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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 18 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 202599
Prefixes after maximum aggregation: 106634
Unique aggregates announced to Internet: 93255
Total ASes present in the Internet Routing Table: 22512
Origin-only ASes present in the Internet Routing Table: 19527
Origin ASes announcing only one prefix: 9346
Transit ASes present in the Internet Routing Table: 2985
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 27
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 60
Number of addresses announced to Internet: 2009151766
Equivalent to 119 /8s, 193 /16s and 57 /24s
Percentage of available address space announced: 54.2
Percentage of allocated address space announced: 78.4
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 104105
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40736
Total APNIC prefixes after maximum aggregation: 16855
Prefixes being announced from the APNIC address blocks: 38363
Unique aggregates announced from the APNIC address blocks: 18359
APNIC Region origin ASes present in the Internet Routing Table: 2598
APNIC Region origin ASes announcing only one prefix: 740
APNIC Region transit ASes present in the Internet Routing Table: 404
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 287992004
Equivalent to 17 /8s, 42 /16s and 104 /24s
Percentage of available APNIC address space announced: 90.0
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: 108599
Total ARIN prefixes after maximum aggregation: 59409
Prefixes being announced from the ARIN address blocks: 80904
Unique aggregates announced from the ARIN address blocks: 26798
ARIN Region origin ASes present in the Internet Routing Table: 10780
ARIN Region origin ASes announcing only one prefix: 4049
ARIN Region transit ASes present in the Internet Routing Table: 1017
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 294176801
Equivalent to 17 /8s, 136 /16s and 200 /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: 39436
Total RIPE prefixes after maximum aggregation: 25740
Prefixes being announced from the RIPE address blocks: 36838
Unique aggregates announced from the RIPE address blocks: 23758
RIPE Region origin ASes present in the Internet Routing Table: 8198
RIPE Region origin ASes announcing only one prefix: 4284
RIPE Region transit ASes present in the Internet Routing Table: 1378
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 254226624
Equivalent to 15 /8s, 39 /16s and 48 /24s
Percentage of available RIPE address space announced: 79.8
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: 11533
Total LACNIC prefixes after maximum aggregation: 3714
Prefixes being announced from the LACNIC address blocks: 9686
Unique aggregates announced from the LACNIC address blocks: 5515
LACNIC Region origin ASes present in the Internet Routing Table: 697
LACNIC Region origin ASes announcing only one prefix: 229
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 27418880
Equivalent to 1 /8s, 162 /16s and 97 /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: 2269
Total AfriNIC prefixes after maximum aggregation: 916
Prefixes being announced from the AfriNIC address blocks: 1545
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: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 4126720
Equivalent to 0 /8s, 62 /16s and 248 /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
4755 919 256 70 Videsh Sanchar Nigam Ltd. Aut
9583 903 109 16 Sify Limited
4134 846 5590 185 CHINANET-BACKBONE
4766 715 4436 310 Korea Telecom (KIX)
9498 661 211 68 BHARTI BT INTERNET LTD.
1221 649 1668 481 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 439 2717 31 China Education and Research
18101 413 85 24 Reliance Infocom Ltd Internet
17557 397 31 176 Pakistan Telecom
9929 385 253 63 China Netcom Corp.
17974 382 129 14 PT TELEKOMUNIKASI INDONESIA
4802 381 80 168 Wantree Development
4780 365 225 27 Digital United Inc.
7474 360 211 228 SingTel Optus Pty Ltd
2907 339 1733 313 SINET Japan
4804 305 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 688 1951 451 UUNET - Commercial IP service
3215 403 1680 93 France Telecom Transpac
3301 306 1343 293 TeliaNet Sweden
3352 306 1643 30 Ibernet, Internet Access Netw
3320 289 3989 242 Deutsche Telekom AG
8220 276 466 261 COLT Telecommunications
680 245 2025 242 DFN-IP service G-WiN
3246 238 505 228 Song Networks
6746 237 90 212 Dynamic Network Technologies,
5089 235 1691 46 NTL Group Limited
1257 220 741 165 SWIPnet Swedish IP Network
8708 216 275 202 Romania Data Systems S.A.
24863 215 42 10 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 174 348 140 BT Ignite European Backbone
786 172 1778 172 The JANET IP Service
3300 170 171 97 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5040 6752 774 UUNET Technologies, Inc.
4323 3142 743 263 Time Warner Telecom
705 1577 578 702 UUNET Technologies, Inc.
7018 1484 6283 955 AT&T WorldNet Services
6197 1013 629 474 BellSouth Network Solutions,
721 1012 21982 313 DLA Systems Automation Center
174 964 5787 898 Cogent Communications
19029 947 151 108 New Edge Networks
18566 943 272 8 Covad Communications
2386 909 560 703 AT&T Data Communications Serv
1239 850 2797 602 Sprint
7046 844 253 700 UUNET Technologies, Inc.
20115 712 617 386 Charter Communications
19262 710 2105 183 Verizon Global Networks
209 709 3687 551 Qwest
22773 661 1741 35 Cox Communications, Inc.
7011 638 218 414 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 3142 2879 Time Warner Telecom
18566 943 935 Covad Communications
9583 903 887 Sify Limited
705 1577 875 UUNET Technologies, Inc.
4755 919 849 Videsh Sanchar Nigam Ltd. Aut
19029 947 839 New Edge Networks
721 1012 699 DLA Systems Automation Center
4134 846 661 CHINANET-BACKBONE
22773 661 626 Cox Communications, Inc.
11492 632 609 Cable One
9498 661 593 BHARTI BT INTERNET LTD.
6197 1013 539 BellSouth Network Solutions,
7018 1484 529 AT&T WorldNet Services
19262 710 527 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 707 483 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
65412 PRIVATE 210.18.22.0/24 9583 Sify Limited
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 /12:90
/13:201 /14:354 /15:704 /16:8794 /17:3217 /18:5392
/19:11799 /20:13398 /21:11933 /22:15262 /23:16671 /24:112513
/25:469 /26:399 /27:283 /28:211 /29:221 /30:463
/31:0 /32:102
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3784 5040 UUNET Technologies, Inc.
4323 1866 3142 Time Warner Telecom
705 1013 1577 UUNET Technologies, Inc.
18566 926 943 Covad Communications
19029 878 947 New Edge Networks
6197 796 1013 BellSouth Network Solutions,
7018 784 1484 AT&T WorldNet Services
9583 734 903 Sify Limited
2386 631 909 AT&T Data Communications Serv
11492 623 632 Cable One
7046 598 844 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 547 638 Citizens Utilities
6461 533 606 AboveNet Communications, Inc.
2686 531 575 IBM
4766 525 715 Korea Telecom (KIX)
702 471 688 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 12:1634 13:1 15:16
16:3 17:3 18:4 20:41 24:753 25:1
30:2 32:277 38:231 40:54 41:2 44:3
47:6 52:4 55:1 56:3 57:46 58:190
59:247 60:187 61:876 62:905 63:3421 64:3540
65:3613 66:3683 67:652 68:671 69:1553 70:398
71:81 72:764 74:43 80:798 81:660 82:660
83:406 84:394 85:557 86:385 87:369 88:109
89:262 121:1 122:2 123:1 124:279 125:515
128:169 129:188 130:119 131:318 132:33 133:9
134:159 135:43 136:173 137:82 138:206 139:160
140:467 141:133 142:405 143:166 144:222 145:40
146:319 147:141 148:318 149:191 150:113 151:93
152:72 153:107 154:6 155:202 156:97 157:148
158:169 159:173 160:91 161:78 162:244 163:154
164:224 165:217 166:171 167:246 168:606 169:128
170:335 171:14 183:1 190:75 192:5852 193:3387
194:2765 195:2077 196:879 198:4034 199:3290 200:4480
201:982 202:6828 203:7089 204:4060 205:2174 206:2790
207:3549 208:2949 209:4190 210:2085 211:718 212:1413
213:1568 214:362 215:40 216:4595 217:1371 218:312
219:263 220:704 221:359 222:164
End of report
