Routing Table Report 00:00 GMT Sun 03 Dec, 2006
Analysis Summary
----------------
BGP routing table entries examined: 215898
Prefixes after maximum aggregation: 112991
Unique aggregates announced to Internet: 99573
Total ASes present in the Internet Routing Table: 23900
Origin-only ASes present in the Internet Routing Table: 20791
Origin ASes announcing only one prefix: 10005
Transit ASes present in the Internet Routing Table: 3109
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 30
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 22
Unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1653519404
Equivalent to 98 /8s, 142 /16s and 180 /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: 112356
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47237
Total APNIC prefixes after maximum aggregation: 18634
Prefixes being announced from the APNIC address blocks: 44712
Unique aggregates announced from the APNIC address blocks: 19040
APNIC Region origin ASes present in the Internet Routing Table: 2790
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: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 270898432
Equivalent to 16 /8s, 37 /16s and 149 /24s
Percentage of available APNIC address space announced: 84.7
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, 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: 109298
Total ARIN prefixes after maximum aggregation: 61583
Prefixes being announced from the ARIN address blocks: 81416
Unique aggregates announced from the ARIN address blocks: 28539
ARIN Region origin ASes present in the Internet Routing Table: 11212
ARIN Region origin ASes announcing only one prefix: 4252
ARIN Region transit ASes present in the Internet Routing Table: 1037
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 311505376
Equivalent to 18 /8s, 145 /16s and 49 /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: 43325
Total RIPE prefixes after maximum aggregation: 27872
Prefixes being announced from the RIPE address blocks: 40340
Unique aggregates announced from the RIPE address blocks: 26007
RIPE Region origin ASes present in the Internet Routing Table: 8899
RIPE Region origin ASes announcing only one prefix: 4682
RIPE Region transit ASes present in the Internet Routing Table: 1435
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 30
Number of RIPE addresses announced to Internet: 272707776
Equivalent to 16 /8s, 65 /16s and 48 /24s
Percentage of available RIPE address space announced: 73.9
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: 13448
Total LACNIC prefixes after maximum aggregation: 3929
Prefixes being announced from the LACNIC address blocks: 11455
Unique aggregates announced from the LACNIC address blocks: 6608
LACNIC Region origin ASes present in the Internet Routing Table: 751
LACNIC Region origin ASes announcing only one prefix: 242
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 35234048
Equivalent to 2 /8s, 25 /16s and 161 /24s
Percentage of available LACNIC address space announced: 52.5
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: 2568
Total AfriNIC prefixes after maximum aggregation: 973
Prefixes being announced from the AfriNIC address blocks: 1799
Unique aggregates announced from the AfriNIC address blocks: 1021
AfriNIC Region origin ASes present in the Internet Routing Table: 174
AfriNIC Region origin ASes announcing only one prefix: 51
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4504832
Equivalent to 0 /8s, 68 /16s and 189 /24s
Percentage of available AfriNIC address space announced: 13.4
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 1265 8509 249 CHINANET-BACKBONE
4755 1057 384 68 Videsh Sanchar Nigam Ltd. Aut
9583 1004 108 62 Sify Limited
4538 950 2846 35 China Education and Research
9498 890 212 60 BHARTI BT INTERNET LTD.
23577 778 35 708 KRNIC
4766 744 4945 306 Korea Telecom (KIX)
1221 620 1714 457 Telstra Pty Ltd
17488 556 35 20 Hathway IP Over Cable Interne
7545 549 126 74 TPG Internet Pty Ltd
17676 501 10934 65 Softbank BB Corp.
18101 490 87 23 Reliance Infocom Ltd Internet
4812 442 753 65 China Telecom (Shanghai)
9443 442 111 74 Primus Telecommunications
9942 437 81 130 COMindico Australia
17849 423 36 126 Telecommunications Technology
4802 412 86 150 Wantree Development
7474 372 211 230 SingTel Optus Pty Ltd
17557 368 32 174 Pakistan Telecom
17974 364 129 12 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 547 1928 426 UUNET - Commercial IP service
3215 408 2020 96 France Telecom Transpac
24863 379 44 15 LINKdotNET AS number
3301 308 1215 292 TeliaNet Sweden
3320 299 4992 246 Deutsche Telekom AG
8220 274 472 264 COLT Telecommunications
6746 260 92 237 Dynamic Network Technologies,
680 250 2041 246 DFN-IP service G-WiN
9116 231 134 23 Goldenlines main autonomous s
1257 229 1073 174 SWIPnet Swedish IP Network
8708 228 282 214 Romania Data Systems S.A.
3246 212 370 199 Song Networks
3269 208 2357 75 TELECOM ITALIA
5416 205 13 9 BATELCO-BH
30890 202 18 82 SC Kappa Invexim SRL
8551 199 197 24 Bezeq International
6830 185 823 39 UPC Distribution Services
3300 182 171 96 AUCS Communications Services
3352 172 1751 30 Ibernet, Internet Access Netw
786 171 1779 171 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4885 6708 777 UUNET Technologies, Inc.
7018 1562 10297 987 AT&T WorldNet Services
705 1432 556 631 UUNET Technologies, Inc.
2386 1106 570 735 AT&T Data Communications Serv
4323 1046 805 297 Time Warner Telecom
6197 1020 628 498 BellSouth Network Solutions,
18566 979 272 8 Covad Communications
174 946 6821 868 Cogent Communications
11492 839 98 14 Cable One
721 829 21905 298 DLA Systems Automation Center
1239 821 2729 573 Sprint
7046 803 251 658 UUNET Technologies, Inc.
19262 786 2452 177 Verizon Global Networks
20115 770 688 412 Charter Communications
209 710 3765 560 Qwest
22773 710 1744 41 Cox Communications, Inc.
7011 692 213 431 Citizens Utilities
852 610 1091 389 Telus Advanced Communications
19916 567 48 57 OLM LLC
6198 550 527 258 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1265 1016 CHINANET-BACKBONE
4755 1057 989 Videsh Sanchar Nigam Ltd. Aut
18566 979 971 Covad Communications
9583 1004 942 Sify Limited
4538 950 915 China Education and Research
9498 890 830 BHARTI BT INTERNET LTD.
11492 839 825 Cable One
705 1432 801 UUNET Technologies, Inc.
4323 1046 749 Time Warner Telecom
22773 710 669 Cox Communications, Inc.
19262 786 609 Verizon Global Networks
7018 1562 575 AT&T WorldNet Services
8151 759 551 UniNet S.A. de C.V.
17488 556 536 Hathway IP Over Cable Interne
721 829 531 DLA Systems Automation Center
5668 549 530 CenturyTel Internet Holdings,
6197 1020 522 BellSouth Network Solutions,
19916 567 510 OLM LLC
11830 506 497 Instituto Costarricense de El
7545 549 475 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64599 PRIVATE 64.200.115.0/24 32083 Omnispring
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
65010 PRIVATE 135.196.7.112/29 8190 VIATEL
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
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
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
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
176.16.0.0/16 7908 Comsat Argentina S.A.
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 /12:112
/13:230 /14:395 /15:794 /16:9154 /17:3673 /18:5962
/19:12941 /20:14623 /21:13415 /22:16919 /23:18419 /24:116558
/25:735 /26:524 /27:459 /28:200 /29:153 /30:497
/31:0 /32:63
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3628 4885 UUNET Technologies, Inc.
18566 962 979 Covad Communications
705 895 1432 UUNET Technologies, Inc.
7018 835 1562 AT&T WorldNet Services
9583 834 1004 Sify Limited
11492 825 839 Cable One
2386 824 1106 AT&T Data Communications Serv
6197 798 1020 BellSouth Network Solutions,
23577 764 778 KRNIC
7011 597 692 Citizens Utilities
19916 562 567 OLM LLC
7046 556 803 UUNET Technologies, Inc.
4766 555 744 Korea Telecom (KIX)
9498 545 890 BHARTI BT INTERNET LTD.
4538 529 950 China Education and Research
4755 480 1057 Videsh Sanchar Nigam Ltd. Aut
15270 459 489 PaeTec.net -a division of Pae
855 436 539 Canadian Research Network
5668 423 549 CenturyTel Internet Holdings,
18101 422 490 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:67 9:1 12:1662 13:1 15:15
16:3 17:3 18:4 20:39 24:846 25:1
32:177 38:269 40:57 41:33 44:2 47:8
52:4 53:1 55:1 56:3 57:52 58:280
59:369 60:210 61:969 62:1194 63:3346 64:3306
65:3628 66:3202 67:693 68:659 69:1735 70:398
71:113 72:1018 74:113 75:34 76:14 80:826
81:764 82:674 83:374 84:496 85:758 86:421
87:447 88:279 89:633 90:1 91:101 97:1
121:85 122:32 123:3 124:491 125:736 128:312
129:205 130:126 131:323 132:48 133:11 134:178
135:42 136:180 137:116 138:187 139:100 140:524
141:135 142:368 143:213 144:253 145:67 146:312
147:142 148:361 149:174 150:109 151:118 152:83
153:110 154:6 155:262 156:148 157:146 158:166
159:139 160:103 161:90 162:218 163:161 164:283
165:236 166:244 167:274 168:488 169:124 170:393
171:12 172:1 189:13 190:314 192:5825 193:3617
194:2909 195:2278 196:978 198:3935 199:3370 200:4593
201:932 202:7208 203:7275 204:4102 205:2224 206:2649
207:3166 208:3060 209:3695 210:2408 211:978 212:1404
213:1523 214:383 215:39 216:4276 217:1349 218:367
219:287 220:816 221:374 222:259
End of report
