Routing Table Report 04:00 +10GMT Mon 18 Aug, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 266073
Prefixes after maximum aggregation: 129700
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129436
Total ASes present in the Internet Routing Table: 28953
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25203
Origin ASes announcing only one prefix: 12206
Transit ASes present in the Internet Routing Table: 3750
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 571
Unregistered ASNs in the Routing Table: 212
Number of 32-bit ASNs allocated by the RIRs: 58
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: 767
Number of addresses announced to Internet: 1891494112
Equivalent to 112 /8s, 189 /16s and 232 /24s
Percentage of available address space announced: 51.0
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.2
Total number of prefixes smaller than registry allocations: 130453
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61171
Total APNIC prefixes after maximum aggregation: 22726
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 58141
Unique aggregates announced from the APNIC address blocks: 26118
APNIC Region origin ASes present in the Internet Routing Table: 3329
APNIC Prefixes per ASN: 17.47
APNIC Region origin ASes announcing only one prefix: 879
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: 22
Number of APNIC addresses announced to Internet: 371647520
Equivalent to 22 /8s, 38 /16s and 228 /24s
Percentage of available APNIC address space announced: 79.1
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: 121947
Total ARIN prefixes after maximum aggregation: 65174
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91148
Unique aggregates announced from the ARIN address blocks: 34783
ARIN Region origin ASes present in the Internet Routing Table: 12369
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4760
ARIN Region transit ASes present in the Internet Routing Table: 1186
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 360350112
Equivalent to 21 /8s, 122 /16s and 129 /24s
Percentage of available ARIN address space announced: 74.1
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: 57460
Total RIPE prefixes after maximum aggregation: 34821
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52620
Unique aggregates announced from the RIPE address blocks: 35342
RIPE Region origin ASes present in the Internet Routing Table: 11736
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6165
RIPE Region transit ASes present in the Internet Routing Table: 1783
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 369257792
Equivalent to 22 /8s, 2 /16s and 109 /24s
Percentage of available RIPE address space announced: 84.7
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: 20917
Total LACNIC prefixes after maximum aggregation: 5269
LACNIC Deaggregation factor: 3.97
Prefixes being announced from the LACNIC address blocks: 19181
Unique aggregates announced from the LACNIC address blocks: 10701
LACNIC Region origin ASes present in the Internet Routing Table: 981
LACNIC Prefixes per ASN: 19.55
LACNIC Region origin ASes announcing only one prefix: 323
LACNIC Region transit ASes present in the Internet Routing Table: 169
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 54369280
Equivalent to 3 /8s, 61 /16s and 156 /24s
Percentage of available LACNIC address space announced: 54.0
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: 4006
Total AfriNIC prefixes after maximum aggregation: 1233
AfriNIC Deaggregation factor: 3.25
Prefixes being announced from the AfriNIC address blocks: 4350
Unique aggregates announced from the AfriNIC address blocks: 1915
AfriNIC Region origin ASes present in the Internet Routing Table: 248
AfriNIC Prefixes per ASN: 17.54
AfriNIC Region origin ASes announcing only one prefix: 79
AfriNIC Region transit ASes present in the Internet Routing Table: 51
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12736512
Equivalent to 0 /8s, 194 /16s and 88 /24s
Percentage of available AfriNIC address space announced: 38.0
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 1693 537 180 Videsh Sanchar Nigam Ltd. Aut
17488 1302 89 99 Hathway IP Over Cable Interne
9583 1176 92 494 Sify Limited
4766 857 6390 352 Korea Telecom (KIX)
4134 836 13523 339 CHINANET-BACKBONE
23577 823 35 698 Korea Telecom (ATM-MPLS)
4780 715 353 61 Digital United Inc.
18101 692 167 33 Reliance Infocom Ltd Internet
9498 674 291 54 BHARTI BT INTERNET LTD.
4808 618 1112 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 3197 3358 208 bellsouth.net, inc.
209 2880 3857 618 Qwest
6298 2003 323 733 Cox Communicatons
1785 1646 710 156 AppliedTheory Corporation
2386 1559 691 899 AT&T Data Communications Serv
4323 1492 1078 379 Time Warner Telecom
7018 1413 5816 986 AT&T WorldNet Services
11492 1214 151 22 Cable One
20115 1113 1080 573 Charter Communications
18566 1045 296 10 Covad Communications
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 371 2756 106 France Telecom Transpac
8452 357 188 11 TEDATA
3301 332 1444 303 TeliaNet Sweden
3320 323 7047 271 Deutsche Telekom AG
8866 317 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 289 270 39 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
6746 269 126 243 Dynamic Network Technologies,
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 1514 2591 224 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 478 236 65 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 417 85 48 ENTEL CHILE S.A.
11172 410 118 72 Servicios Alestra S.A de C.V
10620 371 99 90 TVCABLE BOGOTA
14117 348 23 9 Telefonica del Sur S.A.
28573 318 432 33 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 496 64 28 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 267 855 224 The Internet Solution
2018 211 213 130 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 136 10 13 EEPAD TISP TELECOM & INTERNET
5713 129 540 74 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
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 3197 3358 208 bellsouth.net, inc.
209 2880 3857 618 Qwest
6298 2003 323 733 Cox Communicatons
4755 1693 537 180 Videsh Sanchar Nigam Ltd. Aut
1785 1646 710 156 AppliedTheory Corporation
2386 1559 691 899 AT&T Data Communications Serv
8151 1514 2591 224 UniNet S.A. de C.V.
4323 1492 1078 379 Time Warner Telecom
7018 1413 5816 986 AT&T WorldNet Services
17488 1302 89 99 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2880 2262 Qwest
4755 1693 1513 Videsh Sanchar Nigam Ltd. Aut
1785 1646 1490 AppliedTheory Corporation
8151 1514 1290 UniNet S.A. de C.V.
6298 2003 1270 Cox Communicatons
17488 1302 1203 Hathway IP Over Cable Interne
11492 1214 1192 Cable One
4323 1492 1113 Time Warner Telecom
18566 1045 1035 Covad Communications
22773 959 897 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65530 PRIVATE 8.7.233.0/24 20473 Net Transactions LLC
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
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.53.86.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.55.0.0/18 20001 HoldCo 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
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
/13:293 /14:527 /15:1056 /16:10027 /17:4359 /18:7545
/19:16000 /20:18673 /21:18281 /22:22979 /23:24108 /24:139303
/25:839 /26:1025 /27:721 /28:85 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2034 3197 bellsouth.net, inc.
6298 1976 2003 Cox Communicatons
209 1645 2880 Qwest
2386 1239 1559 AT&T Data Communications Serv
11492 1195 1214 Cable One
1785 1115 1646 AppliedTheory Corporation
17488 1109 1302 Hathway IP Over Cable Interne
4755 1042 1693 Videsh Sanchar Nigam Ltd. Aut
9583 1032 1176 Sify Limited
18566 1026 1045 Covad Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:133 12:2107 13:2 14:1 15:22
16:3 17:5 18:13 20:35 24:1084 32:59
38:483 40:92 41:690 43:1 44:2 47:12
52:3 55:3 56:3 57:27 58:527 59:510
60:453 61:982 62:1213 63:2035 64:3214 65:2366
66:3417 67:1224 68:768 69:2280 70:864 71:134
72:2038 73:6 74:1118 75:163 76:307 77:758
78:820 79:219 80:979 81:845 82:612 83:379
84:572 85:982 86:399 87:715 88:338 89:1310
90:33 91:1417 92:241 93:767 94:109 96:54
97:52 98:307 99:3 114:89 115:41 116:943
117:331 118:196 119:460 120:72 121:586 122:817
123:375 124:892 125:1178 128:354 129:202 130:135
131:408 132:70 133:9 134:188 135:33 136:217
137:94 138:145 139:94 140:503 141:103 142:405
143:329 144:401 145:51 146:372 147:156 148:514
149:199 150:129 151:183 152:144 153:136 154:10
155:278 156:173 157:289 158:166 159:288 160:273
161:118 162:265 163:155 164:515 165:456 166:363
167:333 168:625 169:139 170:425 171:33 172:10
173:13 188:1 189:467 190:2103 192:5793 193:4133
194:3241 195:2559 196:1019 198:3730 199:3311 200:5552
201:1533 202:7687 203:8089 204:3954 205:2145 206:2373
207:2757 208:3498 209:3420 210:2610 211:1079 212:1427
213:1612 214:179 215:50 216:4374 217:1211 218:345
219:429 220:1057 221:456 222:310
End of report