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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 13 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/2007/05/13
Analysis Summary
----------------
BGP routing table entries examined: 229971
Prefixes after maximum aggregation: 119370
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 106679
Total ASes present in the Internet Routing Table: 25217
Prefixes per ASN: 9.12
Origin-only ASes present in the Internet Routing Table: 21806
Origin ASes announcing only one prefix: 10591
Transit ASes present in the Internet Routing Table: 3411
Transit-only ASes present in the Internet Routing Table: 83
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 37
Max AS path prepend of ASN (31258) 21
Prefixes from unregistered ASNs in the Routing Table: 18
Unregistered ASNs in the Routing Table: 16
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1717828348
Equivalent to 102 /8s, 99 /16s and 250 /24s
Percentage of available address space announced: 46.3
Percentage of allocated address space announced: 62.9
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 123077
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 51835
Total APNIC prefixes after maximum aggregation: 20434
APNIC Deaggregation factor: 2.54
Prefixes being announced from the APNIC address blocks: 48712
Unique aggregates announced from the APNIC address blocks: 21108
APNIC Region origin ASes present in the Internet Routing Table: 2951
APNIC Prefixes per ASN: 16.51
APNIC Region origin ASes announcing only one prefix: 783
APNIC Region transit ASes present in the Internet Routing Table: 448
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 292938860
Equivalent to 17 /8s, 117 /16s and 228 /24s
Percentage of available APNIC address space announced: 72.6
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: 113222
Total ARIN prefixes after maximum aggregation: 63301
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 84512
Unique aggregates announced from the ARIN address blocks: 30554
ARIN Region origin ASes present in the Internet Routing Table: 11566
ARIN Prefixes per ASN: 7.31
ARIN Region origin ASes announcing only one prefix: 4428
ARIN Region transit ASes present in the Internet Routing Table: 1113
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 332358112
Equivalent to 19 /8s, 207 /16s and 97 /24s
Percentage of available ARIN address space announced: 73.4
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: 47281
Total RIPE prefixes after maximum aggregation: 30462
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43866
Unique aggregates announced from the RIPE address blocks: 28084
RIPE Region origin ASes present in the Internet Routing Table: 9636
RIPE Prefixes per ASN: 4.55
RIPE Region origin ASes announcing only one prefix: 5068
RIPE Region transit ASes present in the Internet Routing Table: 1605
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 37
Number of RIPE addresses announced to Internet: 305747776
Equivalent to 18 /8s, 57 /16s and 87 /24s
Percentage of available RIPE address space announced: 75.9
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: 14932
Total LACNIC prefixes after maximum aggregation: 4124
LACNIC Deaggregation factor: 3.62
Prefixes being announced from the LACNIC address blocks: 13037
Unique aggregates announced from the LACNIC address blocks: 7174
LACNIC Region origin ASes present in the Internet Routing Table: 790
LACNIC Prefixes per ASN: 16.50
LACNIC Region origin ASes announcing only one prefix: 255
LACNIC Region transit ASes present in the Internet Routing Table: 143
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 38757888
Equivalent to 2 /8s, 79 /16s and 102 /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: 2680
Total AfriNIC prefixes after maximum aggregation: 1039
AfriNIC Deaggregation factor: 2.58
Prefixes being announced from the AfriNIC address blocks: 2026
Unique aggregates announced from the AfriNIC address blocks: 1190
AfriNIC Region origin ASes present in the Internet Routing Table: 190
AfriNIC Prefixes per ASN: 10.66
AfriNIC Region origin ASes announcing only one prefix: 57
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 6016000
Equivalent to 0 /8s, 91 /16s and 204 /24s
Percentage of available AfriNIC address space announced: 17.9
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 1282 9589 276 CHINANET-BACKBONE
4755 1213 382 69 Videsh Sanchar Nigam Ltd. Aut
9583 1107 79 381 Sify Limited
9498 978 469 72 BHARTI BT INTERNET LTD.
23577 925 35 822 Korea Telecom (ATM-MPLS)
4766 783 4943 312 Korea Telecom (KIX)
17488 676 44 35 Hathway IP Over Cable Interne
7545 630 142 80 TPG Internet Pty Ltd
1221 588 1954 435 Telstra Pty Ltd
18101 536 116 28 Reliance Infocom Ltd Internet
4668 507 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 486 218 271 SingTel Optus Pty Ltd
4812 455 807 73 China Telecom (Shanghai)
9443 453 115 75 Primus Telecommunications
9942 444 77 117 COMindico Australia
4802 361 86 147 Wantree Development
17557 355 37 169 Pakistan Telecom
17974 350 129 12 PT TELEKOMUNIKASI INDONESIA
4837 344 4709 159 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 953 912 651 Telenor Internet Access
702 518 1925 411 UUNET - Commercial IP service
24863 343 47 29 LINKdotNET AS number
5089 310 1658 53 NTL Group Limited
3301 309 1455 289 TeliaNet Sweden
3320 303 4993 251 Deutsche Telekom AG
6746 277 128 254 Dynamic Network Technologies,
680 256 2042 249 DFN-IP service G-WiN
8220 250 459 240 COLT Telecommunications
3215 238 2254 95 France Telecom Transpac
1257 237 1180 170 SWIPnet Swedish IP Network
8708 234 287 228 Romania Data Systems S.A.
3269 216 2647 74 TELECOM ITALIA
3246 212 341 198 Song Networks
8551 208 197 27 Bezeq International
3352 203 1783 37 Ibernet, Internet Access Netw
30890 202 17 94 SC Kappa Invexim SRL
20858 196 34 4 EgyNet
9116 194 136 25 Goldenlines main autonomous s
3300 191 171 92 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5032 6659 727 UUNET Technologies, Inc.
7018 1503 10216 993 AT&T WorldNet Services
4323 1263 1027 359 Time Warner Telecom
2386 1131 580 751 AT&T Data Communications Serv
6478 1094 339 133 AT&T Worldnet Services
11492 1047 104 22 Cable One
6197 1033 687 507 BellSouth Network Solutions,
18566 1006 288 9 Covad Communications
174 968 6776 875 Cogent Communications
705 841 491 373 UUNET Technologies, Inc.
20115 816 741 432 Charter Communications
1239 802 2699 569 Sprint
7011 792 226 473 Citizens Utilities
7046 789 265 650 UUNET Technologies, Inc.
19262 772 2604 207 Verizon Global Networks
209 726 3847 582 Qwest
22773 713 1888 43 Cox Communications, Inc.
577 642 777 204 Bell Advanced Communications
852 605 1096 371 Telus Advanced Communications
5668 601 160 17 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1213 1144 Videsh Sanchar Nigam Ltd. Aut
11492 1047 1025 Cable One
4134 1282 1006 CHINANET-BACKBONE
18566 1006 997 Covad Communications
8151 1206 995 UniNet S.A. de C.V.
6478 1094 961 AT&T Worldnet Services
9498 978 906 BHARTI BT INTERNET LTD.
4323 1263 904 Time Warner Telecom
9583 1107 726 Sify Limited
22773 713 670 Cox Communications, Inc.
17488 676 641 Hathway IP Over Cable Interne
5668 601 584 CenturyTel Internet Holdings,
19262 772 565 Verizon Global Networks
7545 630 550 TPG Internet Pty Ltd
6197 1033 526 BellSouth Network Solutions,
19916 568 517 OLM LLC
7018 1503 510 AT&T WorldNet Services
18101 536 508 Reliance Infocom Ltd Internet
7029 586 507 Alltel Information Services,
4668 507 497 LG-EDS Systems Inc.
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.
65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global
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
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 /8:19 /9:9 /10:14 /11:34 /12:126
/13:250 /14:452 /15:874 /16:9406 /17:3913 /18:6518
/19:13600 /20:15618 /21:14129 /22:18591 /23:20090 /24:122640
/25:1014 /26:1124 /27:549 /28:237 /29:192 /30:462
/31:0 /32:110
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3780 5032 UUNET Technologies, Inc.
6478 1085 1094 AT&T Worldnet Services
11492 1033 1047 Cable One
18566 988 1006 Covad Communications
9583 946 1107 Sify Limited
23577 911 925 Korea Telecom (ATM-MPLS)
2119 855 953 Telenor Internet Access
2386 827 1131 AT&T Data Communications Serv
7018 810 1503 AT&T WorldNet Services
6197 794 1033 BellSouth Network Solutions,
7011 695 792 Citizens Utilities
9498 642 978 BHARTI BT INTERNET LTD.
4755 609 1213 Videsh Sanchar Nigam Ltd. Aut
4766 590 783 Korea Telecom (KIX)
8151 583 1206 UniNet S.A. de C.V.
19916 563 568 OLM LLC
705 550 841 UUNET Technologies, Inc.
7046 540 789 UUNET Technologies, Inc.
4323 523 1263 Time Warner Telecom
15270 498 531 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:80 9:3 10:1 12:1813
13:1 15:19 16:3 17:3 18:8 20:37
24:945 25:1 32:145 38:312 40:60 41:128
43:6 44:2 47:5 52:4 55:2 56:3
57:53 58:396 59:342 60:278 61:952 62:1025
63:3390 64:3198 65:3718 66:3387 67:818 68:635
69:1840 70:505 71:105 72:1326 73:1 74:446
75:260 76:52 77:183 80:859 81:811 82:730
83:404 84:423 85:829 86:360 87:469 88:271
89:890 90:6 91:291 97:6 116:68 121:189
122:526 123:98 124:796 125:930 128:281 129:220
130:124 131:361 132:52 133:11 134:193 135:39
136:183 137:82 138:135 139:119 140:481 141:170
142:394 143:234 144:291 145:43 146:318 147:120
148:385 149:147 150:113 151:159 152:94 153:120
154:5 155:253 156:152 157:189 158:159 159:157
160:105 161:93 162:235 163:176 164:460 165:407
166:234 167:281 168:496 169:118 170:393 171:15
172:1 189:427 190:585 192:5810 193:3826 194:3137
195:2286 196:1002 198:3855 199:3371 200:4693 201:964
202:7351 203:7536 204:4090 205:2199 206:2566 207:3128
208:3333 209:3720 210:2479 211:988 212:1342 213:1559
214:403 215:37 216:4182 217:1150 218:374 219:363
220:956 221:410 222:264
End of report
