Routing Table Report 04:00 +10GMT Sun 10 May, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 288155
Prefixes after maximum aggregation: 136152
Deaggregation factor: 2.12
Unique aggregates announced to Internet: 140819
Total ASes present in the Internet Routing Table: 31188
Prefixes per ASN: 9.24
Origin-only ASes present in the Internet Routing Table: 27130
Origin ASes announcing only one prefix: 13238
Transit ASes present in the Internet Routing Table: 4058
Transit-only ASes present in the Internet Routing Table: 94
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: 460
Unregistered ASNs in the Routing Table: 150
Number of 32-bit ASNs allocated by the RIRs: 142
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: 194
Number of addresses announced to Internet: 2039825088
Equivalent to 121 /8s, 149 /16s and 66 /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: 76.9
Total number of prefixes smaller than registry allocations: 142486
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 67725
Total APNIC prefixes after maximum aggregation: 24109
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 64395
Unique aggregates announced from the APNIC address blocks: 28905
APNIC Region origin ASes present in the Internet Routing Table: 3613
APNIC Prefixes per ASN: 17.82
APNIC Region origin ASes announcing only one prefix: 976
APNIC Region transit ASes present in the Internet Routing Table: 549
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 413087776
Equivalent to 24 /8s, 159 /16s and 56 /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: 125344
Total ARIN prefixes after maximum aggregation: 66141
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 94516
Unique aggregates announced from the ARIN address blocks: 36637
ARIN Region origin ASes present in the Internet Routing Table: 12972
ARIN Prefixes per ASN: 7.29
ARIN Region origin ASes announcing only one prefix: 5006
ARIN Region transit ASes present in the Internet Routing Table: 1260
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 428565504
Equivalent to 25 /8s, 139 /16s and 100 /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: 65813
Total RIPE prefixes after maximum aggregation: 38228
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 60151
Unique aggregates announced from the RIPE address blocks: 39874
RIPE Region origin ASes present in the Internet Routing Table: 12975
RIPE Prefixes per ASN: 4.64
RIPE Region origin ASes announcing only one prefix: 6800
RIPE Region transit ASes present in the Internet Routing Table: 1960
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 393185056
Equivalent to 23 /8s, 111 /16s and 135 /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: 23861
Total LACNIC prefixes after maximum aggregation: 5892
LACNIC Deaggregation factor: 4.05
Prefixes being announced from the LACNIC address blocks: 22043
Unique aggregates announced from the LACNIC address blocks: 12112
LACNIC Region origin ASes present in the Internet Routing Table: 1105
LACNIC Prefixes per ASN: 19.95
LACNIC Region origin ASes announcing only one prefix: 361
LACNIC Region transit ASes present in the Internet Routing Table: 185
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 63068288
Equivalent to 3 /8s, 194 /16s and 88 /24s
Percentage of available LACNIC address space announced: 62.7
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: 4984
Total AfriNIC prefixes after maximum aggregation: 1445
AfriNIC Deaggregation factor: 3.45
Prefixes being announced from the AfriNIC address blocks: 4598
Unique aggregates announced from the AfriNIC address blocks: 1408
AfriNIC Region origin ASes present in the Internet Routing Table: 297
AfriNIC Prefixes per ASN: 15.48
AfriNIC Region origin ASes announcing only one prefix: 95
AfriNIC Region transit ASes present in the Internet Routing Table: 61
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 11284736
Equivalent to 0 /8s, 172 /16s and 49 /24s
Percentage of available AfriNIC address space announced: 33.6
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 1572 127 101 Hathway IP Over Cable Interne
4755 1243 466 126 TATA Communications formerly
9583 1077 86 539 Sify Limited
4134 898 16676 373 CHINANET-BACKBONE
7545 793 167 103 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.
9829 660 560 18 BSNL National Internet Backbo
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 4305 3653 342 bellsouth.net, inc.
209 2561 4148 602 Qwest
4323 1851 1035 373 Time Warner Telecom
1785 1758 717 139 PaeTec Communications, Inc.
20115 1631 1449 728 Charter Communications
7018 1465 5911 1015 AT&T WorldNet Services
6478 1400 309 415 AT&T Worldnet Services
2386 1264 698 911 AT&T Data Communications Serv
3356 1232 10981 466 Level 3 Communications, LLC
11492 1097 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 448 578 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 338 24 4 United Telecom of Georgia
29049 316 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 1450 2848 232 UniNet S.A. de C.V.
10620 934 207 106 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 458 562 26 NET Servicos de Comunicao S.A
11172 443 102 72 Servicios Alestra S.A de C.V
6471 435 95 31 ENTEL CHILE S.A.
7738 397 794 28 Telecomunicacoes da Bahia S.A
3816 349 163 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 278 860 238 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 159 150 15 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 9 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
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 4305 3653 342 bellsouth.net, inc.
209 2561 4148 602 Qwest
4323 1851 1035 373 Time Warner Telecom
1785 1758 717 139 PaeTec Communications, Inc.
4766 1700 6930 405 Korea Telecom (KIX)
20115 1631 1449 728 Charter Communications
17488 1572 127 101 Hathway IP Over Cable Interne
7018 1465 5911 1015 AT&T WorldNet Services
8151 1450 2848 232 UniNet S.A. de C.V.
6478 1400 309 415 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 2561 1959 Qwest
1785 1758 1619 PaeTec Communications, Inc.
4323 1851 1478 Time Warner Telecom
17488 1572 1471 Hathway IP Over Cable Interne
4766 1700 1295 Korea Telecom (KIX)
8452 1231 1224 TEDATA
8151 1450 1218 UniNet S.A. de C.V.
4755 1243 1117 TATA Communications formerly
11492 1097 1086 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
41.223.176.0/22 36981 >>UNKNOWN<<
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
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 /14:597 /15:1146 /16:10462 /17:4723 /18:8132
/19:17122 /20:20390 /21:20273 /22:25946 /23:25504 /24:150552
/25:899 /26:1041 /27:542 /28:161 /29:37 /30:10
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2803 4305 bellsouth.net, inc.
4766 1391 1700 Korea Telecom (KIX)
17488 1306 1572 Hathway IP Over Cable Interne
209 1300 2561 Qwest
8452 1207 1231 TEDATA
1785 1163 1758 PaeTec Communications, Inc.
18566 1043 1062 Covad Communications
11492 1033 1097 Cable One
2386 962 1264 AT&T Data Communications Serv
4323 953 1851 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:199 12:2221 13:10 15:19 16:3
17:4 20:35 24:1064 32:50 38:529 40:97
41:2011 43:1 44:2 47:22 52:4 55:2
56:3 57:25 58:582 59:637 60:459 61:1116
62:1112 63:2072 64:3665 65:2395 66:3611 67:1632
68:754 69:2590 70:531 71:144 72:1656 73:2
74:1497 75:172 76:311 77:833 78:561 79:334
80:973 81:820 82:543 83:417 84:613 85:1083
86:403 87:652 88:355 89:1435 90:47 91:2193
92:317 93:1002 94:1180 95:964 96:125 97:207
98:221 99:22 109:1 110:93 112:110 113:102
114:251 115:271 116:1166 117:520 118:289 119:692
120:142 121:721 122:1010 123:689 124:967 125:1314
128:221 129:232 130:125 131:413 132:71 133:9
134:184 135:214 136:242 137:152 138:159 139:81
140:444 141:107 142:377 143:343 144:361 145:47
146:372 147:152 148:518 149:235 150:181 151:200
152:146 153:139 154:2 155:274 156:169 157:299
158:115 159:311 160:281 161:138 162:274 163:149
164:482 165:503 166:278 167:363 168:685 169:167
170:475 171:40 172:10 173:276 174:205 178:1
186:10 187:89 188:15 189:341 190:2673 192:5796
193:4237 194:3305 195:2708 196:1069 198:3656 199:3351
200:5371 201:1372 202:7874 203:8198 204:3804 205:2142
206:2450 207:2820 208:3916 209:3396 210:2710 211:1112
212:1510 213:1705 214:74 215:30 216:4647 217:1267
218:368 219:431 220:1222 221:475 222:296
End of report