[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 20 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 227829
Prefixes after maximum aggregation: 118326
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 106118
Total ASes present in the Internet Routing Table: 25059
Prefixes per ASN: 9.09
Origin-only ASes present in the Internet Routing Table: 21665
Origin ASes announcing only one prefix: 10518
Transit ASes present in the Internet Routing Table: 3394
Transit-only ASes present in the Internet Routing Table: 86
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 28
Max AS path prepend of ASN (34204) 23
Prefixes from unregistered ASNs in the Routing Table: 33
Unregistered ASNs in the Routing Table: 25
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1711004992
Equivalent to 101 /8s, 251 /16s and 221 /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: 121294
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 50689
Total APNIC prefixes after maximum aggregation: 19921
APNIC Deaggregation factor: 2.54
Prefixes being announced from the APNIC address blocks: 47611
Unique aggregates announced from the APNIC address blocks: 21169
APNIC Region origin ASes present in the Internet Routing Table: 2926
APNIC Prefixes per ASN: 16.27
APNIC Region origin ASes announcing only one prefix: 787
APNIC Region transit ASes present in the Internet Routing Table: 459
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 291875860
Equivalent to 17 /8s, 101 /16s and 172 /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: 113065
Total ARIN prefixes after maximum aggregation: 63094
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 84267
Unique aggregates announced from the ARIN address blocks: 30266
ARIN Region origin ASes present in the Internet Routing Table: 11528
ARIN Prefixes per ASN: 7.31
ARIN Region origin ASes announcing only one prefix: 4409
ARIN Region transit ASes present in the Internet Routing Table: 1115
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 329042656
Equivalent to 19 /8s, 156 /16s and 202 /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: 46701
Total RIPE prefixes after maximum aggregation: 30176
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43335
Unique aggregates announced from the RIPE address blocks: 27800
RIPE Region origin ASes present in the Internet Routing Table: 9547
RIPE Prefixes per ASN: 4.54
RIPE Region origin ASes announcing only one prefix: 5013
RIPE Region transit ASes present in the Internet Routing Table: 1597
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 303274240
Equivalent to 18 /8s, 19 /16s and 153 /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: 14690
Total LACNIC prefixes after maximum aggregation: 4098
LACNIC Deaggregation factor: 3.58
Prefixes being announced from the LACNIC address blocks: 12787
Unique aggregates announced from the LACNIC address blocks: 7095
LACNIC Region origin ASes present in the Internet Routing Table: 781
LACNIC Prefixes per ASN: 16.37
LACNIC Region origin ASes announcing only one prefix: 250
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 38363392
Equivalent to 2 /8s, 73 /16s and 97 /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: 2649
Total AfriNIC prefixes after maximum aggregation: 1029
AfriNIC Deaggregation factor: 2.57
Prefixes being announced from the AfriNIC address blocks: 2004
Unique aggregates announced from the AfriNIC address blocks: 1182
AfriNIC Region origin ASes present in the Internet Routing Table: 190
AfriNIC Prefixes per ASN: 10.55
AfriNIC Region origin ASes announcing only one prefix: 59
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 6046464
Equivalent to 0 /8s, 92 /16s and 67 /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 1199 383 74 Videsh Sanchar Nigam Ltd. Aut
9583 1097 79 376 Sify Limited
9498 979 469 75 BHARTI BT INTERNET LTD.
4766 782 4943 312 Korea Telecom (KIX)
17488 664 43 35 Hathway IP Over Cable Interne
1221 624 1957 465 Telstra Pty Ltd
7545 624 142 80 TPG Internet Pty Ltd
18101 528 116 26 Reliance Infocom Ltd Internet
4668 505 68 10 LG-EDS Systems Inc.
17676 503 10935 65 Softbank BB Corp.
7474 471 217 269 SingTel Optus Pty Ltd
4812 462 795 73 China Telecom (Shanghai)
9443 459 115 74 Primus Telecommunications
9942 444 79 121 COMindico Australia
23577 416 26 374 Korea Telecom (ATM-MPLS)
9829 360 274 15 BSNL National Internet Backbo
17557 359 35 174 Pakistan Telecom
4802 357 86 147 Wantree Development
17974 345 129 12 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 923 895 642 Telenor Internet Access
702 518 1925 412 UUNET - Commercial IP service
24863 341 47 31 LINKdotNET AS number
3301 307 1455 287 TeliaNet Sweden
3320 303 4993 251 Deutsche Telekom AG
6746 271 95 249 Dynamic Network Technologies,
8220 260 461 250 COLT Telecommunications
680 258 2044 250 DFN-IP service G-WiN
3215 239 2256 92 France Telecom Transpac
8708 235 288 229 Romania Data Systems S.A.
1257 234 1180 172 SWIPnet Swedish IP Network
5089 232 1657 52 NTL Group Limited
3269 215 2583 73 TELECOM ITALIA
3246 211 341 200 Song Networks
8551 207 196 30 Bezeq International
30890 205 17 95 SC Kappa Invexim SRL
15471 202 24 59 SNR - Societatea Nationala de
3352 200 1799 33 Ibernet, Internet Access Netw
20858 196 34 4 EgyNet
3300 192 171 92 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4813 6675 730 UUNET Technologies, Inc.
7018 1499 6102 982 AT&T WorldNet Services
4323 1444 1022 358 Time Warner Telecom
2386 1101 530 744 AT&T Data Communications Serv
6478 1095 335 150 AT&T Worldnet Services
705 1038 535 526 UUNET Technologies, Inc.
11492 1036 102 16 Cable One
6197 1034 686 501 BellSouth Network Solutions,
18566 999 288 9 Covad Communications
174 952 6792 867 Cogent Communications
20115 818 734 434 Charter Communications
1239 814 2699 568 Sprint
7011 783 225 465 Citizens Utilities
7046 780 262 650 UUNET Technologies, Inc.
209 716 3732 570 Qwest
19262 706 2537 175 Verizon Global Networks
22773 701 1871 40 Cox Communications, Inc.
577 640 777 203 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 1199 1125 Videsh Sanchar Nigam Ltd. Aut
4323 1444 1086 Time Warner Telecom
11492 1036 1020 Cable One
4134 1273 1003 CHINANET-BACKBONE
18566 999 990 Covad Communications
6478 1095 945 AT&T Worldnet Services
9498 979 904 BHARTI BT INTERNET LTD.
8151 1049 840 UniNet S.A. de C.V.
9583 1097 721 Sify Limited
22773 701 661 Cox Communications, Inc.
17488 664 629 Hathway IP Over Cable Interne
5668 593 576 CenturyTel Internet Holdings,
7545 624 544 TPG Internet Pty Ltd
6197 1034 533 BellSouth Network Solutions,
19262 706 531 Verizon Global Networks
7018 1499 517 AT&T WorldNet Services
19916 568 514 OLM LLC
705 1038 512 UUNET Technologies, Inc.
18101 528 502 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
64518 PRIVATE 125.18.63.0/24 7633 Software Technology
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
64540 PRIVATE 195.47.75.48/28 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
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
65010 PRIVATE 209.128.74.0/24 7151 Bay Area Internet So
65010 PRIVATE 209.128.124.0/24 7151 Bay Area Internet So
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 /16:9370 /17:3875 /18:6423
/19:13582 /20:15462 /21:13935 /22:18415 /23:19931 /24:122046
/25:745 /26:855 /27:570 /28:187 /29:162 /30:419
/31:0 /32:90
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3597 4813 UUNET Technologies, Inc.
6478 1086 1095 AT&T Worldnet Services
11492 1022 1036 Cable One
18566 981 999 Covad Communications
9583 936 1097 Sify Limited
2119 829 923 Telenor Internet Access
2386 820 1101 AT&T Data Communications Serv
7018 813 1499 AT&T WorldNet Services
6197 796 1034 BellSouth Network Solutions,
7011 686 783 Citizens Utilities
705 662 1038 UUNET Technologies, Inc.
9498 641 979 BHARTI BT INTERNET LTD.
4323 635 1444 Time Warner Telecom
4755 590 1199 Videsh Sanchar Nigam Ltd. Aut
4766 588 782 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 547 780 UUNET Technologies, Inc.
4668 495 505 LG-EDS Systems Inc.
15270 494 527 PaeTec.net -a division of Pae
17488 485 664 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:76 9:1 10:1 12:1814
15:19 16:3 17:3 18:8 20:37 24:955
25:1 32:174 38:298 40:57 41:123 43:6
44:2 47:4 52:4 55:1 56:3 57:54
58:363 59:368 60:267 61:923 62:1026 63:3364
64:3271 65:3663 66:3359 67:813 68:646 69:1804
70:499 71:111 72:1258 73:1 74:396 75:254
76:36 77:151 80:866 81:815 82:734 83:405
84:438 85:808 86:445 87:453 88:272 89:840
90:21 91:262 97:1 116:18 121:179 122:525
123:86 124:779 125:940 128:272 129:220 130:121
131:349 132:52 133:10 134:193 135:39 136:179
137:88 138:194 139:114 140:481 141:149 142:393
143:210 144:290 145:43 146:323 147:148 148:399
149:145 150:115 151:124 152:96 153:121 154:5
155:251 156:152 157:185 158:161 159:155 160:104
161:91 162:236 163:146 164:462 165:404 166:249
167:278 168:499 169:120 170:391 171:15 172:1
189:263 190:570 192:5811 193:3807 194:3105 195:2284
196:991 198:3878 199:3349 200:4712 201:1021 202:7282
203:7470 204:4090 205:2222 206:2648 207:3201 208:3273
209:3748 210:2461 211:976 212:1341 213:1487 214:409
215:40 216:4236 217:1156 218:372 219:361 220:924
221:401 222:270
End of report
