Routing Table Report 00:00 GMT Sat 30 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 216343
Prefixes after maximum aggregation: 113776
Unique aggregates announced to Internet: 100411
Total ASes present in the Internet Routing Table: 24094
Origin-only ASes present in the Internet Routing Table: 20969
Origin ASes announcing only one prefix: 10089
Transit ASes present in the Internet Routing Table: 3125
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 32
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 29
Unregistered ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1651527048
Equivalent to 98 /8s, 112 /16s and 77 /24s
Percentage of available address space announced: 44.6
Percentage of allocated address space announced: 63.2
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 112568
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 46680
Total APNIC prefixes after maximum aggregation: 18733
Prefixes being announced from the APNIC address blocks: 44175
Unique aggregates announced from the APNIC address blocks: 19040
APNIC Region origin ASes present in the Internet Routing Table: 2820
APNIC Region origin ASes announcing only one prefix: 782
APNIC Region transit ASes present in the Internet Routing Table: 426
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 273316608
Equivalent to 16 /8s, 74 /16s and 123 /24s
Percentage of available APNIC address space announced: 85.5
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: 109407
Total ARIN prefixes after maximum aggregation: 61855
Prefixes being announced from the ARIN address blocks: 81633
Unique aggregates announced from the ARIN address blocks: 28726
ARIN Region origin ASes present in the Internet Routing Table: 11254
ARIN Region origin ASes announcing only one prefix: 4287
ARIN Region transit ASes present in the Internet Routing Table: 1042
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 311565664
Equivalent to 18 /8s, 146 /16s and 29 /24s
Percentage of available ARIN address space announced: 68.8
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: 44072
Total RIPE prefixes after maximum aggregation: 28277
Prefixes being announced from the RIPE address blocks: 41048
Unique aggregates announced from the RIPE address blocks: 26450
RIPE Region origin ASes present in the Internet Routing Table: 9021
RIPE Region origin ASes announcing only one prefix: 4715
RIPE Region transit ASes present in the Internet Routing Table: 1463
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 283449760
Equivalent to 16 /8s, 229 /16s and 25 /24s
Percentage of available RIPE address space announced: 76.8
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: 13537
Total LACNIC prefixes after maximum aggregation: 3942
Prefixes being announced from the LACNIC address blocks: 11608
Unique aggregates announced from the LACNIC address blocks: 6775
LACNIC Region origin ASes present in the Internet Routing Table: 754
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 36003072
Equivalent to 2 /8s, 37 /16s and 93 /24s
Percentage of available LACNIC address space announced: 53.6
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: 2619
Total AfriNIC prefixes after maximum aggregation: 969
Prefixes being announced from the AfriNIC address blocks: 1873
Unique aggregates announced from the AfriNIC address blocks: 1069
AfriNIC Region origin ASes present in the Internet Routing Table: 173
AfriNIC Region origin ASes announcing only one prefix: 54
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 5328128
Equivalent to 0 /8s, 81 /16s and 77 /24s
Percentage of available AfriNIC address space announced: 15.9
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 1251 8609 260 CHINANET-BACKBONE
4755 1067 383 66 Videsh Sanchar Nigam Ltd. Aut
9583 1032 109 16 Sify Limited
9498 897 211 63 BHARTI BT INTERNET LTD.
23577 771 34 700 KRNIC
4766 758 4946 312 Korea Telecom (KIX)
1221 613 1714 456 Telstra Pty Ltd
17488 565 35 21 Hathway IP Over Cable Interne
7545 555 126 74 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 493 87 28 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
4812 438 758 69 China Telecom (Shanghai)
9942 438 81 132 COMindico Australia
17849 411 36 126 Telecommunications Technology
4802 409 86 148 Wantree Development
7474 382 211 237 SingTel Optus Pty Ltd
17557 365 35 172 Pakistan Telecom
2907 336 1749 311 SINET Japan
4837 331 3911 147 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1912 425 UUNET - Commercial IP service
3215 390 2104 96 France Telecom Transpac
24863 386 45 16 LINKdotNET AS number
3301 310 1199 292 TeliaNet Sweden
3320 300 4994 248 Deutsche Telekom AG
8220 275 474 265 COLT Telecommunications
6746 264 93 242 Dynamic Network Technologies,
680 253 2041 248 DFN-IP service G-WiN
1257 249 1069 172 SWIPnet Swedish IP Network
5089 244 1657 52 NTL Group Limited
8708 231 282 218 Romania Data Systems S.A.
9116 231 134 23 Goldenlines main autonomous s
3269 210 2373 73 TELECOM ITALIA
30890 208 19 90 SC Kappa Invexim SRL
5416 206 13 9 BATELCO-BH
3246 205 353 192 Song Networks
8551 199 197 24 Bezeq International
3300 186 171 99 AUCS Communications Services
3352 175 1767 31 Ibernet, Internet Access Netw
12479 174 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4854 6690 761 UUNET Technologies, Inc.
7018 1541 10246 996 AT&T WorldNet Services
705 1403 552 606 UUNET Technologies, Inc.
2386 1112 587 736 AT&T Data Communications Serv
4323 1057 820 299 Time Warner Telecom
6197 1021 638 500 BellSouth Network Solutions,
18566 983 272 8 Covad Communications
174 958 6791 871 Cogent Communications
11492 864 98 13 Cable One
1239 826 2730 579 Sprint
19262 804 2496 181 Verizon Global Networks
7046 796 251 653 UUNET Technologies, Inc.
721 778 21901 292 DLA Systems Automation Center
20115 766 667 411 Charter Communications
209 712 3762 560 Qwest
22773 711 1744 40 Cox Communications, Inc.
7011 686 211 431 Citizens Utilities
852 617 1092 391 Telus Advanced Communications
577 576 744 214 Bell Advanced Communications
19916 567 48 57 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
9583 1032 1016 Sify Limited
4755 1067 1001 Videsh Sanchar Nigam Ltd. Aut
4134 1251 991 CHINANET-BACKBONE
18566 983 975 Covad Communications
11492 864 851 Cable One
9498 897 834 BHARTI BT INTERNET LTD.
705 1403 797 UUNET Technologies, Inc.
4323 1057 758 Time Warner Telecom
22773 711 671 Cox Communications, Inc.
19262 804 623 Verizon Global Networks
8151 816 614 UniNet S.A. de C.V.
7018 1541 545 AT&T WorldNet Services
17488 565 544 Hathway IP Over Cable Interne
5668 551 532 CenturyTel Internet Holdings,
6197 1021 521 BellSouth Network Solutions,
19916 567 510 OLM LLC
11830 505 496 Instituto Costarricense de El
721 778 486 DLA Systems Automation Center
7545 555 481 TPG Internet Pty Ltd
15270 501 466 PaeTec.net -a division of Pae
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
65010 PRIVATE 135.196.7.112/29 8190 VIATEL
65019 PRIVATE 135.196.106.208/28 8190 VIATEL
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65422 PRIVATE 193.227.230.8/29 35731 Network Technology S
65414 PRIVATE 193.227.230.24/30 35731 Network Technology S
65422 PRIVATE 193.227.230.56/30 35731 Network Technology S
65418 PRIVATE 193.227.230.64/28 35731 Network Technology S
65420 PRIVATE 193.227.230.83/32 35731 Network Technology S
65413 PRIVATE 193.227.230.103/32 35731 Network Technology S
65422 PRIVATE 193.227.230.168/30 35731 Network Technology S
65100 PRIVATE 199.85.124.0/24 26788 Enersource Telecom I
65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si
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
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
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
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 /8:19 /9:10 /10:13 /11:30 /12:116
/13:240 /14:412 /15:801 /16:9146 /17:3686 /18:6034
/19:13130 /20:14788 /21:13251 /22:17003 /23:18442 /24:116550
/25:735 /26:534 /27:450 /28:197 /29:154 /30:493
/31:0 /32:108
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3610 4854 UUNET Technologies, Inc.
18566 966 983 Covad Communications
705 865 1403 UUNET Technologies, Inc.
9583 860 1032 Sify Limited
11492 850 864 Cable One
7018 832 1541 AT&T WorldNet Services
2386 829 1112 AT&T Data Communications Serv
6197 795 1021 BellSouth Network Solutions,
23577 757 771 KRNIC
7011 591 686 Citizens Utilities
4766 567 758 Korea Telecom (KIX)
19916 562 567 OLM LLC
9498 561 897 BHARTI BT INTERNET LTD.
7046 553 796 UUNET Technologies, Inc.
4755 484 1067 Videsh Sanchar Nigam Ltd. Aut
15270 469 501 PaeTec.net -a division of Pae
855 435 538 Canadian Research Network
18101 426 493 Reliance Infocom Ltd Internet
5668 423 551 CenturyTel Internet Holdings,
1239 403 826 Sprint
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:61 9:1 12:1673 13:1 15:13
16:3 17:3 18:5 20:36 24:859 25:1
32:176 38:273 40:56 41:57 44:2 47:10
52:4 53:1 55:1 56:3 57:51 58:283
59:352 60:226 61:992 62:1189 63:3335 64:3295
65:3626 66:3178 67:711 68:654 69:1707 70:405
71:130 72:1107 74:122 75:49 76:16 80:839
81:761 82:691 83:398 84:483 85:783 86:405
87:459 88:256 89:711 90:2 91:107 97:1
121:114 122:50 123:24 124:503 125:735 128:304
129:219 130:131 131:316 132:49 133:11 134:177
135:43 136:169 137:115 138:189 139:103 140:524
141:134 142:368 143:213 144:264 145:67 146:308
147:144 148:360 149:174 150:111 151:117 152:90
153:118 154:6 155:246 156:148 157:155 158:166
159:139 160:99 161:100 162:224 163:160 164:249
165:237 166:243 167:282 168:484 169:123 170:377
171:12 172:1 189:29 190:308 192:5788 193:3638
194:2931 195:2309 196:1005 198:3928 199:3356 200:4596
201:946 202:7036 203:7282 204:4115 205:2213 206:2664
207:3155 208:3075 209:3719 210:2261 211:928 212:1378
213:1503 214:386 215:39 216:4251 217:1333 218:361
219:266 220:839 221:380 222:265
End of report