Routing Table Report 04:00 +10GMT Fri 05 Sep, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 267111
Prefixes after maximum aggregation: 129542
Deaggregation factor: 2.06
Unique aggregates announced to Internet: 130087
Total ASes present in the Internet Routing Table: 29122
Prefixes per ASN: 9.17
Origin-only ASes present in the Internet Routing Table: 25339
Origin ASes announcing only one prefix: 12292
Transit ASes present in the Internet Routing Table: 3783
Transit-only ASes present in the Internet Routing Table: 83
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: 565
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: 1895958688
Equivalent to 113 /8s, 2 /16s and 8 /24s
Percentage of available address space announced: 51.2
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: 131069
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61529
Total APNIC prefixes after maximum aggregation: 22757
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 58455
Unique aggregates announced from the APNIC address blocks: 26238
APNIC Region origin ASes present in the Internet Routing Table: 3360
APNIC Prefixes per ASN: 17.40
APNIC Region origin ASes announcing only one prefix: 897
APNIC Region transit ASes present in the Internet Routing Table: 520
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 374954272
Equivalent to 22 /8s, 89 /16s and 89 /24s
Percentage of available APNIC address space announced: 79.8
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: 121923
Total ARIN prefixes after maximum aggregation: 64706
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 91253
Unique aggregates announced from the ARIN address blocks: 35013
ARIN Region origin ASes present in the Internet Routing Table: 12426
ARIN Prefixes per ASN: 7.34
ARIN Region origin ASes announcing only one prefix: 4788
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: 360899040
Equivalent to 21 /8s, 130 /16s and 225 /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: 57734
Total RIPE prefixes after maximum aggregation: 35014
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52887
Unique aggregates announced from the RIPE address blocks: 35510
RIPE Region origin ASes present in the Internet Routing Table: 11804
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6194
RIPE Region transit ASes present in the Internet Routing Table: 1805
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 370226112
Equivalent to 22 /8s, 17 /16s and 51 /24s
Percentage of available RIPE address space announced: 84.9
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: 21298
Total LACNIC prefixes after maximum aggregation: 5343
LACNIC Deaggregation factor: 3.99
Prefixes being announced from the LACNIC address blocks: 19374
Unique aggregates announced from the LACNIC address blocks: 10808
LACNIC Region origin ASes present in the Internet Routing Table: 988
LACNIC Prefixes per ASN: 19.61
LACNIC Region origin ASes announcing only one prefix: 326
LACNIC Region transit ASes present in the Internet Routing Table: 166
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 54644480
Equivalent to 3 /8s, 65 /16s and 207 /24s
Percentage of available LACNIC address space announced: 54.3
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: 4062
Total AfriNIC prefixes after maximum aggregation: 1252
AfriNIC Deaggregation factor: 3.24
Prefixes being announced from the AfriNIC address blocks: 4377
Unique aggregates announced from the AfriNIC address blocks: 1962
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: 87
AfriNIC Region transit ASes present in the Internet Routing Table: 56
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 12662272
Equivalent to 0 /8s, 193 /16s and 54 /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 1371 90 101 Hathway IP Over Cable Interne
9583 1148 89 495 Sify Limited
4766 866 6405 355 Korea Telecom (KIX)
4134 841 13651 345 CHINANET-BACKBONE
23577 821 35 696 Korea Telecom (ATM-MPLS)
18101 715 167 29 Reliance Infocom Ltd Internet
4780 714 353 61 Digital United Inc.
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 2900 3873 617 Qwest
6298 1972 315 758 Cox Communicatons
1785 1649 710 154 AppliedTheory Corporation
2386 1559 691 898 AT&T Data Communications Serv
20115 1521 1259 701 Charter Communications
4323 1502 1073 375 Time Warner Telecom
7018 1402 5785 978 AT&T WorldNet Services
11492 1213 151 18 Cable One
6478 1140 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
3301 334 1444 305 TeliaNet Sweden
8452 328 188 11 TEDATA
3215 327 2756 106 France Telecom Transpac
3320 325 7063 273 Deutsche Telekom AG
8866 317 77 21 Bulgarian Telecommunication C
5462 295 666 26 Telewest Broadband
8551 287 270 37 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 1583 2608 228 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.
10620 422 103 62 TVCABLE BOGOTA
6471 421 85 48 ENTEL CHILE S.A.
11172 408 118 71 Servicios Alestra S.A de C.V
14117 343 23 9 Telefonica del Sur S.A.
28573 337 441 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 265 855 223 The Internet Solution
2018 233 214 138 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 118 555 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 2900 3873 617 Qwest
6298 1972 315 758 Cox Communicatons
4755 1713 538 180 Videsh Sanchar Nigam Ltd. Aut
1785 1649 710 154 AppliedTheory Corporation
8151 1583 2608 228 UniNet S.A. de C.V.
2386 1559 691 898 AT&T Data Communications Serv
20115 1521 1259 701 Charter Communications
4323 1502 1073 375 Time Warner Telecom
7018 1402 5785 978 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 2900 2283 Qwest
4755 1713 1533 Videsh Sanchar Nigam Ltd. Aut
1785 1649 1495 AppliedTheory Corporation
8151 1583 1355 UniNet S.A. de C.V.
17488 1371 1270 Hathway IP Over Cable Interne
6298 1972 1214 Cox Communicatons
11492 1213 1195 Cable One
4323 1502 1127 Time Warner Telecom
18566 1046 1036 Covad Communications
6478 1140 959 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 /16:10054 /17:4380 /18:7626
/19:16069 /20:18778 /21:18455 /22:23147 /23:24237 /24:139706
/25:772 /26:938 /27:732 /28:88 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2846 4286 bellsouth.net, inc.
6298 1947 1972 Cox Communicatons
209 1667 2900 Qwest
2386 1237 1559 AT&T Data Communications Serv
11492 1194 1213 Cable One
17488 1179 1371 Hathway IP Over Cable Interne
1785 1121 1649 AppliedTheory Corporation
4755 1050 1713 Videsh Sanchar Nigam Ltd. Aut
6478 1033 1140 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 12:2146 13:2 15:22 16:3
17:5 18:13 20:35 24:1076 32:59 38:491
40:91 41:718 43:1 44:2 47:12 52:3
55:3 56:3 57:25 58:526 59:517 60:453
61:962 62:1219 63:2044 64:3210 65:2362 66:3461
67:1232 68:772 69:2297 70:846 71:135 72:2025
73:6 74:1130 75:170 76:278 77:785 78:798
79:315 80:947 81:832 82:570 83:368 84:577
85:972 86:399 87:715 88:336 89:1325 90:21
91:1438 92:253 93:816 94:134 96:64 97:66
98:321 99:7 114:92 115:40 116:1007 117:358
118:234 119:483 120:86 121:586 122:836 123:401
124:855 125:1192 128:356 129:201 130:134 131:411
132:70 133:9 134:178 135:34 136:223 137:94
138:141 139:93 140:507 141:102 142:407 143:290
144:362 145:51 146:371 147:157 148:513 149:206
150:128 151:181 152:145 153:136 154:10 155:284
156:175 157:297 158:163 159:301 160:272 161:138
162:254 163:155 164:516 165:496 166:367 167:333
168:629 169:143 170:429 171:33 172:10 173:33
188:1 189:579 190:2088 192:5802 193:4138 194:3251
195:2575 196:990 198:3735 199:3307 200:5469 201:1525
202:7656 203:8087 204:3938 205:2153 206:2347 207:2739
208:3535 209:3430 210:2595 211:1089 212:1419 213:1618
214:182 215:50 216:4343 217:1211 218:348 219:436
220:1061 221:427 222:315
End of report