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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 27 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 218740
Prefixes after maximum aggregation: 114446
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 100492
Total ASes present in the Internet Routing Table: 24259
Origin-only ASes present in the Internet Routing Table: 21099
Origin ASes announcing only one prefix: 10176
Transit ASes present in the Internet Routing Table: 3160
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 33
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 15
Unregistered ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1668048872
Equivalent to 99 /8s, 108 /16s and 103 /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: 114397
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47507
Total APNIC prefixes after maximum aggregation: 18831
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 44873
Unique aggregates announced from the APNIC address blocks: 18430
APNIC Region origin ASes present in the Internet Routing Table: 2834
APNIC Region origin ASes announcing only one prefix: 778
APNIC Region transit ASes present in the Internet Routing Table: 434
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 281232800
Equivalent to 16 /8s, 195 /16s and 69 /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: 110141
Total ARIN prefixes after maximum aggregation: 62123
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 82143
Unique aggregates announced from the ARIN address blocks: 29077
ARIN Region origin ASes present in the Internet Routing Table: 11298
ARIN Region origin ASes announcing only one prefix: 4317
ARIN Region transit ASes present in the Internet Routing Table: 1040
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 314949344
Equivalent to 18 /8s, 197 /16s and 190 /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: 44554
Total RIPE prefixes after maximum aggregation: 28516
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41410
Unique aggregates announced from the RIPE address blocks: 26556
RIPE Region origin ASes present in the Internet Routing Table: 9121
RIPE Region origin ASes announcing only one prefix: 4778
RIPE Region transit ASes present in the Internet Routing Table: 1485
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 287296928
Equivalent to 17 /8s, 31 /16s and 205 /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: 13907
Total LACNIC prefixes after maximum aggregation: 3981
LACNIC Deaggregation factor: 3.49
Prefixes being announced from the LACNIC address blocks: 11932
Unique aggregates announced from the LACNIC address blocks: 6900
LACNIC Region origin ASes present in the Internet Routing Table: 760
LACNIC Region origin ASes announcing only one prefix: 250
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 36501248
Equivalent to 2 /8s, 44 /16s and 247 /24s
Percentage of available LACNIC address space announced: 54.4
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: 2618
Total AfriNIC prefixes after maximum aggregation: 994
AfriNIC Deaggregation factor: 2.63
Prefixes being announced from the AfriNIC address blocks: 1885
Unique aggregates announced from the AfriNIC address blocks: 1099
AfriNIC Region origin ASes present in the Internet Routing Table: 177
AfriNIC Region origin ASes announcing only one prefix: 53
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 5361408
Equivalent to 0 /8s, 81 /16s and 207 /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 1282 8668 276 CHINANET-BACKBONE
4755 1091 383 74 Videsh Sanchar Nigam Ltd. Aut
9583 1019 109 17 Sify Limited
9498 930 467 64 BHARTI BT INTERNET LTD.
23577 773 34 700 Korea Telecom (ATM-MPLS)
4766 763 4944 313 Korea Telecom (KIX)
1221 606 1697 450 Telstra Pty Ltd
17488 588 37 20 Hathway IP Over Cable Interne
7545 560 126 74 TPG Internet Pty Ltd
18101 513 103 26 Reliance Infocom Ltd Internet
17676 503 10935 66 Softbank BB Corp.
9443 442 111 74 Primus Telecommunications
4812 434 763 69 China Telecom (Shanghai)
9942 430 85 127 COMindico Australia
7474 389 212 245 SingTel Optus Pty Ltd
17974 364 129 14 PT TELEKOMUNIKASI INDONESIA
4802 362 86 149 Wantree Development
17849 353 33 93 Telecommunications Technology
17557 352 35 166 Pakistan Telecom
2907 338 1733 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
24863 389 45 16 LINKdotNET AS number
3301 305 1199 287 TeliaNet Sweden
3320 297 4993 248 Deutsche Telekom AG
8220 273 474 264 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.
3269 213 2391 71 TELECOM ITALIA
30890 212 18 91 SC Kappa Invexim SRL
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 188 171 95 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
701 4886 6696 750 UUNET Technologies, Inc.
7018 1560 10221 999 AT&T WorldNet Services
705 1399 552 603 UUNET Technologies, Inc.
2386 1099 585 723 AT&T Data Communications Serv
4323 1050 817 293 Time Warner Telecom
6197 1023 647 501 BellSouth Network Solutions,
18566 989 288 9 Covad Communications
174 932 6788 861 Cogent Communications
11492 912 99 15 Cable One
1239 837 2747 583 Sprint
19262 808 2576 180 Verizon Global Networks
7046 801 267 657 UUNET Technologies, Inc.
20115 795 689 412 Charter Communications
7011 731 218 454 Citizens Utilities
22773 723 1872 41 Cox Communications, Inc.
209 719 3750 565 Qwest
721 685 21836 280 DLA Systems Automation Center
852 623 1091 394 Telus Advanced Communications
5668 576 161 19 CenturyTel Internet Holdings,
19916 568 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1091 1017 Videsh Sanchar Nigam Ltd. Aut
4134 1282 1006 CHINANET-BACKBONE
9583 1019 1002 Sify Limited
18566 989 980 Covad Communications
11492 912 897 Cable One
9498 930 866 BHARTI BT INTERNET LTD.
705 1399 796 UUNET Technologies, Inc.
4323 1050 757 Time Warner Telecom
8151 911 708 UniNet S.A. de C.V.
22773 723 682 Cox Communications, Inc.
19262 808 628 Verizon Global Networks
17488 588 568 Hathway IP Over Cable Interne
7018 1560 561 AT&T WorldNet Services
5668 576 557 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 513 487 Reliance Infocom Ltd Internet
7545 560 486 TPG Internet Pty Ltd
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
23456 UNALLOCATED 203.10.62.0/24 1221 Telstra Pty Ltd
65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si
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
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 /8:20 /9:10 /10:13 /11:33 /12:117
/13:238 /14:416 /15:818 /16:9245 /17:3746 /18:6068
/19:13178 /20:14817 /21:13350 /22:17232 /23:18620 /24:118177
/25:767 /26:536 /27:463 /28:183 /29:148 /30:465
/31:0 /32:80
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3635 4886 UUNET Technologies, Inc.
18566 971 989 Covad Communications
11492 898 912 Cable One
705 861 1399 UUNET Technologies, Inc.
7018 861 1560 AT&T WorldNet Services
9583 852 1019 Sify Limited
2386 825 1099 AT&T Data Communications Serv
6197 795 1023 BellSouth Network Solutions,
23577 759 773 Korea Telecom (ATM-MPLS)
7011 634 731 Citizens Utilities
9498 587 930 BHARTI BT INTERNET LTD.
4766 571 763 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 554 801 UUNET Technologies, Inc.
4755 501 1091 Videsh Sanchar Nigam Ltd. Aut
15270 468 500 PaeTec.net -a division of Pae
855 464 565 Canadian Research Network
18101 445 513 Reliance Infocom Ltd Internet
5668 442 576 CenturyTel Internet Holdings,
17488 411 588 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:61 9:1 12:1671 13:1
15:15 16:3 17:3 18:5 20:36 24:877
25:1 32:151 38:277 40:57 41:66 44:2
47:10 52:4 55:1 56:3 57:43 58:299
59:362 60:204 61:968 62:1177 63:3336 64:3328
65:3668 66:3229 67:733 68:635 69:1733 70:429
71:133 72:1143 73:1 74:149 75:64 76:22
80:841 81:783 82:695 83:359 84:503 85:771
86:465 87:474 88:276 89:776 90:2 91:177
97:1 116:1 117:1 118:1 119:1 120:1
121:130 122:68 123:26 124:569 125:786 128:303
129:221 130:126 131:318 132:49 133:11 134:182
135:44 136:180 137:118 138:190 139:91 140:521
141:134 142:393 143:213 144:268 145:66 146:318
147:141 148:367 149:193 150:115 151:117 152:90
153:119 154:6 155:250 156:125 157:174 158:170
159:147 160:97 161:91 162:228 163:161 164:459
165:288 166:246 167:281 168:498 169:121 170:375
171:15 172:1 189:131 190:357 192:5794 193:3675
194:2965 195:2334 196:1001 198:3926 199:3354 200:4645
201:961 202:7199 203:7330 204:4117 205:2208 206:2668
207:3153 208:3135 209:3709 210:2353 211:930 212:1371
213:1474 214:395 215:39 216:4226 217:1337 218:372
219:268 220:861 221:373 222:277
End of report
