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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 19 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 227993
Prefixes after maximum aggregation: 118692
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 106054
Total ASes present in the Internet Routing Table: 25027
Prefixes per ASN: 9.11
Origin-only ASes present in the Internet Routing Table: 21771
Origin ASes announcing only one prefix: 10488
Transit ASes present in the Internet Routing Table: 3256
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 28
Max AS path prepend of ASN (34204) 23
Prefixes from unregistered ASNs in the Routing Table: 42
Unregistered ASNs in the Routing Table: 27
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1710640960
Equivalent to 101 /8s, 246 /16s and 79 /24s
Percentage of available address space announced: 46.2
Percentage of allocated address space announced: 62.7
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 121594
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 51141
Total APNIC prefixes after maximum aggregation: 20300
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 48066
Unique aggregates announced from the APNIC address blocks: 21146
APNIC Region origin ASes present in the Internet Routing Table: 2927
APNIC Prefixes per ASN: 16.42
APNIC Region origin ASes announcing only one prefix: 781
APNIC Region transit ASes present in the Internet Routing Table: 441
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 291848020
Equivalent to 17 /8s, 101 /16s and 63 /24s
Percentage of available APNIC address space announced: 72.3
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: 112894
Total ARIN prefixes after maximum aggregation: 63118
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 84104
Unique aggregates announced from the ARIN address blocks: 30297
ARIN Region origin ASes present in the Internet Routing Table: 11519
ARIN Prefixes per ASN: 7.30
ARIN Region origin ASes announcing only one prefix: 4397
ARIN Region transit ASes present in the Internet Routing Table: 1068
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 329064928
Equivalent to 19 /8s, 157 /16s and 33 /24s
Percentage of available ARIN address space announced: 72.6
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: 46617
Total RIPE prefixes after maximum aggregation: 30140
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43270
Unique aggregates announced from the RIPE address blocks: 27712
RIPE Region origin ASes present in the Internet Routing Table: 9532
RIPE Prefixes per ASN: 4.54
RIPE Region origin ASes announcing only one prefix: 5003
RIPE Region transit ASes present in the Internet Routing Table: 1534
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 303185344
Equivalent to 18 /8s, 18 /16s and 61 /24s
Percentage of available RIPE address space announced: 75.3
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: 14645
Total LACNIC prefixes after maximum aggregation: 4097
LACNIC Deaggregation factor: 3.57
Prefixes being announced from the LACNIC address blocks: 12740
Unique aggregates announced from the LACNIC address blocks: 7117
LACNIC Region origin ASes present in the Internet Routing Table: 777
LACNIC Prefixes per ASN: 16.40
LACNIC Region origin ASes announcing only one prefix: 248
LACNIC Region transit ASes present in the Internet Routing Table: 141
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 38290688
Equivalent to 2 /8s, 72 /16s and 69 /24s
Percentage of available LACNIC address space announced: 57.1
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: 2653
Total AfriNIC prefixes after maximum aggregation: 1029
AfriNIC Deaggregation factor: 2.58
Prefixes being announced from the AfriNIC address blocks: 1996
Unique aggregates announced from the AfriNIC address blocks: 1176
AfriNIC Region origin ASes present in the Internet Routing Table: 189
AfriNIC Prefixes per ASN: 10.56
AfriNIC Region origin ASes announcing only one prefix: 59
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5979904
Equivalent to 0 /8s, 91 /16s and 63 /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 1202 383 76 Videsh Sanchar Nigam Ltd. Aut
9583 1095 78 381 Sify Limited
9498 971 469 74 BHARTI BT INTERNET LTD.
4766 782 4943 312 Korea Telecom (KIX)
23577 781 35 709 Korea Telecom (ATM-MPLS)
17488 663 43 34 Hathway IP Over Cable Interne
1221 625 1957 466 Telstra Pty Ltd
7545 614 142 79 TPG Internet Pty Ltd
18101 529 116 26 Reliance Infocom Ltd Internet
4668 505 68 10 LG-EDS Systems Inc.
17676 503 10935 65 Softbank BB Corp.
7474 468 217 268 SingTel Optus Pty Ltd
4812 463 799 74 China Telecom (Shanghai)
9443 459 115 74 Primus Telecommunications
9942 443 79 119 COMindico Australia
17557 361 35 170 Pakistan Telecom
4802 358 86 148 Wantree Development
9829 357 274 14 BSNL National Internet Backbo
2907 343 1765 314 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 926 897 645 Telenor Internet Access
702 518 1941 412 UUNET - Commercial IP service
24863 342 47 32 LINKdotNET AS number
3301 308 1455 288 TeliaNet Sweden
3320 302 4993 250 Deutsche Telekom AG
6746 273 95 250 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 236 288 229 Romania Data Systems S.A.
5089 231 1657 52 NTL Group Limited
1257 230 1172 168 SWIPnet Swedish IP Network
3269 215 2583 73 TELECOM ITALIA
3246 212 341 201 Song Networks
8551 208 197 27 Bezeq International
30890 205 17 95 SC Kappa Invexim SRL
3352 200 1799 33 Ibernet, Internet Access Netw
20858 196 34 4 EgyNet
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 4815 6677 741 UUNET Technologies, Inc.
7018 1509 10214 989 AT&T WorldNet Services
4323 1266 1022 358 Time Warner Telecom
2386 1101 530 744 AT&T Data Communications Serv
6478 1094 334 149 AT&T Worldnet Services
705 1059 537 540 UUNET Technologies, Inc.
11492 1036 102 16 Cable One
6197 1035 686 501 BellSouth Network Solutions,
18566 999 288 9 Covad Communications
174 954 6792 869 Cogent Communications
20115 821 734 430 Charter Communications
1239 810 2715 565 Sprint
7011 783 225 465 Citizens Utilities
7046 779 262 650 UUNET Technologies, Inc.
209 720 3734 573 Qwest
19262 709 2554 172 Verizon Global Networks
22773 701 1871 40 Cox Communications, Inc.
577 642 778 206 Bell Advanced Communications
721 615 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 1202 1126 Videsh Sanchar Nigam Ltd. Aut
11492 1036 1020 Cable One
4134 1273 1003 CHINANET-BACKBONE
18566 999 990 Covad Communications
6478 1094 945 AT&T Worldnet Services
4323 1266 908 Time Warner Telecom
9498 971 897 BHARTI BT INTERNET LTD.
8151 1049 840 UniNet S.A. de C.V.
9583 1095 714 Sify Limited
22773 701 661 Cox Communications, Inc.
17488 663 629 Hathway IP Over Cable Interne
5668 592 575 CenturyTel Internet Holdings,
19262 709 537 Verizon Global Networks
7545 614 535 TPG Internet Pty Ltd
6197 1035 534 BellSouth Network Solutions,
7018 1509 520 AT&T WorldNet Services
705 1059 519 UUNET Technologies, Inc.
19916 568 514 OLM LLC
18101 529 503 Reliance Infocom Ltd Internet
855 566 495 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65534 PRIVATE 10.11.12.0/24 10886 University of Maryla
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
42379 UNALLOCATED 193.33.54.0/23 21488 Emplot Ltd. Kiev, Uk
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
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
64512 PRIVATE 208.103.63.0/24 32703 Indiana Fiber Networ
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
10.11.12.0/24 65534 *
192.0.2.0/24 812 Rogers WAVE
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
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 /8:19 /9:9 /10:13 /11:34 /12:125
/13:248 /14:450 /15:864 /16:9375 /17:3876 /18:6427
/19:13570 /20:15445 /21:13924 /22:18389 /23:19925 /24:121753
/25:1017 /26:1105 /27:569 /28:186 /29:162 /30:418
/31:0 /32:90
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3591 4815 UUNET Technologies, Inc.
6478 1085 1094 AT&T Worldnet Services
11492 1022 1036 Cable One
18566 981 999 Covad Communications
9583 934 1095 Sify Limited
2119 829 926 Telenor Internet Access
2386 820 1101 AT&T Data Communications Serv
7018 820 1509 AT&T WorldNet Services
6197 797 1035 BellSouth Network Solutions,
23577 767 781 Korea Telecom (ATM-MPLS)
7011 686 783 Citizens Utilities
705 675 1059 UUNET Technologies, Inc.
9498 636 971 BHARTI BT INTERNET LTD.
4755 591 1202 Videsh Sanchar Nigam Ltd. Aut
4766 588 782 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 547 779 UUNET Technologies, Inc.
4323 527 1266 Time Warner Telecom
4668 495 505 LG-EDS Systems Inc.
15270 494 527 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:70 9:1 10:1 12:1815
15:19 16:3 17:3 18:8 20:37 24:955
25:1 32:174 38:296 40:57 41:120 43:6
44:2 47:4 52:4 55:1 56:3 57:53
58:365 59:368 60:265 61:925 62:1026 63:3361
64:3226 65:3655 66:3361 67:813 68:646 69:1806
70:499 71:111 72:1257 73:1 74:395 75:254
76:36 77:142 80:844 81:815 82:736 83:403
84:437 85:803 86:445 87:450 88:244 89:841
90:21 91:256 97:1 116:18 121:177 122:525
123:96 124:775 125:932 128:272 129:222 130:123
131:349 132:52 133:10 134:194 135:39 136:180
137:88 138:194 139:114 140:479 141:149 142:393
143:210 144:290 145:43 146:323 147:148 148:398
149:145 150:115 151:123 152:96 153:121 154:5
155:252 156:152 157:185 158:160 159:155 160:104
161:91 162:236 163:144 164:462 165:404 166:249
167:278 168:502 169:120 170:396 171:15 172:1
189:263 190:570 192:5810 193:3795 194:3087 195:2275
196:985 198:3881 199:3347 200:4680 201:1021 202:7274
203:7469 204:4101 205:2216 206:2608 207:3164 208:3285
209:3750 210:2477 211:977 212:1338 213:1505 214:410
215:39 216:4177 217:1159 218:373 219:361 220:942
221:401 222:258
End of report
