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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 13 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 217837
Prefixes after maximum aggregation: 113992
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 99833
Total ASes present in the Internet Routing Table: 24170
Origin-only ASes present in the Internet Routing Table: 21028
Origin ASes announcing only one prefix: 10145
Transit ASes present in the Internet Routing Table: 3142
Transit-only ASes present in the Internet Routing Table: 66
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 31
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 20
Unregistered ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1654983560
Equivalent to 98 /8s, 165 /16s and 11 /24s
Percentage of available address space announced: 44.7
Percentage of allocated address space announced: 63.3
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 113617
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47936
Total APNIC prefixes after maximum aggregation: 18820
APNIC Deaggregation factor: 2.55
Prefixes being announced from the APNIC address blocks: 45404
Unique aggregates announced from the APNIC address blocks: 18389
APNIC Region origin ASes present in the Internet Routing Table: 2836
APNIC Region origin ASes announcing only one prefix: 784
APNIC Region transit ASes present in the Internet Routing Table: 435
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 275237120
Equivalent to 16 /8s, 103 /16s and 201 /24s
Percentage of available APNIC address space announced: 86.1
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, 121/8, 122/7, 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: 109498
Total ARIN prefixes after maximum aggregation: 61931
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 81717
Unique aggregates announced from the ARIN address blocks: 28752
ARIN Region origin ASes present in the Internet Routing Table: 11268
ARIN Region origin ASes announcing only one prefix: 4305
ARIN Region transit ASes present in the Internet Routing Table: 1050
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 312493536
Equivalent to 18 /8s, 160 /16s and 69 /24s
Percentage of available ARIN address space announced: 69.0
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: 44099
Total RIPE prefixes after maximum aggregation: 28307
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41040
Unique aggregates announced from the RIPE address blocks: 26368
RIPE Region origin ASes present in the Internet Routing Table: 9069
RIPE Region origin ASes announcing only one prefix: 4751
RIPE Region transit ASes present in the Internet Routing Table: 1457
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 284059936
Equivalent to 16 /8s, 238 /16s and 105 /24s
Percentage of available RIPE address space announced: 77.0
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: 13671
Total LACNIC prefixes after maximum aggregation: 3951
LACNIC Deaggregation factor: 3.46
Prefixes being announced from the LACNIC address blocks: 11752
Unique aggregates announced from the LACNIC address blocks: 6839
LACNIC Region origin ASes present in the Internet Routing Table: 757
LACNIC Region origin ASes announcing only one prefix: 252
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 36144640
Equivalent to 2 /8s, 39 /16s and 134 /24s
Percentage of available LACNIC address space announced: 53.9
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: 2614
Total AfriNIC prefixes after maximum aggregation: 983
AfriNIC Deaggregation factor: 2.66
Prefixes being announced from the AfriNIC address blocks: 1860
Unique aggregates announced from the AfriNIC address blocks: 1071
AfriNIC Region origin ASes present in the Internet Routing Table: 174
AfriNIC Region origin ASes announcing only one prefix: 53
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 5351168
Equivalent to 0 /8s, 81 /16s and 167 /24s
Percentage of available AfriNIC address space announced: 15.9
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 1265 8629 265 CHINANET-BACKBONE
4755 1079 383 66 Videsh Sanchar Nigam Ltd. Aut
9583 1034 99 66 Sify Limited
9498 919 467 65 BHARTI BT INTERNET LTD.
4538 865 2909 36 China Education and Research
23577 772 34 701 KRNIC
4766 761 4946 312 Korea Telecom (KIX)
1221 612 1698 455 Telstra Pty Ltd
17488 567 35 22 Hathway IP Over Cable Interne
7545 563 126 75 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 500 87 27 Reliance Infocom Ltd Internet
4788 451 340 26 Telekom Malaysia
9443 442 111 74 Primus Telecommunications
4812 437 759 69 China Telecom (Shanghai)
9942 437 85 131 COMindico Australia
7474 381 211 236 SingTel Optus Pty Ltd
17974 375 129 12 PT TELEKOMUNIKASI INDONESIA
4802 363 86 151 Wantree Development
17557 356 35 169 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 543 1912 422 UUNET - Commercial IP service
3215 388 2136 96 France Telecom Transpac
24863 386 45 15 LINKdotNET AS number
3301 305 1199 287 TeliaNet Sweden
3320 296 4993 247 Deutsche Telekom AG
8220 275 473 265 COLT Telecommunications
6746 265 93 243 Dynamic Network Technologies,
680 256 2042 250 DFN-IP service G-WiN
1257 251 1069 172 SWIPnet Swedish IP Network
5089 243 1657 52 NTL Group Limited
8708 234 283 221 Romania Data Systems S.A.
3269 211 2375 74 TELECOM ITALIA
30890 211 19 90 SC Kappa Invexim SRL
3246 207 353 194 Song Networks
5416 206 13 9 BATELCO-BH
8551 197 197 24 Bezeq International
3300 187 171 95 AUCS Communications Services
3352 176 1767 31 Ibernet, Internet Access Netw
5400 175 381 141 BT Ignite European Backbone
20858 175 34 3 This AS will be used to conne
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4836 6675 749 UUNET Technologies, Inc.
7018 1541 6153 995 AT&T WorldNet Services
705 1402 553 605 UUNET Technologies, Inc.
2386 1105 585 731 AT&T Data Communications Serv
4323 1059 821 295 Time Warner Telecom
6197 1022 639 500 BellSouth Network Solutions,
18566 984 272 8 Covad Communications
174 935 6789 866 Cogent Communications
11492 910 99 13 Cable One
1239 830 2731 577 Sprint
19262 804 2538 182 Verizon Global Networks
7046 797 267 656 UUNET Technologies, Inc.
20115 775 678 420 Charter Communications
721 746 21836 289 DLA Systems Automation Center
209 721 3748 567 Qwest
22773 715 1744 41 Cox Communications, Inc.
7011 704 210 440 Citizens Utilities
852 622 1093 394 Telus Advanced Communications
577 574 760 213 Bell Advanced Communications
5668 571 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1079 1013 Videsh Sanchar Nigam Ltd. Aut
4134 1265 1000 CHINANET-BACKBONE
18566 984 976 Covad Communications
9583 1034 968 Sify Limited
11492 910 897 Cable One
9498 919 854 BHARTI BT INTERNET LTD.
4538 865 829 China Education and Research
705 1402 797 UUNET Technologies, Inc.
4323 1059 764 Time Warner Telecom
22773 715 674 Cox Communications, Inc.
8151 839 639 UniNet S.A. de C.V.
19262 804 622 Verizon Global Networks
5668 571 552 CenturyTel Internet Holdings,
7018 1541 546 AT&T WorldNet Services
17488 567 545 Hathway IP Over Cable Interne
6197 1022 522 BellSouth Network Solutions,
19916 567 510 OLM LLC
11830 504 495 Instituto Costarricense de El
7545 563 488 TPG Internet Pty Ltd
18101 500 473 Reliance Infocom Ltd Internet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
64512 PRIVATE 144.16.192.0/24 9583 Sify Limited
65422 PRIVATE 193.227.230.8/29 35731 Network Technology S
65414 PRIVATE 193.227.230.24/30 35731 Network Technology S
65422 PRIVATE 193.227.230.56/30 35731 Network Technology S
65418 PRIVATE 193.227.230.64/28 35731 Network Technology S
65420 PRIVATE 193.227.230.83/32 35731 Network Technology S
65420 PRIVATE 193.227.230.87/32 35731 Network Technology S
65413 PRIVATE 193.227.230.103/32 35731 Network Technology S
65420 PRIVATE 193.227.230.168/30 35731 Network Technology S
65404 PRIVATE 203.2.172.0/24 9466 UUNET Japan Limited
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
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
172.19.57.0/24 3596 Universidad Autonoma Metropol
192.0.2.0/24 2854 RoSprint AS (Global One Russi
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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
192.172.0.0/19 721 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 /9:10 /10:13 /11:30 /12:118
/13:240 /14:412 /15:810 /16:9141 /17:3706 /18:6044
/19:13137 /20:14739 /21:13453 /22:17189 /23:18595 /24:117616
/25:705 /26:525 /27:448 /28:192 /29:151 /30:467
/31:0 /32:76
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3597 4836 UUNET Technologies, Inc.
18566 967 984 Covad Communications
11492 896 910 Cable One
705 863 1402 UUNET Technologies, Inc.
9583 863 1034 Sify Limited
7018 836 1541 AT&T WorldNet Services
2386 831 1105 AT&T Data Communications Serv
6197 795 1022 BellSouth Network Solutions,
23577 758 772 KRNIC
7011 609 704 Citizens Utilities
9498 578 919 BHARTI BT INTERNET LTD.
4766 569 761 Korea Telecom (KIX)
19916 562 567 OLM LLC
7046 551 797 UUNET Technologies, Inc.
4538 533 865 China Education and Research
4755 496 1079 Videsh Sanchar Nigam Ltd. Aut
15270 465 497 PaeTec.net -a division of Pae
5668 440 571 CenturyTel Internet Holdings,
18101 434 500 Reliance Infocom Ltd Internet
855 433 536 Canadian Research Network
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:63 9:1 12:1673 13:1 15:15
16:3 17:3 18:5 20:36 24:873 25:1
32:176 38:274 40:57 41:56 44:2 47:10
52:4 53:1 55:1 56:3 57:51 58:306
59:396 60:192 61:979 62:1180 63:3323 64:3298
65:3629 66:3180 67:714 68:645 69:1721 70:412
71:129 72:1129 74:129 75:58 76:20 80:827
81:792 82:673 83:355 84:495 85:784 86:436
87:453 88:259 89:736 90:2 91:128 97:1
121:125 122:55 123:24 124:522 125:773 128:315
129:219 130:126 131:316 132:49 133:11 134:183
135:44 136:181 137:115 138:189 139:106 140:521
141:135 142:369 143:212 144:266 145:67 146:322
147:141 148:365 149:190 150:112 151:117 152:91
153:119 154:6 155:245 156:156 157:154 158:167
159:140 160:98 161:97 162:226 163:159 164:246
165:236 166:243 167:280 168:482 169:121 170:365
171:13 172:2 189:65 190:348 192:5790 193:3637
194:2948 195:2316 196:986 198:3928 199:3363 200:4638
201:950 202:7296 203:7335 204:4094 205:2229 206:2660
207:3138 208:3080 209:3697 210:2618 211:977 212:1362
213:1466 214:385 215:39 216:4244 217:1355 218:373
219:292 220:843 221:379 222:270
End of report
