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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 17 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 204277
Prefixes after maximum aggregation: 106991
Unique aggregates announced to Internet: 93503
Total ASes present in the Internet Routing Table: 22542
Origin-only ASes present in the Internet Routing Table: 19568
Origin ASes announcing only one prefix: 9362
Transit ASes present in the Internet Routing Table: 2974
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 23
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 26
Unregistered ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 60
Number of addresses announced to Internet: 2015588327
Equivalent to 120 /8s, 35 /16s and 111 /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: 104828
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42205
Total APNIC prefixes after maximum aggregation: 17042
Prefixes being announced from the APNIC address blocks: 39817
Unique aggregates announced from the APNIC address blocks: 18480
APNIC Region origin ASes present in the Internet Routing Table: 2618
APNIC Region origin ASes announcing only one prefix: 743
APNIC Region transit ASes present in the Internet Routing Table: 407
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 294956452
Equivalent to 17 /8s, 148 /16s and 173 /24s
Percentage of available APNIC address space announced: 92.2
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: 108683
Total ARIN prefixes after maximum aggregation: 59543
Prefixes being announced from the ARIN address blocks: 80992
Unique aggregates announced from the ARIN address blocks: 26850
ARIN Region origin ASes present in the Internet Routing Table: 10786
ARIN Region origin ASes announcing only one prefix: 4057
ARIN Region transit ASes present in the Internet Routing Table: 1015
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 293889313
Equivalent to 17 /8s, 132 /16s and 101 /24s
Percentage of available ARIN address space announced: 76.2
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: 39562
Total RIPE prefixes after maximum aggregation: 25752
Prefixes being announced from the RIPE address blocks: 36947
Unique aggregates announced from the RIPE address blocks: 23772
RIPE Region origin ASes present in the Internet Routing Table: 8205
RIPE Region origin ASes announcing only one prefix: 4286
RIPE Region transit ASes present in the Internet Routing Table: 1362
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 254055313
Equivalent to 15 /8s, 36 /16s and 147 /24s
Percentage of available RIPE address space announced: 79.7
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: 11545
Total LACNIC prefixes after maximum aggregation: 3743
Prefixes being announced from the LACNIC address blocks: 9685
Unique aggregates announced from the LACNIC address blocks: 5503
LACNIC Region origin ASes present in the Internet Routing Table: 700
LACNIC Region origin ASes announcing only one prefix: 232
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 27423488
Equivalent to 1 /8s, 162 /16s and 115 /24s
Percentage of available LACNIC address space announced: 40.9
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: 2257
Total AfriNIC prefixes after maximum aggregation: 911
Prefixes being announced from the AfriNIC address blocks: 1546
Unique aggregates announced from the AfriNIC address blocks: 963
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 28
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 4127744
Equivalent to 0 /8s, 62 /16s and 252 /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 1248 7244 229 CHINANET-BACKBONE
4755 917 256 68 Videsh Sanchar Nigam Ltd. Aut
9583 902 109 16 Sify Limited
4766 715 4436 310 Korea Telecom (KIX)
9498 662 211 68 BHARTI BT INTERNET LTD.
1221 650 1668 482 Telstra Pty Ltd
7545 547 124 71 TPG Internet Pty Ltd
17488 519 32 10 Hathway IP Over Cable Interne
17676 488 7061 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4538 436 2717 31 China Education and Research
18101 414 85 24 Reliance Infocom Ltd Internet
17557 405 31 181 Pakistan Telecom
9929 386 254 64 China Netcom Corp.
17974 382 129 14 PT TELEKOMUNIKASI INDONESIA
4802 381 80 168 Wantree Development
4780 365 225 27 Digital United Inc.
7474 363 211 229 SingTel Optus Pty Ltd
2907 341 1750 315 SINET Japan
4804 305 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 687 1935 450 UUNET - Commercial IP service
3215 403 1680 93 France Telecom Transpac
3301 307 1343 294 TeliaNet Sweden
3352 306 1643 30 Ibernet, Internet Access Netw
3320 286 3988 240 Deutsche Telekom AG
8220 278 468 262 COLT Telecommunications
680 245 2025 242 DFN-IP service G-WiN
3246 238 505 228 Song Networks
5089 237 1691 46 NTL Group Limited
6746 237 90 212 Dynamic Network Technologies,
1257 220 741 165 SWIPnet Swedish IP Network
8708 216 275 202 Romania Data Systems S.A.
24863 216 42 11 LINKdotNET AS number
3269 201 2182 72 TELECOM ITALIA
8551 201 198 24 Bezeq International
30890 194 17 72 SC Kappa Invexim SRL
8866 183 37 15 Bulgarian Telecommunication C
5400 175 348 141 BT Ignite European Backbone
6830 173 781 36 UPC Distribution Services
786 171 1778 171 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5039 6768 773 UUNET Technologies, Inc.
4323 3143 743 263 Time Warner Telecom
705 1575 578 700 UUNET Technologies, Inc.
7018 1493 6284 962 AT&T WorldNet Services
721 1015 21998 314 DLA Systems Automation Center
6197 1012 629 474 BellSouth Network Solutions,
174 998 5771 897 Cogent Communications
19029 948 151 109 New Edge Networks
18566 943 272 8 Covad Communications
2386 913 560 705 AT&T Data Communications Serv
1239 844 2780 597 Sprint
7046 844 253 700 UUNET Technologies, Inc.
20115 714 617 382 Charter Communications
19262 711 2121 184 Verizon Global Networks
209 707 3687 550 Qwest
22773 661 1741 35 Cox Communications, Inc.
7011 639 218 415 Citizens Utilities
11492 632 87 23 Cable One
6461 606 227 84 AboveNet Communications, Inc.
852 597 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3143 2880 Time Warner Telecom
4134 1248 1019 CHINANET-BACKBONE
18566 943 935 Covad Communications
9583 902 886 Sify Limited
705 1575 875 UUNET Technologies, Inc.
4755 917 849 Videsh Sanchar Nigam Ltd. Aut
19029 948 839 New Edge Networks
721 1015 701 DLA Systems Automation Center
22773 661 626 Cox Communications, Inc.
11492 632 609 Cable One
9498 662 594 BHARTI BT INTERNET LTD.
6197 1012 538 BellSouth Network Solutions,
7018 1493 531 AT&T WorldNet Services
19262 711 527 Verizon Global Networks
6461 606 522 AboveNet Communications, Inc.
19916 563 509 OLM LLC
17488 519 509 Hathway IP Over Cable Interne
5668 529 506 CenturyTel Internet Holdings,
855 550 486 Canadian Research Network
8151 708 483 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
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
65000 PRIVATE 199.133.62.0/24 10886 University of Maryla
65000 PRIVATE 199.133.63.0/24 10886 University of Maryla
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
65500 PRIVATE 204.147.94.0/24 57 University of Minnes
65500 PRIVATE 205.215.222.0/24 57 University of Minnes
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 /8:18 /9:67 /10:10 /11:28 /12:93
/13:207 /14:360 /15:712 /16:8882 /17:3323 /18:5505
/19:12026 /20:13613 /21:12138 /22:15573 /23:16783 /24:112782
/25:478 /26:419 /27:282 /28:209 /29:219 /30:448
/31:0 /32:102
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3784 5039 UUNET Technologies, Inc.
4323 1867 3143 Time Warner Telecom
705 1012 1575 UUNET Technologies, Inc.
18566 926 943 Covad Communications
19029 879 948 New Edge Networks
6197 795 1012 BellSouth Network Solutions,
7018 786 1493 AT&T WorldNet Services
9583 733 902 Sify Limited
2386 631 913 AT&T Data Communications Serv
11492 623 632 Cable One
7046 599 844 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 548 639 Citizens Utilities
6461 533 606 AboveNet Communications, Inc.
4766 525 715 Korea Telecom (KIX)
2686 509 554 IBM
702 471 687 UUNET - Commercial IP service
855 424 550 Canadian Research Network
5668 412 529 CenturyTel Internet Holdings,
15270 404 435 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:42 12:1636 13:1 15:16
16:3 17:3 18:4 20:41 24:753 25:1
30:2 32:277 38:234 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:46 58:193
59:249 60:193 61:875 62:911 63:3422 64:3544
65:3615 66:3686 67:654 68:671 69:1551 70:397
71:81 72:778 74:44 80:801 81:665 82:660
83:405 84:395 85:561 86:390 87:368 88:109
89:265 121:1 122:2 123:1 124:278 125:522
128:170 129:188 130:119 131:318 132:34 133:9
134:159 135:48 136:178 137:82 138:206 139:147
140:468 141:134 142:406 143:162 144:222 145:40
146:318 147:141 148:318 149:191 150:113 151:93
152:72 153:107 154:6 155:202 156:98 157:148
158:169 159:173 160:91 161:79 162:244 163:150
164:224 165:217 166:171 167:244 168:606 169:128
170:336 171:14 183:1 190:75 192:5862 193:3394
194:2760 195:2071 196:883 198:4028 199:3295 200:4479
201:982 202:6874 203:7127 204:4086 205:2186 206:2794
207:3543 208:2942 209:4191 210:2086 211:736 212:1414
213:1574 214:364 215:39 216:4596 217:1373 218:312
219:266 220:721 221:359 222:196
End of report
