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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 29 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 213775
Prefixes after maximum aggregation: 113677
Deaggregation factor: 1.88
Unique aggregates announced to Internet: 101479
Total ASes present in the Internet Routing Table: 24297
Origin-only ASes present in the Internet Routing Table: 21130
Origin ASes announcing only one prefix: 10194
Transit ASes present in the Internet Routing Table: 3167
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 39
Max AS path prepend of ASN (14282) 36
Prefixes from unregistered ASNs in the Routing Table: 14
Unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1668260824
Equivalent to 99 /8s, 111 /16s and 163 /24s
Percentage of available address space announced: 45.0
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 110218
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47570
Total APNIC prefixes after maximum aggregation: 18837
APNIC Deaggregation factor: 2.53
Prefixes being announced from the APNIC address blocks: 44926
Unique aggregates announced from the APNIC address blocks: 19214
APNIC Region origin ASes present in the Internet Routing Table: 2843
APNIC Region origin ASes announcing only one prefix: 788
APNIC Region transit ASes present in the Internet Routing Table: 431
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 281247632
Equivalent to 16 /8s, 195 /16s and 127 /24s
Percentage of available APNIC address space announced: 69.7
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, 116/6, 120/6, 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: 105205
Total ARIN prefixes after maximum aggregation: 61367
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 77246
Unique aggregates announced from the ARIN address blocks: 29063
ARIN Region origin ASes present in the Internet Routing Table: 11310
ARIN Region origin ASes announcing only one prefix: 4320
ARIN Region transit ASes present in the Internet Routing Table: 1063
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 314939360
Equivalent to 18 /8s, 197 /16s and 151 /24s
Percentage of available ARIN address space announced: 69.5
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 44521
Total RIPE prefixes after maximum aggregation: 28528
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41376
Unique aggregates announced from the RIPE address blocks: 26676
RIPE Region origin ASes present in the Internet Routing Table: 9129
RIPE Region origin ASes announcing only one prefix: 4781
RIPE Region transit ASes present in the Internet Routing Table: 1467
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 287343264
Equivalent to 17 /8s, 32 /16s and 130 /24s
Percentage of available RIPE address space announced: 77.8
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
40960-43007
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 13949
Total LACNIC prefixes after maximum aggregation: 3986
LACNIC Deaggregation factor: 3.50
Prefixes being announced from the LACNIC address blocks: 11972
Unique aggregates announced from the LACNIC address blocks: 6922
LACNIC Region origin ASes present in the Internet Routing Table: 763
LACNIC Region origin ASes announcing only one prefix: 250
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 39
Number of LACNIC addresses announced to Internet: 36637696
Equivalent to 2 /8s, 47 /16s and 12 /24s
Percentage of available LACNIC address space announced: 54.6
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: 2517
Total AfriNIC prefixes after maximum aggregation: 957
AfriNIC Deaggregation factor: 2.63
Prefixes being announced from the AfriNIC address blocks: 1806
Unique aggregates announced from the AfriNIC address blocks: 1156
AfriNIC Region origin ASes present in the Internet Routing Table: 175
AfriNIC Region origin ASes announcing only one prefix: 54
AfriNIC Region transit ASes present in the Internet Routing Table: 28
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC addresses announced to Internet: 5380608
Equivalent to 0 /8s, 82 /16s and 26 /24s
Percentage of available AfriNIC address space announced: 16.0
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 1279 8647 274 CHINANET-BACKBONE
4755 1089 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1050 109 16 Sify Limited
9498 928 467 63 BHARTI BT INTERNET LTD.
23577 777 35 702 Korea Telecom (ATM-MPLS)
4766 763 4944 313 Korea Telecom (KIX)
1221 608 1698 450 Telstra Pty Ltd
17488 588 37 20 Hathway IP Over Cable Interne
7545 562 126 76 TPG Internet Pty Ltd
18101 515 103 27 Reliance Infocom Ltd Internet
17676 503 10935 66 Softbank BB Corp.
9443 442 111 74 Primus Telecommunications
4812 436 763 69 China Telecom (Shanghai)
9942 429 85 126 COMindico Australia
7474 390 212 246 SingTel Optus Pty Ltd
17974 364 129 14 PT TELEKOMUNIKASI INDONESIA
17849 353 33 93 Telecommunications Technology
17557 349 34 164 Pakistan Telecom
4802 346 85 145 Wantree Development
2907 339 1749 310 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1898 425 UUNET - Commercial IP service
3215 390 2192 93 France Telecom Transpac
3301 305 1199 287 TeliaNet Sweden
3320 298 4993 249 Deutsche Telekom AG
24863 297 44 24 LINKdotNET AS number
8220 273 473 264 COLT Telecommunications
6746 271 95 248 Dynamic Network Technologies,
1257 258 1097 174 SWIPnet Swedish IP Network
680 257 2044 251 DFN-IP service G-WiN
5089 241 1657 52 NTL Group Limited
8708 234 283 221 Romania Data Systems S.A.
30890 214 18 90 SC Kappa Invexim SRL
3269 213 2391 71 TELECOM ITALIA
3246 207 354 197 Song Networks
5416 206 13 9 BATELCO-BH
8551 197 197 24 Bezeq International
20858 189 34 3 This AS will be used to conne
3300 187 171 94 AUCS Communications Services
2119 186 772 163 Telenor Internet Access
3352 182 1767 31 Ibernet, Internet Access Netw
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1545 10198 989 AT&T WorldNet Services
2386 1107 585 732 AT&T Data Communications Serv
4323 1056 818 294 Time Warner Telecom
6197 1023 647 501 BellSouth Network Solutions,
18566 989 288 9 Covad Communications
701 945 6694 746 UUNET Technologies, Inc.
174 934 6789 863 Cogent Communications
11492 912 99 15 Cable One
705 883 520 290 UUNET Technologies, Inc.
1239 836 2747 584 Sprint
19262 808 2576 180 Verizon Global Networks
20115 794 689 417 Charter Communications
7011 731 218 454 Citizens Utilities
22773 723 1872 41 Cox Communications, Inc.
209 718 3750 564 Qwest
721 686 21836 280 DLA Systems Automation Center
852 622 1091 393 Telus Advanced Communications
577 588 760 210 Bell Advanced Communications
5668 582 161 19 CenturyTel Internet Holdings,
19916 568 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
9583 1050 1034 Sify Limited
4755 1089 1017 Videsh Sanchar Nigam Ltd. Aut
4134 1279 1005 CHINANET-BACKBONE
18566 989 980 Covad Communications
11492 912 897 Cable One
9498 928 865 BHARTI BT INTERNET LTD.
4323 1056 762 Time Warner Telecom
8151 940 736 UniNet S.A. de C.V.
22773 723 682 Cox Communications, Inc.
19262 808 628 Verizon Global Networks
705 883 593 UUNET Technologies, Inc.
17488 588 568 Hathway IP Over Cable Interne
5668 582 563 CenturyTel Internet Holdings,
6197 1023 522 BellSouth Network Solutions,
19916 568 514 OLM LLC
11830 504 495 Instituto Costarricense de El
855 565 492 Canadian Research Network
18101 515 488 Reliance Infocom Ltd Internet
7545 562 486 TPG Internet Pty Ltd
15270 500 466 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
65404 PRIVATE 203.2.172.0/24 9466 UUNET Japan Limited
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp
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
192.0.2.0/24 2854 RoSprint AS (Global One Russi
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
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
172.33.1.0/24 7018 AT&T WorldNet Services
180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
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
192.153.136.0/21 721 DLA Systems Automation Center
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 /9:10 /10:13 /11:33 /12:117
/13:238 /14:416 /15:817 /16:9243 /17:3746 /18:6090
/19:13194 /20:14828 /21:13283 /22:17085 /23:18276 /24:113722
/25:767 /26:534 /27:470 /28:181 /29:148 /30:467
/31:0 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 971 989 Covad Communications
11492 898 912 Cable One
9583 877 1050 Sify Limited
7018 854 1545 AT&T WorldNet Services
2386 830 1107 AT&T Data Communications Serv
6197 795 1023 BellSouth Network Solutions,
23577 763 777 Korea Telecom (ATM-MPLS)
7011 634 731 Citizens Utilities
9498 585 928 BHARTI BT INTERNET LTD.
4766 571 763 Korea Telecom (KIX)
19916 563 568 OLM LLC
4755 499 1089 Videsh Sanchar Nigam Ltd. Aut
15270 468 500 PaeTec.net -a division of Pae
855 464 565 Canadian Research Network
705 459 883 UUNET Technologies, Inc.
5668 447 582 CenturyTel Internet Holdings,
18101 447 515 Reliance Infocom Ltd Internet
17488 411 588 Hathway IP Over Cable Interne
1239 408 836 Sprint
33588 403 425 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:61 9:1 12:1675 13:1
15:15 16:3 17:3 18:5 20:38 24:877
25:1 32:168 38:277 40:57 41:66 44:2
47:10 52:4 55:1 56:3 57:41 58:298
59:378 60:203 61:965 62:1107 63:2074 64:3234
65:2338 66:3155 67:735 68:639 69:1732 70:430
71:133 72:1144 73:1 74:150 75:64 76:22
77:3 80:842 81:783 82:686 83:358 84:503
85:773 86:466 87:474 88:276 89:780 90:2
91:177 97:1 116:1 117:1 118:1 119:1
120:1 121:127 122:68 123:26 124:576 125:784
128:304 129:221 130:126 131:318 132:49 133:11
134:182 135:44 136:180 137:117 138:190 139:103
140:519 141:134 142:387 143:211 144:268 145:66
146:317 147:141 148:367 149:193 150:115 151:117
152:90 153:119 154:6 155:250 156:125 157:174
158:170 159:147 160:98 161:86 162:228 163:161
164:452 165:288 166:246 167:281 168:496 169:121
170:379 171:15 172:1 189:145 190:357 192:5802
193:3680 194:2965 195:2331 196:934 198:3868 199:3312
200:4654 201:964 202:7201 203:7318 204:4008 205:2110
206:2481 207:2982 208:2446 209:3588 210:2367 211:932
212:1357 213:1477 214:390 215:39 216:4073 217:1343
218:377 219:268 220:861 221:371 222:277
End of report
