Routing Table Report 04:00 +10GMT Mon 08 Dec, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 274790
Prefixes after maximum aggregation: 131918
Deaggregation factor: 2.08
Unique aggregates announced to Internet: 134096
Total ASes present in the Internet Routing Table: 30016
Prefixes per ASN: 9.15
Origin-only ASes present in the Internet Routing Table: 26143
Origin ASes announcing only one prefix: 12727
Transit ASes present in the Internet Routing Table: 3873
Transit-only ASes present in the Internet Routing Table: 88
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: 530
Unregistered ASNs in the Routing Table: 194
Number of 32-bit ASNs allocated by the RIRs: 68
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: 1967468032
Equivalent to 117 /8s, 69 /16s and 46 /24s
Percentage of available address space announced: 53.1
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: 74.6
Total number of prefixes smaller than registry allocations: 134954
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63750
Total APNIC prefixes after maximum aggregation: 23515
APNIC Deaggregation factor: 2.71
Prefixes being announced from the APNIC address blocks: 60707
Unique aggregates announced from the APNIC address blocks: 27329
APNIC Region origin ASes present in the Internet Routing Table: 3478
APNIC Prefixes per ASN: 17.45
APNIC Region origin ASes announcing only one prefix: 932
APNIC Region transit ASes present in the Internet Routing Table: 530
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 389613472
Equivalent to 23 /8s, 57 /16s and 7 /24s
Percentage of available APNIC address space announced: 77.4
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: 122673
Total ARIN prefixes after maximum aggregation: 64586
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 91860
Unique aggregates announced from the ARIN address blocks: 34854
ARIN Region origin ASes present in the Internet Routing Table: 12644
ARIN Prefixes per ASN: 7.27
ARIN Region origin ASes announcing only one prefix: 4884
ARIN Region transit ASes present in the Internet Routing Table: 1206
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 402495648
Equivalent to 23 /8s, 253 /16s and 152 /24s
Percentage of available ARIN address space announced: 82.7
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: 60946
Total RIPE prefixes after maximum aggregation: 36431
RIPE Deaggregation factor: 1.67
Prefixes being announced from the RIPE address blocks: 56551
Unique aggregates announced from the RIPE address blocks: 37681
RIPE Region origin ASes present in the Internet Routing Table: 12313
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6491
RIPE Region transit ASes present in the Internet Routing Table: 1868
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 381011808
Equivalent to 22 /8s, 181 /16s and 199 /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: 22639
Total LACNIC prefixes after maximum aggregation: 5604
LACNIC Deaggregation factor: 4.04
Prefixes being announced from the LACNIC address blocks: 20690
Unique aggregates announced from the LACNIC address blocks: 11539
LACNIC Region origin ASes present in the Internet Routing Table: 1040
LACNIC Prefixes per ASN: 19.89
LACNIC Region origin ASes announcing only one prefix: 338
LACNIC Region transit ASes present in the Internet Routing Table: 167
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 58573056
Equivalent to 3 /8s, 125 /16s and 193 /24s
Percentage of available LACNIC address space announced: 58.2
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: 4274
Total AfriNIC prefixes after maximum aggregation: 1361
AfriNIC Deaggregation factor: 3.14
Prefixes being announced from the AfriNIC address blocks: 4578
Unique aggregates announced from the AfriNIC address blocks: 2178
AfriNIC Region origin ASes present in the Internet Routing Table: 272
AfriNIC Prefixes per ASN: 16.83
AfriNIC Region origin ASes announcing only one prefix: 82
AfriNIC Region transit ASes present in the Internet Routing Table: 56
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 13027328
Equivalent to 0 /8s, 198 /16s and 200 /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 1443 101 105 Hathway IP Over Cable Interne
4766 1340 6409 364 Korea Telecom (KIX)
4755 1172 474 153 TATA Communications formerly
9583 1116 87 486 Sify Limited
4134 907 15509 355 CHINANET-BACKBONE
23577 814 34 693 Korea Telecom (ATM-MPLS)
18101 784 168 32 Reliance Infocom Ltd Internet
4780 727 357 63 Digital United Inc.
9498 694 295 50 BHARTI BT INTERNET LTD.
7545 650 152 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 4378 3434 345 bellsouth.net, inc.
209 2984 4031 620 Qwest
20115 1848 1466 745 Charter Communications
1785 1703 717 155 PaeTec Communications, Inc.
6478 1601 367 285 AT&T Worldnet Services
4323 1598 1068 383 Time Warner Telecom
2386 1591 708 898 AT&T Data Communications Serv
7018 1428 5872 988 AT&T WorldNet Services
11492 1222 192 12 Cable One
3356 1096 10991 424 Level 3 Communications, LLC
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 434 1765 383 TDC Tele Danmark
30890 377 79 194 SC Kappa Invexim SRL
12479 373 578 6 Uni2 Autonomous System
3301 335 1413 304 TeliaNet Sweden
8866 331 109 22 Bulgarian Telecommunication C
29049 331 26 3 AzerSat LLC.
3320 329 7064 278 Deutsche Telekom AG
8452 323 188 11 TEDATA
3215 314 2776 97 France Telecom Transpac
8551 302 286 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 1393 2832 220 UniNet S.A. de C.V.
11830 667 299 9 Instituto Costarricense de El
10620 605 133 45 TVCABLE BOGOTA
22047 553 270 14 VTR PUNTO NET S.A.
7303 501 248 73 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 425 88 50 ENTEL CHILE S.A.
11172 400 118 72 Servicios Alestra S.A de C.V
28573 357 487 25 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 575 73 43 LINKdotNET AS number
3741 270 857 227 The Internet Solution
20858 264 34 3 EgyNet
2018 239 215 140 Tertiary Education Network
6713 144 135 11 Itissalat Al-MAGHRIB
33783 143 10 17 EEPAD TISP TELECOM & INTERNET
29571 121 15 8 Ci Telecom Autonomous system
5536 120 8 17 Internet Egypt Network
5713 119 555 68 Telkom SA Ltd
33776 116 6 3 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
6389 4378 3434 345 bellsouth.net, inc.
209 2984 4031 620 Qwest
20115 1848 1466 745 Charter Communications
1785 1703 717 155 PaeTec Communications, Inc.
6478 1601 367 285 AT&T Worldnet Services
4323 1598 1068 383 Time Warner Telecom
2386 1591 708 898 AT&T Data Communications Serv
17488 1443 101 105 Hathway IP Over Cable Interne
7018 1428 5872 988 AT&T WorldNet Services
8151 1393 2832 220 UniNet S.A. de C.V.
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2984 2364 Qwest
1785 1703 1548 PaeTec Communications, Inc.
17488 1443 1338 Hathway IP Over Cable Interne
6478 1601 1316 AT&T Worldnet Services
4323 1598 1215 Time Warner Telecom
11492 1222 1210 Cable One
8151 1393 1173 UniNet S.A. de C.V.
20115 1848 1103 Charter Communications
18566 1059 1049 Covad Communications
4755 1172 1019 TATA Communications formerly
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
/13:307 /14:553 /15:1075 /16:10195 /17:4478 /18:7748
/19:16595 /20:19516 /21:18994 /22:24155 /23:24713 /24:143354
/25:884 /26:1037 /27:813 /28:97 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2861 4378 bellsouth.net, inc.
209 1707 2984 Qwest
2386 1271 1591 AT&T Data Communications Serv
17488 1232 1443 Hathway IP Over Cable Interne
11492 1197 1222 Cable One
1785 1163 1703 PaeTec Communications, Inc.
6478 1126 1601 AT&T Worldnet Services
4766 1083 1340 Korea Telecom (KIX)
18566 1040 1059 Covad Communications
9583 980 1116 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:161 12:2219 13:2 15:21 16:3
17:5 20:36 24:1106 32:54 38:519 40:92
41:824 43:1 44:2 47:13 52:3 55:3
56:3 57:26 58:502 59:579 60:457 61:1057
62:1120 63:2013 64:3300 65:2447 66:3529 67:1421
68:652 69:2364 70:525 71:171 72:1598 73:7
74:1320 75:182 76:297 77:901 78:517 79:295
80:939 81:867 82:582 83:402 84:587 85:1051
86:505 87:649 88:356 89:1412 90:43 91:1756
92:325 93:1049 94:775 95:50 96:92 97:141
98:166 99:9 100:1 110:1 111:1 113:56
114:144 115:166 116:1066 117:413 118:265 119:553
120:105 121:693 122:895 123:453 124:855 125:1269
128:357 129:219 130:136 131:409 132:72 133:9
134:190 135:31 136:225 137:122 138:144 139:86
140:414 141:111 142:375 143:348 144:317 145:53
146:370 147:142 148:599 149:212 150:144 151:210
152:146 153:131 154:10 155:251 156:165 157:304
158:165 159:298 160:273 161:131 162:252 163:136
164:514 165:502 166:360 167:353 168:661 169:160
170:459 171:40 172:10 173:123 174:10 187:14
188:1 189:332 190:2446 192:5815 193:4147 194:3283
195:2643 196:1046 198:3716 199:3319 200:5520 201:1499
202:7834 203:8025 204:3944 205:2186 206:2300 207:2782
208:3764 209:3447 210:2704 211:1138 212:1555 213:1668
214:75 215:25 216:4386 217:1245 218:359 219:409
220:1185 221:453 222:288
End of report