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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 14 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 201115
Prefixes after maximum aggregation: 105578
Unique aggregates announced to Internet: 92158
Total ASes present in the Internet Routing Table: 22186
Origin-only ASes present in the Internet Routing Table: 19263
Origin ASes announcing only one prefix: 9167
Transit ASes present in the Internet Routing Table: 2923
Transit-only ASes present in the Internet Routing Table: 70
Average AS path length visible in the Internet Routing Table: 3.2
Max AS path length visible: 22
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 25
Unregistered ASNs in the Routing Table: 22
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 61
Number of addresses announced to Internet: 2018524129
Equivalent to 120 /8s, 80 /16s and 59 /24s
Percentage of available address space announced: 54.5
Percentage of allocated address space announced: 78.8
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 102576
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40731
Total APNIC prefixes after maximum aggregation: 16624
Prefixes being announced from the APNIC address blocks: 38380
Unique aggregates announced from the APNIC address blocks: 18216
APNIC Region origin ASes present in the Internet Routing Table: 2560
APNIC Region origin ASes announcing only one prefix: 723
APNIC Region transit ASes present in the Internet Routing Table: 399
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 287237924
Equivalent to 17 /8s, 30 /16s and 231 /24s
Percentage of available APNIC address space announced: 89.8
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: 108141
Total ARIN prefixes after maximum aggregation: 59146
Prefixes being announced from the ARIN address blocks: 80518
Unique aggregates announced from the ARIN address blocks: 26487
ARIN Region origin ASes present in the Internet Routing Table: 10722
ARIN Region origin ASes announcing only one prefix: 4017
ARIN Region transit ASes present in the Internet Routing Table: 1018
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 292744737
Equivalent to 17 /8s, 114 /16s and 238 /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
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: 38749
Total RIPE prefixes after maximum aggregation: 25263
Prefixes being announced from the RIPE address blocks: 36207
Unique aggregates announced from the RIPE address blocks: 23204
RIPE Region origin ASes present in the Internet Routing Table: 7990
RIPE Region origin ASes announcing only one prefix: 4151
RIPE Region transit ASes present in the Internet Routing Table: 1311
Average RIPE Region AS path length visible: 3.1
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 249508656
Equivalent to 14 /8s, 223 /16s and 51 /24s
Percentage of available RIPE address space announced: 78.3
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: 11315
Total LACNIC prefixes after maximum aggregation: 3644
Prefixes being announced from the LACNIC address blocks: 9429
Unique aggregates announced from the LACNIC address blocks: 5511
LACNIC Region origin ASes present in the Internet Routing Table: 686
LACNIC Region origin ASes announcing only one prefix: 227
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 26941696
Equivalent to 1 /8s, 155 /16s and 25 /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: 2156
Total AfriNIC prefixes after maximum aggregation: 901
Prefixes being announced from the AfriNIC address blocks: 1480
Unique aggregates announced from the AfriNIC address blocks: 928
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 3.0
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 4087040
Equivalent to 0 /8s, 62 /16s and 93 /24s
Percentage of available AfriNIC address space announced: 12.2
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 1022 6732 188 CHINANET-BACKBONE
9583 901 109 16 Sify Limited
4755 884 259 69 Videsh Sanchar Nigam Ltd. Aut
4538 723 2686 31 China Education and Research
4766 707 4436 310 Korea Telecom (KIX)
1221 657 1556 483 Telstra Pty Ltd
9498 568 211 67 BHARTI BT INTERNET LTD.
7545 530 124 69 TPG Internet Pty Ltd
17488 501 31 7 Hathway IP Over Cable Interne
17676 487 7029 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4802 387 80 177 Wantree Development
9929 372 220 62 China Netcom Corp.
7474 363 211 230 SingTel Optus Pty Ltd
17849 348 22 112 Telecommunications Technology
18101 344 85 23 Reliance Infocom Ltd Internet
2907 342 1766 316 SINET Japan
4780 339 226 28 Digital United Inc.
17557 328 27 158 Pakistan Telecom
17974 309 133 16 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 720 1952 458 UUNET - Commercial IP service
3215 421 1664 94 France Telecom Transpac
3301 307 1071 293 TeliaNet Sweden
8220 301 475 270 COLT Telecommunications
3352 296 1628 30 Ibernet, Internet Access Netw
3320 284 3988 239 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
5089 238 1659 44 NTL Group Limited
3246 237 504 227 Song Networks
6746 230 89 206 Dynamic Network Technologies,
1257 220 742 168 SWIPnet Swedish IP Network
8708 218 275 201 Romania Data Systems S.A.
24863 209 40 9 LINKdotNET AS number
8551 202 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
8866 180 37 16 Bulgarian Telecommunication C
6830 175 765 35 UPC Distribution Services
5400 173 347 140 BT Ignite European Backbone
30890 173 15 66 SC Kappa Invexim SRL
786 172 1778 172 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5066 8026 772 UUNET Technologies, Inc.
4323 3100 734 258 Time Warner Telecom
705 1635 610 715 UUNET Technologies, Inc.
7018 1520 6236 968 AT&T WorldNet Services
6197 1003 622 473 BellSouth Network Solutions,
721 995 21945 304 DLA Systems Automation Center
174 956 5755 900 Cogent Communications
19029 949 151 110 New Edge Networks
18566 939 272 8 Covad Communications
2386 877 522 677 AT&T Data Communications Serv
1239 849 2813 603 Sprint
7046 840 256 698 UUNET Technologies, Inc.
209 706 3563 554 Qwest
19262 702 2120 168 Verizon Global Networks
20115 692 605 373 Charter Communications
22773 657 1745 42 Cox Communications, Inc.
7011 634 218 412 Citizens Utilities
11492 632 86 23 Cable One
6461 618 227 84 AboveNet Communications, Inc.
852 598 1085 384 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3100 2842 Time Warner Telecom
18566 939 931 Covad Communications
705 1635 920 UUNET Technologies, Inc.
9583 901 885 Sify Limited
19029 949 839 New Edge Networks
4134 1022 834 CHINANET-BACKBONE
4755 884 815 Videsh Sanchar Nigam Ltd. Aut
4538 723 692 China Education and Research
721 995 691 DLA Systems Automation Center
22773 657 615 Cox Communications, Inc.
11492 632 609 Cable One
7018 1520 552 AT&T WorldNet Services
19262 702 534 Verizon Global Networks
6461 618 534 AboveNet Communications, Inc.
6197 1003 530 BellSouth Network Solutions,
19916 563 509 OLM LLC
5668 529 506 CenturyTel Internet Holdings,
9498 568 501 BHARTI BT INTERNET LTD.
17488 501 494 Hathway IP Over Cable Interne
8151 703 484 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
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
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
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
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
65528 PRIVATE 206.210.72.64/26 17054 e-xpedient
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 /12:90
/13:207 /14:361 /15:706 /16:8847 /17:3238 /18:5438
/19:11900 /20:13643 /21:11734 /22:15186 /23:16440 /24:111071
/25:464 /26:323 /27:319 /28:216 /29:239 /30:467
/31:0 /32:103
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3796 5066 UUNET Technologies, Inc.
4323 1847 3100 Time Warner Telecom
705 1062 1635 UUNET Technologies, Inc.
18566 922 939 Covad Communications
19029 880 949 New Edge Networks
7018 803 1520 AT&T WorldNet Services
6197 791 1003 BellSouth Network Solutions,
9583 729 901 Sify Limited
11492 623 632 Cable One
2386 600 877 AT&T Data Communications Serv
7046 593 840 UUNET Technologies, Inc.
19916 557 563 OLM LLC
6461 545 618 AboveNet Communications, Inc.
7011 543 634 Citizens Utilities
2686 525 569 IBM
4766 517 707 Korea Telecom (KIX)
702 498 720 UUNET - Commercial IP service
855 416 538 Canadian Research Network
5668 411 529 CenturyTel Internet Holdings,
15270 396 427 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:8 8:41 12:1640 13:1 15:12
16:3 17:3 18:4 20:43 24:745 25:1
32:279 38:215 40:54 41:1 44:3 47:6
52:4 55:1 56:3 57:34 58:155 59:206
60:182 61:853 62:889 63:3483 64:3539 65:3676
66:3622 67:648 68:664 69:1505 70:330 71:82
72:706 73:23 74:34 80:768 81:642 82:664
83:394 84:393 85:538 86:353 87:329 88:84
89:192 124:275 125:384 128:164 129:187 130:114
131:319 132:34 133:8 134:159 135:46 136:178
137:76 138:198 139:160 140:469 141:136 142:391
143:164 144:226 145:39 146:327 147:141 148:330
149:189 150:112 151:85 152:71 153:107 154:6
155:197 156:98 157:145 158:161 159:172 160:88
161:78 162:260 163:146 164:224 165:199 166:163
167:246 168:606 169:128 170:335 171:14 183:1
190:87 192:5852 193:3384 194:2719 195:1961 196:848
198:4031 199:3301 200:4429 201:936 202:6783 203:6951
204:4075 205:2220 206:2766 207:3585 208:2888 209:4180
210:2004 211:728 212:1382 213:1586 214:362 215:41
216:4504 217:1393 218:287 219:208 220:655 221:358
222:155
End of report
