Routing Table Report 04:00 +10GMT Fri 08 May, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 288057
Prefixes after maximum aggregation: 136190
Deaggregation factor: 2.12
Unique aggregates announced to Internet: 140970
Total ASes present in the Internet Routing Table: 31174
Prefixes per ASN: 9.24
Origin-only ASes present in the Internet Routing Table: 27114
Origin ASes announcing only one prefix: 13224
Transit ASes present in the Internet Routing Table: 4060
Transit-only ASes present in the Internet Routing Table: 95
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 33
Max AS path prepend of ASN (43683) 31
Prefixes from unregistered ASNs in the Routing Table: 505
Unregistered ASNs in the Routing Table: 157
Number of 32-bit ASNs allocated by the RIRs: 144
Prefixes from 32-bit ASNs in the Routing Table: 30
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 193
Number of addresses announced to Internet: 2039570496
Equivalent to 121 /8s, 145 /16s and 96 /24s
Percentage of available address space announced: 55.0
Percentage of allocated address space announced: 63.7
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 76.8
Total number of prefixes smaller than registry allocations: 142491
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 67631
Total APNIC prefixes after maximum aggregation: 24115
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 64301
Unique aggregates announced from the APNIC address blocks: 28924
APNIC Region origin ASes present in the Internet Routing Table: 3605
APNIC Prefixes per ASN: 17.84
APNIC Region origin ASes announcing only one prefix: 968
APNIC Region transit ASes present in the Internet Routing Table: 548
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 412825376
Equivalent to 24 /8s, 155 /16s and 55 /24s
Percentage of available APNIC address space announced: 76.9
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, 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,
180/8, 183/8, 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: 125310
Total ARIN prefixes after maximum aggregation: 66105
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 94479
Unique aggregates announced from the ARIN address blocks: 36570
ARIN Region origin ASes present in the Internet Routing Table: 12969
ARIN Prefixes per ASN: 7.28
ARIN Region origin ASes announcing only one prefix: 5004
ARIN Region transit ASes present in the Internet Routing Table: 1268
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 428468992
Equivalent to 25 /8s, 137 /16s and 235 /24s
Percentage of available ARIN address space announced: 82.4
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
53248-55295
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, 108/8, 173/8,
174/8, 184/8, 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: 66020
Total RIPE prefixes after maximum aggregation: 38250
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 60385
Unique aggregates announced from the RIPE address blocks: 40121
RIPE Region origin ASes present in the Internet Routing Table: 12974
RIPE Prefixes per ASN: 4.65
RIPE Region origin ASes announcing only one prefix: 6803
RIPE Region transit ASes present in the Internet Routing Table: 1959
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 393244576
Equivalent to 23 /8s, 112 /16s and 111 /24s
Percentage of available RIPE address space announced: 83.7
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, 47104-52223
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, 109/8,
178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 23695
Total LACNIC prefixes after maximum aggregation: 5898
LACNIC Deaggregation factor: 4.02
Prefixes being announced from the LACNIC address blocks: 21877
Unique aggregates announced from the LACNIC address blocks: 12057
LACNIC Region origin ASes present in the Internet Routing Table: 1103
LACNIC Prefixes per ASN: 19.83
LACNIC Region origin ASes announcing only one prefix: 358
LACNIC Region transit ASes present in the Internet Routing Table: 184
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 62970752
Equivalent to 3 /8s, 192 /16s and 219 /24s
Percentage of available LACNIC address space announced: 62.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
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: 4934
Total AfriNIC prefixes after maximum aggregation: 1480
AfriNIC Deaggregation factor: 3.33
Prefixes being announced from the AfriNIC address blocks: 4576
Unique aggregates announced from the AfriNIC address blocks: 1418
AfriNIC Region origin ASes present in the Internet Routing Table: 294
AfriNIC Prefixes per ASN: 15.56
AfriNIC Region origin ASes announcing only one prefix: 91
AfriNIC Region transit ASes present in the Internet Routing Table: 59
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 11300608
Equivalent to 0 /8s, 172 /16s and 111 /24s
Percentage of available AfriNIC address space announced: 33.7
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1700 6930 405 Korea Telecom (KIX)
17488 1573 127 101 Hathway IP Over Cable Interne
4755 1239 466 124 TATA Communications formerly
9583 1077 86 539 Sify Limited
4134 898 16676 373 CHINANET-BACKBONE
7545 792 166 102 TPG Internet Pty Ltd
23577 780 34 663 Korea Telecom (ATM-MPLS)
18101 756 217 32 Reliance Infocom Ltd Internet
24560 684 229 175 Bharti Airtel Ltd.
9498 647 295 51 BHARTI BT INTERNET 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 4308 3653 342 bellsouth.net, inc.
209 2563 4149 608 Qwest
4323 1846 1035 373 Time Warner Telecom
1785 1756 717 139 PaeTec Communications, Inc.
20115 1626 1443 726 Charter Communications
7018 1465 5896 1015 AT&T WorldNet Services
6478 1396 308 416 AT&T Worldnet Services
2386 1265 698 912 AT&T Data Communications Serv
3356 1237 10981 469 Level 3 Communications, LLC
11492 1099 192 11 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
8452 1231 188 7 TEDATA
30890 541 88 200 Evolva Telecom
3292 455 1893 394 TDC Tele Danmark
12479 447 578 6 Uni2 Autonomous System
8866 368 110 24 Bulgarian Telecommunication C
3320 348 7082 299 Deutsche Telekom AG
3215 343 3041 108 France Telecom Transpac
3301 340 1668 304 TeliaNet Sweden
35805 336 24 4 United Telecom of Georgia
29049 317 26 3 AzerSat LLC.
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 1445 2831 232 UniNet S.A. de C.V.
10620 905 207 106 TVCABLE BOGOTA
22047 616 302 14 VTR PUNTO NET S.A.
7303 524 272 76 Telecom Argentina Stet-France
11830 516 294 34 Instituto Costarricense de El
28573 453 562 26 NET Servicos de Comunicao S.A
6471 445 96 32 ENTEL CHILE S.A.
11172 443 102 72 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
3816 350 163 73 Empresa Nacional de Telecomun
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 858 79 37 LINKdotNET AS number
20858 302 34 5 This AS will be used to conne
3741 277 860 237 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 159 150 15 Itissalat Al-MAGHRIB
29571 139 15 9 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
33783 120 8 40 EEPAD TISP TELECOM & INTERNET
5713 115 507 66 Telkom SA Ltd
24835 107 46 9 RAYA Telecom - Egypt
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 4308 3653 342 bellsouth.net, inc.
209 2563 4149 608 Qwest
4323 1846 1035 373 Time Warner Telecom
1785 1756 717 139 PaeTec Communications, Inc.
4766 1700 6930 405 Korea Telecom (KIX)
20115 1626 1443 726 Charter Communications
17488 1573 127 101 Hathway IP Over Cable Interne
7018 1465 5896 1015 AT&T WorldNet Services
8151 1445 2831 232 UniNet S.A. de C.V.
6478 1396 308 416 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 2563 1955 Qwest
1785 1756 1617 PaeTec Communications, Inc.
4323 1846 1473 Time Warner Telecom
17488 1573 1472 Hathway IP Over Cable Interne
4766 1700 1295 Korea Telecom (KIX)
8452 1231 1224 TEDATA
8151 1445 1213 UniNet S.A. de C.V.
4755 1239 1115 TATA Communications formerly
11492 1099 1088 Cable One
18566 1062 1052 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 7018 AT&T WorldNet Servic
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
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.223.112.0/22 5713 Telkom SA Ltd
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
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
64.31.32.0/19 11955 ServiceCo LLC - Road Runner
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 /9:10 /10:20 /11:58 /12:166
/13:337 /14:598 /15:1146 /16:10444 /17:4723 /18:8107
/19:17110 /20:20375 /21:20257 /22:25899 /23:25498 /24:150595
/25:900 /26:1040 /27:541 /28:159 /29:37 /30:10
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2806 4308 bellsouth.net, inc.
4766 1391 1700 Korea Telecom (KIX)
17488 1306 1573 Hathway IP Over Cable Interne
209 1299 2563 Qwest
8452 1207 1231 TEDATA
1785 1162 1756 PaeTec Communications, Inc.
18566 1043 1062 Covad Communications
11492 1036 1099 Cable One
2386 963 1265 AT&T Data Communications Serv
4323 950 1846 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:198 12:2218 13:6 15:19 16:3
17:4 20:35 24:1062 32:50 38:527 40:97
41:2013 43:1 44:2 47:22 52:4 55:2
56:3 57:25 58:581 59:636 60:459 61:1122
62:1113 63:2073 64:3657 65:2394 66:3616 67:1627
68:750 69:2593 70:532 71:179 72:1656 73:2
74:1499 75:172 76:311 77:832 78:561 79:336
80:971 81:813 82:528 83:422 84:604 85:1085
86:403 87:653 88:355 89:1444 90:47 91:2191
92:317 93:1001 94:1231 95:1153 96:126 97:204
98:217 99:22 109:1 110:92 112:112 113:102
114:243 115:270 116:1157 117:518 118:289 119:688
120:142 121:719 122:1016 123:688 124:967 125:1315
128:221 129:232 130:126 131:414 132:73 133:9
134:185 135:214 136:236 137:152 138:159 139:81
140:444 141:107 142:377 143:345 144:362 145:47
146:374 147:152 148:516 149:237 150:181 151:200
152:147 153:139 154:2 155:274 156:169 157:300
158:115 159:310 160:281 161:133 162:276 163:149
164:483 165:502 166:274 167:362 168:685 169:167
170:476 171:40 172:10 173:276 174:204 178:1
186:10 187:87 188:13 189:345 190:2591 192:5797
193:4235 194:3305 195:2699 196:1063 198:3659 199:3348
200:5351 201:1375 202:7830 203:8206 204:3812 205:2145
206:2447 207:2815 208:3921 209:3390 210:2710 211:1112
212:1502 213:1703 214:74 215:30 216:4640 217:1265
218:368 219:431 220:1220 221:470 222:296
End of report