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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 05 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 203003
Prefixes after maximum aggregation: 106385
Unique aggregates announced to Internet: 93015
Total ASes present in the Internet Routing Table: 22433
Origin-only ASes present in the Internet Routing Table: 19436
Origin ASes announcing only one prefix: 9298
Transit ASes present in the Internet Routing Table: 2997
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 21
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 28
Unregistered ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 60
Number of addresses announced to Internet: 2024869558
Equivalent to 120 /8s, 177 /16s and 14 /24s
Percentage of available address space announced: 54.6
Percentage of allocated address space announced: 79.0
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 104224
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41307
Total APNIC prefixes after maximum aggregation: 16936
Prefixes being announced from the APNIC address blocks: 38940
Unique aggregates announced from the APNIC address blocks: 18444
APNIC Region origin ASes present in the Internet Routing Table: 2591
APNIC Region origin ASes announcing only one prefix: 738
APNIC Region transit ASes present in the Internet Routing Table: 409
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 290038948
Equivalent to 17 /8s, 73 /16s and 164 /24s
Percentage of available APNIC address space announced: 90.7
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: 108431
Total ARIN prefixes after maximum aggregation: 59278
Prefixes being announced from the ARIN address blocks: 80716
Unique aggregates announced from the ARIN address blocks: 26586
ARIN Region origin ASes present in the Internet Routing Table: 10766
ARIN Region origin ASes announcing only one prefix: 4037
ARIN Region transit ASes present in the Internet Routing Table: 1023
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 293005345
Equivalent to 17 /8s, 118 /16s and 232 /24s
Percentage of available ARIN address space announced: 75.9
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: 39551
Total RIPE prefixes after maximum aggregation: 25577
Prefixes being announced from the RIPE address blocks: 36761
Unique aggregates announced from the RIPE address blocks: 23598
RIPE Region origin ASes present in the Internet Routing Table: 8148
RIPE Region origin ASes announcing only one prefix: 4244
RIPE Region transit ASes present in the Internet Routing Table: 1363
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 252239744
Equivalent to 15 /8s, 8 /16s and 223 /24s
Percentage of available RIPE address space announced: 79.1
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, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11472
Total LACNIC prefixes after maximum aggregation: 3686
Prefixes being announced from the LACNIC address blocks: 9566
Unique aggregates announced from the LACNIC address blocks: 5536
LACNIC Region origin ASes present in the Internet Routing Table: 696
LACNIC Region origin ASes announcing only one prefix: 232
LACNIC Region transit ASes present in the Internet Routing Table: 138
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 27227136
Equivalent to 1 /8s, 159 /16s and 116 /24s
Percentage of available LACNIC address space announced: 40.6
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: 2215
Total AfriNIC prefixes after maximum aggregation: 908
Prefixes being announced from the AfriNIC address blocks: 1533
Unique aggregates announced from the AfriNIC address blocks: 959
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 4127232
Equivalent to 0 /8s, 62 /16s and 250 /24s
Percentage of available AfriNIC address space announced: 12.3
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 1205 7140 222 CHINANET-BACKBONE
4755 904 257 69 Videsh Sanchar Nigam Ltd. Aut
9583 898 109 16 Sify Limited
4766 714 4436 310 Korea Telecom (KIX)
1221 649 1668 481 Telstra Pty Ltd
9498 569 211 66 BHARTI BT INTERNET LTD.
7545 535 124 71 TPG Internet Pty Ltd
17488 514 32 9 Hathway IP Over Cable Interne
17676 486 7029 110 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
18101 414 85 24 Reliance Infocom Ltd Internet
17557 394 30 179 Pakistan Telecom
4802 379 80 174 Wantree Development
9929 372 220 61 China Netcom Corp.
7474 362 211 229 SingTel Optus Pty Ltd
4780 361 225 27 Digital United Inc.
17849 360 22 115 Telecommunications Technology
17974 349 119 15 PT TELEKOMUNIKASI INDONESIA
2907 339 1733 314 SINET Japan
4804 304 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 686 1935 448 UUNET - Commercial IP service
3215 410 1680 93 France Telecom Transpac
1103 356 1990 80 SURFnet, The Netherlands
3352 309 1644 30 Ibernet, Internet Access Netw
3301 305 1327 292 TeliaNet Sweden
8220 285 472 269 COLT Telecommunications
3320 284 3988 238 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
6746 240 90 214 Dynamic Network Technologies,
3246 236 504 226 Song Networks
5089 236 1659 45 NTL Group Limited
8708 217 275 202 Romania Data Systems S.A.
1257 216 740 165 SWIPnet Swedish IP Network
24863 213 42 10 LINKdotNET AS number
8551 200 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
30890 189 17 70 SC Kappa Invexim SRL
8866 180 37 15 Bulgarian Telecommunication C
5400 176 348 142 BT Ignite European Backbone
6830 173 781 36 UPC Distribution Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5036 6764 775 UUNET Technologies, Inc.
4323 3123 740 261 Time Warner Telecom
705 1619 586 709 UUNET Technologies, Inc.
7018 1474 6174 943 AT&T WorldNet Services
721 1016 21993 311 DLA Systems Automation Center
6197 1009 625 477 BellSouth Network Solutions,
174 968 5787 903 Cogent Communications
19029 951 151 110 New Edge Networks
18566 942 272 8 Covad Communications
2386 893 557 689 AT&T Data Communications Serv
1239 846 2789 600 Sprint
7046 845 257 701 UUNET Technologies, Inc.
19262 708 2099 185 Verizon Global Networks
20115 707 613 383 Charter Communications
209 705 3687 549 Qwest
22773 661 1741 40 Cox Communications, Inc.
7011 637 218 415 Citizens Utilities
11492 631 87 21 Cable One
6461 607 227 84 AboveNet Communications, Inc.
852 593 1084 381 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3123 2862 Time Warner Telecom
4134 1205 983 CHINANET-BACKBONE
18566 942 934 Covad Communications
705 1619 910 UUNET Technologies, Inc.
9583 898 882 Sify Limited
19029 951 841 New Edge Networks
4755 904 835 Videsh Sanchar Nigam Ltd. Aut
721 1016 705 DLA Systems Automation Center
22773 661 621 Cox Communications, Inc.
11492 631 610 Cable One
6197 1009 532 BellSouth Network Solutions,
7018 1474 531 AT&T WorldNet Services
19262 708 523 Verizon Global Networks
6461 607 523 AboveNet Communications, Inc.
19916 563 509 OLM LLC
5668 530 507 CenturyTel Internet Holdings,
17488 514 505 Hathway IP Over Cable Interne
9498 569 503 BHARTI BT INTERNET LTD.
855 552 488 Canadian Research Network
8151 704 481 UniNet S.A. de C.V.
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
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65516 PRIVATE 84.222.96.0/22 3257 Tiscali Intl Network
64704 PRIVATE 86.70.139.0/24 34383 TELOISE
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65011 PRIVATE 135.196.25.176/28 8190 VIATEL
65022 PRIVATE 194.252.152.0/24 12582 Sonera Solutions Dif
65022 PRIVATE 195.156.205.0/24 12582 Sonera Solutions Dif
65022 PRIVATE 195.165.56.0/24 12582 Sonera Solutions Dif
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
64515 PRIVATE 203.126.13.0/25 7610 SINGAPORE ADVANCE RE
64515 PRIVATE 203.126.13.128/26 7610 SINGAPORE ADVANCE RE
65010 PRIVATE 212.2.12.160/28 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 213.154.248.0/28 12859 Business Internet Tr
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
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
192.168.83.0/24 292 Energy Sciences 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
192.172.0.0/19 721 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 /12:92
/13:206 /14:360 /15:708 /16:8875 /17:3305 /18:5497
/19:11990 /20:13562 /21:11906 /22:15387 /23:16649 /24:112297
/25:442 /26:346 /27:271 /28:209 /29:230 /30:448
/31:0 /32:100
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3771 5036 UUNET Technologies, Inc.
4323 1859 3123 Time Warner Telecom
705 1052 1619 UUNET Technologies, Inc.
18566 925 942 Covad Communications
19029 882 951 New Edge Networks
6197 794 1009 BellSouth Network Solutions,
7018 780 1474 AT&T WorldNet Services
9583 728 898 Sify Limited
11492 622 631 Cable One
2386 615 893 AT&T Data Communications Serv
7046 600 845 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 546 637 Citizens Utilities
6461 534 607 AboveNet Communications, Inc.
2686 525 570 IBM
4766 524 714 Korea Telecom (KIX)
702 471 686 UUNET - Commercial IP service
855 426 552 Canadian Research Network
5668 413 530 CenturyTel Internet Holdings,
15270 402 433 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:42 11:1 12:1636 13:1
15:14 16:3 17:3 18:4 20:43 24:743
25:1 30:2 32:278 38:229 40:54 41:3
44:3 47:6 52:4 55:1 56:3 57:46
58:181 59:211 60:189 61:869 62:887 63:3471
64:3531 65:3674 66:3668 67:652 68:675 69:1547
70:372 71:80 72:750 74:39 80:792 81:664
82:650 83:405 84:397 85:556 86:386 87:361
88:90 89:240 124:294 125:471 128:170 129:190
130:116 131:317 132:34 133:9 134:159 135:48
136:176 137:79 138:205 139:158 140:471 141:128
142:407 143:165 144:225 145:51 146:327 147:141
148:318 149:191 150:114 151:94 152:72 153:107
154:6 155:202 156:99 157:153 158:167 159:173
160:89 161:79 162:245 163:147 164:222 165:202
166:166 167:245 168:608 169:128 170:339 171:14
183:1 190:75 192:5955 193:3384 194:2816 195:2091
196:875 198:4042 199:3293 200:4465 201:981 202:6684
203:7090 204:4076 205:2175 206:2785 207:3536 208:2962
209:4182 210:2069 211:723 212:1406 213:1574 214:365
215:40 216:4519 217:1379 218:302 219:233 220:716
221:356 222:159
End of report
