Routing Table Report 04:00 +10GMT Fri 27 Feb, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 281140
Prefixes after maximum aggregation: 133663
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 137750
Total ASes present in the Internet Routing Table: 30684
Prefixes per ASN: 9.16
Origin-only ASes present in the Internet Routing Table: 26713
Origin ASes announcing only one prefix: 12995
Transit ASes present in the Internet Routing Table: 3971
Transit-only ASes present in the Internet Routing Table: 93
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 36
Max AS path prepend of ASN (27884) 31
Prefixes from unregistered ASNs in the Routing Table: 501
Unregistered ASNs in the Routing Table: 172
Number of 32-bit ASNs allocated by the RIRs: 112
Prefixes from 32-bit ASNs in the Routing Table: 16
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 217
Number of addresses announced to Internet: 2008922304
Equivalent to 119 /8s, 189 /16s and 184 /24s
Percentage of available address space announced: 54.2
Percentage of allocated address space announced: 63.4
Percentage of available address space allocated: 85.5
Percentage of address space in use by end-sites: 75.9
Total number of prefixes smaller than registry allocations: 138232
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 64971
Total APNIC prefixes after maximum aggregation: 23341
APNIC Deaggregation factor: 2.78
Prefixes being announced from the APNIC address blocks: 61832
Unique aggregates announced from the APNIC address blocks: 28186
APNIC Region origin ASes present in the Internet Routing Table: 3544
APNIC Prefixes per ASN: 17.45
APNIC Region origin ASes announcing only one prefix: 962
APNIC Region transit ASes present in the Internet Routing Table: 541
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 403551904
Equivalent to 24 /8s, 13 /16s and 182 /24s
Percentage of available APNIC address space announced: 80.2
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: 123950
Total ARIN prefixes after maximum aggregation: 65404
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 93368
Unique aggregates announced from the ARIN address blocks: 35757
ARIN Region origin ASes present in the Internet Routing Table: 12812
ARIN Prefixes per ASN: 7.29
ARIN Region origin ASes announcing only one prefix: 4932
ARIN Region transit ASes present in the Internet Routing Table: 1232
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 416261952
Equivalent to 24 /8s, 207 /16s and 167 /24s
Percentage of available ARIN address space announced: 80.0
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, 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: 63876
Total RIPE prefixes after maximum aggregation: 37468
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 58432
Unique aggregates announced from the RIPE address blocks: 38883
RIPE Region origin ASes present in the Internet Routing Table: 12720
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6675
RIPE Region transit ASes present in the Internet Routing Table: 1923
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 389730016
Equivalent to 23 /8s, 58 /16s and 206 /24s
Percentage of available RIPE address space announced: 83.0
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, 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: 23299
Total LACNIC prefixes after maximum aggregation: 5685
LACNIC Deaggregation factor: 4.10
Prefixes being announced from the LACNIC address blocks: 21479
Unique aggregates announced from the LACNIC address blocks: 11813
LACNIC Region origin ASes present in the Internet Routing Table: 1070
LACNIC Prefixes per ASN: 20.07
LACNIC Region origin ASes announcing only one prefix: 343
LACNIC Region transit ASes present in the Internet Routing Table: 178
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 36
Number of LACNIC addresses announced to Internet: 61079936
Equivalent to 3 /8s, 164 /16s and 1 /24s
Percentage of available LACNIC address space announced: 60.7
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: 4575
Total AfriNIC prefixes after maximum aggregation: 1377
AfriNIC Deaggregation factor: 3.32
Prefixes being announced from the AfriNIC address blocks: 4314
Unique aggregates announced from the AfriNIC address blocks: 1400
AfriNIC Region origin ASes present in the Internet Routing Table: 283
AfriNIC Prefixes per ASN: 15.24
AfriNIC Region origin ASes announcing only one prefix: 83
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: 10061568
Equivalent to 0 /8s, 153 /16s and 135 /24s
Percentage of available AfriNIC address space announced: 30.0
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 1686 6928 395 Korea Telecom (KIX)
17488 1522 117 99 Hathway IP Over Cable Interne
4755 1215 430 181 TATA Communications formerly
9583 1091 86 522 Sify Limited
4134 927 16239 367 CHINANET-BACKBONE
18101 751 198 25 Reliance Infocom Ltd Internet
7545 731 158 101 TPG Internet Pty Ltd
9498 689 297 53 BHARTI BT INTERNET LTD.
24560 675 228 174 Bharti Airtel Ltd.
9829 635 491 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 4365 3688 344 bellsouth.net, inc.
209 2834 4163 616 Qwest
4323 1779 1081 377 Time Warner Telecom
1785 1752 733 139 PaeTec Communications, Inc.
20115 1608 1427 720 Charter Communications
7018 1441 5878 1004 AT&T WorldNet Services
2386 1260 681 899 AT&T Data Communications Serv
6478 1257 300 510 AT&T Worldnet Services
11492 1201 192 12 Cable One
3356 1138 10976 439 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
8452 1233 188 7 TEDATA
30890 445 88 202 SC Kappa Invexim SRL
3292 444 1762 389 TDC Tele Danmark
12479 397 578 6 Uni2 Autonomous System
3320 350 7081 293 Deutsche Telekom AG
3301 339 1669 304 TeliaNet Sweden
8866 337 109 22 Bulgarian Telecommunication C
3215 331 2946 103 France Telecom Transpac
29049 328 26 3 AzerSat LLC.
8551 313 288 40 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 1441 2831 231 UniNet S.A. de C.V.
10620 774 169 94 TVCABLE BOGOTA
11830 694 299 9 Instituto Costarricense de El
22047 614 302 14 VTR PUNTO NET S.A.
7303 513 256 80 Telecom Argentina Stet-France
6471 438 95 32 ENTEL CHILE S.A.
16814 427 27 11 NSS, S.A.
11172 404 118 74 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
28573 373 506 23 NET Servicos de Comunicao 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 665 75 29 LINKdotNET AS number
20858 293 34 3 This AS will be used to conne
3741 271 857 229 The Internet Solution
2018 242 215 142 Tertiary Education Network
33783 150 10 8 EEPAD TISP TELECOM & INTERNET
6713 144 135 11 Itissalat Al-MAGHRIB
29571 130 15 8 Ci Telecom Autonomous system
5536 119 7 20 Internet Egypt Network
33776 118 6 3 Starcomms Nigeria Limited
5713 117 523 65 Telkom SA Ltd
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 4365 3688 344 bellsouth.net, inc.
209 2834 4163 616 Qwest
4323 1779 1081 377 Time Warner Telecom
1785 1752 733 139 PaeTec Communications, Inc.
4766 1686 6928 395 Korea Telecom (KIX)
20115 1608 1427 720 Charter Communications
17488 1522 117 99 Hathway IP Over Cable Interne
7018 1441 5878 1004 AT&T WorldNet Services
8151 1441 2831 231 UniNet S.A. de C.V.
2386 1260 681 899 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2834 2218 Qwest
1785 1752 1613 PaeTec Communications, Inc.
17488 1522 1423 Hathway IP Over Cable Interne
4323 1779 1402 Time Warner Telecom
4766 1686 1291 Korea Telecom (KIX)
8452 1233 1226 TEDATA
8151 1441 1210 UniNet S.A. de C.V.
11492 1201 1189 Cable One
18566 1061 1051 Covad Communications
4755 1215 1034 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 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
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.220.16.0/20 8668 TelOne Zimbabwe P/L
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
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 /11:55 /12:162
/13:317 /14:577 /15:1128 /16:10347 /17:4592 /18:7890
/19:16917 /20:19925 /21:19645 /22:24873 /23:25133 /24:147271
/25:711 /26:844 /27:585 /28:103 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2844 4365 bellsouth.net, inc.
209 1572 2834 Qwest
4766 1393 1686 Korea Telecom (KIX)
17488 1294 1522 Hathway IP Over Cable Interne
8452 1212 1233 TEDATA
11492 1161 1201 Cable One
1785 1158 1752 PaeTec Communications, Inc.
18566 1042 1061 Covad Communications
2386 953 1260 AT&T Data Communications Serv
4323 944 1779 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:173 12:2204 13:2 15:20 16:3
17:4 20:35 24:1117 32:51 38:544 40:96
41:1972 43:1 44:2 47:10 52:3 55:2
56:3 57:25 58:533 59:619 60:458 61:1094
62:1095 63:2014 64:3533 65:2425 66:3546 67:1477
68:661 69:2480 70:505 71:158 72:1616 73:2
74:1430 75:201 76:311 77:785 78:558 79:324
80:971 81:833 82:550 83:410 84:588 85:1004
86:398 87:628 88:349 89:1409 90:42 91:2003
92:271 93:1122 94:1113 95:425 96:90 97:181
98:190 99:16 109:1 112:76 113:78 114:190
115:227 116:1124 117:492 118:286 119:643 120:133
121:711 122:962 123:522 124:937 125:1285 128:221
129:222 130:135 131:411 132:73 133:9 134:336
135:38 136:223 137:139 138:145 139:79 140:413
141:105 142:383 143:341 144:321 145:40 146:373
147:151 148:538 149:228 150:141 151:199 152:151
153:133 154:10 155:260 156:170 157:293 158:128
159:242 160:282 161:138 162:268 163:140 164:517
165:504 166:274 167:354 168:680 169:163 170:471
171:39 172:10 173:231 174:81 178:1 186:6
187:43 188:6 189:297 190:2622 192:5818 193:4221
194:3327 195:2708 196:1058 198:3707 199:3285 200:5507
201:1504 202:7826 203:8013 204:3944 205:2167 206:2349
207:2784 208:3850 209:3475 210:2642 211:1126 212:1494
213:1694 214:69 215:26 216:4552 217:1217 218:366
219:409 220:1218 221:454 222:318
End of report
