Routing Table Report 04:00 +10GMT Mon 01 Dec, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 275598
Prefixes after maximum aggregation: 132038
Deaggregation factor: 2.09
Unique aggregates announced to Internet: 133712
Total ASes present in the Internet Routing Table: 29936
Prefixes per ASN: 9.21
Origin-only ASes present in the Internet Routing Table: 26068
Origin ASes announcing only one prefix: 12697
Transit ASes present in the Internet Routing Table: 3868
Transit-only ASes present in the Internet Routing Table: 90
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 542
Unregistered ASNs in the Routing Table: 198
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: 194
Number of addresses announced to Internet: 1965753600
Equivalent to 117 /8s, 43 /16s and 5 /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: 136204
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63226
Total APNIC prefixes after maximum aggregation: 23430
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 60141
Unique aggregates announced from the APNIC address blocks: 27163
APNIC Region origin ASes present in the Internet Routing Table: 3475
APNIC Prefixes per ASN: 17.31
APNIC Region origin ASes announcing only one prefix: 939
APNIC Region transit ASes present in the Internet Routing Table: 529
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 388700832
Equivalent to 23 /8s, 43 /16s and 26 /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: 124419
Total ARIN prefixes after maximum aggregation: 64956
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 93768
Unique aggregates announced from the ARIN address blocks: 34780
ARIN Region origin ASes present in the Internet Routing Table: 12624
ARIN Prefixes per ASN: 7.43
ARIN Region origin ASes announcing only one prefix: 4876
ARIN Region transit ASes present in the Internet Routing Table: 1200
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 402011040
Equivalent to 23 /8s, 246 /16s and 51 /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: 60760
Total RIPE prefixes after maximum aggregation: 36300
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56366
Unique aggregates announced from the RIPE address blocks: 37677
RIPE Region origin ASes present in the Internet Routing Table: 12257
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 6461
RIPE Region transit ASes present in the Internet Routing Table: 1871
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 380825952
Equivalent to 22 /8s, 178 /16s and 241 /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: 22540
Total LACNIC prefixes after maximum aggregation: 5575
LACNIC Deaggregation factor: 4.04
Prefixes being announced from the LACNIC address blocks: 20573
Unique aggregates announced from the LACNIC address blocks: 11446
LACNIC Region origin ASes present in the Internet Routing Table: 1036
LACNIC Prefixes per ASN: 19.86
LACNIC Region origin ASes announcing only one prefix: 337
LACNIC Region transit ASes present in the Internet Routing Table: 169
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 58470144
Equivalent to 3 /8s, 124 /16s and 47 /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: 4133
Total AfriNIC prefixes after maximum aggregation: 1347
AfriNIC Deaggregation factor: 3.07
Prefixes being announced from the AfriNIC address blocks: 4433
Unique aggregates announced from the AfriNIC address blocks: 2211
AfriNIC Region origin ASes present in the Internet Routing Table: 269
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: 13014272
Equivalent to 0 /8s, 198 /16s and 149 /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 1270 6409 364 Korea Telecom (KIX)
4755 1168 474 154 TATA Communications formerly
9583 1135 88 486 Sify Limited
4134 905 15536 371 CHINANET-BACKBONE
23577 817 35 694 Korea Telecom (ATM-MPLS)
18101 787 168 32 Reliance Infocom Ltd Internet
4780 727 357 63 Digital United Inc.
9498 687 295 50 BHARTI BT INTERNET LTD.
7545 648 152 81 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 2986 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
4323 1591 1068 378 Time Warner Telecom
2386 1549 701 901 AT&T Data Communications Serv
7018 1421 5872 982 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
30890 369 80 196 SC Kappa Invexim SRL
12479 358 578 6 Uni2 Autonomous System
3301 336 1413 305 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
16814 426 27 10 NSS, S.A.
6471 425 88 50 ENTEL CHILE S.A.
11172 402 118 72 Servicios Alestra S.A de C.V
28573 352 483 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 514 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 2986 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
4323 1591 1068 378 Time Warner Telecom
2386 1549 701 901 AT&T Data Communications Serv
17488 1442 101 104 Hathway IP Over Cable Interne
7018 1421 5872 982 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 2986 2366 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 1591 1213 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 /16:10183 /17:4483 /18:7720
/19:16578 /20:19487 /21:19161 /22:24320 /23:24993 /24:143652
/25:871 /26:1037 /27:803 /28:97 /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 1708 2986 Qwest
17488 1232 1442 Hathway IP Over Cable Interne
2386 1228 1549 AT&T Data Communications Serv
11492 1194 1219 Cable One
1785 1163 1701 PaeTec Communications, Inc.
6478 1106 1609 AT&T Worldnet Services
18566 1040 1059 Covad Communications
4766 1016 1270 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 12:2180 13:2 15:21 16:3
17:5 20:36 24:1125 32:54 38:519 40:93
41:807 43:1 44:2 47:12 52:3 55:3
56:3 57:26 58:497 59:562 60:458 61:1035
62:1131 63:2012 64:3302 65:2446 66:3523 67:1367
68:847 69:2363 70:899 71:171 72:2085 73:7
74:1311 75:171 76:288 77:898 78:518 79:293
80:933 81:856 82:573 83:409 84:589 85:1047
86:507 87:653 88:351 89:1398 90:29 91:1717
92:324 93:1028 94:754 95:49 96:92 97:138
98:403 99:9 100:1 110:1 111:1 113:41
114:132 115:163 116:1045 117:409 118:262 119:557
120:107 121:665 122:896 123:447 124:845 125:1245
128:313 129:219 130:136 131:409 132:72 133:9
134:187 135:31 136:223 137:117 138:144 139:86
140:414 141:111 142:372 143:303 144:309 145:52
146:368 147:143 148:603 149:212 150:143 151:210
152:144 153:131 154:10 155:276 156:165 157:301
158:167 159:298 160:274 161:132 162:251 163:132
164:518 165:511 166:361 167:341 168:651 169:154
170:460 171:40 172:10 173:126 174:7 187:18
188:1 189:322 190:2456 192:5826 193:4156 194:3288
195:2612 196:1001 198:3711 199:3313 200:5530 201:1482
202:7647 203:8051 204:3933 205:2189 206:2299 207:2761
208:3754 209:3441 210:2632 211:1134 212:1544 213:1627
214:71 215:25 216:4393 217:1242 218:358 219:411
220:1100 221:465 222:286
End of report