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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 18 May, 2007
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/2007/05/18
Analysis Summary
----------------
BGP routing table entries examined: 212677
Prefixes after maximum aggregation: 111723
Deaggregation factor: 1.90
Unique aggregates announced to Internet: 103720
Total ASes present in the Internet Routing Table: 24373
Prefixes per ASN: 8.73
Origin-only ASes present in the Internet Routing Table: 21073
Origin ASes announcing only one prefix: 10346
Transit ASes present in the Internet Routing Table: 3300
Transit-only ASes present in the Internet Routing Table: 109
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 26
Max AS path prepend of ASN (16327) 21
Prefixes from unregistered ASNs in the Routing Table: 41
Unregistered ASNs in the Routing Table: 25
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1577716257
Equivalent to 94 /8s, 10 /16s and 10 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 56.4
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 112345
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47173
Total APNIC prefixes after maximum aggregation: 19440
APNIC Deaggregation factor: 2.43
Prefixes being announced from the APNIC address blocks: 44699
Unique aggregates announced from the APNIC address blocks: 21038
APNIC Region origin ASes present in the Internet Routing Table: 2866
APNIC Prefixes per ASN: 15.60
APNIC Region origin ASes announcing only one prefix: 778
APNIC Region transit ASes present in the Internet Routing Table: 448
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 247521732
Equivalent to 14 /8s, 192 /16s and 225 /24s
Percentage of available APNIC address space announced: 61.3
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: 102418
Total ARIN prefixes after maximum aggregation: 57856
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 75570
Unique aggregates announced from the ARIN address blocks: 29781
ARIN Region origin ASes present in the Internet Routing Table: 10975
ARIN Prefixes per ASN: 6.89
ARIN Region origin ASes announcing only one prefix: 4267
ARIN Region transit ASes present in the Internet Routing Table: 1086
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 297879632
Equivalent to 17 /8s, 193 /16s and 72 /24s
Percentage of available ARIN address space announced: 65.8
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: 45539
Total RIPE prefixes after maximum aggregation: 29494
RIPE Deaggregation factor: 1.54
Prefixes being announced from the RIPE address blocks: 42278
Unique aggregates announced from the RIPE address blocks: 27207
RIPE Region origin ASes present in the Internet Routing Table: 9450
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 4987
RIPE Region transit ASes present in the Internet Routing Table: 1552
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 295350708
Equivalent to 17 /8s, 154 /16s and 177 /24s
Percentage of available RIPE address space announced: 73.4
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
40960-44031
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: 15181
Total LACNIC prefixes after maximum aggregation: 4138
LACNIC Deaggregation factor: 3.67
Prefixes being announced from the LACNIC address blocks: 13256
Unique aggregates announced from the LACNIC address blocks: 7227
LACNIC Region origin ASes present in the Internet Routing Table: 791
LACNIC Prefixes per ASN: 16.76
LACNIC Region origin ASes announcing only one prefix: 260
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 38774784
Equivalent to 2 /8s, 79 /16s and 168 /24s
Percentage of available LACNIC address space announced: 57.8
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: 2321
Total AfriNIC prefixes after maximum aggregation: 783
AfriNIC Deaggregation factor: 2.96
Prefixes being announced from the AfriNIC address blocks: 1775
Unique aggregates announced from the AfriNIC address blocks: 1020
AfriNIC Region origin ASes present in the Internet Routing Table: 181
AfriNIC Prefixes per ASN: 9.81
AfriNIC Region origin ASes announcing only one prefix: 54
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 5534720
Equivalent to 0 /8s, 84 /16s and 116 /24s
Percentage of available AfriNIC address space announced: 16.5
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
4755 1217 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1080 78 375 Sify Limited
4134 1051 8002 231 CHINANET-BACKBONE
23577 927 35 823 Korea Telecom (ATM-MPLS)
9498 839 166 256 BHARTI BT INTERNET LTD.
4766 783 4943 312 Korea Telecom (KIX)
1221 592 1954 436 Telstra Pty Ltd
7545 577 124 123 TPG Internet Pty Ltd
18101 537 116 33 Reliance Infocom Ltd Internet
4668 508 68 10 LG-EDS Systems Inc.
17676 482 10803 49 Softbank BB Corp.
17488 462 31 78 Hathway IP Over Cable Interne
9942 435 68 111 COMindico Australia
9443 406 113 76 Primus Telecommunications
7474 377 66 218 SingTel Optus Pty Ltd
4802 360 81 146 Wantree Development
17557 354 37 168 Pakistan Telecom
2907 329 1716 303 SINET Japan
17974 327 129 12 PT TELEKOMUNIKASI INDONESIA
9929 296 151 42 China Netcom Corp.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 954 914 653 Telenor Internet Access
702 519 1939 412 UUNET - Commercial IP service
24863 345 47 31 LINKdotNET AS number
5089 310 1658 53 NTL Group Limited
3301 309 1455 289 TeliaNet Sweden
3320 303 4993 251 Deutsche Telekom AG
6746 278 128 254 Dynamic Network Technologies,
680 257 2044 250 DFN-IP service G-WiN
8220 251 459 241 COLT Telecommunications
3215 238 2254 95 France Telecom Transpac
1257 237 1180 170 SWIPnet Swedish IP Network
8708 235 287 228 Romania Data Systems S.A.
3269 216 2647 74 TELECOM ITALIA
3246 210 340 199 Song Networks
8551 208 197 27 Bezeq International
3352 203 1783 37 Ibernet, Internet Access Netw
30890 201 17 93 SC Kappa Invexim SRL
20858 197 34 4 EgyNet
9116 196 136 25 Goldenlines main autonomous s
2856 187 2318 146 BTnet UK Regional network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4992 6659 726 UUNET Technologies, Inc.
7018 1506 6171 995 AT&T WorldNet Services
2386 1138 580 751 AT&T Data Communications Serv
4323 1104 932 376 Time Warner Telecom
6478 1096 341 122 AT&T Worldnet Services
11492 1047 104 23 Cable One
174 961 6792 868 Cogent Communications
18566 930 288 9 Covad Communications
705 840 492 376 UUNET Technologies, Inc.
1239 816 2684 578 Sprint
20115 805 725 433 Charter Communications
7046 785 264 646 UUNET Technologies, Inc.
209 733 3848 584 Qwest
577 645 793 204 Bell Advanced Communications
852 605 1096 371 Telus Advanced Communications
5668 600 160 17 CenturyTel Internet Holdings,
721 592 21747 269 DLA Systems Automation Center
7029 587 456 79 Alltel Information Services,
855 566 253 71 Canadian Research Network
19916 563 47 55 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1217 1145 Videsh Sanchar Nigam Ltd. Aut
8151 1248 1037 UniNet S.A. de C.V.
11492 1047 1024 Cable One
6478 1096 974 AT&T Worldnet Services
18566 930 921 Covad Communications
4134 1051 820 CHINANET-BACKBONE
4323 1104 728 Time Warner Telecom
9583 1080 705 Sify Limited
9498 839 583 BHARTI BT INTERNET LTD.
5668 600 583 CenturyTel Internet Holdings,
7018 1506 511 AT&T WorldNet Services
7029 587 508 Alltel Information Services,
19916 563 508 OLM LLC
18101 537 504 Reliance Infocom Ltd Internet
15270 533 498 PaeTec.net -a division of Pae
4668 508 498 LG-EDS Systems Inc.
855 566 495 Canadian Research Network
4766 783 471 Korea Telecom (KIX)
705 840 464 UUNET Technologies, Inc.
11830 483 464 Instituto Costarricense de El
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65534 PRIVATE 10.11.12.0/24 10886 University of Maryla
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
47588 UNALLOCATED 64.71.19.0/24 33544 WiLine Networks Inc.
47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc.
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
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
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
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
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 /8:18 /9:7 /10:13 /11:35 /12:114
/13:209 /14:389 /15:779 /16:8432 /17:3431 /18:5644
/19:12212 /20:13910 /21:12872 /22:16908 /23:18451 /24:115559
/25:997 /26:1097 /27:565 /28:260 /29:191 /30:474
/31:0 /32:110
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3739 4992 UUNET Technologies, Inc.
6478 1087 1096 AT&T Worldnet Services
11492 1033 1047 Cable One
9583 919 1080 Sify Limited
23577 913 927 Korea Telecom (ATM-MPLS)
18566 912 930 Covad Communications
2119 854 954 Telenor Internet Access
2386 834 1138 AT&T Data Communications Serv
7018 808 1506 AT&T WorldNet Services
8151 626 1248 UniNet S.A. de C.V.
4755 612 1217 Videsh Sanchar Nigam Ltd. Aut
4766 590 783 Korea Telecom (KIX)
19916 558 563 OLM LLC
705 547 840 UUNET Technologies, Inc.
7046 537 785 UUNET Technologies, Inc.
9498 526 839 BHARTI BT INTERNET LTD.
15270 500 533 PaeTec.net -a division of Pae
4668 497 508 LG-EDS Systems Inc.
5668 465 600 CenturyTel Internet Holdings,
855 464 566 Canadian Research Network
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:7 7:1 8:72 9:1 10:1 12:1679
15:17 16:3 17:2 18:8 20:38 24:854
25:1 32:174 33:2 38:303 40:57 41:113
43:6 44:1 47:3 52:1 55:2 56:3
57:48 58:339 59:317 60:174 61:696 62:1013
63:3133 64:2877 65:3278 66:2771 67:591 68:326
69:1547 70:220 71:98 72:883 73:1 74:313
75:260 76:58 77:178 80:804 81:792 82:673
83:398 84:424 85:721 86:318 87:449 88:206
89:716 90:6 91:273 97:5 116:51 121:169
122:318 123:67 124:644 125:614 128:278 129:215
130:123 131:349 132:52 133:9 134:174 135:39
136:185 137:84 138:136 139:117 140:459 141:131
142:388 143:227 144:278 145:28 146:309 147:110
148:381 149:141 150:58 151:149 152:71 153:123
154:5 155:248 156:151 157:180 158:142 159:154
160:102 161:78 162:216 163:146 164:454 165:386
166:229 167:260 168:374 169:90 170:372 171:16
172:1 189:469 190:607 192:5410 193:3681 194:3036
195:2149 196:851 198:3642 199:3197 200:4763 201:1020
202:7327 203:7524 204:4101 205:2192 206:2569 207:3140
208:3342 209:3723 210:2478 211:998 212:1355 213:1517
214:409 215:40 216:4172 217:1147 218:376 219:364
220:959 221:401 222:264
End of report
