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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 22 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 227966
Prefixes after maximum aggregation: 118662
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 106010
Total ASes present in the Internet Routing Table: 25013
Prefixes per ASN: 9.11
Origin-only ASes present in the Internet Routing Table: 21748
Origin ASes announcing only one prefix: 10484
Transit ASes present in the Internet Routing Table: 3265
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (17697) 13
Prefixes from unregistered ASNs in the Routing Table: 46
Unregistered ASNs in the Routing Table: 29
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1711112480
Equivalent to 101 /8s, 253 /16s and 129 /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: 121555
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 51144
Total APNIC prefixes after maximum aggregation: 20292
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 48069
Unique aggregates announced from the APNIC address blocks: 21124
APNIC Region origin ASes present in the Internet Routing Table: 2925
APNIC Prefixes per ASN: 16.43
APNIC Region origin ASes announcing only one prefix: 779
APNIC Region transit ASes present in the Internet Routing Table: 449
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 291878196
Equivalent to 17 /8s, 101 /16s and 181 /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: 112948
Total ARIN prefixes after maximum aggregation: 63087
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 84175
Unique aggregates announced from the ARIN address blocks: 30275
ARIN Region origin ASes present in the Internet Routing Table: 11512
ARIN Prefixes per ASN: 7.31
ARIN Region origin ASes announcing only one prefix: 4396
ARIN Region transit ASes present in the Internet Routing Table: 1051
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 329120736
Equivalent to 19 /8s, 157 /16s and 251 /24s
Percentage of available ARIN address space announced: 72.7
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: 46625
Total RIPE prefixes after maximum aggregation: 30152
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43260
Unique aggregates announced from the RIPE address blocks: 27781
RIPE Region origin ASes present in the Internet Routing Table: 9536
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: 1555
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 303414208
Equivalent to 18 /8s, 21 /16s and 187 /24s
Percentage of available RIPE address space announced: 75.4
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
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: 14616
Total LACNIC prefixes after maximum aggregation: 4109
LACNIC Deaggregation factor: 3.56
Prefixes being announced from the LACNIC address blocks: 12716
Unique aggregates announced from the LACNIC address blocks: 7074
LACNIC Region origin ASes present in the Internet Routing Table: 779
LACNIC Prefixes per ASN: 16.32
LACNIC Region origin ASes announcing only one prefix: 248
LACNIC Region transit ASes present in the Internet Routing Table: 139
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 38402560
Equivalent to 2 /8s, 73 /16s and 250 /24s
Percentage of available LACNIC address space announced: 57.2
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: 2586
Total AfriNIC prefixes after maximum aggregation: 1016
AfriNIC Deaggregation factor: 2.55
Prefixes being announced from the AfriNIC address blocks: 1962
Unique aggregates announced from the AfriNIC address blocks: 1154
AfriNIC Region origin ASes present in the Internet Routing Table: 183
AfriNIC Prefixes per ASN: 10.72
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6033664
Equivalent to 0 /8s, 92 /16s and 17 /24s
Percentage of available AfriNIC address space announced: 18.0
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 1198 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1094 79 380 Sify Limited
9498 976 469 74 BHARTI BT INTERNET LTD.
4766 782 4943 312 Korea Telecom (KIX)
23577 778 35 707 Korea Telecom (ATM-MPLS)
17488 666 43 36 Hathway IP Over Cable Interne
1221 623 1957 464 Telstra Pty Ltd
7545 623 142 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 473 217 269 SingTel Optus Pty Ltd
4812 462 795 73 China Telecom (Shanghai)
9443 459 115 74 Primus Telecommunications
9942 444 79 121 COMindico Australia
17557 360 35 170 Pakistan Telecom
9829 358 274 14 BSNL National Internet Backbo
4802 357 86 147 Wantree Development
2907 343 1765 314 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 925 897 644 Telenor Internet Access
702 520 1957 414 UUNET - Commercial IP service
24863 342 47 32 LINKdotNET AS number
3301 307 1455 287 TeliaNet Sweden
3320 303 4993 251 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.
1257 234 1180 172 SWIPnet Swedish IP Network
5089 232 1657 52 NTL Group Limited
3269 214 2583 72 TELECOM ITALIA
3246 211 341 200 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 193 171 92 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 4825 6693 739 UUNET Technologies, Inc.
7018 1510 10231 988 AT&T WorldNet Services
4323 1267 1022 358 Time Warner Telecom
2386 1102 531 745 AT&T Data Communications Serv
6478 1096 335 151 AT&T Worldnet Services
705 1041 534 528 UUNET Technologies, Inc.
11492 1038 102 17 Cable One
6197 1035 687 502 BellSouth Network Solutions,
18566 999 288 9 Covad Communications
174 951 6792 866 Cogent Communications
20115 822 734 426 Charter Communications
1239 800 2698 562 Sprint
7046 794 263 649 UUNET Technologies, Inc.
7011 784 225 466 Citizens Utilities
209 716 3718 569 Qwest
19262 710 2554 173 Verizon Global Networks
22773 704 1871 40 Cox Communications, Inc.
577 640 777 203 Bell Advanced Communications
721 615 21756 273 DLA Systems Automation Center
852 611 1097 378 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1198 1126 Videsh Sanchar Nigam Ltd. Aut
11492 1038 1021 Cable One
4134 1273 1003 CHINANET-BACKBONE
18566 999 990 Covad Communications
6478 1096 945 AT&T Worldnet Services
4323 1267 909 Time Warner Telecom
9498 976 902 BHARTI BT INTERNET LTD.
8151 1042 836 UniNet S.A. de C.V.
9583 1094 714 Sify Limited
22773 704 664 Cox Communications, Inc.
17488 666 630 Hathway IP Over Cable Interne
5668 593 576 CenturyTel Internet Holdings,
7545 623 544 TPG Internet Pty Ltd
19262 710 537 Verizon Global Networks
6197 1035 533 BellSouth Network Solutions,
7018 1510 522 AT&T WorldNet Services
19916 568 514 OLM LLC
705 1041 513 UUNET Technologies, Inc.
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
64786 PRIVATE 170.210.17.0/25 7303 Telecom Argentina St
64785 PRIVATE 170.210.21.128/25 7303 Telecom Argentina St
64807 PRIVATE 170.210.44.0/25 7303 Telecom Argentina St
64795 PRIVATE 170.210.46.128/25 7303 Telecom Argentina St
64810 PRIVATE 170.210.78.128/25 7303 Telecom Argentina St
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 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
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 /16:9382 /17:3875 /18:6426
/19:13573 /20:15452 /21:13945 /22:18397 /23:19867 /24:121734
/25:1015 /26:1106 /27:572 /28:189 /29:162 /30:418
/31:0 /32:91
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3601 4825 UUNET Technologies, Inc.
6478 1087 1096 AT&T Worldnet Services
11492 1024 1038 Cable One
18566 981 999 Covad Communications
9583 933 1094 Sify Limited
2119 829 925 Telenor Internet Access
2386 820 1102 AT&T Data Communications Serv
7018 818 1510 AT&T WorldNet Services
6197 796 1035 BellSouth Network Solutions,
23577 764 778 Korea Telecom (ATM-MPLS)
7011 687 784 Citizens Utilities
705 661 1041 UUNET Technologies, Inc.
9498 639 976 BHARTI BT INTERNET LTD.
4755 591 1198 Videsh Sanchar Nigam Ltd. Aut
4766 588 782 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 544 794 UUNET Technologies, Inc.
4323 529 1267 Time Warner Telecom
4668 495 505 LG-EDS Systems Inc.
15270 493 526 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:76 9:1 10:1 12:1815
15:19 16:3 17:3 18:8 20:37 24:955
25:1 32:174 38:298 40:57 41:121 43:6
44:2 47:4 52:4 55:1 56:3 57:54
58:375 59:369 60:268 61:934 62:1003 63:3368
64:3230 65:3670 66:3349 67:813 68:647 69:1822
70:506 71:111 72:1257 73:1 74:409 75:257
76:36 77:153 80:865 81:818 82:738 83:408
84:432 85:791 86:443 87:453 88:251 89:839
90:21 91:268 97:1 116:28 121:179 122:524
123:86 124:781 125:931 128:273 129:219 130:121
131:349 132:52 133:10 134:193 135:39 136:179
137:88 138:194 139:115 140:482 141:149 142:393
143:210 144:290 145:43 146:323 147:148 148:398
149:146 150:113 151:124 152:96 153:121 154:5
155:252 156:152 157:185 158:160 159:154 160:104
161:91 162:236 163:146 164:462 165:403 166:231
167:278 168:500 169:120 170:398 171:15 172:1
189:263 190:572 192:5805 193:3806 194:3106 195:2280
196:953 198:3876 199:3367 200:4697 201:957 202:7291
203:7452 204:4082 205:2216 206:2619 207:3162 208:3270
209:3745 210:2472 211:974 212:1339 213:1486 214:400
215:40 216:4170 217:1153 218:372 219:361 220:941
221:399 222:259
End of report
