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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 15:00 -8 PST Thu 11 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 200139
Prefixes after maximum aggregation: 105486
Unique aggregates announced to Internet: 92043
Total ASes present in the Internet Routing Table: 22184
Origin-only ASes present in the Internet Routing Table: 19300
Origin ASes announcing only one prefix: 9184
Transit ASes present in the Internet Routing Table: 2884
Transit-only ASes present in the Internet Routing Table: 66
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 21
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 23
Unregistered ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 61
Number of addresses announced to Internet: 2016188797
Equivalent to 120 /8s, 44 /16s and 153 /24s
Percentage of available address space announced: 54.4
Percentage of allocated address space announced: 78.7
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 102147
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 39721
Total APNIC prefixes after maximum aggregation: 16478
Prefixes being announced from the APNIC address blocks: 37366
Unique aggregates announced from the APNIC address blocks: 18080
APNIC Region origin ASes present in the Internet Routing Table: 2542
APNIC Region origin ASes announcing only one prefix: 722
APNIC Region transit ASes present in the Internet Routing Table: 391
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 284833012
Equivalent to 16 /8s, 250 /16s and 52 /24s
Percentage of available APNIC address space announced: 89.1
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: 108103
Total ARIN prefixes after maximum aggregation: 59194
Prefixes being announced from the ARIN address blocks: 80468
Unique aggregates announced from the ARIN address blocks: 26426
ARIN Region origin ASes present in the Internet Routing Table: 10721
ARIN Region origin ASes announcing only one prefix: 4016
ARIN Region transit ASes present in the Internet Routing Table: 970
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 292619297
Equivalent to 17 /8s, 113 /16s and 4 /24s
Percentage of available ARIN address space announced: 75.8
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
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: 38884
Total RIPE prefixes after maximum aggregation: 25327
Prefixes being announced from the RIPE address blocks: 36305
Unique aggregates announced from the RIPE address blocks: 23293
RIPE Region origin ASes present in the Internet Routing Table: 8015
RIPE Region origin ASes announcing only one prefix: 4174
RIPE Region transit ASes present in the Internet Routing Table: 1333
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 249158400
Equivalent to 14 /8s, 217 /16s and 219 /24s
Percentage of available RIPE address space announced: 78.2
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
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11244
Total LACNIC prefixes after maximum aggregation: 3584
Prefixes being announced from the LACNIC address blocks: 9388
Unique aggregates announced from the LACNIC address blocks: 5456
LACNIC Region origin ASes present in the Internet Routing Table: 683
LACNIC Region origin ASes announcing only one prefix: 223
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 26912256
Equivalent to 1 /8s, 154 /16s and 166 /24s
Percentage of available LACNIC address space announced: 40.1
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: 2166
Total AfriNIC prefixes after maximum aggregation: 903
Prefixes being announced from the AfriNIC address blocks: 1494
Unique aggregates announced from the AfriNIC address blocks: 951
AfriNIC Region origin ASes present in the Internet Routing Table: 157
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4069376
Equivalent to 0 /8s, 62 /16s and 24 /24s
Percentage of available AfriNIC address space announced: 12.1
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
9583 900 109 16 Sify Limited
4755 882 259 70 Videsh Sanchar Nigam Ltd. Aut
4134 863 6232 181 CHINANET-BACKBONE
4538 724 2686 31 China Education and Research
4766 706 4436 310 Korea Telecom (KIX)
1221 657 1556 483 Telstra Pty Ltd
9498 568 211 67 BHARTI BT INTERNET LTD.
7545 532 124 71 TPG Internet Pty Ltd
17488 500 31 13 Hathway IP Over Cable Interne
17676 487 7029 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4802 387 81 176 Wantree Development
9929 372 220 62 China Netcom Corp.
4780 366 226 28 Digital United Inc.
7474 363 211 230 SingTel Optus Pty Ltd
17849 347 22 114 Telecommunications Technology
18101 344 85 23 Reliance Infocom Ltd Internet
2907 339 1749 313 SINET Japan
17557 328 27 159 Pakistan Telecom
17974 316 121 30 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 707 1952 457 UUNET - Commercial IP service
3215 421 1664 94 France Telecom Transpac
3301 307 1071 293 TeliaNet Sweden
3352 307 1612 29 Ibernet, Internet Access Netw
8220 296 474 269 COLT Telecommunications
3320 284 3988 238 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
5089 239 1659 45 NTL Group Limited
3246 236 504 226 Song Networks
6746 230 89 206 Dynamic Network Technologies,
1257 226 742 169 SWIPnet Swedish IP Network
8708 218 276 201 Romania Data Systems S.A.
24863 210 40 10 LINKdotNET AS number
8551 202 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
9121 182 932 28 TTnet Autonomous System
8866 180 37 16 Bulgarian Telecommunication C
5400 175 363 141 BT Ignite European Backbone
6830 175 765 35 UPC Distribution Services
30890 173 15 66 SC Kappa Invexim SRL
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5077 8027 773 UUNET Technologies, Inc.
4323 3098 734 258 Time Warner Telecom
705 1646 650 725 UUNET Technologies, Inc.
7018 1519 6252 971 AT&T WorldNet Services
6197 1007 618 472 BellSouth Network Solutions,
721 993 21945 305 DLA Systems Automation Center
174 956 5786 900 Cogent Communications
19029 952 151 110 New Edge Networks
18566 939 272 8 Covad Communications
2386 880 537 669 AT&T Data Communications Serv
1239 855 2813 606 Sprint
7046 849 257 704 UUNET Technologies, Inc.
209 711 3595 556 Qwest
19262 699 2116 169 Verizon Global Networks
20115 690 602 377 Charter Communications
22773 656 1745 42 Cox Communications, Inc.
7011 634 218 412 Citizens Utilities
11492 632 86 23 Cable One
6461 621 229 86 AboveNet Communications, Inc.
852 596 1085 384 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3098 2840 Time Warner Telecom
18566 939 931 Covad Communications
705 1646 921 UUNET Technologies, Inc.
9583 900 884 Sify Limited
19029 952 842 New Edge Networks
4755 882 812 Videsh Sanchar Nigam Ltd. Aut
4538 724 693 China Education and Research
721 993 688 DLA Systems Automation Center
4134 863 682 CHINANET-BACKBONE
22773 656 614 Cox Communications, Inc.
11492 632 609 Cable One
7018 1519 548 AT&T WorldNet Services
6197 1007 535 BellSouth Network Solutions,
6461 621 535 AboveNet Communications, Inc.
19262 699 530 Verizon Global Networks
19916 563 509 OLM LLC
5668 531 508 CenturyTel Internet Holdings,
9498 568 501 BHARTI BT INTERNET LTD.
8151 709 487 UniNet S.A. de C.V.
855 551 487 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
65241 PRIVATE 65.90.71.0/24 10794 Bank of America
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
64704 PRIVATE 86.70.139.0/24 34383 TELOISE
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet
65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
65512 PRIVATE 213.154.230.0/24 12859 Business Internet Tr
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/28 12859 Business Internet Tr
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
36366 UNALLOCATED 216.130.247.0/24 174 Cogent Communication
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
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
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
96.0.0.0/9 1660 ANS Communications
96.128.0.0/9 1660 ANS Communications
97.0.0.0/9 1660 ANS Communications
97.128.0.0/9 1660 ANS Communications
98.0.0.0/9 1660 ANS Communications
98.128.0.0/9 1660 ANS Communications
99.0.0.0/9 1660 ANS Communications
99.128.0.0/9 1660 ANS Communications
100.0.0.0/9 1660 ANS Communications
100.128.0.0/9 1660 ANS Communications
101.0.0.0/9 1660 ANS Communications
101.128.0.0/9 1660 ANS Communications
102.0.0.0/9 1660 ANS Communications
102.128.0.0/9 1660 ANS Communications
103.0.0.0/9 1660 ANS Communications
103.128.0.0/9 1660 ANS Communications
104.0.0.0/9 1660 ANS Communications
104.128.0.0/9 1660 ANS Communications
105.0.0.0/9 1660 ANS Communications
105.128.0.0/9 1660 ANS Communications
106.0.0.0/9 1660 ANS Communications
106.128.0.0/9 1660 ANS Communications
107.0.0.0/9 1660 ANS Communications
107.128.0.0/9 1660 ANS Communications
108.0.0.0/9 1660 ANS Communications
108.128.0.0/9 1660 ANS Communications
109.0.0.0/9 1660 ANS Communications
109.128.0.0/9 1660 ANS Communications
110.0.0.0/9 1660 ANS Communications
110.128.0.0/9 1660 ANS Communications
111.0.0.0/9 1660 ANS Communications
111.128.0.0/9 1660 ANS Communications
112.0.0.0/9 1660 ANS Communications
112.128.0.0/9 1660 ANS Communications
113.0.0.0/9 1660 ANS Communications
113.128.0.0/9 1660 ANS Communications
114.0.0.0/9 1660 ANS Communications
114.128.0.0/9 1660 ANS Communications
115.0.0.0/9 1660 ANS Communications
115.128.0.0/9 1660 ANS Communications
116.0.0.0/9 1660 ANS Communications
116.128.0.0/9 1660 ANS Communications
117.0.0.0/9 1660 ANS Communications
117.128.0.0/9 1660 ANS Communications
118.0.0.0/9 1660 ANS Communications
118.128.0.0/9 1660 ANS Communications
119.0.0.0/9 1660 ANS Communications
119.128.0.0/9 1660 ANS Communications
120.0.0.0/9 1660 ANS Communications
120.128.0.0/9 1660 ANS Communications
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
192.119.135.0/24 270 NASA
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 /9:67 /10:9 /11:28 /12:89
/13:207 /14:357 /15:703 /16:8806 /17:3210 /18:5368
/19:11771 /20:13476 /21:11636 /22:15014 /23:16360 /24:110910
/25:463 /26:316 /27:318 /28:216 /29:246 /30:450
/31:0 /32:100
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3801 5077 UUNET Technologies, Inc.
4323 1845 3098 Time Warner Telecom
705 1066 1646 UUNET Technologies, Inc.
18566 922 939 Covad Communications
19029 883 952 New Edge Networks
7018 798 1519 AT&T WorldNet Services
6197 796 1007 BellSouth Network Solutions,
9583 728 900 Sify Limited
11492 623 632 Cable One
2386 602 880 AT&T Data Communications Serv
7046 601 849 UUNET Technologies, Inc.
19916 557 563 OLM LLC
6461 546 621 AboveNet Communications, Inc.
7011 543 634 Citizens Utilities
2686 526 569 IBM
4766 516 706 Korea Telecom (KIX)
702 486 707 UUNET - Commercial IP service
855 424 551 Canadian Research Network
5668 413 531 CenturyTel Internet Holdings,
15270 393 424 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:3 8:41 12:1644 13:1 15:12
16:3 17:3 18:4 20:43 24:748 25:1
30:2 32:279 38:211 40:54 41:1 44:3
47:6 52:4 55:1 56:3 57:47 58:155
59:202 60:183 61:860 62:888 63:3474 64:3531
65:3689 66:3608 67:645 68:667 69:1505 70:332
71:84 72:698 73:26 74:35 80:785 81:642
82:665 83:398 84:395 85:555 86:394 87:328
88:84 89:188 124:274 125:381 128:167 129:185
130:109 131:320 132:34 133:8 134:159 135:46
136:178 137:75 138:197 139:158 140:467 141:136
142:399 143:162 144:227 145:39 146:326 147:141
148:332 149:190 150:113 151:82 152:71 153:107
154:6 155:198 156:98 157:147 158:160 159:169
160:87 161:72 162:262 163:147 164:224 165:193
166:163 167:246 168:606 169:129 170:335 171:14
183:1 190:73 192:5862 193:3386 194:2737 195:1993
196:867 198:4039 199:3308 200:4430 201:932 202:6712
203:6949 204:4083 205:2210 206:2763 207:3586 208:2891
209:4186 210:2006 211:680 212:1342 213:1575 214:362
215:41 216:4495 217:1397 218:267 219:166 220:639
221:349 222:113
End of report
