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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 31 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 219090
Prefixes after maximum aggregation: 114588
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 101672
Total ASes present in the Internet Routing Table: 24308
Origin-only ASes present in the Internet Routing Table: 21097
Origin ASes announcing only one prefix: 10207
Transit ASes present in the Internet Routing Table: 3211
Transit-only ASes present in the Internet Routing Table: 78
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: 18
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: 1669399232
Equivalent to 99 /8s, 129 /16s and 2 /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: 114712
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47627
Total APNIC prefixes after maximum aggregation: 18880
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 44963
Unique aggregates announced from the APNIC address blocks: 19282
APNIC Region origin ASes present in the Internet Routing Table: 2846
APNIC Region origin ASes announcing only one prefix: 792
APNIC Region transit ASes present in the Internet Routing Table: 437
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 282482872
Equivalent to 16 /8s, 214 /16s and 88 /24s
Percentage of available APNIC address space announced: 70.0
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: 110311
Total ARIN prefixes after maximum aggregation: 62098
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 82265
Unique aggregates announced from the ARIN address blocks: 29134
ARIN Region origin ASes present in the Internet Routing Table: 11296
ARIN Region origin ASes announcing only one prefix: 4316
ARIN Region transit ASes present in the Internet Routing Table: 1087
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 315218144
Equivalent to 18 /8s, 201 /16s and 216 /24s
Percentage of available ARIN address space announced: 69.6
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: 44605
Total RIPE prefixes after maximum aggregation: 28586
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41451
Unique aggregates announced from the RIPE address blocks: 26688
RIPE Region origin ASes present in the Internet Routing Table: 9144
RIPE Region origin ASes announcing only one prefix: 4793
RIPE Region transit ASes present in the Internet Routing Table: 1477
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 287209376
Equivalent to 17 /8s, 30 /16s and 119 /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: 13911
Total LACNIC prefixes after maximum aggregation: 4032
LACNIC Deaggregation factor: 3.45
Prefixes being announced from the LACNIC address blocks: 11940
Unique aggregates announced from the LACNIC address blocks: 6927
LACNIC Region origin ASes present in the Internet Routing Table: 765
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: 4.6
Max LACNIC Region AS path length visible: 39
Number of LACNIC addresses announced to Internet: 36254240
Equivalent to 2 /8s, 41 /16s and 50 /24s
Percentage of available LACNIC address space announced: 54.0
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: 2619
Total AfriNIC prefixes after maximum aggregation: 990
AfriNIC Deaggregation factor: 2.65
Prefixes being announced from the AfriNIC address blocks: 1880
Unique aggregates announced from the AfriNIC address blocks: 1156
AfriNIC Region origin ASes present in the Internet Routing Table: 178
AfriNIC Region origin ASes announcing only one prefix: 54
AfriNIC Region transit ASes present in the Internet Routing Table: 33
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5373440
Equivalent to 0 /8s, 81 /16s and 254 /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 1277 8667 276 CHINANET-BACKBONE
4755 1092 383 73 Videsh Sanchar Nigam Ltd. Aut
9583 1043 109 16 Sify Limited
9498 937 467 64 BHARTI BT INTERNET LTD.
23577 771 34 699 Korea Telecom (ATM-MPLS)
4766 763 4944 313 Korea Telecom (KIX)
1221 611 1698 452 Telstra Pty Ltd
17488 592 37 21 Hathway IP Over Cable Interne
7545 561 126 75 TPG Internet Pty Ltd
18101 516 103 23 Reliance Infocom Ltd Internet
17676 504 10935 66 Softbank BB Corp.
4812 438 763 70 China Telecom (Shanghai)
9942 431 85 128 COMindico Australia
9443 417 111 73 Primus Telecommunications
7474 393 212 249 SingTel Optus Pty Ltd
17974 364 129 14 PT TELEKOMUNIKASI INDONESIA
4802 362 86 149 Wantree Development
17849 355 34 94 Telecommunications Technology
17557 347 34 167 Pakistan Telecom
2907 339 1749 310 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1897 424 UUNET - Commercial IP service
3215 385 2192 93 France Telecom Transpac
3301 305 1199 287 TeliaNet Sweden
24863 305 44 24 LINKdotNET AS number
3320 296 4993 247 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 213 18 89 SC Kappa Invexim SRL
3246 207 354 197 Song Networks
5416 206 13 9 BATELCO-BH
2119 204 760 176 Telenor Internet Access
8551 197 197 24 Bezeq International
20858 196 34 3 This AS will be used to conne
3300 189 171 94 AUCS Communications Services
3352 182 1767 31 Ibernet, Internet Access Netw
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4867 6695 747 UUNET Technologies, Inc.
7018 1551 10199 990 AT&T WorldNet Services
705 1397 553 601 UUNET Technologies, Inc.
2386 1105 569 730 AT&T Data Communications Serv
4323 1047 817 292 Time Warner Telecom
6197 1025 650 503 BellSouth Network Solutions,
18566 989 288 9 Covad Communications
174 934 6789 863 Cogent Communications
11492 914 100 16 Cable One
1239 830 2738 580 Sprint
19262 808 2576 180 Verizon Global Networks
7046 801 267 657 UUNET Technologies, Inc.
20115 797 692 414 Charter Communications
7011 733 219 456 Citizens Utilities
22773 722 1872 41 Cox Communications, Inc.
209 719 3750 565 Qwest
721 685 21836 280 DLA Systems Automation Center
852 622 1091 393 Telus Advanced Communications
577 584 760 206 Bell Advanced Communications
5668 580 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
9583 1043 1027 Sify Limited
4755 1092 1019 Videsh Sanchar Nigam Ltd. Aut
4134 1277 1001 CHINANET-BACKBONE
18566 989 980 Covad Communications
11492 914 898 Cable One
9498 937 873 BHARTI BT INTERNET LTD.
705 1397 796 UUNET Technologies, Inc.
4323 1047 755 Time Warner Telecom
8151 902 682 UniNet S.A. de C.V.
22773 722 681 Cox Communications, Inc.
19262 808 628 Verizon Global Networks
17488 592 571 Hathway IP Over Cable Interne
7018 1551 561 AT&T WorldNet Services
5668 580 561 CenturyTel Internet Holdings,
6197 1025 522 BellSouth Network Solutions,
19916 568 514 OLM LLC
11830 504 495 Instituto Costarricense de El
18101 516 493 Reliance Infocom Ltd Internet
855 564 492 Canadian Research Network
7545 561 486 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
64513 PRIVATE 124.30.171.0/24 9583 Sify Limited
64513 PRIVATE 124.30.172.0/24 9583 Sify Limited
64513 PRIVATE 124.30.173.0/24 9583 Sify Limited
64513 PRIVATE 124.30.174.0/24 9583 Sify Limited
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
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
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 /14:417 /15:817 /16:9242 /17:3740 /18:6101
/19:13179 /20:14842 /21:13394 /22:17284 /23:18656 /24:118323
/25:771 /26:542 /27:469 /28:185 /29:150 /30:469
/31:0 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3620 4867 UUNET Technologies, Inc.
18566 971 989 Covad Communications
11492 900 914 Cable One
9583 871 1043 Sify Limited
705 859 1397 UUNET Technologies, Inc.
7018 859 1551 AT&T WorldNet Services
2386 829 1105 AT&T Data Communications Serv
6197 795 1025 BellSouth Network Solutions,
23577 757 771 Korea Telecom (ATM-MPLS)
7011 635 733 Citizens Utilities
9498 594 937 BHARTI BT INTERNET LTD.
4766 571 763 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 554 801 UUNET Technologies, Inc.
4755 502 1092 Videsh Sanchar Nigam Ltd. Aut
15270 472 504 PaeTec.net -a division of Pae
855 464 564 Canadian Research Network
18101 447 516 Reliance Infocom Ltd Internet
5668 446 580 CenturyTel Internet Holdings,
17488 415 592 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:9 6:1 7:1 8:62 9:1
12:1670 13:1 15:15 16:3 17:3 18:5
20:38 24:876 25:1 32:172 38:280 40:57
41:66 44:2 47:10 52:4 55:1 56:3
57:52 58:306 59:374 60:203 61:920 62:1119
63:3332 64:3345 65:3663 66:3230 67:724 68:645
69:1735 70:431 71:133 72:1172 73:1 74:151
75:65 76:22 77:3 80:837 81:785 82:686
83:358 84:516 85:776 86:467 87:473 88:278
89:786 90:2 91:200 97:1 116:1 117:1
118:1 119:1 120:1 121:129 122:68 123:26
124:582 125:798 128:304 129:219 130:126 131:343
132:49 133:11 134:183 135:44 136:180 137:118
138:190 139:105 140:519 141:138 142:393 143:214
144:271 145:63 146:315 147:142 148:369 149:193
150:115 151:117 152:91 153:119 154:6 155:249
156:124 157:176 158:170 159:148 160:98 161:88
162:228 163:162 164:460 165:289 166:246 167:282
168:498 169:120 170:383 171:15 172:1 189:151
190:353 192:5800 193:3676 194:2971 195:2329 196:991
198:3910 199:3358 200:4637 201:967 202:7210 203:7343
204:4111 205:2221 206:2648 207:3144 208:3135 209:3727
210:2381 211:932 212:1351 213:1468 214:397 215:39
216:4236 217:1343 218:366 219:264 220:864 221:370
222:275
End of report
