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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 06 Jan, 2008
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/oix-data/2008/01/06
Analysis Summary
----------------
BGP routing table entries examined: 248379
Prefixes after maximum aggregation: 124959
Deaggregation factor: 1.99
Unique aggregates announced to Internet: 118389
Total ASes present in the Internet Routing Table: 27031
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 23539
Origin ASes announcing only one prefix: 11409
Transit ASes present in the Internet Routing Table: 3492
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.0
Max AS path length visible: 20
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 27
Unregistered ASNs in the Routing Table: 12
Number of 32-bit ASNs allocated by the RIRs: 0
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 0
Number of addresses announced to Internet: 1801068188
Equivalent to 107 /8s, 90 /16s and 30 /24s
Percentage of available address space announced: 48.6
Percentage of allocated address space announced: inf
Percentage of available address space allocated: 0.0
Percentage of address space in use by end-sites: 0.0
Total number of prefixes smaller than registry allocations: 115550
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 52039
Total APNIC prefixes after maximum aggregation: 19084
APNIC Deaggregation factor: 2.73
Prefixes being announced from the APNIC address blocks: 0
Unique aggregates announced from the APNIC address blocks: 0
APNIC Region origin ASes present in the Internet Routing Table: 3035
APNIC Prefixes per ASN: 0.00
APNIC Region origin ASes announcing only one prefix: 800
APNIC Region transit ASes present in the Internet Routing Table: 431
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
Percentage of available APNIC address space announced: nan
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 142586
Total ARIN prefixes after maximum aggregation: 74380
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 0
Unique aggregates announced from the ARIN address blocks: 0
ARIN Region origin ASes present in the Internet Routing Table: 12784
ARIN Prefixes per ASN: 0.00
ARIN Region origin ASes announcing only one prefix: 4777
ARIN Region transit ASes present in the Internet Routing Table: 1355
Average ARIN Region AS path length visible: 2.7
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
Percentage of available ARIN address space announced: nan
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
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 50208
Total RIPE prefixes after maximum aggregation: 30191
RIPE Deaggregation factor: 1.66
Prefixes being announced from the RIPE address blocks: 0
Unique aggregates announced from the RIPE address blocks: 0
RIPE Region origin ASes present in the Internet Routing Table: 10635
RIPE Prefixes per ASN: 0.00
RIPE Region origin ASes announcing only one prefix: 5610
RIPE Region transit ASes present in the Internet Routing Table: 1633
Average RIPE Region AS path length visible: 3.3
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
Percentage of available RIPE address space announced: nan
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
40960-45055
RIPE Address Blocks
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 3263
Total LACNIC prefixes after maximum aggregation: 1148
LACNIC Deaggregation factor: 2.84
Prefixes being announced from the LACNIC address blocks: 0
Unique aggregates announced from the LACNIC address blocks: 0
LACNIC Region origin ASes present in the Internet Routing Table: 428
LACNIC Prefixes per ASN: 0.00
LACNIC Region origin ASes announcing only one prefix: 188
LACNIC Region transit ASes present in the Internet Routing Table: 34
Average LACNIC Region AS path length visible: 3.2
Max LACNIC Region AS path length visible: 14
Number of LACNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
Percentage of available LACNIC address space announced: nan
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 248
Total AfriNIC prefixes after maximum aggregation: 138
AfriNIC Deaggregation factor: 1.80
Prefixes being announced from the AfriNIC address blocks: 0
Unique aggregates announced from the AfriNIC address blocks: 0
AfriNIC Region origin ASes present in the Internet Routing Table: 73
AfriNIC Prefixes per ASN: 0.00
AfriNIC Region origin ASes announcing only one prefix: 34
AfriNIC Region transit ASes present in the Internet Routing Table: 3
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
Percentage of available AfriNIC address space announced: nan
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4755 1511 383 70 Videsh Sanchar Nigam Ltd. Aut
9498 1100 549 61 BHARTI BT INTERNET LTD.
9583 1097 81 432 Sify Limited
17488 950 61 83 Hathway IP Over Cable Interne
23577 937 34 790 Korea Telecom (ATM-MPLS)
4766 827 5495 339 Korea Telecom (KIX)
18101 607 120 59 Reliance Infocom Ltd Internet
4780 593 308 42 Digital United Inc.
9829 590 449 11 BSNL National Internet Backbo
4812 527 873 81 China Telecom (Shanghai)
4668 521 68 10 LG-EDS Systems Inc.
4808 520 811 121 CNCGROUP IP network: China169
17676 505 10919 64 Softbank BB Corp.
7545 495 147 95 TPG Internet Pty Ltd
4802 471 128 150 Wantree Development
7474 462 202 274 SingTel Optus Pty Ltd
9443 440 121 71 Primus Telecommunications
9942 423 77 115 COMindico Australia
17974 389 144 16 PT TELEKOMUNIKASI INDONESIA
4837 369 5156 178 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 411 1654 369 TDC Tele Danmark
24863 401 60 35 LINKdotNET AS number
3301 324 1458 298 TeliaNet Sweden
3320 315 6019 261 Deutsche Telekom AG
3300 302 172 120 AUCS Communications Services
8452 287 188 7 TEDATA
8551 278 268 35 Bezeq International
8866 276 78 24 Bulgarian Telecommunication C
6746 272 128 250 Dynamic Network Technologies,
3215 270 2583 92 France Telecom Transpac
8708 270 420 242 Romania Data Systems S.A.
5462 266 666 28 Telewest Broadband
8220 242 422 228 COLT Telecommunications
3352 238 1948 40 Ibernet, Internet Access Netw
9155 237 43 10 QualityNet AS number
3269 231 3037 68 TELECOM ITALIA
2856 221 2306 163 BTnet UK Regional network
9116 215 184 28 Goldenlines main autonomous s
9121 210 1444 25 TTnet Autonomous System
20858 202 34 4 EgyNet
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4538 1704 3022 36 China Education and Research
7018 1492 10210 1008 AT&T WorldNet Services
4323 1385 1009 360 Time Warner Telecom
2386 1344 652 815 AT&T Data Communications Serv
11492 1207 134 17 Cable One
6478 1096 330 135 AT&T Worldnet Services
8151 1084 2265 220 UniNet S.A. de C.V.
18566 1039 296 10 Covad Communications
7011 1010 297 590 Citizens Utilities
4134 980 11601 305 CHINANET-BACKBONE
174 971 6817 817 Cogent Communications
6197 970 697 502 BellSouth Network Solutions,
701 898 6543 705 UUNET Technologies, Inc.
20115 858 792 466 Charter Communications
19262 857 3141 173 Verizon Global Networks
22773 837 2140 59 Cox Communications, Inc.
3356 833 10907 415 Level 3 Communications, LLC
1239 797 2681 552 Sprint
3561 797 2322 360 Savvis
209 749 3784 596 Qwest
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1511 1441 Videsh Sanchar Nigam Ltd. Aut
11492 1207 1190 Cable One
9498 1100 1039 BHARTI BT INTERNET LTD.
18566 1039 1029 Covad Communications
4323 1385 1025 Time Warner Telecom
6478 1096 961 AT&T Worldnet Services
17488 950 867 Hathway IP Over Cable Interne
8151 1084 864 UniNet S.A. de C.V.
22773 837 778 Cox Communications, Inc.
19262 857 684 Verizon Global Networks
4134 980 675 CHINANET-BACKBONE
9583 1097 665 Sify Limited
5668 666 647 CenturyTel Internet Holdings,
9829 590 579 BSNL National Internet Backbo
6517 603 560 Yipes Communications, Inc.
15270 598 551 PaeTec.net -a division of Pae
4780 593 551 Digital United Inc.
18101 607 548 Reliance Infocom Ltd Internet
11830 545 536 Instituto Costarricense de El
2386 1344 529 AT&T Data Communications Serv
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net
65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans
65500 PRIVATE 83.142.233.0/24 20516 SkyVision Ukraine
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65500 PRIVATE 192.239.84.0/24 10886 University of Maryla
65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans
64532 PRIVATE 195.22.48.64/27 6721 *****The Terminal Ba
60003 RESERVED 195.164.196.0/24 8308 NASK
65002 PRIVATE 198.128.4.0/24 292 Energy Sciences Netw
65001 PRIVATE 198.128.15.96/27 293 Energy Sciences Netw
65002 PRIVATE 198.129.33.36/32 292 Energy Sciences Netw
65001 PRIVATE 198.129.44.28/32 292 Energy Sciences Netw
65002 PRIVATE 198.129.224.96/29 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.32/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.112/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.116/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.120/30 292 Energy Sciences Netw
65000 PRIVATE 199.133.62.0/24 10886 University of Maryla
65000 PRIVATE 199.133.63.0/24 10886 University of Maryla
65201 PRIVATE 202.112.49.0/24 4538 China Education and
65201 PRIVATE 202.112.50.0/24 4538 China Education and
65201 PRIVATE 202.112.54.0/24 4538 China Education and
65201 PRIVATE 202.112.57.0/24 4538 China Education and
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
128.0.10.0/24 12479 Uni2 Autonomous System
172.31.46.0/24 38416 KRNIC
192.0.2.0/24 2854 RoSprint AS (Global One Russi
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 /10:15 /11:40 /12:135
/13:277 /14:494 /15:981 /16:9842 /17:4325 /18:7119
/19:15245 /20:18116 /21:16453 /22:20701 /23:21766 /24:129069
/25:1026 /26:1224 /27:629 /28:280 /29:208 /30:315
/31:0 /32:92
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1207 1207 Cable One
6478 1095 1096 AT&T Worldnet Services
18566 1039 1039 Covad Communications
2386 1016 1344 AT&T Data Communications Serv
7011 919 1010 Citizens Utilities
9498 869 1100 BHARTI BT INTERNET LTD.
20115 823 858 Charter Communications
4755 804 1511 Videsh Sanchar Nigam Ltd. Aut
22773 796 837 Cox Communications, Inc.
6197 785 970 BellSouth Network Solutions,
19262 755 857 Verizon Global Networks
8151 721 1084 UniNet S.A. de C.V.
17488 688 950 Hathway IP Over Cable Interne
23577 686 937 Korea Telecom (ATM-MPLS)
7018 680 1492 AT&T WorldNet Services
15270 559 598 PaeTec.net -a division of Pae
9829 547 590 BSNL National Internet Backbo
4668 512 521 LG-EDS Systems Inc.
33588 469 473 Bresnan Communications, LLC.
4134 466 980 CHINANET-BACKBONE
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:97 11:1 12:1952 13:3 15:21
16:3 17:6 18:14 20:35 24:1037 25:1
31:1 32:178 33:4 38:374 40:65 41:436
43:6 44:2 47:8 52:3 55:3 56:3
57:44 58:512 59:417 60:403 61:982 62:1086
63:1990 64:3430 65:2431 66:3642 67:1028 68:641
69:2088 70:488 71:121 72:1463 73:7 74:812
75:236 76:183 77:489 78:417 79:68 80:903
81:819 82:582 83:380 84:523 85:908 86:365
87:606 88:288 89:1086 90:39 91:885 92:61
93:2 96:2 97:7 98:32 114:1 115:1
116:475 117:234 118:59 119:79 121:388 122:671
123:225 124:764 125:1061 128:312 129:188 130:132
131:391 132:71 133:9 134:188 135:34 136:200
137:89 138:149 139:121 140:500 141:129 142:380
143:262 144:321 145:51 146:336 147:128 148:544
149:190 150:117 151:129 152:97 153:127 154:12
155:278 156:199 157:245 158:165 159:210 160:191
161:102 162:199 163:189 164:566 165:422 166:301
167:310 168:562 169:128 170:426 171:28 172:4
173:1 189:145 190:1324 192:5759 193:4086 194:3320
195:2430 196:1005 198:3890 199:3230 200:5362 201:1301
202:7537 203:7950 204:3999 205:2060 206:2486 207:2829
208:3115 209:3645 210:2628 211:1155 212:1283 213:1644
214:442 215:45 216:4172 217:1239 218:349 219:505
220:1003 221:413 222:299
End of report
