Routing Table Report 04:00 +10GMT Thu 12 Feb, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 279048
Prefixes after maximum aggregation: 132887
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 136729
Total ASes present in the Internet Routing Table: 30534
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 26563
Origin ASes announcing only one prefix: 12939
Transit ASes present in the Internet Routing Table: 3971
Transit-only ASes present in the Internet Routing Table: 92
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN (24523) 16
Prefixes from unregistered ASNs in the Routing Table: 531
Unregistered ASNs in the Routing Table: 182
Number of 32-bit ASNs allocated by the RIRs: 101
Prefixes from 32-bit ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 228
Number of addresses announced to Internet: 2000342368
Equivalent to 119 /8s, 58 /16s and 205 /24s
Percentage of available address space announced: 54.0
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 85.5
Percentage of address space in use by end-sites: 75.7
Total number of prefixes smaller than registry allocations: 136843
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 64454
Total APNIC prefixes after maximum aggregation: 23016
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 61296
Unique aggregates announced from the APNIC address blocks: 27749
APNIC Region origin ASes present in the Internet Routing Table: 3530
APNIC Prefixes per ASN: 17.36
APNIC Region origin ASes announcing only one prefix: 955
APNIC Region transit ASes present in the Internet Routing Table: 550
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 400055520
Equivalent to 23 /8s, 216 /16s and 92 /24s
Percentage of available APNIC address space announced: 79.5
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: 123309
Total ARIN prefixes after maximum aggregation: 65177
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 92789
Unique aggregates announced from the ARIN address blocks: 35483
ARIN Region origin ASes present in the Internet Routing Table: 12763
ARIN Prefixes per ASN: 7.27
ARIN Region origin ASes announcing only one prefix: 4905
ARIN Region transit ASes present in the Internet Routing Table: 1225
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 414405920
Equivalent to 24 /8s, 179 /16s and 85 /24s
Percentage of available ARIN address space announced: 79.7
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, 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: 63109
Total RIPE prefixes after maximum aggregation: 37219
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 57929
Unique aggregates announced from the RIPE address blocks: 38678
RIPE Region origin ASes present in the Internet Routing Table: 12640
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 6652
RIPE Region transit ASes present in the Internet Routing Table: 1920
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 388583008
Equivalent to 23 /8s, 41 /16s and 78 /24s
Percentage of available RIPE address space announced: 82.7
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, 47104-49151
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: 23190
Total LACNIC prefixes after maximum aggregation: 5683
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 21350
Unique aggregates announced from the LACNIC address blocks: 11769
LACNIC Region origin ASes present in the Internet Routing Table: 1060
LACNIC Prefixes per ASN: 20.14
LACNIC Region origin ASes announcing only one prefix: 341
LACNIC Region transit ASes present in the Internet Routing Table: 176
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 60593024
Equivalent to 3 /8s, 156 /16s and 147 /24s
Percentage of available LACNIC address space announced: 60.2
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: 4487
Total AfriNIC prefixes after maximum aggregation: 1381
AfriNIC Deaggregation factor: 3.25
Prefixes being announced from the AfriNIC address blocks: 4039
Unique aggregates announced from the AfriNIC address blocks: 1372
AfriNIC Region origin ASes present in the Internet Routing Table: 281
AfriNIC Prefixes per ASN: 14.37
AfriNIC Region origin ASes announcing only one prefix: 86
AfriNIC Region transit ASes present in the Internet Routing Table: 55
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 9974528
Equivalent to 0 /8s, 152 /16s and 51 /24s
Percentage of available AfriNIC address space announced: 29.7
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 1650 6924 380 Korea Telecom (KIX)
17488 1522 110 97 Hathway IP Over Cable Interne
4755 1203 429 178 TATA Communications formerly
9583 1078 107 360 Sify Limited
4134 904 16247 368 CHINANET-BACKBONE
18101 751 190 27 Reliance Infocom Ltd Internet
7545 719 158 97 TPG Internet Pty Ltd
9498 681 297 53 BHARTI BT INTERNET LTD.
24560 671 228 174 Bharti Airtel Ltd.
9829 639 491 19 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 4371 3433 344 bellsouth.net, inc.
209 2827 4036 617 Qwest
1785 1786 733 139 PaeTec Communications, Inc.
4323 1639 1081 375 Time Warner Telecom
20115 1592 1418 726 Charter Communications
7018 1441 5877 995 AT&T WorldNet Services
2386 1253 715 894 AT&T Data Communications Serv
6478 1236 293 497 AT&T Worldnet Services
11492 1223 192 12 Cable One
3356 1140 10976 438 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 1047 188 7 TEDATA
3292 443 1762 388 TDC Tele Danmark
30890 439 88 201 SC Kappa Invexim SRL
12479 397 578 6 Uni2 Autonomous System
3320 339 7064 290 Deutsche Telekom AG
3301 338 1669 304 TeliaNet Sweden
3215 336 2946 103 France Telecom Transpac
8866 336 109 22 Bulgarian Telecommunication C
29049 331 26 3 AzerSat LLC.
8551 312 288 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 1483 2834 230 UniNet S.A. de C.V.
10620 740 162 96 TVCABLE BOGOTA
11830 692 299 9 Instituto Costarricense de El
22047 619 302 14 VTR PUNTO NET S.A.
7303 509 253 79 Telecom Argentina Stet-France
6471 439 95 42 ENTEL CHILE S.A.
16814 426 27 10 NSS, S.A.
11172 407 118 75 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
28573 371 506 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 651 74 39 LINKdotNET AS number
20858 278 34 3 This AS will be used to conne
3741 270 857 228 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 128 15 8 Ci Telecom Autonomous system
5536 119 7 20 Internet Egypt Network
5713 117 555 66 Telkom SA Ltd
33776 113 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 4371 3433 344 bellsouth.net, inc.
209 2827 4036 617 Qwest
1785 1786 733 139 PaeTec Communications, Inc.
4766 1650 6924 380 Korea Telecom (KIX)
4323 1639 1081 375 Time Warner Telecom
20115 1592 1418 726 Charter Communications
17488 1522 110 97 Hathway IP Over Cable Interne
8151 1483 2834 230 UniNet S.A. de C.V.
7018 1441 5877 995 AT&T WorldNet Services
2386 1253 715 894 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 2827 2210 Qwest
1785 1786 1647 PaeTec Communications, Inc.
17488 1522 1425 Hathway IP Over Cable Interne
4766 1650 1270 Korea Telecom (KIX)
4323 1639 1264 Time Warner Telecom
8151 1483 1253 UniNet S.A. de C.V.
11492 1223 1211 Cable One
18566 1061 1051 Covad Communications
8452 1047 1040 TEDATA
4755 1203 1025 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
62.12.96.0/19 15834 MenaNet network Autonomous Sy
62.12.107.0/24 15834 MenaNet network Autonomous Sy
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 /11:54 /12:162
/13:309 /14:574 /15:1128 /16:10333 /17:4585 /18:7862
/19:16909 /20:19853 /21:19452 /22:24659 /23:24905 /24:146084
/25:678 /26:824 /27:510 /28:102 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2847 4371 bellsouth.net, inc.
209 1568 2827 Qwest
4766 1379 1650 Korea Telecom (KIX)
17488 1303 1522 Hathway IP Over Cable Interne
1785 1198 1786 PaeTec Communications, Inc.
11492 1187 1223 Cable One
18566 1042 1061 Covad Communications
8452 1019 1047 TEDATA
2386 943 1253 AT&T Data Communications Serv
9583 926 1078 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:179 12:2197 13:2 15:21 16:3
17:5 20:35 24:1115 32:51 38:541 40:96
41:1761 43:1 44:2 47:11 52:3 55:2
56:3 57:26 58:520 59:611 60:459 61:1098
62:1119 63:2001 64:3410 65:2423 66:3530 67:1468
68:649 69:2445 70:526 71:159 72:1595 73:2
74:1410 75:203 76:302 77:770 78:546 79:320
80:964 81:823 82:548 83:394 84:606 85:988
86:400 87:626 88:348 89:1377 90:41 91:1955
92:274 93:1080 94:1076 95:405 96:95 97:180
98:193 99:16 109:1 110:1 111:1 112:77
113:83 114:167 115:223 116:1160 117:480 118:269
119:644 120:132 121:702 122:937 123:511 124:849
125:1276 128:223 129:222 130:134 131:412 132:73
133:9 134:344 135:37 136:225 137:139 138:145
139:80 140:412 141:105 142:377 143:338 144:320
145:39 146:373 147:147 148:526 149:227 150:140
151:197 152:151 153:132 154:10 155:257 156:171
157:294 158:157 159:239 160:280 161:138 162:274
163:142 164:515 165:501 166:274 167:352 168:682
169:161 170:473 171:40 172:10 173:210 174:61
178:1 186:5 187:60 189:306 190:2535 192:5810
193:4187 194:3324 195:2684 196:1055 198:3692 199:3287
200:5489 201:1485 202:7798 203:7989 204:3925 205:2155
206:2356 207:2767 208:3827 209:3471 210:2613 211:1123
212:1509 213:1694 214:69 215:30 216:4582 217:1205
218:373 219:407 220:1209 221:455 222:304
End of report