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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 31 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 202268
Prefixes after maximum aggregation: 106292
Unique aggregates announced to Internet: 92792
Total ASes present in the Internet Routing Table: 22384
Origin-only ASes present in the Internet Routing Table: 19487
Origin ASes announcing only one prefix: 9283
Transit ASes present in the Internet Routing Table: 2897
Transit-only ASes present in the Internet Routing Table: 61
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 23
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 32
Unregistered ASNs in the Routing Table: 24
Special use prefixes present in the Routing Table: 7
Prefixes being announced from unallocated address space: 60
Number of addresses announced to Internet: 2022861013
Equivalent to 120 /8s, 146 /16s and 104 /24s
Percentage of available address space announced: 54.6
Percentage of allocated address space announced: 78.9
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 103839
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40931
Total APNIC prefixes after maximum aggregation: 16853
Prefixes being announced from the APNIC address blocks: 38558
Unique aggregates announced from the APNIC address blocks: 18344
APNIC Region origin ASes present in the Internet Routing Table: 2573
APNIC Region origin ASes announcing only one prefix: 730
APNIC Region transit ASes present in the Internet Routing Table: 396
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 289649860
Equivalent to 17 /8s, 67 /16s and 180 /24s
Percentage of available APNIC address space announced: 90.6
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: 108456
Total ARIN prefixes after maximum aggregation: 59284
Prefixes being announced from the ARIN address blocks: 80737
Unique aggregates announced from the ARIN address blocks: 26515
ARIN Region origin ASes present in the Internet Routing Table: 10754
ARIN Region origin ASes announcing only one prefix: 4032
ARIN Region transit ASes present in the Internet Routing Table: 978
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 292928033
Equivalent to 17 /8s, 117 /16s and 186 /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: 39261
Total RIPE prefixes after maximum aggregation: 25567
Prefixes being announced from the RIPE address blocks: 36673
Unique aggregates announced from the RIPE address blocks: 23576
RIPE Region origin ASes present in the Internet Routing Table: 8145
RIPE Region origin ASes announcing only one prefix: 4245
RIPE Region transit ASes present in the Internet Routing Table: 1337
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 250963328
Equivalent to 14 /8s, 245 /16s and 101 /24s
Percentage of available RIPE address space announced: 78.7
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: 11363
Total LACNIC prefixes after maximum aggregation: 3677
Prefixes being announced from the LACNIC address blocks: 9474
Unique aggregates announced from the LACNIC address blocks: 5549
LACNIC Region origin ASes present in the Internet Routing Table: 692
LACNIC Region origin ASes announcing only one prefix: 227
LACNIC Region transit ASes present in the Internet Routing Table: 134
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 27179520
Equivalent to 1 /8s, 158 /16s and 186 /24s
Percentage of available LACNIC address space announced: 40.5
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: 2227
Total AfriNIC prefixes after maximum aggregation: 911
Prefixes being announced from the AfriNIC address blocks: 1529
Unique aggregates announced from the AfriNIC address blocks: 954
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4122112
Equivalent to 0 /8s, 62 /16s and 230 /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 1185 7094 223 CHINANET-BACKBONE
4755 900 257 69 Videsh Sanchar Nigam Ltd. Aut
9583 877 109 16 Sify Limited
4766 713 4436 310 Korea Telecom (KIX)
1221 652 1668 481 Telstra Pty Ltd
9498 565 211 67 BHARTI BT INTERNET LTD.
7545 533 124 70 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 411 85 24 Reliance Infocom Ltd Internet
17557 392 30 179 Pakistan Telecom
4802 377 80 172 Wantree Development
9929 372 220 61 China Netcom Corp.
4780 362 225 27 Digital United Inc.
7474 362 211 230 SingTel Optus Pty Ltd
17849 353 22 115 Telecommunications Technology
17974 344 119 18 PT TELEKOMUNIKASI INDONESIA
2907 339 1733 314 SINET Japan
4804 303 295 57 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 691 1936 453 UUNET - Commercial IP service
3215 415 1664 94 France Telecom Transpac
3301 308 1072 294 TeliaNet Sweden
3352 308 1644 30 Ibernet, Internet Access Netw
8220 285 472 269 COLT Telecommunications
3320 284 3988 238 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
6746 237 89 211 Dynamic Network Technologies,
3246 236 504 226 Song Networks
5089 235 1657 43 NTL Group Limited
1257 221 740 169 SWIPnet Swedish IP Network
8708 217 275 202 Romania Data Systems S.A.
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 179 37 16 Bulgarian Telecommunication C
5400 175 348 141 BT Ignite European Backbone
786 172 1778 172 The JANET IP Service
3300 172 171 99 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5052 6780 778 UUNET Technologies, Inc.
4323 3110 737 255 Time Warner Telecom
705 1625 596 711 UUNET Technologies, Inc.
7018 1488 6208 959 AT&T WorldNet Services
6197 1009 623 474 BellSouth Network Solutions,
721 1006 21977 306 DLA Systems Automation Center
174 968 5788 902 Cogent Communications
19029 950 151 110 New Edge Networks
18566 942 272 8 Covad Communications
2386 890 523 684 AT&T Data Communications Serv
7046 848 256 705 UUNET Technologies, Inc.
1239 847 2773 601 Sprint
19262 705 2120 181 Verizon Global Networks
20115 704 614 379 Charter Communications
209 702 3685 546 Qwest
22773 658 1741 40 Cox Communications, Inc.
7011 636 218 414 Citizens Utilities
11492 621 87 21 Cable One
6461 609 228 87 AboveNet Communications, Inc.
852 592 1084 380 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3110 2855 Time Warner Telecom
4134 1185 962 CHINANET-BACKBONE
18566 942 934 Covad Communications
705 1625 914 UUNET Technologies, Inc.
9583 877 861 Sify Limited
19029 950 840 New Edge Networks
4755 900 831 Videsh Sanchar Nigam Ltd. Aut
721 1006 700 DLA Systems Automation Center
22773 658 618 Cox Communications, Inc.
11492 621 600 Cable One
6197 1009 535 BellSouth Network Solutions,
7018 1488 529 AT&T WorldNet Services
19262 705 524 Verizon Global Networks
6461 609 522 AboveNet Communications, Inc.
19916 563 509 OLM LLC
5668 529 506 CenturyTel Internet Holdings,
17488 514 505 Hathway IP Over Cable Interne
9498 565 498 BHARTI BT INTERNET LTD.
855 553 489 Canadian Research Network
8151 701 479 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
65531 PRIVATE 193.178.210.0/24 12876 Tiscali Telecom
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
36839 UNALLOCATED 208.67.64.0/21 25973 Mzima Networks, Inc.
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
64567 PRIVATE 213.52.159.0/24 4513 PFM Communications,
64566 PRIVATE 213.52.177.0/24 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
65531 PRIVATE 217.113.192.0/20 12876 Tiscali Telecom
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
10.3.88.0/24 21240 HeliosNet Autonomous System
172.16.2.32/27 6325 Illinois Century Network
172.16.2.80/28 6325 Illinois Century Network
172.17.88.0/24 21240 HeliosNet Autonomous System
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 /12:91
/13:206 /14:360 /15:710 /16:8847 /17:3295 /18:5479
/19:11944 /20:13494 /21:11859 /22:15285 /23:16626 /24:111838
/25:442 /26:331 /27:288 /28:218 /29:238 /30:487
/31:0 /32:107
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3784 5052 UUNET Technologies, Inc.
4323 1857 3110 Time Warner Telecom
705 1055 1625 UUNET Technologies, Inc.
18566 925 942 Covad Communications
19029 881 950 New Edge Networks
6197 797 1009 BellSouth Network Solutions,
7018 782 1488 AT&T WorldNet Services
9583 706 877 Sify Limited
2386 613 890 AT&T Data Communications Serv
11492 612 621 Cable One
7046 603 848 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 545 636 Citizens Utilities
6461 533 609 AboveNet Communications, Inc.
2686 526 571 IBM
4766 523 713 Korea Telecom (KIX)
702 474 691 UUNET - Commercial IP service
855 427 553 Canadian Research Network
5668 412 529 CenturyTel Internet Holdings,
15270 401 432 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:8 8:42 10:1 12:1645 13:1
15:14 16:3 17:3 18:4 20:43 24:738
25:1 30:2 32:278 38:224 40:54 41:3
44:3 47:6 52:4 55:1 56:3 57:47
58:179 59:204 60:185 61:862 62:899 63:3477
64:3530 65:3677 66:3646 67:653 68:671 69:1544
70:366 71:87 72:731 73:23 74:38 80:786
81:674 82:656 83:404 84:401 85:558 86:399
87:357 88:85 89:229 124:291 125:472 128:161
129:191 130:117 131:317 132:34 133:9 134:159
135:48 136:178 137:75 138:208 139:160 140:469
141:129 142:406 143:165 144:224 145:39 146:328
147:141 148:311 149:191 150:114 151:90 152:71
153:107 154:6 155:201 156:100 157:151 158:167
159:173 160:89 161:79 162:245 163:146 164:222
165:212 166:166 167:244 168:608 169:128 170:338
171:14 172:1 183:1 190:75 192:5857 193:3381
194:2754 195:2051 196:878 198:4034 199:3294 200:4436
201:947 202:6647 203:7088 204:4063 205:2206 206:2780
207:3528 208:2963 209:4183 210:2050 211:703 212:1397
213:1568 214:360 215:40 216:4510 217:1395 218:306
219:221 220:695 221:354 222:128
End of report
