Routing Table Report 00:00 GMT Fri 08 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 215935
Prefixes after maximum aggregation: 113404
Unique aggregates announced to Internet: 100069
Total ASes present in the Internet Routing Table: 23933
Origin-only ASes present in the Internet Routing Table: 20775
Origin ASes announcing only one prefix: 10020
Transit ASes present in the Internet Routing Table: 3158
Transit-only ASes present in the Internet Routing Table: 79
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: 25
Unregistered ASNs in the Routing Table: 16
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1654172525
Equivalent to 98 /8s, 152 /16s and 171 /24s
Percentage of available address space announced: 44.6
Percentage of allocated address space announced: 63.3
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 112433
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47290
Total APNIC prefixes after maximum aggregation: 18889
Prefixes being announced from the APNIC address blocks: 44769
Unique aggregates announced from the APNIC address blocks: 19482
APNIC Region origin ASes present in the Internet Routing Table: 2804
APNIC Region origin ASes announcing only one prefix: 785
APNIC Region transit ASes present in the Internet Routing Table: 427
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 271653632
Equivalent to 16 /8s, 49 /16s and 27 /24s
Percentage of available APNIC address space announced: 84.9
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: 109000
Total ARIN prefixes after maximum aggregation: 61640
Prefixes being announced from the ARIN address blocks: 81138
Unique aggregates announced from the ARIN address blocks: 28459
ARIN Region origin ASes present in the Internet Routing Table: 11223
ARIN Region origin ASes announcing only one prefix: 4267
ARIN Region transit ASes present in the Internet Routing Table: 1081
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 310440288
Equivalent to 18 /8s, 128 /16s and 241 /24s
Percentage of available ARIN address space announced: 68.5
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: 43491
Total RIPE prefixes after maximum aggregation: 27942
Prefixes being announced from the RIPE address blocks: 40470
Unique aggregates announced from the RIPE address blocks: 26102
RIPE Region origin ASes present in the Internet Routing Table: 8903
RIPE Region origin ASes announcing only one prefix: 4673
RIPE Region transit ASes present in the Internet Routing Table: 1444
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 30
Number of RIPE addresses announced to Internet: 273412481
Equivalent to 16 /8s, 75 /16s and 241 /24s
Percentage of available RIPE address space announced: 74.1
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: 13542
Total LACNIC prefixes after maximum aggregation: 3954
Prefixes being announced from the LACNIC address blocks: 11504
Unique aggregates announced from the LACNIC address blocks: 6639
LACNIC Region origin ASes present in the Internet Routing Table: 752
LACNIC Region origin ASes announcing only one prefix: 246
LACNIC Region transit ASes present in the Internet Routing Table: 139
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 39
Number of LACNIC addresses announced to Internet: 35326720
Equivalent to 2 /8s, 27 /16s and 11 /24s
Percentage of available LACNIC address space announced: 52.6
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: 2588
Total AfriNIC prefixes after maximum aggregation: 979
Prefixes being announced from the AfriNIC address blocks: 1832
Unique aggregates announced from the AfriNIC address blocks: 1047
AfriNIC Region origin ASes present in the Internet Routing Table: 172
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 30
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 4780288
Equivalent to 0 /8s, 72 /16s and 241 /24s
Percentage of available AfriNIC address space announced: 14.2
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 1259 8526 251 CHINANET-BACKBONE
4755 1054 383 66 Videsh Sanchar Nigam Ltd. Aut
9583 1003 86 275 Sify Limited
4538 951 2846 35 China Education and Research
9498 892 212 65 BHARTI BT INTERNET LTD.
23577 777 35 707 KRNIC
4766 744 4945 306 Korea Telecom (KIX)
1221 622 1698 458 Telstra Pty Ltd
17488 556 35 20 Hathway IP Over Cable Interne
7545 551 126 74 TPG Internet Pty Ltd
17676 501 10934 65 Softbank BB Corp.
18101 490 87 23 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 437 81 130 COMindico Australia
4812 431 753 65 China Telecom (Shanghai)
17849 423 36 126 Telecommunications Technology
4802 414 86 151 Wantree Development
7474 374 211 231 SingTel Optus Pty Ltd
17974 358 129 12 PT TELEKOMUNIKASI INDONESIA
17557 350 30 166 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1928 425 UUNET - Commercial IP service
3215 411 2104 96 France Telecom Transpac
24863 382 45 15 LINKdotNET AS number
3301 309 1199 293 TeliaNet Sweden
3320 297 4992 245 Deutsche Telekom AG
8220 276 474 265 COLT Telecommunications
6746 261 92 238 Dynamic Network Technologies,
680 252 2041 248 DFN-IP service G-WiN
1257 252 1073 174 SWIPnet Swedish IP Network
8708 228 281 215 Romania Data Systems S.A.
9116 216 134 23 Goldenlines main autonomous s
3269 208 2357 75 TELECOM ITALIA
3246 205 353 192 Song Networks
5416 205 13 9 BATELCO-BH
30890 205 18 85 SC Kappa Invexim SRL
8551 200 198 23 Bezeq International
6830 185 823 39 UPC Distribution Services
3300 184 171 98 AUCS Communications Services
786 172 1795 172 The JANET IP Service
3352 172 1751 30 Ibernet, Internet Access Netw
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4879 6706 771 UUNET Technologies, Inc.
7018 1546 6165 974 AT&T WorldNet Services
705 1434 556 633 UUNET Technologies, Inc.
2386 1109 586 737 AT&T Data Communications Serv
4323 1051 803 296 Time Warner Telecom
6197 1019 638 510 BellSouth Network Solutions,
18566 980 272 8 Covad Communications
174 970 6826 882 Cogent Communications
11492 845 98 11 Cable One
1239 835 2747 585 Sprint
721 817 21889 294 DLA Systems Automation Center
7046 807 251 662 UUNET Technologies, Inc.
19262 784 2454 178 Verizon Global Networks
20115 771 689 414 Charter Communications
22773 711 1744 41 Cox Communications, Inc.
209 706 3761 557 Qwest
7011 693 211 430 Citizens Utilities
852 610 1091 389 Telus Advanced Communications
19916 567 48 57 OLM LLC
6198 551 527 258 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1259 1008 CHINANET-BACKBONE
4755 1054 988 Videsh Sanchar Nigam Ltd. Aut
18566 980 972 Covad Communications
4538 951 916 China Education and Research
11492 845 834 Cable One
9498 892 827 BHARTI BT INTERNET LTD.
705 1434 801 UUNET Technologies, Inc.
4323 1051 755 Time Warner Telecom
9583 1003 728 Sify Limited
22773 711 670 Cox Communications, Inc.
19262 784 606 Verizon Global Networks
7018 1546 572 AT&T WorldNet Services
8151 777 569 UniNet S.A. de C.V.
17488 556 536 Hathway IP Over Cable Interne
5668 546 527 CenturyTel Internet Holdings,
721 817 523 DLA Systems Automation Center
19916 567 510 OLM LLC
6197 1019 509 BellSouth Network Solutions,
11830 506 497 Instituto Costarricense de El
7545 551 477 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65509 PRIVATE 84.221.16.0/23 3257 Tiscali Intl Network
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65006 PRIVATE 89.28.32.0/21 31252 StarNet Communicatio
65010 PRIVATE 135.196.7.112/29 8190 VIATEL
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
65016 PRIVATE 212.2.26.64/29 8190 VIATEL
65016 PRIVATE 212.2.31.184/30 8190 VIATEL
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
65526 PRIVATE 213.205.19.128/28 3257 Tiscali Intl Network
65526 PRIVATE 213.205.19.144/28 3257 Tiscali Intl Network
65533 PRIVATE 213.213.213.213/32 3257 Tiscali Intl Network
65018 PRIVATE 213.235.24.216/29 8190 VIATEL
65010 PRIVATE 213.235.29.224/29 8190 VIATEL
65013 PRIVATE 213.235.33.0/27 8190 VIATEL
65017 PRIVATE 213.235.48.96/28 8190 VIATEL
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
0.0.0.0/0 286 KPNQwest Backbone AS
192.0.2.0/24 2854 RoSprint AS (Global One Russi
192.168.83.0/24 292 Energy Sciences Network
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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
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
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:10 /10:13 /11:28 /12:113
/13:233 /14:398 /15:796 /16:9115 /17:3673 /18:5956
/19:12932 /20:14643 /21:13318 /22:16907 /23:18459 /24:116552
/25:751 /26:560 /27:492 /28:201 /29:154 /30:503
/31:0 /32:107
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3626 4879 UUNET Technologies, Inc.
18566 963 980 Covad Communications
705 896 1434 UUNET Technologies, Inc.
9583 837 1003 Sify Limited
11492 831 845 Cable One
2386 829 1109 AT&T Data Communications Serv
7018 828 1546 AT&T WorldNet Services
6197 795 1019 BellSouth Network Solutions,
23577 763 777 KRNIC
7011 598 693 Citizens Utilities
19916 562 567 OLM LLC
7046 560 807 UUNET Technologies, Inc.
4766 555 744 Korea Telecom (KIX)
9498 546 892 BHARTI BT INTERNET LTD.
4538 529 951 China Education and Research
4755 479 1054 Videsh Sanchar Nigam Ltd. Aut
15270 462 492 PaeTec.net -a division of Pae
855 436 539 Canadian Research Network
18101 422 490 Reliance Infocom Ltd Internet
5668 419 546 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:61 9:1 12:1666 13:1 15:15
16:3 17:3 18:4 20:39 24:849 25:1
32:176 38:266 40:57 41:47 44:2 47:8
52:4 53:1 55:1 56:3 57:51 58:282
59:382 60:219 61:971 62:1187 63:3346 64:3312
65:3627 66:3190 67:697 68:660 69:1729 70:400
71:114 72:1017 74:113 75:42 76:15 77:2
80:824 81:778 82:675 83:385 84:494 85:731
86:423 87:444 88:269 89:649 90:1 91:95
97:1 121:85 122:40 123:3 124:475 125:741
128:311 129:207 130:128 131:318 132:48 133:11
134:177 135:41 136:180 137:116 138:189 139:99
140:522 141:135 142:367 143:215 144:256 145:67
146:324 147:142 148:365 149:175 150:110 151:118
152:83 153:116 154:6 155:262 156:148 157:168
158:167 159:139 160:98 161:89 162:218 163:162
164:282 165:236 166:243 167:278 168:493 169:123
170:395 171:12 172:1 189:27 190:320 192:5827
193:3629 194:2907 195:2281 196:992 198:3943 199:3374
200:4601 201:936 202:7147 203:7274 204:4102 205:2209
206:2650 207:3152 208:3070 209:3695 210:2397 211:976
212:1424 213:1482 214:391 215:36 216:4259 217:1337
218:369 219:281 220:816 221:368 222:254
End of report