Routing Table Report 04:00 +10GMT Thu 18 Sep, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 269135
Prefixes after maximum aggregation: 129790
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 131033
Total ASes present in the Internet Routing Table: 29242
Prefixes per ASN: 9.20
Origin-only ASes present in the Internet Routing Table: 25416
Origin ASes announcing only one prefix: 12373
Transit ASes present in the Internet Routing Table: 3826
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: 207
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: 755
Number of addresses announced to Internet: 1921021984
Equivalent to 114 /8s, 128 /16s and 120 /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: 132012
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62228
Total APNIC prefixes after maximum aggregation: 22891
APNIC Deaggregation factor: 2.72
Prefixes being announced from the APNIC address blocks: 59139
Unique aggregates announced from the APNIC address blocks: 26470
APNIC Region origin ASes present in the Internet Routing Table: 3382
APNIC Prefixes per ASN: 17.49
APNIC Region origin ASes announcing only one prefix: 909
APNIC Region transit ASes present in the Internet Routing Table: 534
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 376130080
Equivalent to 22 /8s, 107 /16s and 74 /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: 122244
Total ARIN prefixes after maximum aggregation: 64567
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91520
Unique aggregates announced from the ARIN address blocks: 35195
ARIN Region origin ASes present in the Internet Routing Table: 12436
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4805
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: 363949536
Equivalent to 21 /8s, 177 /16s and 109 /24s
Percentage of available ARIN address space announced: 74.8
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: 58221
Total RIPE prefixes after maximum aggregation: 35214
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 53352
Unique aggregates announced from the RIPE address blocks: 35816
RIPE Region origin ASes present in the Internet Routing Table: 11883
RIPE Prefixes per ASN: 4.49
RIPE Region origin ASes announcing only one prefix: 6252
RIPE Region transit ASes present in the Internet Routing Table: 1811
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 372197952
Equivalent to 22 /8s, 47 /16s and 74 /24s
Percentage of available RIPE address space announced: 85.3
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: 21829
Total LACNIC prefixes after maximum aggregation: 5388
LACNIC Deaggregation factor: 4.05
Prefixes being announced from the LACNIC address blocks: 20022
Unique aggregates announced from the LACNIC address blocks: 11086
LACNIC Region origin ASes present in the Internet Routing Table: 999
LACNIC Prefixes per ASN: 20.04
LACNIC Region origin ASes announcing only one prefix: 327
LACNIC Region transit ASes present in the Internet Routing Table: 172
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 56661504
Equivalent to 3 /8s, 96 /16s and 150 /24s
Percentage of available LACNIC address space announced: 56.3
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: 4052
Total AfriNIC prefixes after maximum aggregation: 1267
AfriNIC Deaggregation factor: 3.20
Prefixes being announced from the AfriNIC address blocks: 4377
Unique aggregates announced from the AfriNIC address blocks: 2026
AfriNIC Region origin ASes present in the Internet Routing Table: 255
AfriNIC Prefixes per ASN: 17.16
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: 16
Number of AfriNIC addresses announced to Internet: 12713984
Equivalent to 0 /8s, 194 /16s and 0 /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 1719 538 181 Videsh Sanchar Nigam Ltd. Aut
17488 1385 94 101 Hathway IP Over Cable Interne
9583 1130 86 475 Sify Limited
4766 875 6407 359 Korea Telecom (KIX)
4134 841 13651 345 CHINANET-BACKBONE
23577 819 34 694 Korea Telecom (ATM-MPLS)
18101 766 152 51 Reliance Infocom Ltd Internet
4780 716 353 61 Digital United Inc.
9498 676 291 54 BHARTI BT INTERNET LTD.
4808 629 1156 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 4294 3416 339 bellsouth.net, inc.
209 2918 4001 617 Qwest
6298 1980 316 736 Cox Communicatons
20115 1688 1424 712 Charter Communications
1785 1655 710 156 AppliedTheory Corporation
2386 1549 691 891 AT&T Data Communications Serv
4323 1514 1065 368 Time Warner Telecom
7018 1399 5801 972 AT&T WorldNet Services
11492 1210 151 19 Cable One
6478 1169 241 185 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
8452 328 188 11 TEDATA
3215 327 2756 106 France Telecom Transpac
3320 324 7063 273 Deutsche Telekom AG
8866 319 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
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 1736 2871 227 UniNet S.A. de C.V.
11830 668 299 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 348 443 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 515 67 32 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
29571 107 13 8 Ci Telecom Autonomous system
33776 96 6 7 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 4294 3416 339 bellsouth.net, inc.
209 2918 4001 617 Qwest
6298 1980 316 736 Cox Communicatons
8151 1736 2871 227 UniNet S.A. de C.V.
4755 1719 538 181 Videsh Sanchar Nigam Ltd. Aut
20115 1688 1424 712 Charter Communications
1785 1655 710 156 AppliedTheory Corporation
2386 1549 691 891 AT&T Data Communications Serv
4323 1514 1065 368 Time Warner Telecom
7018 1399 5801 972 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 2918 2301 Qwest
4755 1719 1538 Videsh Sanchar Nigam Ltd. Aut
8151 1736 1509 UniNet S.A. de C.V.
1785 1655 1499 AppliedTheory Corporation
17488 1385 1284 Hathway IP Over Cable Interne
6298 1980 1244 Cox Communicatons
11492 1210 1191 Cable One
4323 1514 1146 Time Warner Telecom
18566 1049 1039 Covad Communications
6478 1169 984 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
63.143.71.0/24 701 UUNET Technologies, Inc.
63.143.115.0/24 701 UUNET Technologies, Inc.
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 /14:528 /15:1072 /16:10086 /17:4386 /18:7717
/19:16279 /20:19066 /21:18596 /22:23310 /23:24439 /24:140529
/25:787 /26:952 /27:751 /28:89 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2847 4294 bellsouth.net, inc.
6298 1955 1980 Cox Communicatons
209 1682 2918 Qwest
2386 1230 1549 AT&T Data Communications Serv
17488 1192 1385 Hathway IP Over Cable Interne
11492 1191 1210 Cable One
1785 1124 1655 AppliedTheory Corporation
6478 1062 1169 AT&T Worldnet Services
4755 1056 1719 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 12:2144 13:2 15:21 16:3
17:5 18:13 20:35 24:1085 32:59 38:492
40:91 41:713 43:1 44:2 47:12 52:3
55:3 56:3 57:27 58:523 59:518 60:451
61:971 62:1205 63:2034 64:3218 65:2379 66:3451
67:1240 68:780 69:2308 70:847 71:170 72:2027
73:7 74:1176 75:170 76:266 77:805 78:831
79:257 80:951 81:848 82:584 83:372 84:575
85:1020 86:397 87:712 88:336 89:1356 90:21
91:1493 92:254 93:832 94:145 96:64 97:79
98:320 99:8 114:99 115:45 116:984 117:366
118:255 119:493 120:83 121:593 122:852 123:443
124:854 125:1193 128:357 129:201 130:134 131:411
132:70 133:9 134:178 135:32 136:223 137:93
138:142 139:93 140:507 141:102 142:408 143:306
144:332 145:51 146:370 147:157 148:518 149:209
150:127 151:180 152:146 153:136 154:10 155:283
156:175 157:299 158:166 159:300 160:275 161:138
162:255 163:151 164:516 165:499 166:366 167:331
168:628 169:143 170:440 171:33 172:10 173:33
186:1 187:10 188:1 189:610 190:2223 192:5723
193:4139 194:3252 195:2571 196:988 198:3727 199:3297
200:5585 201:1530 202:7850 203:8082 204:3936 205:2127
206:2357 207:2736 208:3590 209:3403 210:2605 211:1094
212:1438 213:1617 214:178 215:50 216:4355 217:1213
218:348 219:436 220:1062 221:415 222:316
End of report