Routing Table Report 04:00 +10GMT Sun 31 Aug, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 267400
Prefixes after maximum aggregation: 129570
Deaggregation factor: 2.06
Unique aggregates announced to Internet: 130054
Total ASes present in the Internet Routing Table: 29093
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25323
Origin ASes announcing only one prefix: 12269
Transit ASes present in the Internet Routing Table: 3770
Transit-only ASes present in the Internet Routing Table: 84
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 584
Unregistered ASNs in the Routing Table: 212
Number of 32-bit ASNs allocated by the RIRs: 59
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 756
Number of addresses announced to Internet: 1894921504
Equivalent to 112 /8s, 242 /16s and 53 /24s
Percentage of available address space announced: 51.1
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.3
Total number of prefixes smaller than registry allocations: 131247
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61334
Total APNIC prefixes after maximum aggregation: 22753
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 58284
Unique aggregates announced from the APNIC address blocks: 26188
APNIC Region origin ASes present in the Internet Routing Table: 3347
APNIC Prefixes per ASN: 17.41
APNIC Region origin ASes announcing only one prefix: 887
APNIC Region transit ASes present in the Internet Routing Table: 512
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 374323488
Equivalent to 22 /8s, 79 /16s and 185 /24s
Percentage of available APNIC address space announced: 79.7
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, 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: 122462
Total ARIN prefixes after maximum aggregation: 64807
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91577
Unique aggregates announced from the ARIN address blocks: 35028
ARIN Region origin ASes present in the Internet Routing Table: 12417
ARIN Prefixes per ASN: 7.38
ARIN Region origin ASes announcing only one prefix: 4777
ARIN Region transit ASes present in the Internet Routing Table: 1191
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 360801376
Equivalent to 21 /8s, 129 /16s and 100 /24s
Percentage of available ARIN address space announced: 74.2
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: 57678
Total RIPE prefixes after maximum aggregation: 34980
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52794
Unique aggregates announced from the RIPE address blocks: 35541
RIPE Region origin ASes present in the Internet Routing Table: 11795
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6192
RIPE Region transit ASes present in the Internet Routing Table: 1798
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 370095296
Equivalent to 22 /8s, 15 /16s and 52 /24s
Percentage of available RIPE address space announced: 84.8
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, 47104-48127
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: 21296
Total LACNIC prefixes after maximum aggregation: 5305
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 19544
Unique aggregates announced from the LACNIC address blocks: 10818
LACNIC Region origin ASes present in the Internet Routing Table: 989
LACNIC Prefixes per ASN: 19.76
LACNIC Region origin ASes announcing only one prefix: 326
LACNIC Region transit ASes present in the Internet Routing Table: 167
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 54873600
Equivalent to 3 /8s, 69 /16s and 78 /24s
Percentage of available LACNIC address space announced: 54.5
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: 4046
Total AfriNIC prefixes after maximum aggregation: 1253
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4394
Unique aggregates announced from the AfriNIC address blocks: 1908
AfriNIC Region origin ASes present in the Internet Routing Table: 253
AfriNIC Prefixes per ASN: 17.37
AfriNIC Region origin ASes announcing only one prefix: 87
AfriNIC Region transit ASes present in the Internet Routing Table: 55
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12653824
Equivalent to 0 /8s, 193 /16s and 21 /24s
Percentage of available AfriNIC address space announced: 37.7
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4755 1711 538 180 Videsh Sanchar Nigam Ltd. Aut
17488 1362 89 103 Hathway IP Over Cable Interne
9583 1115 89 491 Sify Limited
4766 871 6407 357 Korea Telecom (KIX)
4134 838 13619 341 CHINANET-BACKBONE
23577 820 35 696 Korea Telecom (ATM-MPLS)
4780 714 353 61 Digital United Inc.
18101 690 167 29 Reliance Infocom Ltd Internet
9498 676 291 52 BHARTI BT INTERNET LTD.
4808 627 1140 138 CNCGROUP IP network: China169
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 4301 3416 343 bellsouth.net, inc.
209 2895 3873 619 Qwest
6298 2013 323 717 Cox Communicatons
1785 1650 710 156 AppliedTheory Corporation
2386 1558 691 900 AT&T Data Communications Serv
4323 1501 1073 374 Time Warner Telecom
20115 1478 1194 670 Charter Communications
7018 1408 5769 977 AT&T WorldNet Services
11492 1211 151 22 Cable One
6478 1134 239 187 AT&T Worldnet Services
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 414 1776 372 TDC Tele Danmark
3215 396 2756 106 France Telecom Transpac
8452 358 188 11 TEDATA
3301 334 1444 305 TeliaNet Sweden
3320 323 7047 271 Deutsche Telekom AG
8866 317 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 288 270 38 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
8708 267 422 252 Romania Data Systems S.A.
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 1591 2608 225 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 478 235 66 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 421 85 48 ENTEL CHILE S.A.
10620 417 102 66 TVCABLE BOGOTA
11172 409 118 73 Servicios Alestra S.A de C.V
14117 345 23 9 Telefonica del Sur S.A.
28573 336 440 29 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 508 65 36 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 266 855 223 The Internet Solution
2018 229 214 135 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 137 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
33776 119 6 3 Starcomms Nigeria Limited
5713 118 539 70 Telkom SA Ltd
29571 107 13 8 Ci Telecom Autonomous system
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 4301 3416 343 bellsouth.net, inc.
209 2895 3873 619 Qwest
6298 2013 323 717 Cox Communicatons
4755 1711 538 180 Videsh Sanchar Nigam Ltd. Aut
1785 1650 710 156 AppliedTheory Corporation
8151 1591 2608 225 UniNet S.A. de C.V.
2386 1558 691 900 AT&T Data Communications Serv
4323 1501 1073 374 Time Warner Telecom
20115 1478 1194 670 Charter Communications
7018 1408 5769 977 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 2895 2276 Qwest
4755 1711 1531 Videsh Sanchar Nigam Ltd. Aut
1785 1650 1494 AppliedTheory Corporation
8151 1591 1366 UniNet S.A. de C.V.
6298 2013 1296 Cox Communicatons
17488 1362 1259 Hathway IP Over Cable Interne
11492 1211 1189 Cable One
4323 1501 1127 Time Warner Telecom
18566 1046 1036 Covad Communications
6478 1134 947 AT&T Worldnet Services
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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.71.0/24 701 UUNET Technologies, Inc.
63.143.115.0/24 701 UUNET Technologies, Inc.
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 /8:18 /9:9 /10:17 /11:45 /12:146
/13:292 /14:527 /15:1061 /16:10052 /17:4380 /18:7620
/19:16073 /20:18761 /21:18408 /22:23183 /23:24250 /24:139872
/25:840 /26:1014 /27:727 /28:88 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2857 4301 bellsouth.net, inc.
6298 1986 2013 Cox Communicatons
209 1662 2895 Qwest
2386 1236 1558 AT&T Data Communications Serv
11492 1192 1211 Cable One
17488 1170 1362 Hathway IP Over Cable Interne
1785 1119 1650 AppliedTheory Corporation
4755 1048 1711 Videsh Sanchar Nigam Ltd. Aut
6478 1027 1134 AT&T Worldnet Services
18566 1027 1046 Covad Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:130 12:2138 13:2 15:22 16:3
17:5 18:13 20:35 24:1082 32:59 38:490
40:92 41:714 43:1 44:2 47:12 52:3
55:3 56:3 57:26 58:526 59:510 60:452
61:962 62:1207 63:2048 64:3235 65:2369 66:3457
67:1230 68:780 69:2294 70:872 71:132 72:2028
73:6 74:1128 75:170 76:314 77:770 78:801
79:239 80:978 81:871 82:583 83:374 84:575
85:981 86:401 87:716 88:339 89:1320 90:37
91:1430 92:251 93:810 94:115 96:62 97:65
98:318 99:6 114:92 115:41 116:1001 117:342
118:200 119:480 120:83 121:586 122:825 123:398
124:836 125:1186 128:352 129:202 130:134 131:413
132:70 133:9 134:188 135:34 136:223 137:93
138:141 139:94 140:507 141:103 142:407 143:311
144:406 145:51 146:370 147:157 148:511 149:204
150:128 151:180 152:144 153:136 154:10 155:279
156:174 157:298 158:163 159:299 160:274 161:136
162:256 163:158 164:516 165:491 166:365 167:332
168:628 169:144 170:429 171:33 172:10 173:33
188:1 189:554 190:2139 192:5788 193:4137 194:3252
195:2573 196:1022 198:3737 199:3307 200:5581 201:1526
202:7633 203:8082 204:3942 205:2155 206:2360 207:2760
208:3523 209:3431 210:2601 211:1088 212:1403 213:1614
214:178 215:50 216:4375 217:1206 218:346 219:433
220:1062 221:428 222:314
End of report