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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 18 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 227948
Prefixes after maximum aggregation: 118592
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 106137
Total ASes present in the Internet Routing Table: 24996
Prefixes per ASN: 9.12
Origin-only ASes present in the Internet Routing Table: 21720
Origin ASes announcing only one prefix: 10475
Transit ASes present in the Internet Routing Table: 3276
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 26
Max AS path prepend of ASN (34204) 23
Prefixes from unregistered ASNs in the Routing Table: 40
Unregistered ASNs in the Routing Table: 25
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1693278528
Equivalent to 100 /8s, 237 /16s and 97 /24s
Percentage of available address space announced: 45.7
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 121548
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 51163
Total APNIC prefixes after maximum aggregation: 20291
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 48087
Unique aggregates announced from the APNIC address blocks: 21147
APNIC Region origin ASes present in the Internet Routing Table: 2927
APNIC Prefixes per ASN: 16.43
APNIC Region origin ASes announcing only one prefix: 780
APNIC Region transit ASes present in the Internet Routing Table: 446
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 291804500
Equivalent to 17 /8s, 100 /16s and 149 /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: 112849
Total ARIN prefixes after maximum aggregation: 63054
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 84050
Unique aggregates announced from the ARIN address blocks: 30271
ARIN Region origin ASes present in the Internet Routing Table: 11499
ARIN Prefixes per ASN: 7.31
ARIN Region origin ASes announcing only one prefix: 4387
ARIN Region transit ASes present in the Internet Routing Table: 1088
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 328763360
Equivalent to 19 /8s, 152 /16s and 135 /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: 46632
Total RIPE prefixes after maximum aggregation: 30126
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43295
Unique aggregates announced from the RIPE address blocks: 27761
RIPE Region origin ASes present in the Internet Routing Table: 9522
RIPE Prefixes per ASN: 4.55
RIPE Region origin ASes announcing only one prefix: 5001
RIPE Region transit ASes present in the Internet Routing Table: 1531
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 303001536
Equivalent to 18 /8s, 15 /16s and 111 /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: 14626
Total LACNIC prefixes after maximum aggregation: 4089
LACNIC Deaggregation factor: 3.58
Prefixes being announced from the LACNIC address blocks: 12725
Unique aggregates announced from the LACNIC address blocks: 7188
LACNIC Region origin ASes present in the Internet Routing Table: 776
LACNIC Prefixes per ASN: 16.40
LACNIC Region origin ASes announcing only one prefix: 247
LACNIC Region transit ASes present in the Internet Routing Table: 138
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 38176768
Equivalent to 2 /8s, 70 /16s and 136 /24s
Percentage of available LACNIC address space announced: 56.9
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: 2638
Total AfriNIC prefixes after maximum aggregation: 1026
AfriNIC Deaggregation factor: 2.57
Prefixes being announced from the AfriNIC address blocks: 1989
Unique aggregates announced from the AfriNIC address blocks: 1175
AfriNIC Region origin ASes present in the Internet Routing Table: 189
AfriNIC Prefixes per ASN: 10.52
AfriNIC Region origin ASes announcing only one prefix: 60
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5973504
Equivalent to 0 /8s, 91 /16s and 38 /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 1275 9487 269 CHINANET-BACKBONE
4755 1200 383 75 Videsh Sanchar Nigam Ltd. Aut
9583 1090 78 377 Sify Limited
9498 973 469 73 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 624 1957 465 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 461 216 266 SingTel Optus Pty Ltd
9443 459 115 74 Primus Telecommunications
4812 458 799 74 China Telecom (Shanghai)
9942 447 82 122 COMindico Australia
17557 359 35 168 Pakistan Telecom
4802 358 86 148 Wantree Development
9829 354 274 14 BSNL National Internet Backbo
17974 345 129 12 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 926 913 645 Telenor Internet Access
702 520 1941 414 UUNET - Commercial IP service
24863 341 47 31 LINKdotNET AS number
3301 307 1455 287 TeliaNet Sweden
3320 302 4993 250 Deutsche Telekom AG
6746 272 95 250 Dynamic Network Technologies,
8220 259 461 249 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 233 1180 171 SWIPnet Swedish IP Network
5089 232 1657 52 NTL Group Limited
3269 216 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 191 171 91 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 4803 6677 741 UUNET Technologies, Inc.
7018 1488 6117 971 AT&T WorldNet Services
4323 1271 1021 357 Time Warner Telecom
2386 1096 529 740 AT&T Data Communications Serv
6478 1095 335 145 AT&T Worldnet Services
705 1081 541 554 UUNET Technologies, Inc.
6197 1035 686 501 BellSouth Network Solutions,
11492 1035 102 15 Cable One
18566 999 288 9 Covad Communications
174 952 6792 867 Cogent Communications
1239 827 2732 576 Sprint
20115 819 734 434 Charter Communications
7046 793 264 653 UUNET Technologies, Inc.
7011 783 225 465 Citizens Utilities
209 723 3734 573 Qwest
19262 705 2518 168 Verizon Global Networks
22773 700 1871 40 Cox Communications, Inc.
577 642 778 206 Bell Advanced Communications
721 616 21756 274 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 1200 1125 Videsh Sanchar Nigam Ltd. Aut
11492 1035 1020 Cable One
4134 1275 1006 CHINANET-BACKBONE
18566 999 990 Covad Communications
6478 1095 950 AT&T Worldnet Services
4323 1271 914 Time Warner Telecom
9498 973 900 BHARTI BT INTERNET LTD.
8151 1047 837 UniNet S.A. de C.V.
9583 1090 713 Sify Limited
22773 700 660 Cox Communications, Inc.
17488 663 629 Hathway IP Over Cable Interne
5668 586 569 CenturyTel Internet Holdings,
19262 705 537 Verizon Global Networks
7545 614 535 TPG Internet Pty Ltd
6197 1035 534 BellSouth Network Solutions,
705 1081 527 UUNET Technologies, Inc.
7018 1488 517 AT&T WorldNet Services
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
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
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
192.0.2.0/24 812 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 /8:18 /9:9 /10:13 /11:34 /12:125
/13:248 /14:450 /15:862 /16:9375 /17:3873 /18:6415
/19:13547 /20:15453 /21:13911 /22:18367 /23:19914 /24:121795
/25:1012 /26:1103 /27:569 /28:186 /29:162 /30:418
/31:0 /32:89
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3585 4803 UUNET Technologies, Inc.
6478 1086 1095 AT&T Worldnet Services
11492 1021 1035 Cable One
18566 981 999 Covad Communications
9583 930 1090 Sify Limited
2119 829 926 Telenor Internet Access
2386 818 1096 AT&T Data Communications Serv
7018 808 1488 AT&T WorldNet Services
6197 797 1035 BellSouth Network Solutions,
23577 767 781 Korea Telecom (ATM-MPLS)
705 687 1081 UUNET Technologies, Inc.
7011 686 783 Citizens Utilities
9498 635 973 BHARTI BT INTERNET LTD.
4755 591 1200 Videsh Sanchar Nigam Ltd. Aut
4766 588 782 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 548 793 UUNET Technologies, Inc.
4323 532 1271 Time Warner Telecom
4668 495 505 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 12:1814 15:19
16:3 17:3 18:8 20:37 24:954 25:1
32:174 38:295 40:57 41:120 43:6 44:2
47:4 52:4 55:1 56:3 57:53 58:363
59:367 60:262 61:923 62:1020 63:3351 64:3222
65:3661 66:3355 67:813 68:646 69:1801 70:494
71:111 72:1255 73:1 74:394 75:254 76:35
77:150 80:855 81:814 82:739 83:407 84:437
85:812 86:446 87:451 88:243 89:847 90:19
91:268 97:1 116:18 121:182 122:525 123:96
124:771 125:938 128:272 129:222 130:123 131:349
132:52 133:10 134:193 135:39 136:180 137:88
138:194 139:114 140:480 141:149 142:393 143:211
144:289 145:43 146:323 147:148 148:397 149:145
150:115 151:124 152:95 153:121 154:5 155:252
156:151 157:185 158:161 159:155 160:103 161:93
162:236 163:141 164:462 165:404 166:249 167:278
168:501 169:120 170:393 171:15 172:1 189:259
190:570 192:5808 193:3804 194:3100 195:2288 196:983
198:3884 199:3362 200:4678 201:1019 202:7289 203:7475
204:4102 205:2211 206:2617 207:3164 208:3272 209:3750
210:2472 211:976 212:1346 213:1490 214:408 215:39
216:4175 217:1154 218:373 219:360 220:940 221:398
222:269
End of report
