Routing Table Report 04:00 +10GMT Sun 08 Jun, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 256959
Prefixes after maximum aggregation: 127747
Deaggregation factor: 2.01
Unique aggregates announced to Internet: 126031
Total ASes present in the Internet Routing Table: 28360
Prefixes per ASN: 9.06
Origin-only ASes present in the Internet Routing Table: 24728
Origin ASes announcing only one prefix: 11931
Transit ASes present in the Internet Routing Table: 3632
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 622
Unregistered ASNs in the Routing Table: 231
Number of 32-bit ASNs allocated by the RIRs: 49
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: 778
Number of addresses announced to Internet: 1875261536
Equivalent to 111 /8s, 198 /16s and 56 /24s
Percentage of available address space announced: 50.6
Percentage of allocated address space announced: 61.4
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.1
Total number of prefixes smaller than registry allocations: 124301
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58995
Total APNIC prefixes after maximum aggregation: 22061
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 56004
Unique aggregates announced from the APNIC address blocks: 24969
APNIC Region origin ASes present in the Internet Routing Table: 3260
APNIC Prefixes per ASN: 17.18
APNIC Region origin ASes announcing only one prefix: 859
APNIC Region transit ASes present in the Internet Routing Table: 502
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 351653024
Equivalent to 20 /8s, 245 /16s and 204 /24s
Percentage of available APNIC address space announced: 74.9
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: 117616
Total ARIN prefixes after maximum aggregation: 64914
ARIN Deaggregation factor: 1.81
Prefixes being announced from the ARIN address blocks: 87620
Unique aggregates announced from the ARIN address blocks: 34423
ARIN Region origin ASes present in the Internet Routing Table: 12186
ARIN Prefixes per ASN: 7.19
ARIN Region origin ASes announcing only one prefix: 4717
ARIN Region transit ASes present in the Internet Routing Table: 1133
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356871168
Equivalent to 21 /8s, 69 /16s and 108 /24s
Percentage of available ARIN address space announced: 73.3
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: 55641
Total RIPE prefixes after maximum aggregation: 33946
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 50848
Unique aggregates announced from the RIPE address blocks: 34029
RIPE Region origin ASes present in the Internet Routing Table: 11425
RIPE Prefixes per ASN: 4.45
RIPE Region origin ASes announcing only one prefix: 5974
RIPE Region transit ASes present in the Internet Routing Table: 1733
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 360735104
Equivalent to 21 /8s, 128 /16s and 97 /24s
Percentage of available RIPE address space announced: 82.7
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: 20215
Total LACNIC prefixes after maximum aggregation: 5117
LACNIC Deaggregation factor: 3.95
Prefixes being announced from the LACNIC address blocks: 18442
Unique aggregates announced from the LACNIC address blocks: 10335
LACNIC Region origin ASes present in the Internet Routing Table: 951
LACNIC Prefixes per ASN: 19.39
LACNIC Region origin ASes announcing only one prefix: 305
LACNIC Region transit ASes present in the Internet Routing Table: 159
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 52346752
Equivalent to 3 /8s, 30 /16s and 191 /24s
Percentage of available LACNIC address space announced: 52.0
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: 3871
Total AfriNIC prefixes after maximum aggregation: 1192
AfriNIC Deaggregation factor: 3.25
Prefixes being announced from the AfriNIC address blocks: 4120
Unique aggregates announced from the AfriNIC address blocks: 1866
AfriNIC Region origin ASes present in the Internet Routing Table: 239
AfriNIC Prefixes per ASN: 17.24
AfriNIC Region origin ASes announcing only one prefix: 76
AfriNIC Region transit ASes present in the Internet Routing Table: 46
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12311552
Equivalent to 0 /8s, 187 /16s and 220 /24s
Percentage of available AfriNIC address space announced: 36.7
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 1642 387 89 Videsh Sanchar Nigam Ltd. Aut
9498 1175 550 61 BHARTI BT INTERNET LTD.
9583 1116 111 412 Sify Limited
17488 1099 72 73 Hathway IP Over Cable Interne
4766 849 6006 343 Korea Telecom (KIX)
4134 824 12917 322 CHINANET-BACKBONE
23577 818 34 701 Korea Telecom (ATM-MPLS)
18101 691 167 36 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 548 1919 421 Telstra Pty Ltd
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 2207 3103 182 bellsouth.net, inc.
4323 1467 1045 377 Time Warner Telecom
2386 1437 658 870 AT&T Data Communications Serv
7018 1370 5815 981 AT&T WorldNet Services
11492 1228 148 12 Cable One
7011 1051 291 584 Citizens Utilities
18566 1044 296 10 Covad Communications
20115 1039 1062 563 Charter Communications
1785 1028 510 105 AppliedTheory Corporation
174 978 6837 804 Cogent 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 410 1772 369 TDC Tele Danmark
3301 338 1460 308 TeliaNet Sweden
8452 327 188 7 TEDATA
3320 316 7043 265 Deutsche Telekom AG
8866 316 77 21 Bulgarian Telecommunication C
5462 291 666 26 Telewest Broadband
3215 287 2742 91 France Telecom Transpac
8551 283 269 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
9155 267 46 11 QualityNet AS number
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 1239 2464 227 UniNet S.A. de C.V.
11830 603 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 466 229 66 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 413 85 46 ENTEL CHILE S.A.
11172 412 118 69 Servicios Alestra S.A de C.V
10620 384 98 80 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 338 23 89 NEWCOM AMERICAS
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 472 61 28 LINKdotNET AS number
3741 282 853 223 The Internet Solution
20858 224 34 3 EgyNet
2018 191 189 82 Tertiary Education Network
5713 163 558 99 Telkom SA Ltd
6713 145 136 12 Itissalat Al-MAGHRIB
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 103 13 8 Ci Telecom Autonomous system
33776 100 6 3 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 2207 3103 182 bellsouth.net, inc.
4755 1642 387 89 Videsh Sanchar Nigam Ltd. Aut
4323 1467 1045 377 Time Warner Telecom
2386 1437 658 870 AT&T Data Communications Serv
7018 1370 5815 981 AT&T WorldNet Services
8151 1239 2464 227 UniNet S.A. de C.V.
11492 1228 148 12 Cable One
9498 1175 550 61 BHARTI BT INTERNET LTD.
9583 1116 111 412 Sify Limited
17488 1099 72 73 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
4755 1642 1553 Videsh Sanchar Nigam Ltd. Aut
11492 1228 1216 Cable One
9498 1175 1114 BHARTI BT INTERNET LTD.
4323 1467 1090 Time Warner Telecom
18566 1044 1034 Covad Communications
17488 1099 1026 Hathway IP Over Cable Interne
8151 1239 1012 UniNet S.A. de C.V.
1785 1028 923 AppliedTheory Corporation
22773 946 884 Cox Communications, Inc.
6478 952 799 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 12.0.252.0/23 701 UUNET Technologies,
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
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
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.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 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
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 /10:16 /11:42 /12:142
/13:279 /14:514 /15:1027 /16:9939 /17:4312 /18:7282
/19:15460 /20:17921 /21:17392 /22:21987 /23:22960 /24:135316
/25:805 /26:946 /27:490 /28:82 /29:9 /30:1
/31:0 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 1355 2207 bellsouth.net, inc.
11492 1210 1228 Cable One
2386 1136 1437 AT&T Data Communications Serv
18566 1025 1044 Covad Communications
4755 989 1642 Videsh Sanchar Nigam Ltd. Aut
9583 970 1116 Sify Limited
6478 951 952 AT&T Worldnet Services
6298 945 960 Cox Communicatons
7011 943 1051 Citizens Utilities
17488 912 1099 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:110 12:2054 13:1 15:22 16:3
17:5 18:13 20:35 24:1078 25:1 32:62
33:3 38:437 40:93 41:637 43:1 44:2
47:12 52:3 55:4 56:3 57:23 58:514
59:478 60:443 61:996 62:1109 63:1939 64:3326
65:2419 66:3690 67:1210 68:695 69:2251 70:675
71:126 72:1816 73:5 74:995 75:220 76:297
77:704 78:697 79:187 80:924 81:843 82:569
83:391 84:570 85:1019 86:421 87:680 88:314
89:1253 90:11 91:1282 92:180 93:518 96:32
97:22 98:194 99:3 111:1 114:20 116:665
117:327 118:142 119:437 120:58 121:532 122:780
123:341 124:846 125:1140 128:324 129:202 130:130
131:402 132:66 133:9 134:173 135:33 136:219
137:90 138:152 139:71 140:478 141:98 142:403
143:319 144:352 145:51 146:364 147:153 148:507
149:191 150:129 151:192 152:141 153:136 154:10
155:243 156:174 157:274 158:168 159:222 160:256
161:114 162:231 163:185 164:525 165:446 166:316
167:328 168:611 169:130 170:429 171:29 172:10
189:189 190:2066 192:5796 193:4094 194:3210 195:2464
196:1060 198:3741 199:3256 200:5569 201:1437 202:7615
203:7899 204:3973 205:2093 206:2397 207:2750 208:3343
209:3439 210:2523 211:1023 212:1394 213:1621 214:143
215:49 216:4361 217:1190 218:344 219:423 220:1077
221:468 222:305
End of report