Routing Table Report 04:00 +10GMT Sun 30 Nov, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 275604
Prefixes after maximum aggregation: 131973
Deaggregation factor: 2.09
Unique aggregates announced to Internet: 133646
Total ASes present in the Internet Routing Table: 29932
Prefixes per ASN: 9.21
Origin-only ASes present in the Internet Routing Table: 26059
Origin ASes announcing only one prefix: 12688
Transit ASes present in the Internet Routing Table: 3873
Transit-only ASes present in the Internet Routing Table: 91
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 19
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 606
Unregistered ASNs in the Routing Table: 200
Number of 32-bit ASNs allocated by the RIRs: 65
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 196
Number of addresses announced to Internet: 1965595904
Equivalent to 117 /8s, 40 /16s and 157 /24s
Percentage of available address space announced: 53.0
Percentage of allocated address space announced: 63.4
Percentage of available address space allocated: 83.7
Percentage of address space in use by end-sites: 74.5
Total number of prefixes smaller than registry allocations: 136190
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63227
Total APNIC prefixes after maximum aggregation: 23419
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 60138
Unique aggregates announced from the APNIC address blocks: 27146
APNIC Region origin ASes present in the Internet Routing Table: 3471
APNIC Prefixes per ASN: 17.33
APNIC Region origin ASes announcing only one prefix: 933
APNIC Region transit ASes present in the Internet Routing Table: 532
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 388701856
Equivalent to 23 /8s, 43 /16s and 30 /24s
Percentage of available APNIC address space announced: 77.2
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, 110/8, 111/8, 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: 124442
Total ARIN prefixes after maximum aggregation: 64925
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 93775
Unique aggregates announced from the ARIN address blocks: 34787
ARIN Region origin ASes present in the Internet Routing Table: 12625
ARIN Prefixes per ASN: 7.43
ARIN Region origin ASes announcing only one prefix: 4879
ARIN Region transit ASes present in the Internet Routing Table: 1204
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 402018976
Equivalent to 23 /8s, 246 /16s and 82 /24s
Percentage of available ARIN address space announced: 82.6
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, 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: 60678
Total RIPE prefixes after maximum aggregation: 36269
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56339
Unique aggregates announced from the RIPE address blocks: 37625
RIPE Region origin ASes present in the Internet Routing Table: 12250
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 6455
RIPE Region transit ASes present in the Internet Routing Table: 1870
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 380740448
Equivalent to 22 /8s, 177 /16s and 163 /24s
Percentage of available RIPE address space announced: 87.3
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, 47104-49151
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: 22525
Total LACNIC prefixes after maximum aggregation: 5581
LACNIC Deaggregation factor: 4.04
Prefixes being announced from the LACNIC address blocks: 20562
Unique aggregates announced from the LACNIC address blocks: 11456
LACNIC Region origin ASes present in the Internet Routing Table: 1038
LACNIC Prefixes per ASN: 19.81
LACNIC Region origin ASes announcing only one prefix: 337
LACNIC Region transit ASes present in the Internet Routing Table: 168
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 58476544
Equivalent to 3 /8s, 124 /16s and 72 /24s
Percentage of available LACNIC address space announced: 58.1
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: 4148
Total AfriNIC prefixes after maximum aggregation: 1345
AfriNIC Deaggregation factor: 3.08
Prefixes being announced from the AfriNIC address blocks: 4450
Unique aggregates announced from the AfriNIC address blocks: 2211
AfriNIC Region origin ASes present in the Internet Routing Table: 270
AfriNIC Prefixes per ASN: 16.48
AfriNIC Region origin ASes announcing only one prefix: 84
AfriNIC Region transit ASes present in the Internet Routing Table: 54
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 13031168
Equivalent to 0 /8s, 198 /16s and 215 /24s
Percentage of available AfriNIC address space announced: 25.9
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
17488 1442 101 104 Hathway IP Over Cable Interne
4766 1269 6408 363 Korea Telecom (KIX)
4755 1166 474 154 TATA Communications formerly
9583 1135 88 486 Sify Limited
4134 907 15536 371 CHINANET-BACKBONE
23577 816 35 693 Korea Telecom (ATM-MPLS)
18101 787 168 32 Reliance Infocom Ltd Internet
4780 727 357 63 Digital United Inc.
9498 689 295 50 BHARTI BT INTERNET LTD.
7545 649 152 82 TPG Internet 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
6389 4376 3434 344 bellsouth.net, inc.
209 2987 4032 620 Qwest
6298 2168 334 632 Cox Communicatons
20115 1841 1460 737 Charter Communications
1785 1701 717 154 PaeTec Communications, Inc.
6478 1609 369 198 AT&T Worldnet Services
2386 1595 701 901 AT&T Data Communications Serv
4323 1592 1068 378 Time Warner Telecom
7018 1419 5872 981 AT&T WorldNet Services
11492 1219 192 12 Cable One
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 432 1765 382 TDC Tele Danmark
12479 371 578 6 Uni2 Autonomous System
30890 369 80 196 SC Kappa Invexim SRL
3301 337 1429 306 TeliaNet Sweden
29049 331 26 3 AzerSat LLC.
8866 330 109 22 Bulgarian Telecommunication C
3320 327 7063 276 Deutsche Telekom AG
3215 314 2776 97 France Telecom Transpac
8452 311 188 11 TEDATA
8551 303 286 36 Bezeq International
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 1399 2832 220 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 552 270 14 VTR PUNTO NET S.A.
10620 546 122 40 TVCABLE BOGOTA
7303 497 244 72 Telecom Argentina Stet-France
6471 426 88 50 ENTEL CHILE S.A.
16814 426 27 10 NSS, S.A.
11172 402 118 72 Servicios Alestra S.A de C.V
28573 355 483 28 NET Servicos de Comunicao S.A
14117 333 23 9 Telefonica del Sur S.A.
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 513 72 46 LINKdotNET AS number
3741 270 857 226 The Internet Solution
20858 265 34 3 EgyNet
2018 239 215 140 Tertiary Education Network
33783 143 10 17 EEPAD TISP TELECOM & INTERNET
6713 137 135 11 Itissalat Al-MAGHRIB
5536 120 8 17 Internet Egypt Network
5713 119 555 68 Telkom SA Ltd
33776 116 6 3 Starcomms Nigeria Limited
29571 113 15 8 Ci Telecom Autonomous system
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
6389 4376 3434 344 bellsouth.net, inc.
209 2987 4032 620 Qwest
6298 2168 334 632 Cox Communicatons
20115 1841 1460 737 Charter Communications
1785 1701 717 154 PaeTec Communications, Inc.
6478 1609 369 198 AT&T Worldnet Services
2386 1595 701 901 AT&T Data Communications Serv
4323 1592 1068 378 Time Warner Telecom
17488 1442 101 104 Hathway IP Over Cable Interne
7018 1419 5872 981 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2987 2367 Qwest
1785 1701 1547 PaeTec Communications, Inc.
6298 2168 1536 Cox Communicatons
6478 1609 1411 AT&T Worldnet Services
17488 1442 1338 Hathway IP Over Cable Interne
4323 1592 1214 Time Warner Telecom
11492 1219 1207 Cable One
8151 1399 1179 UniNet S.A. de C.V.
20115 1841 1104 Charter Communications
18566 1059 1049 Covad Communications
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 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
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 3549 Global Crossing
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.75.160.0/19 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
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 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 /10:19 /11:55 /12:158
/13:308 /14:550 /15:1079 /16:10182 /17:4482 /18:7724
/19:16594 /20:19492 /21:19167 /22:24322 /23:25006 /24:143614
/25:869 /26:1038 /27:805 /28:96 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2859 4376 bellsouth.net, inc.
6298 2142 2168 Cox Communicatons
209 1709 2987 Qwest
2386 1274 1595 AT&T Data Communications Serv
17488 1232 1442 Hathway IP Over Cable Interne
11492 1194 1219 Cable One
1785 1163 1701 PaeTec Communications, Inc.
6478 1106 1609 AT&T Worldnet Services
18566 1040 1059 Covad Communications
4766 1015 1269 Korea Telecom (KIX)
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:160 12:2182 13:2 15:21 16:3
17:5 20:36 24:1125 32:54 38:519 40:93
41:802 43:1 44:2 47:12 52:3 55:3
56:3 57:27 58:497 59:564 60:458 61:1041
62:1130 63:2010 64:3301 65:2445 66:3522 67:1369
68:847 69:2364 70:899 71:171 72:2083 73:7
74:1312 75:171 76:288 77:898 78:520 79:291
80:931 81:856 82:572 83:411 84:587 85:1042
86:505 87:653 88:350 89:1382 90:29 91:1713
92:324 93:1028 94:737 95:49 96:92 97:138
98:403 99:9 100:1 110:1 111:1 113:41
114:130 115:163 116:1047 117:409 118:261 119:556
120:106 121:664 122:894 123:447 124:845 125:1230
128:358 129:219 130:136 131:410 132:72 133:9
134:187 135:31 136:223 137:117 138:144 139:86
140:412 141:111 142:371 143:301 144:310 145:52
146:360 147:143 148:603 149:212 150:143 151:210
152:144 153:131 154:10 155:276 156:165 157:302
158:169 159:298 160:273 161:132 162:251 163:132
164:518 165:512 166:361 167:340 168:650 169:155
170:460 171:40 172:10 173:126 174:7 187:18
188:1 189:330 190:2443 192:5819 193:4155 194:3289
195:2611 196:1011 198:3706 199:3311 200:5533 201:1477
202:7645 203:8051 204:3933 205:2188 206:2301 207:2761
208:3754 209:3438 210:2634 211:1100 212:1550 213:1635
214:71 215:25 216:4396 217:1239 218:358 219:419
220:1095 221:464 222:311
End of report