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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 03 Feb, 2007
Analysis Summary
----------------
BGP routing table entries examined: 219125
Prefixes after maximum aggregation: 114649
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 101615
Total ASes present in the Internet Routing Table: 24287
Origin-only ASes present in the Internet Routing Table: 21072
Origin ASes announcing only one prefix: 10191
Transit ASes present in the Internet Routing Table: 3215
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 39
Max AS path prepend of ASN (14282) 36
Prefixes from unregistered ASNs in the Routing Table: 39
Unregistered ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 13
Number of addresses announced to Internet: 1672567296
Equivalent to 99 /8s, 177 /16s and 90 /24s
Percentage of available address space announced: 45.1
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 114581
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47768
Total APNIC prefixes after maximum aggregation: 18910
APNIC Deaggregation factor: 2.53
Prefixes being announced from the APNIC address blocks: 45075
Unique aggregates announced from the APNIC address blocks: 19410
APNIC Region origin ASes present in the Internet Routing Table: 2847
APNIC Region origin ASes announcing only one prefix: 789
APNIC Region transit ASes present in the Internet Routing Table: 437
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 283128120
Equivalent to 16 /8s, 224 /16s and 49 /24s
Percentage of available APNIC address space announced: 70.1
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: 110449
Total ARIN prefixes after maximum aggregation: 62230
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 82418
Unique aggregates announced from the ARIN address blocks: 29264
ARIN Region origin ASes present in the Internet Routing Table: 11318
ARIN Region origin ASes announcing only one prefix: 4319
ARIN Region transit ASes present in the Internet Routing Table: 1076
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 316260576
Equivalent to 18 /8s, 217 /16s and 192 /24s
Percentage of available ARIN address space announced: 69.8
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: 44316
Total RIPE prefixes after maximum aggregation: 28496
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41161
Unique aggregates announced from the RIPE address blocks: 26384
RIPE Region origin ASes present in the Internet Routing Table: 9104
RIPE Region origin ASes announcing only one prefix: 4779
RIPE Region transit ASes present in the Internet Routing Table: 1488
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 287719584
Equivalent to 17 /8s, 38 /16s and 64 /24s
Percentage of available RIPE address space announced: 78.0
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: 13930
Total LACNIC prefixes after maximum aggregation: 4021
LACNIC Deaggregation factor: 3.46
Prefixes being announced from the LACNIC address blocks: 11950
Unique aggregates announced from the LACNIC address blocks: 6946
LACNIC Region origin ASes present in the Internet Routing Table: 763
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 139
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 39
Number of LACNIC addresses announced to Internet: 37145344
Equivalent to 2 /8s, 54 /16s and 203 /24s
Percentage of available LACNIC address space announced: 55.4
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: 2625
Total AfriNIC prefixes after maximum aggregation: 990
AfriNIC Deaggregation factor: 2.65
Prefixes being announced from the AfriNIC address blocks: 1893
Unique aggregates announced from the AfriNIC address blocks: 1144
AfriNIC Region origin ASes present in the Internet Routing Table: 176
AfriNIC Region origin ASes announcing only one prefix: 52
AfriNIC Region transit ASes present in the Internet Routing Table: 34
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC addresses announced to Internet: 5384192
Equivalent to 0 /8s, 82 /16s and 40 /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 1275 8636 273 CHINANET-BACKBONE
4755 1092 383 73 Videsh Sanchar Nigam Ltd. Aut
9583 1042 109 16 Sify Limited
9498 942 467 64 BHARTI BT INTERNET LTD.
4766 763 4944 313 Korea Telecom (KIX)
23577 761 34 692 Korea Telecom (ATM-MPLS)
1221 613 1698 452 Telstra Pty Ltd
17488 592 37 21 Hathway IP Over Cable Interne
7545 563 126 75 TPG Internet Pty Ltd
18101 516 103 23 Reliance Infocom Ltd Internet
17676 504 10935 66 Softbank BB Corp.
9443 442 111 74 Primus Telecommunications
7474 441 215 252 SingTel Optus Pty Ltd
4812 440 763 70 China Telecom (Shanghai)
9942 431 85 126 COMindico Australia
4802 362 86 149 Wantree Development
17849 354 34 94 Telecommunications Technology
17557 346 34 167 Pakistan Telecom
2907 340 1749 311 SINET Japan
4837 335 4149 150 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 545 1897 423 UUNET - Commercial IP service
3301 306 1199 288 TeliaNet Sweden
24863 306 44 24 LINKdotNET AS number
2119 302 762 263 Telenor Internet Access
3320 298 4993 249 Deutsche Telekom AG
8220 270 468 261 COLT Telecommunications
6746 267 95 246 Dynamic Network Technologies,
1257 260 1100 173 SWIPnet Swedish IP Network
680 257 2044 251 DFN-IP service G-WiN
5089 241 1657 52 NTL Group Limited
3215 236 2192 93 France Telecom Transpac
8708 234 283 221 Romania Data Systems S.A.
3269 213 2391 71 TELECOM ITALIA
3246 207 354 197 Song Networks
5416 206 13 9 BATELCO-BH
8551 205 197 25 Bezeq International
20858 197 34 3 This AS will be used to conne
3352 192 1767 31 Ibernet, Internet Access Netw
3300 188 171 94 AUCS Communications Services
12479 176 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4816 6694 744 UUNET Technologies, Inc.
7018 1541 6105 992 AT&T WorldNet Services
705 1397 552 601 UUNET Technologies, Inc.
2386 1105 569 729 AT&T Data Communications Serv
4323 1053 819 298 Time Warner Telecom
6197 1023 650 503 BellSouth Network Solutions,
18566 988 288 9 Covad Communications
174 934 6789 863 Cogent Communications
11492 919 100 14 Cable One
1239 829 2739 577 Sprint
19262 809 2592 180 Verizon Global Networks
20115 797 695 414 Charter Communications
7046 784 267 649 UUNET Technologies, Inc.
7011 761 224 466 Citizens Utilities
22773 724 1872 41 Cox Communications, Inc.
209 721 3742 568 Qwest
721 684 21836 280 DLA Systems Automation Center
852 619 1091 392 Telus Advanced Communications
577 584 760 206 Bell Advanced Communications
5668 581 161 17 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
9583 1042 1026 Sify Limited
4755 1092 1019 Videsh Sanchar Nigam Ltd. Aut
4134 1275 1002 CHINANET-BACKBONE
18566 988 979 Covad Communications
11492 919 905 Cable One
9498 942 878 BHARTI BT INTERNET LTD.
705 1397 796 UUNET Technologies, Inc.
8151 974 770 UniNet S.A. de C.V.
4323 1053 755 Time Warner Telecom
22773 724 683 Cox Communications, Inc.
19262 809 629 Verizon Global Networks
17488 592 571 Hathway IP Over Cable Interne
5668 581 564 CenturyTel Internet Holdings,
7018 1541 549 AT&T WorldNet Services
6197 1023 520 BellSouth Network Solutions,
19916 568 514 OLM LLC
11830 504 495 Instituto Costarricense de El
18101 516 493 Reliance Infocom Ltd Internet
7545 563 488 TPG Internet Pty Ltd
855 561 488 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65533 PRIVATE 4.33.8.0/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.16/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.32/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.48/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.64/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.80/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.96/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.112/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.144/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.160/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.176/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.192/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.208/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.224/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.240/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.0/26 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.128/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.192/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.224/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.0/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.16/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.32/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.48/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.64/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.80/28 293 Energy Sciences Netw
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
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
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
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
1.1.1.0/24 4761 INDOSATNET-ASN
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 /12:118
/13:238 /14:420 /15:821 /16:9262 /17:3770 /18:6144
/19:13235 /20:14874 /21:13385 /22:17332 /23:18610 /24:118052
/25:816 /26:597 /27:478 /28:208 /29:151 /30:460
/31:0 /32:79
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3574 4816 UUNET Technologies, Inc.
18566 970 988 Covad Communications
11492 905 919 Cable One
9583 871 1042 Sify Limited
705 858 1397 UUNET Technologies, Inc.
7018 846 1541 AT&T WorldNet Services
2386 829 1105 AT&T Data Communications Serv
6197 793 1023 BellSouth Network Solutions,
23577 747 761 Korea Telecom (ATM-MPLS)
7011 662 761 Citizens Utilities
9498 599 942 BHARTI BT INTERNET LTD.
4766 571 763 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 546 784 UUNET Technologies, Inc.
4755 503 1092 Videsh Sanchar Nigam Ltd. Aut
15270 473 505 PaeTec.net -a division of Pae
855 460 561 Canadian Research Network
5668 448 581 CenturyTel Internet Holdings,
18101 447 516 Reliance Infocom Ltd Internet
17488 415 592 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:9 6:1 7:1 8:63 9:1
12:1668 13:1 15:16 16:3 17:3 18:5
20:38 24:879 25:1 32:172 38:278 40:56
41:65 44:2 47:7 52:4 55:1 56:3
57:52 58:309 59:376 60:203 61:937 62:1121
63:3334 64:3350 65:3664 66:3248 67:730 68:646
69:1728 70:444 71:133 72:1180 73:1 74:164
75:67 76:22 77:7 80:841 81:779 82:690
83:361 84:515 85:765 86:334 87:475 88:278
89:688 90:1 91:197 97:1 116:1 117:1
118:1 119:1 120:1 121:131 122:76 123:32
124:582 125:793 128:311 129:219 130:126 131:343
132:47 133:11 134:184 135:44 136:179 137:118
138:191 139:104 140:521 141:142 142:393 143:212
144:271 145:67 146:314 147:143 148:369 149:193
150:115 151:116 152:91 153:119 154:6 155:250
156:125 157:176 158:168 159:148 160:97 161:88
162:228 163:162 164:459 165:294 166:247 167:282
168:497 169:120 170:383 171:15 172:1 189:156
190:358 192:5797 193:3685 194:2979 195:2332 196:994
198:3915 199:3352 200:4577 201:965 202:7188 203:7392
204:4107 205:2224 206:2646 207:3141 208:3144 209:3744
210:2392 211:932 212:1378 213:1486 214:396 215:39
216:4225 217:1182 218:365 219:264 220:864 221:370
222:236
End of report
