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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 21 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 216918
Prefixes after maximum aggregation: 113850
Unique aggregates announced to Internet: 100001
Total ASes present in the Internet Routing Table: 24033
Origin-only ASes present in the Internet Routing Table: 20906
Origin ASes announcing only one prefix: 10053
Transit ASes present in the Internet Routing Table: 3127
Transit-only ASes present in the Internet Routing Table: 69
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 31
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 20
Unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1647341544
Equivalent to 98 /8s, 48 /16s and 111 /24s
Percentage of available address space announced: 44.4
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 113030
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47504
Total APNIC prefixes after maximum aggregation: 18824
Prefixes being announced from the APNIC address blocks: 44971
Unique aggregates announced from the APNIC address blocks: 19121
APNIC Region origin ASes present in the Internet Routing Table: 2813
APNIC Region origin ASes announcing only one prefix: 783
APNIC Region transit ASes present in the Internet Routing Table: 433
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 272187136
Equivalent to 16 /8s, 57 /16s and 63 /24s
Percentage of available APNIC address space announced: 85.1
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: 109387
Total ARIN prefixes after maximum aggregation: 61850
Prefixes being announced from the ARIN address blocks: 81525
Unique aggregates announced from the ARIN address blocks: 28603
ARIN Region origin ASes present in the Internet Routing Table: 11250
ARIN Region origin ASes announcing only one prefix: 4275
ARIN Region transit ASes present in the Internet Routing Table: 1046
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 310265312
Equivalent to 18 /8s, 126 /16s and 69 /24s
Percentage of available ARIN address space announced: 68.5
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: 43961
Total RIPE prefixes after maximum aggregation: 28247
Prefixes being announced from the RIPE address blocks: 40885
Unique aggregates announced from the RIPE address blocks: 26174
RIPE Region origin ASes present in the Internet Routing Table: 8980
RIPE Region origin ASes announcing only one prefix: 4698
RIPE Region transit ASes present in the Internet Routing Table: 1450
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 281780096
Equivalent to 16 /8s, 203 /16s and 159 /24s
Percentage of available RIPE address space announced: 76.3
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, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 13473
Total LACNIC prefixes after maximum aggregation: 3963
Prefixes being announced from the LACNIC address blocks: 11535
Unique aggregates announced from the LACNIC address blocks: 6689
LACNIC Region origin ASes present in the Internet Routing Table: 751
LACNIC Region origin ASes announcing only one prefix: 247
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 35486208
Equivalent to 2 /8s, 29 /16s and 122 /24s
Percentage of available LACNIC address space announced: 52.9
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: 2574
Total AfriNIC prefixes after maximum aggregation: 966
Prefixes being announced from the AfriNIC address blocks: 1831
Unique aggregates announced from the AfriNIC address blocks: 1043
AfriNIC Region origin ASes present in the Internet Routing Table: 170
AfriNIC Region origin ASes announcing only one prefix: 50
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5321472
Equivalent to 0 /8s, 81 /16s and 51 /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 1278 8579 254 CHINANET-BACKBONE
9583 1018 86 112 Sify Limited
4755 991 383 66 Videsh Sanchar Nigam Ltd. Aut
4538 952 2846 34 China Education and Research
9498 890 211 64 BHARTI BT INTERNET LTD.
23577 774 34 703 KRNIC
4766 751 4946 307 Korea Telecom (KIX)
1221 612 1698 455 Telstra Pty Ltd
17488 561 35 21 Hathway IP Over Cable Interne
7545 553 126 75 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 491 87 23 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 438 81 130 COMindico Australia
4812 437 758 69 China Telecom (Shanghai)
17849 411 36 126 Telecommunications Technology
4802 407 86 146 Wantree Development
7474 382 211 237 SingTel Optus Pty Ltd
17974 373 129 12 PT TELEKOMUNIKASI INDONESIA
17557 368 35 172 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1912 425 UUNET - Commercial IP service
3215 393 2104 96 France Telecom Transpac
24863 385 45 15 LINKdotNET AS number
3301 310 1199 292 TeliaNet Sweden
3320 297 4993 245 Deutsche Telekom AG
8220 279 474 268 COLT Telecommunications
6746 263 93 241 Dynamic Network Technologies,
680 252 2041 248 DFN-IP service G-WiN
1257 248 1069 173 SWIPnet Swedish IP Network
5089 244 1657 52 NTL Group Limited
9116 235 134 23 Goldenlines main autonomous s
8708 231 282 218 Romania Data Systems S.A.
3269 210 2373 73 TELECOM ITALIA
3246 205 353 192 Song Networks
5416 205 13 9 BATELCO-BH
30890 205 18 90 SC Kappa Invexim SRL
8551 199 197 24 Bezeq International
3300 187 172 100 AUCS Communications Services
6830 180 695 38 UPC Distribution Services
3352 175 1767 31 Ibernet, Internet Access Netw
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4848 6691 761 UUNET Technologies, Inc.
7018 1537 10245 992 AT&T WorldNet Services
705 1426 555 625 UUNET Technologies, Inc.
2386 1113 587 736 AT&T Data Communications Serv
4323 1053 820 296 Time Warner Telecom
6197 1020 637 499 BellSouth Network Solutions,
18566 985 272 8 Covad Communications
174 965 6824 880 Cogent Communications
11492 856 98 13 Cable One
1239 836 2731 583 Sprint
7046 803 251 658 UUNET Technologies, Inc.
19262 789 2496 181 Verizon Global Networks
721 780 21885 292 DLA Systems Automation Center
20115 766 666 411 Charter Communications
209 712 3763 561 Qwest
22773 708 1744 40 Cox Communications, Inc.
7011 695 211 431 Citizens Utilities
852 617 1092 391 Telus Advanced Communications
577 572 743 210 Bell Advanced Communications
19916 567 48 57 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1278 1024 CHINANET-BACKBONE
18566 985 977 Covad Communications
4755 991 925 Videsh Sanchar Nigam Ltd. Aut
4538 952 918 China Education and Research
9583 1018 906 Sify Limited
11492 856 843 Cable One
9498 890 826 BHARTI BT INTERNET LTD.
705 1426 801 UUNET Technologies, Inc.
4323 1053 757 Time Warner Telecom
22773 708 668 Cox Communications, Inc.
19262 789 608 Verizon Global Networks
8151 778 574 UniNet S.A. de C.V.
7018 1537 545 AT&T WorldNet Services
17488 561 540 Hathway IP Over Cable Interne
5668 547 528 CenturyTel Internet Holdings,
6197 1020 521 BellSouth Network Solutions,
19916 567 510 OLM LLC
11830 506 497 Instituto Costarricense de El
721 780 488 DLA Systems Automation Center
7545 553 478 TPG Internet Pty Ltd
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
65010 PRIVATE 135.196.7.112/29 8190 VIATEL
65019 PRIVATE 135.196.106.208/28 8190 VIATEL
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
65016 PRIVATE 212.2.26.64/29 8190 VIATEL
65016 PRIVATE 212.2.31.184/30 8190 VIATEL
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
65018 PRIVATE 213.235.24.216/29 8190 VIATEL
65010 PRIVATE 213.235.29.224/29 8190 VIATEL
65013 PRIVATE 213.235.33.0/27 8190 VIATEL
65017 PRIVATE 213.235.48.96/28 8190 VIATEL
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
0.0.0.0/0 286 KPNQwest Backbone AS
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)
-------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:10 /10:13 /11:30 /12:115
/13:240 /14:407 /15:802 /16:9131 /17:3685 /18:5984
/19:13022 /20:14757 /21:13406 /22:17119 /23:18577 /24:116962
/25:731 /26:533 /27:450 /28:198 /29:156 /30:476
/31:0 /32:94
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3608 4848 UUNET Technologies, Inc.
18566 968 985 Covad Communications
705 889 1426 UUNET Technologies, Inc.
9583 850 1018 Sify Limited
11492 842 856 Cable One
2386 830 1113 AT&T Data Communications Serv
7018 828 1537 AT&T WorldNet Services
6197 796 1020 BellSouth Network Solutions,
23577 760 774 KRNIC
7011 600 695 Citizens Utilities
19916 562 567 OLM LLC
4766 560 751 Korea Telecom (KIX)
7046 559 803 UUNET Technologies, Inc.
9498 553 890 BHARTI BT INTERNET LTD.
4538 532 952 China Education and Research
15270 464 494 PaeTec.net -a division of Pae
855 435 537 Canadian Research Network
18101 425 491 Reliance Infocom Ltd Internet
5668 420 547 CenturyTel Internet Holdings,
4755 415 991 Videsh Sanchar Nigam Ltd. Aut
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:61 9:1 12:1671 13:1 15:15
16:3 17:3 18:5 20:34 24:850 25:1
32:176 38:273 40:57 41:32 44:2 47:10
52:4 53:1 55:1 56:3 57:53 58:283
59:365 60:211 61:987 62:1191 63:3351 64:3313
65:3631 66:3196 67:710 68:654 69:1715 70:406
71:114 72:1100 74:121 75:49 76:14 80:833
81:767 82:686 83:388 84:467 85:772 86:374
87:446 88:251 89:693 90:1 91:106 97:1
121:103 122:44 123:3 124:496 125:739 128:303
129:219 130:133 131:318 132:48 133:11 134:177
135:42 136:180 137:115 138:189 139:104 140:528
141:134 142:368 143:213 144:260 145:67 146:323
147:144 148:369 149:174 150:111 151:118 152:89
153:118 154:6 155:247 156:149 157:152 158:166
159:140 160:99 161:91 162:224 163:160 164:282
165:236 166:243 167:282 168:484 169:123 170:386
171:12 172:1 189:29 190:301 192:5822 193:3658
194:2943 195:2301 196:993 198:3919 199:3353 200:4606
201:944 202:7250 203:7280 204:4110 205:2203 206:2658
207:3153 208:3084 209:3716 210:2404 211:990 212:1381
213:1522 214:377 215:39 216:4264 217:1328 218:370
219:296 220:829 221:375 222:279
End of report
