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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 01 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 209536
Prefixes after maximum aggregation: 109239
Unique aggregates announced to Internet: 95420
Total ASes present in the Internet Routing Table: 23087
Origin-only ASes present in the Internet Routing Table: 20050
Origin ASes announcing only one prefix: 9604
Transit ASes present in the Internet Routing Table: 3037
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 30
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 23
Unregistered ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1578614973
Equivalent to 94 /8s, 23 /16s and 192 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 60.4
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 108099
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44366
Total APNIC prefixes after maximum aggregation: 17506
Prefixes being announced from the APNIC address blocks: 41911
Unique aggregates announced from the APNIC address blocks: 18280
APNIC Region origin ASes present in the Internet Routing Table: 2691
APNIC Region origin ASes announcing only one prefix: 755
APNIC Region transit ASes present in the Internet Routing Table: 408
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 261991296
Equivalent to 15 /8s, 157 /16s and 171 /24s
Percentage of available APNIC address space announced: 81.9
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: 109618
Total ARIN prefixes after maximum aggregation: 60373
Prefixes being announced from the ARIN address blocks: 81828
Unique aggregates announced from the ARIN address blocks: 27529
ARIN Region origin ASes present in the Internet Routing Table: 10982
ARIN Region origin ASes announcing only one prefix: 4144
ARIN Region transit ASes present in the Internet Routing Table: 1045
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 296193121
Equivalent to 17 /8s, 167 /16s and 140 /24s
Percentage of available ARIN address space announced: 76.8
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, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 40786
Total RIPE prefixes after maximum aggregation: 26625
Prefixes being announced from the RIPE address blocks: 37945
Unique aggregates announced from the RIPE address blocks: 24579
RIPE Region origin ASes present in the Internet Routing Table: 8466
RIPE Region origin ASes announcing only one prefix: 4418
RIPE Region transit ASes present in the Internet Routing Table: 1394
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 262419552
Equivalent to 15 /8s, 164 /16s and 52 /24s
Percentage of available RIPE address space announced: 71.1
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
40960-41983
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: 12371
Total LACNIC prefixes after maximum aggregation: 3790
Prefixes being announced from the LACNIC address blocks: 10372
Unique aggregates announced from the LACNIC address blocks: 5996
LACNIC Region origin ASes present in the Internet Routing Table: 722
LACNIC Region origin ASes announcing only one prefix: 242
LACNIC Region transit ASes present in the Internet Routing Table: 134
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32355328
Equivalent to 1 /8s, 237 /16s and 180 /24s
Percentage of available LACNIC address space announced: 48.2
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: 2373
Total AfriNIC prefixes after maximum aggregation: 945
Prefixes being announced from the AfriNIC address blocks: 1666
Unique aggregates announced from the AfriNIC address blocks: 1003
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 4221696
Equivalent to 0 /8s, 64 /16s and 107 /24s
Percentage of available AfriNIC address space announced: 12.6
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 1303 8110 239 CHINANET-BACKBONE
4755 974 255 65 Videsh Sanchar Nigam Ltd. Aut
9583 952 109 15 Sify Limited
9498 803 211 71 BHARTI BT INTERNET LTD.
4766 758 4436 310 Korea Telecom (KIX)
1221 654 1780 482 Telstra Pty Ltd
7545 539 124 74 TPG Internet Pty Ltd
17488 529 33 11 Hathway IP Over Cable Interne
4538 511 2717 32 China Education and Research
17676 497 10933 62 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 447 85 18 Reliance Infocom Ltd Internet
17849 427 31 124 Telecommunications Technology
4802 409 84 149 Wantree Development
4812 395 732 60 China Telecom (Shanghai)
17974 373 129 12 PT TELEKOMUNIKASI INDONESIA
7474 358 211 230 SingTel Optus Pty Ltd
17557 356 29 167 Pakistan Telecom
2907 345 1782 318 SINET Japan
10139 329 23 6 Meridian Telekoms
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 551 1945 433 UUNET - Commercial IP service
3215 397 1760 98 France Telecom Transpac
3301 315 1186 300 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 286 471 269 COLT Telecommunications
24863 256 42 11 LINKdotNET AS number
1257 249 744 168 SWIPnet Swedish IP Network
680 248 2041 244 DFN-IP service G-WiN
6746 244 90 223 Dynamic Network Technologies,
5089 236 1657 47 NTL Group Limited
3246 231 462 221 Song Networks
8708 216 278 203 Romania Data Systems S.A.
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 202 18 83 SC Kappa Invexim SRL
6830 195 879 43 UPC Distribution Services
8866 183 37 15 Bulgarian Telecommunication C
5416 181 12 7 BATELCO-BH
3300 177 171 98 AUCS Communications Services
786 171 1779 171 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4986 6780 783 UUNET Technologies, Inc.
4323 3209 775 288 Time Warner Telecom
7018 1480 6234 952 AT&T WorldNet Services
705 1473 555 644 UUNET Technologies, Inc.
6197 1028 639 478 BellSouth Network Solutions,
721 985 21910 307 DLA Systems Automation Center
2386 958 560 726 AT&T Data Communications Serv
18566 958 272 8 Covad Communications
174 948 5690 875 Cogent Communications
1239 839 2773 597 Sprint
7046 822 250 680 UUNET Technologies, Inc.
20115 740 661 387 Charter Communications
19262 734 2228 185 Verizon Global Networks
11492 731 90 14 Cable One
22773 698 1744 46 Cox Communications, Inc.
2686 684 4321 99 IBM
209 682 3625 538 Qwest
7011 668 207 422 Citizens Utilities
852 600 1052 382 Telus Advanced Communications
19916 563 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3209 2921 Time Warner Telecom
4134 1303 1064 CHINANET-BACKBONE
18566 958 950 Covad Communications
9583 952 937 Sify Limited
4755 974 909 Videsh Sanchar Nigam Ltd. Aut
705 1473 829 UUNET Technologies, Inc.
9498 803 732 BHARTI BT INTERNET LTD.
11492 731 717 Cable One
721 985 678 DLA Systems Automation Center
22773 698 652 Cox Communications, Inc.
2686 684 585 IBM
6197 1028 550 BellSouth Network Solutions,
19262 734 549 Verizon Global Networks
8151 749 532 UniNet S.A. de C.V.
7018 1480 528 AT&T WorldNet Services
5668 536 518 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
19916 563 509 OLM LLC
855 557 489 Canadian Research Network
4538 511 479 China Education and Research
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65005 PRIVATE 89.187.0.0/23 39810 WiMAX Ukraine Autono
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
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
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
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
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
65013 PRIVATE 213.235.33.0/27 8190 VIATEL
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
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
0.0.0.0/8 3303 Swisscom Ltd
169.254.0.0/16 8895 KACST/ISU Riyadh Autonomous S
172.16.2.32/27 6325 Illinois Century Network
172.16.2.80/28 6325 Illinois Century Network
172.31.31.0/30 6325 Illinois Century Network
192.0.2.0/24 8895 KACST/ISU Riyadh Autonomous S
192.168.83.0/24 292 Energy Sciences Network
198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
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
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
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.249.0.0/20 3450 University of Tennessee, Knox
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 /10:13 /11:31 /12:103
/13:217 /14:379 /15:747 /16:9001 /17:3505 /18:5726
/19:12368 /20:14062 /21:12531 /22:16023 /23:17326 /24:115097
/25:514 /26:492 /27:303 /28:227 /29:201 /30:526
/31:0 /32:116
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3716 4986 UUNET Technologies, Inc.
4323 1908 3209 Time Warner Telecom
18566 941 958 Covad Communications
705 920 1473 UUNET Technologies, Inc.
6197 807 1028 BellSouth Network Solutions,
9583 783 952 Sify Limited
7018 778 1480 AT&T WorldNet Services
11492 719 731 Cable One
2386 677 958 AT&T Data Communications Serv
2686 639 684 IBM
7046 584 822 UUNET Technologies, Inc.
7011 573 668 Citizens Utilities
4766 569 758 Korea Telecom (KIX)
19916 557 563 OLM LLC
9498 481 803 BHARTI BT INTERNET LTD.
855 436 557 Canadian Research Network
15270 434 465 PaeTec.net -a division of Pae
5668 419 536 CenturyTel Internet Holdings,
17849 414 427 Telecommunications Technology
4755 408 974 Videsh Sanchar Nigam Ltd. Aut
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:48 11:1 12:1633 13:1
15:15 16:3 17:3 18:4 20:41 24:822
25:1 32:315 38:255 40:55 41:17 44:3
47:6 52:4 55:1 56:3 57:54 58:217
59:288 60:176 61:911 62:967 63:3377 64:3474
65:3612 66:3854 67:664 68:653 69:1618 70:389
71:91 72:888 74:76 75:6 80:783 81:695
82:670 83:398 84:408 85:697 86:383 87:442
88:172 89:429 121:19 122:6 123:1 124:367
125:621 128:154 129:208 130:118 131:314 132:38
133:8 134:162 135:48 136:177 137:84 138:224
139:151 140:519 141:135 142:390 143:187 144:240
145:41 146:326 147:140 148:352 149:181 150:113
151:119 152:78 153:117 154:6 155:218 156:172
157:179 158:165 159:175 160:93 161:88 162:218
163:166 164:294 165:228 166:183 167:238 168:598
169:128 170:360 171:14 190:202 192:5820 193:3412
194:2803 195:2228 196:929 198:4034 199:3381 200:4608
201:1042 202:6964 203:7169 204:4086 205:2164 206:2813
207:3614 208:3032 209:3773 210:2232 211:911 212:1363
213:1499 214:371 215:41 216:4389 217:1334 218:357
219:291 220:794 221:384 222:263
End of report
