Routing Table Report 04:00 +10GMT Sun 21 Sep, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 269366
Prefixes after maximum aggregation: 129853
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 131053
Total ASes present in the Internet Routing Table: 29283
Prefixes per ASN: 9.20
Origin-only ASes present in the Internet Routing Table: 25451
Origin ASes announcing only one prefix: 12390
Transit ASes present in the Internet Routing Table: 3832
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: 556
Unregistered ASNs in the Routing Table: 209
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: 752
Number of addresses announced to Internet: 1905299232
Equivalent to 113 /8s, 144 /16s and 143 /24s
Percentage of available address space announced: 51.4
Percentage of allocated address space announced: 62.4
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: 132171
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62265
Total APNIC prefixes after maximum aggregation: 22919
APNIC Deaggregation factor: 2.72
Prefixes being announced from the APNIC address blocks: 59190
Unique aggregates announced from the APNIC address blocks: 26410
APNIC Region origin ASes present in the Internet Routing Table: 3386
APNIC Prefixes per ASN: 17.48
APNIC Region origin ASes announcing only one prefix: 906
APNIC Region transit ASes present in the Internet Routing Table: 537
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 376402720
Equivalent to 22 /8s, 111 /16s and 115 /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: 122281
Total ARIN prefixes after maximum aggregation: 64579
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91612
Unique aggregates announced from the ARIN address blocks: 35256
ARIN Region origin ASes present in the Internet Routing Table: 12452
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4812
ARIN Region transit ASes present in the Internet Routing Table: 1202
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 364375264
Equivalent to 21 /8s, 183 /16s and 236 /24s
Percentage of available ARIN address space announced: 74.9
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: 58335
Total RIPE prefixes after maximum aggregation: 35248
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 53489
Unique aggregates announced from the RIPE address blocks: 35872
RIPE Region origin ASes present in the Internet Routing Table: 11905
RIPE Prefixes per ASN: 4.49
RIPE Region origin ASes announcing only one prefix: 6263
RIPE Region transit ASes present in the Internet Routing Table: 1814
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 372441664
Equivalent to 22 /8s, 51 /16s and 2 /24s
Percentage of available RIPE address space announced: 85.4
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: 21834
Total LACNIC prefixes after maximum aggregation: 5375
LACNIC Deaggregation factor: 4.06
Prefixes being announced from the LACNIC address blocks: 19965
Unique aggregates announced from the LACNIC address blocks: 11039
LACNIC Region origin ASes present in the Internet Routing Table: 996
LACNIC Prefixes per ASN: 20.05
LACNIC Region origin ASes announcing only one prefix: 328
LACNIC Region transit ASes present in the Internet Routing Table: 170
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 56720128
Equivalent to 3 /8s, 97 /16s and 123 /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: 4095
Total AfriNIC prefixes after maximum aggregation: 1270
AfriNIC Deaggregation factor: 3.22
Prefixes being announced from the AfriNIC address blocks: 4410
Unique aggregates announced from the AfriNIC address blocks: 2037
AfriNIC Region origin ASes present in the Internet Routing Table: 258
AfriNIC Prefixes per ASN: 17.09
AfriNIC Region origin ASes announcing only one prefix: 81
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: 12721152
Equivalent to 0 /8s, 194 /16s and 28 /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 1724 538 181 Videsh Sanchar Nigam Ltd. Aut
17488 1384 94 101 Hathway IP Over Cable Interne
9583 1109 86 473 Sify Limited
4766 875 6407 359 Korea Telecom (KIX)
4134 842 13651 345 CHINANET-BACKBONE
23577 819 34 694 Korea Telecom (ATM-MPLS)
18101 765 152 55 Reliance Infocom Ltd Internet
4780 715 353 61 Digital United Inc.
9498 677 291 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 4292 3416 339 bellsouth.net, inc.
209 2934 4001 621 Qwest
6298 1980 316 736 Cox Communicatons
20115 1689 1428 713 Charter Communications
1785 1656 710 156 AppliedTheory Corporation
2386 1549 691 892 AT&T Data Communications Serv
4323 1516 1065 368 Time Warner Telecom
7018 1394 5801 963 AT&T WorldNet Services
11492 1212 151 20 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 421 1777 378 TDC Tele Danmark
3301 330 1412 301 TeliaNet Sweden
30890 329 87 175 SC Kappa Invexim SRL
3215 327 2756 106 France Telecom Transpac
3320 324 7063 273 Deutsche Telekom AG
8866 319 77 21 Bulgarian Telecommunication C
8452 316 188 11 TEDATA
5462 296 794 27 Telewest Broadband
8551 287 270 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 1739 2877 226 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
10620 429 105 60 TVCABLE BOGOTA
16814 426 27 10 NSS, S.A.
6471 420 85 48 ENTEL CHILE S.A.
11172 409 118 72 Servicios Alestra S.A de C.V
28573 351 443 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 516 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
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 4292 3416 339 bellsouth.net, inc.
209 2934 4001 621 Qwest
6298 1980 316 736 Cox Communicatons
8151 1739 2877 226 UniNet S.A. de C.V.
4755 1724 538 181 Videsh Sanchar Nigam Ltd. Aut
20115 1689 1428 713 Charter Communications
1785 1656 710 156 AppliedTheory Corporation
2386 1549 691 892 AT&T Data Communications Serv
4323 1516 1065 368 Time Warner Telecom
7018 1394 5801 963 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 2934 2313 Qwest
4755 1724 1543 Videsh Sanchar Nigam Ltd. Aut
8151 1739 1513 UniNet S.A. de C.V.
1785 1656 1500 AppliedTheory Corporation
17488 1384 1283 Hathway IP Over Cable Interne
6298 1980 1244 Cox Communicatons
11492 1212 1192 Cable One
4323 1516 1148 Time Warner Telecom
18566 1050 1040 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 /8:18 /9:9 /10:17 /11:45 /12:147
/13:294 /14:529 /15:1073 /16:10089 /17:4389 /18:7728
/19:16278 /20:19091 /21:18618 /22:23384 /23:24445 /24:140589
/25:795 /26:964 /27:760 /28:87 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2846 4292 bellsouth.net, inc.
6298 1955 1980 Cox Communicatons
209 1697 2934 Qwest
2386 1230 1549 AT&T Data Communications Serv
11492 1193 1212 Cable One
17488 1191 1384 Hathway IP Over Cable Interne
1785 1125 1656 AppliedTheory Corporation
6478 1062 1169 AT&T Worldnet Services
4755 1057 1724 Videsh Sanchar Nigam Ltd. Aut
18566 1031 1050 Covad Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:139 12:2141 13:2 15:20 16:3
17:5 18:13 20:35 24:1088 32:59 38:496
40:92 41:722 43:1 44:2 47:12 52:3
55:3 56:3 57:26 58:527 59:520 60:451
61:966 62:1223 63:2035 64:3201 65:2378 66:3479
67:1245 68:780 69:2308 70:848 71:172 72:2025
73:7 74:1183 75:166 76:265 77:796 78:834
79:257 80:947 81:843 82:588 83:372 84:577
85:1019 86:400 87:713 88:336 89:1354 90:21
91:1497 92:265 93:835 94:147 96:62 97:80
98:323 99:8 114:104 115:48 116:987 117:364
118:229 119:500 120:88 121:590 122:853 123:444
124:857 125:1194 128:358 129:201 130:134 131:410
132:70 133:9 134:178 135:32 136:220 137:96
138:141 139:92 140:503 141:102 142:408 143:303
144:325 145:51 146:370 147:157 148:516 149:209
150:128 151:182 152:147 153:136 154:10 155:280
156:175 157:299 158:170 159:300 160:275 161:137
162:255 163:150 164:515 165:499 166:367 167:330
168:635 169:143 170:444 171:33 172:10 173:33
186:1 187:10 188:1 189:609 190:2273 192:5742
193:4141 194:3258 195:2574 196:996 198:3714 199:3270
200:5522 201:1464 202:7844 203:8100 204:3945 205:2137
206:2354 207:2728 208:3617 209:3409 210:2608 211:1088
212:1461 213:1630 214:176 215:50 216:4358 217:1214
218:345 219:436 220:1063 221:415 222:314
End of report