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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 16 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 211129
Prefixes after maximum aggregation: 109834
Unique aggregates announced to Internet: 96038
Total ASes present in the Internet Routing Table: 23217
Origin-only ASes present in the Internet Routing Table: 20173
Origin ASes announcing only one prefix: 9682
Transit ASes present in the Internet Routing Table: 3044
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 30
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 24
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: 1588593405
Equivalent to 94 /8s, 176 /16s and 2 /24s
Percentage of available address space announced: 42.9
Percentage of allocated address space announced: 60.8
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 109132
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44788
Total APNIC prefixes after maximum aggregation: 17564
Prefixes being announced from the APNIC address blocks: 42302
Unique aggregates announced from the APNIC address blocks: 18288
APNIC Region origin ASes present in the Internet Routing Table: 2711
APNIC Region origin ASes announcing only one prefix: 757
APNIC Region transit ASes present in the Internet Routing Table: 422
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 262350464
Equivalent to 15 /8s, 163 /16s and 38 /24s
Percentage of available APNIC address space announced: 82.0
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: 110619
Total ARIN prefixes after maximum aggregation: 60732
Prefixes being announced from the ARIN address blocks: 82402
Unique aggregates announced from the ARIN address blocks: 27682
ARIN Region origin ASes present in the Internet Routing Table: 10991
ARIN Region origin ASes announcing only one prefix: 4151
ARIN Region transit ASes present in the Internet Routing Table: 1043
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 298319969
Equivalent to 17 /8s, 200 /16s and 0 /24s
Percentage of available ARIN address space announced: 77.3
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: 41186
Total RIPE prefixes after maximum aggregation: 26814
Prefixes being announced from the RIPE address blocks: 38333
Unique aggregates announced from the RIPE address blocks: 24891
RIPE Region origin ASes present in the Internet Routing Table: 8556
RIPE Region origin ASes announcing only one prefix: 4478
RIPE Region transit ASes present in the Internet Routing Table: 1393
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 265954208
Equivalent to 15 /8s, 218 /16s and 35 /24s
Percentage of available RIPE address space announced: 72.1
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: 12082
Total LACNIC prefixes after maximum aggregation: 3777
Prefixes being announced from the LACNIC address blocks: 10125
Unique aggregates announced from the LACNIC address blocks: 6104
LACNIC Region origin ASes present in the Internet Routing Table: 724
LACNIC Region origin ASes announcing only one prefix: 247
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 32574976
Equivalent to 1 /8s, 241 /16s and 14 /24s
Percentage of available LACNIC address space announced: 48.5
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: 2431
Total AfriNIC prefixes after maximum aggregation: 947
Prefixes being announced from the AfriNIC address blocks: 1686
Unique aggregates announced from the AfriNIC address blocks: 1016
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4247040
Equivalent to 0 /8s, 64 /16s and 206 /24s
Percentage of available AfriNIC address space announced: 12.7
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 1306 8102 240 CHINANET-BACKBONE
4755 985 255 65 Videsh Sanchar Nigam Ltd. Aut
9583 954 109 15 Sify Limited
9498 851 212 71 BHARTI BT INTERNET LTD.
4766 762 4436 310 Korea Telecom (KIX)
1221 647 1780 479 Telstra Pty Ltd
4538 599 2718 32 China Education and Research
7545 539 124 74 TPG Internet Pty Ltd
17488 530 33 12 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 453 85 18 Reliance Infocom Ltd Internet
17849 425 31 128 Telecommunications Technology
4802 410 84 149 Wantree Development
4812 397 741 60 China Telecom (Shanghai)
17974 373 129 12 PT TELEKOMUNIKASI INDONESIA
17557 353 28 168 Pakistan Telecom
7474 352 210 222 SingTel Optus Pty Ltd
2907 340 1734 313 SINET Japan
10139 327 23 6 Meridian Telekoms
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1944 428 UUNET - Commercial IP service
3215 393 1816 95 France Telecom Transpac
3301 316 1187 300 TeliaNet Sweden
3320 296 5013 241 Deutsche Telekom AG
8220 282 455 265 COLT Telecommunications
24863 267 42 13 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
1257 248 740 169 SWIPnet Swedish IP Network
6746 244 90 223 Dynamic Network Technologies,
5089 243 1657 51 NTL Group Limited
3246 228 469 217 Song Networks
9116 220 133 21 Goldenlines main autonomous s
8708 216 278 203 Romania Data Systems S.A.
3292 207 1137 115 TDC Tele Danmark
3269 204 2262 74 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 201 18 79 SC Kappa Invexim SRL
6830 199 879 43 UPC Distribution Services
8866 183 37 15 Bulgarian Telecommunication C
3300 181 172 100 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4968 6742 771 UUNET Technologies, Inc.
4323 3257 777 298 Time Warner Telecom
7018 1497 6283 964 AT&T WorldNet Services
705 1476 556 647 UUNET Technologies, Inc.
6197 1028 640 479 BellSouth Network Solutions,
2386 1024 569 774 AT&T Data Communications Serv
721 975 21701 301 DLA Systems Automation Center
174 969 6745 900 Cogent Communications
18566 961 272 8 Covad Communications
1239 844 2773 593 Sprint
7046 823 233 678 UUNET Technologies, Inc.
19262 739 2280 189 Verizon Global Networks
11492 737 90 12 Cable One
20115 737 660 383 Charter Communications
22773 702 1744 45 Cox Communications, Inc.
209 683 3629 539 Qwest
7011 666 207 420 Citizens Utilities
852 602 1069 385 Telus Advanced Communications
6478 577 1257 378 AT&T Worldnet Services
19916 565 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3257 2959 Time Warner Telecom
4134 1306 1066 CHINANET-BACKBONE
18566 961 953 Covad Communications
9583 954 939 Sify Limited
4755 985 920 Videsh Sanchar Nigam Ltd. Aut
705 1476 829 UUNET Technologies, Inc.
9498 851 780 BHARTI BT INTERNET LTD.
11492 737 725 Cable One
721 975 674 DLA Systems Automation Center
22773 702 657 Cox Communications, Inc.
4538 599 567 China Education and Research
19262 739 550 Verizon Global Networks
6197 1028 549 BellSouth Network Solutions,
7018 1497 533 AT&T WorldNet Services
5668 537 519 CenturyTel Internet Holdings,
17488 530 518 Hathway IP Over Cable Interne
19916 565 511 OLM LLC
855 544 476 Canadian Research Network
7545 539 465 TPG Internet Pty Ltd
2686 559 460 IBM
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
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
65014 PRIVATE 203.117.240.0/21 4657 Starhub Internet, Si
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
65017 PRIVATE 213.235.48.96/28 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 /12:106
/13:222 /14:385 /15:760 /16:9036 /17:3526 /18:5791
/19:12513 /20:14243 /21:12671 /22:16227 /23:17537 /24:115601
/25:521 /26:508 /27:296 /28:236 /29:228 /30:543
/31:0 /32:107
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3703 4968 UUNET Technologies, Inc.
4323 1940 3257 Time Warner Telecom
18566 944 961 Covad Communications
705 923 1476 UUNET Technologies, Inc.
6197 807 1028 BellSouth Network Solutions,
9583 783 954 Sify Limited
7018 780 1497 AT&T WorldNet Services
2386 743 1024 AT&T Data Communications Serv
11492 725 737 Cable One
7046 577 823 UUNET Technologies, Inc.
4766 572 762 Korea Telecom (KIX)
7011 571 666 Citizens Utilities
19916 559 565 OLM LLC
2686 514 559 IBM
9498 507 851 BHARTI BT INTERNET LTD.
15270 439 470 PaeTec.net -a division of Pae
855 424 544 Canadian Research Network
5668 420 537 CenturyTel Internet Holdings,
4755 419 985 Videsh Sanchar Nigam Ltd. Aut
17849 413 425 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:47 11:1 12:1651 13:1
15:16 16:3 17:3 18:4 20:41 24:827
25:1 32:268 38:253 40:55 41:15 44:3
47:6 52:4 55:1 56:3 57:53 58:242
59:292 60:183 61:915 62:980 63:3378 64:3492
65:3621 66:3897 67:675 68:655 69:1637 70:390
71:98 72:914 74:79 75:7 80:830 81:697
82:612 83:388 84:408 85:662 86:407 87:450
88:182 89:463 121:33 122:14 123:1 124:374
125:636 128:157 129:228 130:118 131:313 132:38
133:10 134:167 135:48 136:178 137:98 138:225
139:148 140:526 141:134 142:382 143:192 144:241
145:42 146:326 147:141 148:359 149:180 150:114
151:120 152:79 153:118 154:6 155:230 156:159
157:180 158:154 159:174 160:103 161:88 162:219
163:167 164:492 165:229 166:240 167:248 168:603
169:129 170:364 171:11 190:207 192:5837 193:3494
194:2800 195:2233 196:936 198:4032 199:3391 200:4415
201:925 202:7063 203:7193 204:4094 205:2219 206:2822
207:3571 208:3045 209:3803 210:2246 211:883 212:1399
213:1465 214:368 215:40 216:4358 217:1328 218:362
219:290 220:790 221:384 222:252
End of report
