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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 22 Feb, 2007
Analysis Summary
----------------
BGP routing table entries examined: 222510
Prefixes after maximum aggregation: 116204
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 103798
Total ASes present in the Internet Routing Table: 24505
Origin-only ASes present in the Internet Routing Table: 21206
Origin ASes announcing only one prefix: 10274
Transit ASes present in the Internet Routing Table: 3299
Transit-only ASes present in the Internet Routing Table: 83
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 31
Max AS path prepend of ASN (29187) 19
Prefixes from unregistered ASNs in the Routing Table: 62
Unregistered ASNs in the Routing Table: 24
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1688200392
Equivalent to 100 /8s, 159 /16s and 228 /24s
Percentage of available address space announced: 45.5
Percentage of allocated address space announced: 62.6
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 117376
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 49123
Total APNIC prefixes after maximum aggregation: 19559
APNIC Deaggregation factor: 2.51
Prefixes being announced from the APNIC address blocks: 46123
Unique aggregates announced from the APNIC address blocks: 20401
APNIC Region origin ASes present in the Internet Routing Table: 2886
APNIC Region origin ASes announcing only one prefix: 780
APNIC Region transit ASes present in the Internet Routing Table: 431
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 290404000
Equivalent to 17 /8s, 79 /16s and 54 /24s
Percentage of available APNIC address space announced: 71.9
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: 111578
Total ARIN prefixes after maximum aggregation: 62513
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 82608
Unique aggregates announced from the ARIN address blocks: 29544
ARIN Region origin ASes present in the Internet Routing Table: 11376
ARIN Region origin ASes announcing only one prefix: 4361
ARIN Region transit ASes present in the Internet Routing Table: 1109
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 321094880
Equivalent to 19 /8s, 35 /16s and 132 /24s
Percentage of available ARIN address space announced: 70.9
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: 45011
Total RIPE prefixes after maximum aggregation: 29069
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 41895
Unique aggregates announced from the RIPE address blocks: 27098
RIPE Region origin ASes present in the Internet Routing Table: 9208
RIPE Region origin ASes announcing only one prefix: 4820
RIPE Region transit ASes present in the Internet Routing Table: 1546
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 291422464
Equivalent to 17 /8s, 94 /16s and 193 /24s
Percentage of available RIPE address space announced: 79.0
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: 14061
Total LACNIC prefixes after maximum aggregation: 4063
LACNIC Deaggregation factor: 3.46
Prefixes being announced from the LACNIC address blocks: 12130
Unique aggregates announced from the LACNIC address blocks: 7035
LACNIC Region origin ASes present in the Internet Routing Table: 766
LACNIC Region origin ASes announcing only one prefix: 250
LACNIC Region transit ASes present in the Internet Routing Table: 135
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 37533952
Equivalent to 2 /8s, 60 /16s and 185 /24s
Percentage of available LACNIC address space announced: 55.9
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: 2677
Total AfriNIC prefixes after maximum aggregation: 998
AfriNIC Deaggregation factor: 2.68
Prefixes being announced from the AfriNIC address blocks: 1969
Unique aggregates announced from the AfriNIC address blocks: 1178
AfriNIC Region origin ASes present in the Internet Routing Table: 185
AfriNIC Region origin ASes announcing only one prefix: 62
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC addresses announced to Internet: 5418752
Equivalent to 0 /8s, 82 /16s and 175 /24s
Percentage of available AfriNIC address space announced: 16.1
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 8702 277 CHINANET-BACKBONE
4755 1117 383 73 Videsh Sanchar Nigam Ltd. Aut
9583 1074 77 368 Sify Limited
9498 958 468 66 BHARTI BT INTERNET LTD.
23577 780 35 708 Korea Telecom (ATM-MPLS)
4766 769 4944 310 Korea Telecom (KIX)
1221 621 1686 453 Telstra Pty Ltd
17488 597 39 26 Hathway IP Over Cable Interne
7545 587 142 77 TPG Internet Pty Ltd
18101 521 103 23 Reliance Infocom Ltd Internet
17676 503 10935 65 Softbank BB Corp.
4812 499 763 72 China Telecom (Shanghai)
4668 459 67 12 LG-EDS Systems Inc.
7474 454 216 260 SingTel Optus Pty Ltd
9443 443 111 75 Primus Telecommunications
9942 432 85 127 COMindico Australia
17849 370 35 94 Telecommunications Technology
4802 362 86 148 Wantree Development
17557 353 34 169 Pakistan Telecom
2907 339 1749 310 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1880 424 UUNET - Commercial IP service
2119 396 812 333 Telenor Internet Access
24863 324 44 24 LINKdotNET AS number
3301 312 1199 291 TeliaNet Sweden
3320 298 4993 249 Deutsche Telekom AG
8220 271 469 261 COLT Telecommunications
6746 267 95 246 Dynamic Network Technologies,
1257 263 1116 174 SWIPnet Swedish IP Network
680 257 2044 251 DFN-IP service G-WiN
8708 241 284 228 Romania Data Systems S.A.
5089 239 1657 52 NTL Group Limited
3215 238 2224 92 France Telecom Transpac
5416 220 14 11 BATELCO-BH
3269 212 2423 72 TELECOM ITALIA
3246 208 355 197 Song Networks
30890 206 17 96 SC Kappa Invexim SRL
8551 205 197 25 Bezeq International
3352 202 1783 33 Ibernet, Internet Access Netw
20858 197 34 3 EgyNet
3300 187 171 91 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4795 6693 741 UUNET Technologies, Inc.
7018 1493 6100 980 AT&T WorldNet Services
4323 1448 1005 349 Time Warner Telecom
705 1326 557 601 UUNET Technologies, Inc.
6478 1129 449 195 AT&T Worldnet Services
2386 1114 570 738 AT&T Data Communications Serv
6197 1015 651 501 BellSouth Network Solutions,
18566 991 288 9 Covad Communications
11492 975 101 13 Cable One
174 942 6792 866 Cogent Communications
1239 814 2714 572 Sprint
20115 800 707 424 Charter Communications
7046 793 266 655 UUNET Technologies, Inc.
7011 786 227 475 Citizens Utilities
19262 757 2591 178 Verizon Global Networks
22773 731 1872 41 Cox Communications, Inc.
209 712 3743 570 Qwest
721 635 21787 273 DLA Systems Automation Center
852 620 1090 392 Telus Advanced Communications
577 588 760 205 Bell Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1448 1099 Time Warner Telecom
4755 1117 1044 Videsh Sanchar Nigam Ltd. Aut
4134 1273 996 CHINANET-BACKBONE
18566 991 982 Covad Communications
11492 975 962 Cable One
6478 1129 934 AT&T Worldnet Services
9498 958 892 BHARTI BT INTERNET LTD.
8151 1021 810 UniNet S.A. de C.V.
705 1326 725 UUNET Technologies, Inc.
9583 1074 706 Sify Limited
22773 731 690 Cox Communications, Inc.
19262 757 579 Verizon Global Networks
17488 597 571 Hathway IP Over Cable Interne
5668 573 557 CenturyTel Internet Holdings,
6197 1015 514 BellSouth Network Solutions,
19916 568 514 OLM LLC
7018 1493 513 AT&T WorldNet Services
7545 587 510 TPG Internet Pty Ltd
18101 521 498 Reliance Infocom Ltd Internet
855 566 496 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65533 PRIVATE 4.33.8.0/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.16/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.32/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.48/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.64/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.80/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.96/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.112/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.128/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.144/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.160/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.176/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.192/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.208/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.224/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.240/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.0/26 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.128/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.192/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.224/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.0/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.16/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.32/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.48/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.64/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.80/28 293 Energy Sciences Netw
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
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
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
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 /8:20 /9:9 /10:12 /11:34 /12:119
/13:238 /14:427 /15:830 /16:9276 /17:3790 /18:6262
/19:13377 /20:15093 /21:13741 /22:17813 /23:19178 /24:119307
/25:875 /26:654 /27:527 /28:214 /29:174 /30:467
/31:0 /32:73
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3559 4795 UUNET Technologies, Inc.
6478 1077 1129 AT&T Worldnet Services
18566 973 991 Covad Communications
11492 961 975 Cable One
9583 910 1074 Sify Limited
2386 837 1114 AT&T Data Communications Serv
705 823 1326 UUNET Technologies, Inc.
7018 804 1493 AT&T WorldNet Services
6197 794 1015 BellSouth Network Solutions,
23577 766 780 Korea Telecom (ATM-MPLS)
7011 686 786 Citizens Utilities
4323 635 1448 Time Warner Telecom
9498 612 958 BHARTI BT INTERNET LTD.
4766 577 769 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 546 793 UUNET Technologies, Inc.
4755 523 1117 Videsh Sanchar Nigam Ltd. Aut
15270 475 507 PaeTec.net -a division of Pae
855 465 566 Canadian Research Network
18101 452 521 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:62 9:1 12:1812 13:1
15:16 16:3 17:3 18:5 20:38 24:917
25:1 32:172 38:282 40:57 41:89 44:2
47:7 52:4 55:1 56:3 57:52 58:319
59:390 60:211 61:963 62:1079 63:3337 64:3319
65:3671 66:3255 67:745 68:661 69:1745 70:458
71:98 72:1217 73:1 74:168 75:80 76:6
77:34 80:845 81:784 82:703 83:371 84:513
85:754 86:438 87:493 88:244 89:802 90:3
91:175 97:1 121:137 122:321 123:40 124:579
125:876 128:310 129:219 130:131 131:348 132:49
133:10 134:190 135:38 136:180 137:122 138:196
139:103 140:499 141:142 142:394 143:212 144:277
145:43 146:315 147:149 148:376 149:192 150:114
151:116 152:96 153:118 154:6 155:246 156:151
157:179 158:168 159:150 160:99 161:91 162:231
163:163 164:459 165:381 166:245 167:282 168:514
169:120 170:387 171:15 172:1 189:172 190:425
192:5801 193:3743 194:3010 195:2300 196:1020 198:3887
199:3356 200:4631 201:985 202:7239 203:7385 204:4110
205:2186 206:2616 207:3103 208:3178 209:3720 210:2387
211:975 212:1362 213:1475 214:408 215:39 216:4280
217:1181 218:367 219:272 220:872 221:373 222:248
End of report
