Routing Table Report 04:00 +10GMT Thu 04 Sep, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 267544
Prefixes after maximum aggregation: 129602
Deaggregation factor: 2.06
Unique aggregates announced to Internet: 130102
Total ASes present in the Internet Routing Table: 29113
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25334
Origin ASes announcing only one prefix: 12299
Transit ASes present in the Internet Routing Table: 3779
Transit-only ASes present in the Internet Routing Table: 82
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: 564
Unregistered ASNs in the Routing Table: 210
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: 755
Number of addresses announced to Internet: 1895385632
Equivalent to 112 /8s, 249 /16s and 74 /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: 73.4
Total number of prefixes smaller than registry allocations: 131384
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61531
Total APNIC prefixes after maximum aggregation: 22751
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 58463
Unique aggregates announced from the APNIC address blocks: 26273
APNIC Region origin ASes present in the Internet Routing Table: 3358
APNIC Prefixes per ASN: 17.41
APNIC Region origin ASes announcing only one prefix: 899
APNIC Region transit ASes present in the Internet Routing Table: 519
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 374536992
Equivalent to 22 /8s, 82 /16s and 251 /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: 122434
Total ARIN prefixes after maximum aggregation: 64816
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91388
Unique aggregates announced from the ARIN address blocks: 34991
ARIN Region origin ASes present in the Internet Routing Table: 12425
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4787
ARIN Region transit ASes present in the Internet Routing Table: 1189
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 360894048
Equivalent to 21 /8s, 130 /16s and 206 /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: 57626
Total RIPE prefixes after maximum aggregation: 34991
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52774
Unique aggregates announced from the RIPE address blocks: 35484
RIPE Region origin ASes present in the Internet Routing Table: 11795
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 6200
RIPE Region transit ASes present in the Internet Routing Table: 1799
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 369856704
Equivalent to 22 /8s, 11 /16s and 144 /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: 21346
Total LACNIC prefixes after maximum aggregation: 5327
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 19584
Unique aggregates announced from the LACNIC address blocks: 10839
LACNIC Region origin ASes present in the Internet Routing Table: 993
LACNIC Prefixes per ASN: 19.72
LACNIC Region origin ASes announcing only one prefix: 327
LACNIC Region transit ASes present in the Internet Routing Table: 168
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 54873344
Equivalent to 3 /8s, 69 /16s and 77 /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: 4043
Total AfriNIC prefixes after maximum aggregation: 1248
AfriNIC Deaggregation factor: 3.24
Prefixes being announced from the AfriNIC address blocks: 4365
Unique aggregates announced from the AfriNIC address blocks: 1942
AfriNIC Region origin ASes present in the Internet Routing Table: 254
AfriNIC Prefixes per ASN: 17.19
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: 16
Number of AfriNIC addresses announced to Internet: 12661760
Equivalent to 0 /8s, 193 /16s and 52 /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 1713 538 180 Videsh Sanchar Nigam Ltd. Aut
17488 1366 90 103 Hathway IP Over Cable Interne
9583 1108 89 493 Sify Limited
4766 872 6407 357 Korea Telecom (KIX)
4134 838 13627 342 CHINANET-BACKBONE
23577 819 34 694 Korea Telecom (ATM-MPLS)
4780 714 353 61 Digital United Inc.
18101 714 167 29 Reliance Infocom Ltd Internet
9498 676 291 53 BHARTI BT INTERNET LTD.
4808 628 1152 137 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 4286 3416 336 bellsouth.net, inc.
209 2896 3873 617 Qwest
6298 1996 319 735 Cox Communicatons
1785 1648 710 154 AppliedTheory Corporation
2386 1559 691 899 AT&T Data Communications Serv
20115 1525 1259 701 Charter Communications
4323 1501 1073 375 Time Warner Telecom
7018 1398 5784 977 AT&T WorldNet Services
11492 1211 151 22 Cable One
6478 1139 239 181 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 415 1776 373 TDC Tele Danmark
3215 396 2756 106 France Telecom Transpac
3301 334 1444 305 TeliaNet Sweden
8452 328 188 11 TEDATA
3320 325 7063 273 Deutsche Telekom AG
8866 317 77 21 Bulgarian Telecommunication C
5462 295 666 26 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 1574 2592 226 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 485 239 67 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 421 85 48 ENTEL CHILE S.A.
10620 421 103 66 TVCABLE BOGOTA
11172 407 118 71 Servicios Alestra S.A de C.V
14117 343 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 515 65 36 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 266 855 223 The Internet Solution
2018 233 214 138 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 122 10 9 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
33776 119 6 3 Starcomms Nigeria Limited
5713 118 555 68 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 4286 3416 336 bellsouth.net, inc.
209 2896 3873 617 Qwest
6298 1996 319 735 Cox Communicatons
4755 1713 538 180 Videsh Sanchar Nigam Ltd. Aut
1785 1648 710 154 AppliedTheory Corporation
8151 1574 2592 226 UniNet S.A. de C.V.
2386 1559 691 899 AT&T Data Communications Serv
20115 1525 1259 701 Charter Communications
4323 1501 1073 375 Time Warner Telecom
7018 1398 5784 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 2896 2279 Qwest
4755 1713 1533 Videsh Sanchar Nigam Ltd. Aut
1785 1648 1494 AppliedTheory Corporation
8151 1574 1348 UniNet S.A. de C.V.
17488 1366 1263 Hathway IP Over Cable Interne
6298 1996 1261 Cox Communicatons
11492 1211 1189 Cable One
4323 1501 1126 Time Warner Telecom
18566 1046 1036 Covad Communications
6478 1139 958 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
24.75.160.0/19 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 /14:526 /15:1059 /16:10062 /17:4372 /18:7630
/19:16060 /20:18758 /21:18456 /22:23202 /23:24238 /24:139940
/25:849 /26:1029 /27:731 /28:88 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2847 4286 bellsouth.net, inc.
6298 1971 1996 Cox Communicatons
209 1663 2896 Qwest
2386 1237 1559 AT&T Data Communications Serv
11492 1192 1211 Cable One
17488 1174 1366 Hathway IP Over Cable Interne
1785 1119 1648 AppliedTheory Corporation
4755 1050 1713 Videsh Sanchar Nigam Ltd. Aut
6478 1032 1139 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 8:137 12:2145 13:2 15:22 16:3
17:5 18:13 20:35 24:1071 32:59 38:491
40:92 41:711 43:1 44:2 47:12 52:3
55:3 56:3 57:26 58:526 59:505 60:453
61:961 62:1212 63:2046 64:3227 65:2363 66:3461
67:1230 68:772 69:2298 70:850 71:132 72:2022
73:6 74:1130 75:171 76:278 77:782 78:798
79:249 80:975 81:858 82:563 83:375 84:567
85:974 86:400 87:712 88:338 89:1323 90:37
91:1439 92:254 93:819 94:128 96:63 97:66
98:321 99:7 114:92 115:40 116:1016 117:331
118:199 119:482 120:83 121:587 122:832 123:401
124:850 125:1193 128:356 129:202 130:134 131:411
132:70 133:9 134:188 135:34 136:223 137:93
138:141 139:93 140:502 141:102 142:407 143:321
144:404 145:51 146:370 147:157 148:515 149:205
150:128 151:181 152:145 153:136 154:10 155:283
156:174 157:297 158:163 159:300 160:272 161:137
162:253 163:155 164:516 165:495 166:365 167:447
168:629 169:144 170:429 171:33 172:10 173:33
188:1 189:559 190:2135 192:5798 193:4142 194:3244
195:2576 196:993 198:3734 199:3299 200:5594 201:1527
202:7681 203:8081 204:3936 205:2150 206:2347 207:2746
208:3527 209:3428 210:2597 211:1088 212:1420 213:1601
214:179 215:50 216:4349 217:1208 218:347 219:435
220:1064 221:425 222:315
End of report