Routing Table Report 04:00 +10GMT Thu 12 Jun, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 259188
Prefixes after maximum aggregation: 127996
Deaggregation factor: 2.02
Unique aggregates announced to Internet: 126449
Total ASes present in the Internet Routing Table: 28393
Prefixes per ASN: 9.13
Origin-only ASes present in the Internet Routing Table: 24758
Origin ASes announcing only one prefix: 11958
Transit ASes present in the Internet Routing Table: 3635
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (47189) 13
Prefixes from unregistered ASNs in the Routing Table: 620
Unregistered ASNs in the Routing Table: 227
Number of 32-bit ASNs allocated by the RIRs: 48
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 811
Number of addresses announced to Internet: 1874639232
Equivalent to 111 /8s, 188 /16s and 185 /24s
Percentage of available address space announced: 50.6
Percentage of allocated address space announced: 61.4
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.1
Total number of prefixes smaller than registry allocations: 125690
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59091
Total APNIC prefixes after maximum aggregation: 22074
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 56100
Unique aggregates announced from the APNIC address blocks: 24960
APNIC Region origin ASes present in the Internet Routing Table: 3269
APNIC Prefixes per ASN: 17.16
APNIC Region origin ASes announcing only one prefix: 863
APNIC Region transit ASes present in the Internet Routing Table: 507
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 351915424
Equivalent to 20 /8s, 249 /16s and 205 /24s
Percentage of available APNIC address space announced: 74.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 112/8, 113/8, 114/8,
115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8,
122/8, 123/8, 124/8, 125/8, 126/8, 202/8, 203/8,
210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 119599
Total ARIN prefixes after maximum aggregation: 65107
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 89500
Unique aggregates announced from the ARIN address blocks: 34679
ARIN Region origin ASes present in the Internet Routing Table: 12194
ARIN Prefixes per ASN: 7.34
ARIN Region origin ASes announcing only one prefix: 4727
ARIN Region transit ASes present in the Internet Routing Table: 1137
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356056000
Equivalent to 21 /8s, 56 /16s and 251 /24s
Percentage of available ARIN address space announced: 73.2
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, 46080-47103
ARIN Address Blocks 24/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 55765
Total RIPE prefixes after maximum aggregation: 33937
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 50927
Unique aggregates announced from the RIPE address blocks: 34103
RIPE Region origin ASes present in the Internet Routing Table: 11433
RIPE Prefixes per ASN: 4.45
RIPE Region origin ASes announcing only one prefix: 5983
RIPE Region transit ASes present in the Internet Routing Table: 1722
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 360762496
Equivalent to 21 /8s, 128 /16s and 204 /24s
Percentage of available RIPE address space announced: 82.7
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
40960-45055, 47104-48127
RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 20228
Total LACNIC prefixes after maximum aggregation: 5158
LACNIC Deaggregation factor: 3.92
Prefixes being announced from the LACNIC address blocks: 18454
Unique aggregates announced from the LACNIC address blocks: 10341
LACNIC Region origin ASes present in the Internet Routing Table: 954
LACNIC Prefixes per ASN: 19.34
LACNIC Region origin ASes announcing only one prefix: 306
LACNIC Region transit ASes present in the Internet Routing Table: 161
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 52330880
Equivalent to 3 /8s, 30 /16s and 129 /24s
Percentage of available LACNIC address space announced: 52.0
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 3887
Total AfriNIC prefixes after maximum aggregation: 1205
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4159
Unique aggregates announced from the AfriNIC address blocks: 1859
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.12
AfriNIC Region origin ASes announcing only one prefix: 79
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12312576
Equivalent to 0 /8s, 187 /16s and 224 /24s
Percentage of available AfriNIC address space announced: 36.7
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
4755 1643 387 89 Videsh Sanchar Nigam Ltd. Aut
9498 1180 550 62 BHARTI BT INTERNET LTD.
9583 1117 111 412 Sify Limited
17488 1100 76 74 Hathway IP Over Cable Interne
4766 845 6006 343 Korea Telecom (KIX)
4134 825 12917 322 CHINANET-BACKBONE
23577 821 34 703 Korea Telecom (ATM-MPLS)
18101 692 167 36 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 550 1919 423 Telstra Pty Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
209 3020 3874 622 Qwest
6389 2207 3103 182 bellsouth.net, inc.
4323 1469 1045 378 Time Warner Telecom
2386 1447 659 870 AT&T Data Communications Serv
7018 1371 5810 983 AT&T WorldNet Services
11492 1228 148 12 Cable One
1785 1069 510 105 AppliedTheory Corporation
18566 1044 296 10 Covad Communications
20115 1041 1063 565 Charter Communications
7011 1033 289 568 Citizens Utilities
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 411 1772 370 TDC Tele Danmark
8452 347 188 7 TEDATA
3301 338 1460 308 TeliaNet Sweden
8866 317 77 21 Bulgarian Telecommunication C
3320 316 7045 266 Deutsche Telekom AG
5462 292 666 27 Telewest Broadband
3215 285 2742 89 France Telecom Transpac
8551 283 269 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
9155 268 45 11 QualityNet AS number
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1244 2464 227 UniNet S.A. de C.V.
11830 603 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 466 229 66 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 413 85 46 ENTEL CHILE S.A.
11172 412 118 69 Servicios Alestra S.A de C.V
14117 375 23 9 Telefonica del Sur S.A.
10620 373 95 93 TVCABLE BOGOTA
20299 341 24 91 NEWCOM AMERICAS
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 475 61 30 LINKdotNET AS number
3741 282 853 223 The Internet Solution
20858 219 34 3 EgyNet
2018 192 189 82 Tertiary Education Network
5713 163 558 99 Telkom SA Ltd
6713 144 136 12 Itissalat Al-MAGHRIB
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 103 13 8 Ci Telecom Autonomous system
33776 90 6 7 Starcomms Nigeria Limited
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
209 3020 3874 622 Qwest
6389 2207 3103 182 bellsouth.net, inc.
4755 1643 387 89 Videsh Sanchar Nigam Ltd. Aut
4323 1469 1045 378 Time Warner Telecom
2386 1447 659 870 AT&T Data Communications Serv
7018 1371 5810 983 AT&T WorldNet Services
8151 1244 2464 227 UniNet S.A. de C.V.
11492 1228 148 12 Cable One
9498 1180 550 62 BHARTI BT INTERNET LTD.
9583 1117 111 412 Sify Limited
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2207 2025 bellsouth.net, inc.
4755 1643 1554 Videsh Sanchar Nigam Ltd. Aut
11492 1228 1216 Cable One
9498 1180 1118 BHARTI BT INTERNET LTD.
4323 1469 1091 Time Warner Telecom
18566 1044 1034 Covad Communications
17488 1100 1026 Hathway IP Over Cable Interne
8151 1244 1017 UniNet S.A. de C.V.
1785 1069 964 AppliedTheory Corporation
22773 943 881 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
Complete listing at http://thyme.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:16 /11:42 /12:142
/13:278 /14:514 /15:1022 /16:9950 /17:4337 /18:7355
/19:15676 /20:18290 /21:17841 /22:22215 /23:23173 /24:135729
/25:831 /26:906 /27:743 /28:83 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
209 1768 3020 Qwest
6389 1356 2207 bellsouth.net, inc.
11492 1210 1228 Cable One
2386 1144 1447 AT&T Data Communications Serv
18566 1025 1044 Covad Communications
4755 990 1643 Videsh Sanchar Nigam Ltd. Aut
9583 971 1117 Sify Limited
6298 944 959 Cox Communicatons
6478 943 944 AT&T Worldnet Services
7011 926 1033 Citizens Utilities
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:112 12:2051 13:1 15:22 16:3
17:5 18:13 20:35 24:1070 25:1 32:61
33:3 38:440 40:93 41:638 43:1 44:2
47:12 52:3 55:4 56:3 57:23 58:457
59:476 60:445 61:993 62:1094 63:2030 64:3326
65:2414 66:3695 67:1212 68:694 69:2261 70:673
71:126 72:1814 73:5 74:999 75:216 76:298
77:726 78:706 79:193 80:926 81:865 82:569
83:391 84:565 85:1008 86:421 87:694 88:313
89:1252 90:12 91:1268 92:186 93:568 94:16
96:33 97:22 98:197 99:3 100:1 111:1
114:29 116:675 117:331 118:143 119:439 120:56
121:535 122:782 123:340 124:847 125:1141 128:330
129:185 130:130 131:405 132:67 133:9 134:160
135:33 136:203 137:91 138:151 139:78 140:498
141:99 142:395 143:337 144:352 145:51 146:363
147:154 148:508 149:191 150:127 151:193 152:139
153:136 154:10 155:273 156:174 157:276 158:168
159:238 160:257 161:114 162:232 163:185 164:529
165:447 166:315 167:328 168:614 169:131 170:429
171:29 172:10 189:196 190:2081 192:5788 193:4090
194:3202 195:2459 196:1065 198:3739 199:3248 200:5588
201:1440 202:7627 203:7910 204:3965 205:2116 206:2395
207:2764 208:3355 209:3469 210:2525 211:1018 212:1390
213:1619 214:162 215:49 216:4420 217:1195 218:346
219:422 220:1080 221:469 222:306
End of report