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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 24 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 217916
Prefixes after maximum aggregation: 114237
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 100955
Total ASes present in the Internet Routing Table: 24245
Origin-only ASes present in the Internet Routing Table: 21035
Origin ASes announcing only one prefix: 10211
Transit ASes present in the Internet Routing Table: 3210
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 39
Max AS path prepend of ASN (14282) 36
Prefixes from unregistered ASNs in the Routing Table: 15
Unregistered ASNs in the Routing Table: 12
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 27
Number of addresses announced to Internet: 1659942952
Equivalent to 98 /8s, 240 /16s and 184 /24s
Percentage of available address space announced: 44.8
Percentage of allocated address space announced: 63.5
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 114011
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47153
Total APNIC prefixes after maximum aggregation: 18723
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 44501
Unique aggregates announced from the APNIC address blocks: 19022
APNIC Region origin ASes present in the Internet Routing Table: 2813
APNIC Region origin ASes announcing only one prefix: 787
APNIC Region transit ASes present in the Internet Routing Table: 433
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 276101664
Equivalent to 16 /8s, 116 /16s and 250 /24s
Percentage of available APNIC address space announced: 86.3
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: 110085
Total ARIN prefixes after maximum aggregation: 62005
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 82065
Unique aggregates announced from the ARIN address blocks: 28941
ARIN Region origin ASes present in the Internet Routing Table: 11307
ARIN Region origin ASes announcing only one prefix: 4326
ARIN Region transit ASes present in the Internet Routing Table: 1079
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 313887200
Equivalent to 18 /8s, 181 /16s and 137 /24s
Percentage of available ARIN address space announced: 69.3
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: 44284
Total RIPE prefixes after maximum aggregation: 28527
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 41174
Unique aggregates announced from the RIPE address blocks: 26604
RIPE Region origin ASes present in the Internet Routing Table: 9111
RIPE Region origin ASes announcing only one prefix: 4790
RIPE Region transit ASes present in the Internet Routing Table: 1493
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 286468512
Equivalent to 17 /8s, 19 /16s and 41 /24s
Percentage of available RIPE address space announced: 77.6
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: 13778
Total LACNIC prefixes after maximum aggregation: 3999
LACNIC Deaggregation factor: 3.45
Prefixes being announced from the LACNIC address blocks: 11793
Unique aggregates announced from the LACNIC address blocks: 6868
LACNIC Region origin ASes present in the Internet Routing Table: 762
LACNIC Region origin ASes announcing only one prefix: 253
LACNIC Region transit ASes present in the Internet Routing Table: 138
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 39
Number of LACNIC addresses announced to Internet: 36396800
Equivalent to 2 /8s, 43 /16s and 95 /24s
Percentage of available LACNIC address space announced: 54.2
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: 2603
Total AfriNIC prefixes after maximum aggregation: 982
AfriNIC Deaggregation factor: 2.65
Prefixes being announced from the AfriNIC address blocks: 1861
Unique aggregates announced from the AfriNIC address blocks: 1097
AfriNIC Region origin ASes present in the Internet Routing Table: 175
AfriNIC Region origin ASes announcing only one prefix: 55
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5361664
Equivalent to 0 /8s, 81 /16s and 208 /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 1271 8639 271 CHINANET-BACKBONE
4755 1091 383 74 Videsh Sanchar Nigam Ltd. Aut
9583 1035 109 16 Sify Limited
9498 929 467 64 BHARTI BT INTERNET LTD.
23577 774 34 702 Korea Telecom (ATM-MPLS)
4766 762 4944 312 Korea Telecom (KIX)
1221 609 1697 452 Telstra Pty Ltd
17488 584 36 20 Hathway IP Over Cable Interne
7545 552 126 74 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 435 759 68 China Telecom (Shanghai)
9942 431 85 128 COMindico Australia
7474 389 212 243 SingTel Optus Pty Ltd
4802 363 86 149 Wantree Development
17974 355 129 14 PT TELEKOMUNIKASI INDONESIA
17557 353 35 171 Pakistan Telecom
17849 353 33 93 Telecommunications Technology
2907 335 1749 310 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1880 425 UUNET - Commercial IP service
24863 388 45 15 LINKdotNET AS number
3215 387 2144 91 France Telecom Transpac
3301 305 1199 287 TeliaNet Sweden
3320 300 4994 250 Deutsche Telekom AG
6746 271 95 248 Dynamic Network Technologies,
8220 268 469 259 COLT Telecommunications
680 257 2044 251 DFN-IP service G-WiN
1257 251 1073 174 SWIPnet Swedish IP Network
5089 236 1657 52 NTL Group Limited
8708 232 283 220 Romania Data Systems S.A.
3269 213 2391 71 TELECOM ITALIA
30890 211 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
2119 185 756 162 Telenor Internet Access
3300 184 171 92 AUCS Communications Services
3352 178 1767 31 Ibernet, Internet Access Netw
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4850 6692 748 UUNET Technologies, Inc.
7018 1533 6085 982 AT&T WorldNet Services
705 1403 552 606 UUNET Technologies, Inc.
2386 1108 585 732 AT&T Data Communications Serv
4323 1062 818 297 Time Warner Telecom
6197 1021 645 499 BellSouth Network Solutions,
18566 987 272 8 Covad Communications
174 937 6789 866 Cogent Communications
11492 912 99 14 Cable One
1239 826 2714 578 Sprint
19262 808 2576 180 Verizon Global Networks
7046 799 267 656 UUNET Technologies, Inc.
20115 788 685 417 Charter Communications
7011 724 217 449 Citizens Utilities
22773 722 1744 42 Cox Communications, Inc.
209 716 3734 566 Qwest
721 707 21853 285 DLA Systems Automation Center
852 623 1093 394 Telus Advanced Communications
577 584 760 206 Bell Advanced Communications
5668 571 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
9583 1035 1019 Sify Limited
4755 1091 1017 Videsh Sanchar Nigam Ltd. Aut
4134 1271 1000 CHINANET-BACKBONE
18566 987 979 Covad Communications
11492 912 898 Cable One
9498 929 865 BHARTI BT INTERNET LTD.
705 1403 797 UUNET Technologies, Inc.
4323 1062 765 Time Warner Telecom
22773 722 680 Cox Communications, Inc.
8151 851 647 UniNet S.A. de C.V.
19262 808 628 Verizon Global Networks
17488 584 564 Hathway IP Over Cable Interne
5668 571 552 CenturyTel Internet Holdings,
7018 1533 551 AT&T WorldNet Services
6197 1021 522 BellSouth Network Solutions,
19916 568 514 OLM LLC
11830 504 495 Instituto Costarricense de El
18101 515 488 Reliance Infocom Ltd Internet
855 558 485 Canadian Research Network
7545 552 478 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
64512 PRIVATE 144.16.192.0/24 9583 Sify Limited
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
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
116.0.0.0/24 12654 RIPE NCC RIS Project
116.50.0.0/21 12654 RIPE NCC RIS Project
116.255.0.0/16 12654 RIPE NCC RIS Project
117.0.0.0/24 12654 RIPE NCC RIS Project
117.50.0.0/21 12654 RIPE NCC RIS Project
117.255.0.0/16 12654 RIPE NCC RIS Project
118.0.0.0/24 12654 RIPE NCC RIS Project
118.50.0.0/21 12654 RIPE NCC RIS Project
118.255.0.0/16 12654 RIPE NCC RIS Project
119.0.0.0/24 12654 RIPE NCC RIS Project
119.50.0.0/21 12654 RIPE NCC RIS Project
119.255.0.0/16 12654 RIPE NCC RIS Project
120.0.0.0/24 12654 RIPE NCC RIS Project
120.50.0.0/21 12654 RIPE NCC RIS Project
120.255.0.0/16 12654 RIPE NCC RIS Project
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 /11:32 /12:118
/13:239 /14:414 /15:815 /16:9150 /17:3739 /18:6072
/19:13120 /20:14763 /21:13333 /22:17149 /23:18556 /24:117737
/25:770 /26:537 /27:463 /28:183 /29:147 /30:462
/31:0 /32:75
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3606 4850 UUNET Technologies, Inc.
18566 970 987 Covad Communications
11492 898 912 Cable One
705 863 1403 UUNET Technologies, Inc.
9583 863 1035 Sify Limited
7018 846 1533 AT&T WorldNet Services
2386 831 1108 AT&T Data Communications Serv
6197 794 1021 BellSouth Network Solutions,
23577 760 774 Korea Telecom (ATM-MPLS)
7011 627 724 Citizens Utilities
9498 587 929 BHARTI BT INTERNET LTD.
4766 570 762 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 553 799 UUNET Technologies, Inc.
4755 500 1091 Videsh Sanchar Nigam Ltd. Aut
15270 468 500 PaeTec.net -a division of Pae
855 458 558 Canadian Research Network
18101 447 515 Reliance Infocom Ltd Internet
5668 436 571 CenturyTel Internet Holdings,
1239 407 826 Sprint
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:61 9:1 12:1679 13:1
15:15 16:3 17:3 18:5 20:38 24:875
25:1 32:175 38:277 40:57 41:54 44:2
47:10 52:4 55:1 56:3 57:43 58:294
59:376 60:200 61:975 62:1178 63:3334 64:3307
65:3670 66:3228 67:731 68:639 69:1730 70:421
71:132 72:1134 73:1 74:142 75:62 76:22
77:1 80:835 81:781 82:695 83:360 84:502
85:774 86:437 87:472 88:205 89:769 90:2
91:146 97:1 116:1 117:1 118:1 119:1
120:1 121:129 122:66 123:25 124:570 125:785
128:307 129:220 130:125 131:317 132:49 133:11
134:183 135:44 136:180 137:118 138:190 139:104
140:522 141:137 142:388 143:213 144:267 145:67
146:321 147:141 148:366 149:192 150:113 151:117
152:91 153:119 154:6 155:250 156:165 157:170
158:169 159:147 160:99 161:104 162:226 163:162
164:458 165:285 166:227 167:279 168:496 169:121
170:379 171:15 172:1 189:73 190:351 192:5787
193:3668 194:2963 195:2320 196:989 198:3922 199:3359
200:4614 201:958 202:7156 203:7249 204:4104 205:2210
206:2657 207:3149 208:3120 209:3691 210:2335 211:932
212:1374 213:1476 214:393 215:38 216:4248 217:1338
218:370 219:267 220:856 221:376 222:279
End of report
