3269 216 2583 73 TELECOM ITALIA
3246 211 341 200 Song Networks
8551 208 197 27 Bezeq International
30890 205 17 93 SC Kappa Invexim SRL
20858 199 34 4 EgyNet
3352 197 1795 36 Ibernet, Internet Access Netw
3300 190 171 90 AUCS Communications Services
9116 188 134 24 Goldenlines main autonomous s
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4796 6677 741 UUNET Technologies, Inc.
7018 1508 10229 986 AT&T WorldNet Services
4323 1270 1006 354 Time Warner Telecom
705 1106 546 566 UUNET Technologies, Inc.
6478 1093 334 146 AT&T Worldnet Services
2386 1089 528 734 AT&T Data Communications Serv
6197 1034 686 501 BellSouth Network Solutions,
11492 1031 102 15 Cable One
18566 999 288 9 Covad Communications
174 955 6792 869 Cogent Communications
20115 816 726 425 Charter Communications
1239 811 2683 565 Sprint
7046 788 263 648 UUNET Technologies, Inc.
7011 783 225 465 Citizens Utilities
209 719 3734 570 Qwest
19262 709 2534 169 Verizon Global Networks
22773 698 1871 40 Cox Communications, Inc.
577 641 778 206 Bell Advanced Communications
721 614 21756 273 DLA Systems Automation Center
852 610 1095 377 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1199 1123 Videsh Sanchar Nigam Ltd. Aut
11492 1031 1016 Cable One
4134 1273 1003 CHINANET-BACKBONE
18566 999 990 Covad Communications
6478 1093 947 AT&T Worldnet Services
4323 1270 916 Time Warner Telecom
9498 971 897 BHARTI BT INTERNET LTD.
8151 1044 835 UniNet S.A. de C.V.
9583 1088 706 Sify Limited
22773 698 658 Cox Communications, Inc.
17488 663 629 Hathway IP Over Cable Interne
5668 586 569 CenturyTel Internet Holdings,
705 1106 540 UUNET Technologies, Inc.
19262 709 540 Verizon Global Networks
7545 613 535 TPG Internet Pty Ltd
6197 1034 533 BellSouth Network Solutions,
7018 1508 522 AT&T WorldNet Services
19916 568 514 OLM LLC
18101 530 504 Reliance Infocom Ltd Internet
855 565 495 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
64519 PRIVATE 87.198.212.128/25 34245 Magnet Networks AS
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65027 PRIVATE 135.196.97.168/29 8190 VIATEL
42633 UNALLOCATED 170.194.8.0/21 702 UUNET - Commercial I
64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In
64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In
64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In
64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In
64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In
64526 PRIVATE 195.47.13.96/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.128/27 6721 The Terminal Bar: In
64542 PRIVATE 195.47.25.192/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.192/28 6721 The Terminal Bar: In
64526 PRIVATE 195.47.39.128/26 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.128/26 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.128/25 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.192/26 6721 The Terminal Bar: In
64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In
64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In
64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In
65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
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
192.0.2.0/24 2854 RoSprint AS (Global One Russi
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
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
180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI
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
192.153.136.0/21 721 DLA Systems Automation Center
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 /8:18 /9:9 /10:12 /11:34 /12:125
/13:247 /14:449 /15:860 /16:9363 /17:3869 /18:6399
/19:13547 /20:15457 /21:13905 /22:18348 /23:19872 /24:121572
/25:1011 /26:1104 /27:572 /28:186 /29:166 /30:425
/31:0 /32:89
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3581 4796 UUNET Technologies, Inc.
6478 1084 1093 AT&T Worldnet Services
11492 1017 1031 Cable One
18566 981 999 Covad Communications
9583 928 1088 Sify Limited
2119 829 926 Telenor Internet Access
7018 816 1508 AT&T WorldNet Services
2386 810 1089 AT&T Data Communications Serv
6197 796 1034 BellSouth Network Solutions,
23577 766 780 Korea Telecom (ATM-MPLS)
705 706 1106 UUNET Technologies, Inc.
7011 686 783 Citizens Utilities
9498 634 971 BHARTI BT INTERNET LTD.
4755 589 1199 Videsh Sanchar Nigam Ltd. Aut
4766 588 782 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 543 788 UUNET Technologies, Inc.
4323 534 1270 Time Warner Telecom
4668 494 504 LG-EDS Systems Inc.
15270 492 525 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:70 9:1 12:1810 15:19
16:3 17:3 18:8 20:37 24:955 25:1
32:174 38:297 40:57 41:123 43:6 44:2
47:4 52:4 55:1 56:3 57:53 58:365
59:367 60:265 61:921 62:1020 63:3355 64:3223
65:3658 66:3355 67:812 68:647 69:1803 70:494
71:110 72:1251 73:1 74:393 75:254 76:35
77:142 80:855 81:807 82:737 83:406 84:439
85:812 86:445 87:456 88:244 89:842 90:19
91:268 97:1 116:18 121:179 122:523 123:92
124:769 125:933 128:272 129:222 130:125 131:349
132:51 133:10 134:193 135:39 136:180 137:87
138:194 139:114 140:482 141:149 142:392 143:214
144:290 145:43 146:323 147:147 148:396 149:145
150:115 151:124 152:95 153:121 154:5 155:251
156:153 157:185 158:161 159:154 160:103 161:93
162:236 163:141 164:462 165:404 166:248 167:278
168:500 169:120 170:393 171:15 172:1 189:259
190:567 192:5810 193:3808 194:3097 195:2279 196:973
198:3875 199:3360 200:4678 201:1017 202:7297 203:7476
204:4097 205:2209 206:2622 207:3150 208:3271 209:3749
210:2389 211:978 212:1340 213:1491 214:402 215:39
216:4174 217:1151 218:372 219:304 220:940 221:397
222:269
End of report
