Routing Table Report 04:00 +10GMT Wed 17 Sep, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 268517
Prefixes after maximum aggregation: 129584
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 130541
Total ASes present in the Internet Routing Table: 29208
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25387
Origin ASes announcing only one prefix: 12357
Transit ASes present in the Internet Routing Table: 3821
Transit-only ASes present in the Internet Routing Table: 85
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: 561
Unregistered ASNs in the Routing Table: 208
Number of 32-bit ASNs allocated by the RIRs: 60
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 759
Number of addresses announced to Internet: 1919014688
Equivalent to 114 /8s, 97 /16s and 215 /24s
Percentage of available address space announced: 51.8
Percentage of allocated address space announced: 62.9
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.6
Total number of prefixes smaller than registry allocations: 131704
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62181
Total APNIC prefixes after maximum aggregation: 22875
APNIC Deaggregation factor: 2.72
Prefixes being announced from the APNIC address blocks: 59091
Unique aggregates announced from the APNIC address blocks: 26432
APNIC Region origin ASes present in the Internet Routing Table: 3380
APNIC Prefixes per ASN: 17.48
APNIC Region origin ASes announcing only one prefix: 908
APNIC Region transit ASes present in the Internet Routing Table: 533
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 376133920
Equivalent to 22 /8s, 107 /16s and 89 /24s
Percentage of available APNIC address space announced: 80.1
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: 122118
Total ARIN prefixes after maximum aggregation: 64546
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91417
Unique aggregates announced from the ARIN address blocks: 35126
ARIN Region origin ASes present in the Internet Routing Table: 12422
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4802
ARIN Region transit ASes present in the Internet Routing Table: 1203
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 363582688
Equivalent to 21 /8s, 171 /16s and 212 /24s
Percentage of available ARIN address space announced: 74.7
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, 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: 57984
Total RIPE prefixes after maximum aggregation: 35115
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 53180
Unique aggregates announced from the RIPE address blocks: 35622
RIPE Region origin ASes present in the Internet Routing Table: 11868
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6238
RIPE Region transit ASes present in the Internet Routing Table: 1810
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 371809600
Equivalent to 22 /8s, 41 /16s and 93 /24s
Percentage of available RIPE address space announced: 85.2
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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 21619
Total LACNIC prefixes after maximum aggregation: 5331
LACNIC Deaggregation factor: 4.06
Prefixes being announced from the LACNIC address blocks: 19829
Unique aggregates announced from the LACNIC address blocks: 10948
LACNIC Region origin ASes present in the Internet Routing Table: 997
LACNIC Prefixes per ASN: 19.89
LACNIC Region origin ASes announcing only one prefix: 329
LACNIC Region transit ASes present in the Internet Routing Table: 170
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 55524864
Equivalent to 3 /8s, 79 /16s and 62 /24s
Percentage of available LACNIC address space announced: 55.2
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: 4057
Total AfriNIC prefixes after maximum aggregation: 1253
AfriNIC Deaggregation factor: 3.24
Prefixes being announced from the AfriNIC address blocks: 4310
Unique aggregates announced from the AfriNIC address blocks: 2005
AfriNIC Region origin ASes present in the Internet Routing Table: 254
AfriNIC Prefixes per ASN: 16.97
AfriNIC Region origin ASes announcing only one prefix: 80
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: 12710912
Equivalent to 0 /8s, 193 /16s and 244 /24s
Percentage of available AfriNIC address space announced: 37.9
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 1718 538 181 Videsh Sanchar Nigam Ltd. Aut
17488 1387 94 102 Hathway IP Over Cable Interne
9583 1138 89 487 Sify Limited
4766 876 6408 360 Korea Telecom (KIX)
4134 841 13651 345 CHINANET-BACKBONE
23577 818 34 693 Korea Telecom (ATM-MPLS)
18101 765 152 51 Reliance Infocom Ltd Internet
4780 715 353 61 Digital United Inc.
9498 676 291 54 BHARTI BT INTERNET LTD.
4808 630 1164 139 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 4293 3416 338 bellsouth.net, inc.
209 2916 4001 619 Qwest
6298 1972 315 747 Cox Communicatons
20115 1688 1424 713 Charter Communications
1785 1654 710 156 AppliedTheory Corporation
2386 1542 691 889 AT&T Data Communications Serv
4323 1520 1073 375 Time Warner Telecom
7018 1403 5802 975 AT&T WorldNet Services
11492 1210 151 19 Cable One
6478 1168 240 192 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 420 1777 377 TDC Tele Danmark
3301 332 1444 303 TeliaNet Sweden
30890 329 87 175 SC Kappa Invexim SRL
3215 327 2756 106 France Telecom Transpac
3320 324 7063 273 Deutsche Telekom AG
8866 318 77 21 Bulgarian Telecommunication C
5462 296 794 27 Telewest Broadband
8551 286 270 37 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
8708 267 422 250 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 1599 2598 225 UniNet S.A. de C.V.
11830 667 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 490 241 70 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
10620 425 104 60 TVCABLE BOGOTA
6471 420 85 48 ENTEL CHILE S.A.
11172 409 118 72 Servicios Alestra S.A de C.V
28573 349 443 28 NET Servicos de Comunicao S.A
14117 345 23 9 Telefonica del Sur 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 514 67 31 LINKdotNET AS number
20858 403 34 3 EgyNet
3741 265 855 223 The Internet Solution
2018 232 215 139 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
5713 118 555 68 Telkom SA Ltd
33776 116 6 3 Starcomms Nigeria Limited
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 4293 3416 338 bellsouth.net, inc.
209 2916 4001 619 Qwest
6298 1972 315 747 Cox Communicatons
4755 1718 538 181 Videsh Sanchar Nigam Ltd. Aut
20115 1688 1424 713 Charter Communications
1785 1654 710 156 AppliedTheory Corporation
8151 1599 2598 225 UniNet S.A. de C.V.
2386 1542 691 889 AT&T Data Communications Serv
4323 1520 1073 375 Time Warner Telecom
7018 1403 5802 975 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 2916 2297 Qwest
4755 1718 1537 Videsh Sanchar Nigam Ltd. Aut
1785 1654 1498 AppliedTheory Corporation
8151 1599 1374 UniNet S.A. de C.V.
17488 1387 1285 Hathway IP Over Cable Interne
6298 1972 1225 Cox Communicatons
11492 1210 1191 Cable One
4323 1520 1145 Time Warner Telecom
18566 1049 1039 Covad Communications
6478 1168 976 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 7018 AT&T WorldNet Servic
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
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
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
63.143.251.0/24 22555 Universal Talkware Corporatio
63.248.0.0/16 3356 Level 3 Communications, LLC
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 /9:9 /10:17 /11:45 /12:147
/13:294 /14:527 /15:1070 /16:10086 /17:4381 /18:7712
/19:16139 /20:19039 /21:18609 /22:23278 /23:24410 /24:140200
/25:782 /26:948 /27:743 /28:45 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2846 4293 bellsouth.net, inc.
6298 1947 1972 Cox Communicatons
209 1683 2916 Qwest
2386 1223 1542 AT&T Data Communications Serv
17488 1194 1387 Hathway IP Over Cable Interne
11492 1191 1210 Cable One
1785 1123 1654 AppliedTheory Corporation
6478 1061 1168 AT&T Worldnet Services
4755 1054 1718 Videsh Sanchar Nigam Ltd. Aut
18566 1030 1049 Covad Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:138 12:2140 13:2 15:21 16:3
17:5 18:13 20:35 24:1087 32:59 38:492
40:92 41:668 43:1 44:2 47:12 52:3
55:3 56:3 57:24 58:522 59:517 60:451
61:969 62:1220 63:2030 64:3219 65:2376 66:3464
67:1240 68:774 69:2305 70:845 71:170 72:2025
73:7 74:1173 75:170 76:266 77:804 78:821
79:257 80:950 81:844 82:584 83:370 84:574
85:1020 86:392 87:712 88:336 89:1339 90:21
91:1492 92:237 93:752 94:145 96:64 97:77
98:320 99:8 114:100 115:46 116:989 117:365
118:234 119:489 120:83 121:594 122:850 123:442
124:854 125:1194 128:357 129:201 130:133 131:411
132:70 133:9 134:178 135:32 136:223 137:93
138:142 139:93 140:507 141:102 142:408 143:289
144:364 145:51 146:370 147:157 148:512 149:208
150:127 151:181 152:146 153:136 154:10 155:283
156:176 157:299 158:163 159:301 160:275 161:138
162:255 163:151 164:516 165:493 166:361 167:331
168:635 169:143 170:441 171:33 172:10 173:33
186:1 187:10 188:1 189:613 190:2224 192:5708
193:4133 194:3249 195:2571 196:989 198:3718 199:3294
200:5581 201:1525 202:7854 203:8073 204:3926 205:2126
206:2310 207:2736 208:3581 209:3405 210:2599 211:1093
212:1419 213:1622 214:175 215:50 216:4356 217:1212
218:346 219:435 220:1062 221:427 222:316
End of report