Routing Table Report 04:00 +10GMT Wed 11 Jun, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 259554
Prefixes after maximum aggregation: 128021
Deaggregation factor: 2.03
Unique aggregates announced to Internet: 126383
Total ASes present in the Internet Routing Table: 28394
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 24757
Origin ASes announcing only one prefix: 11951
Transit ASes present in the Internet Routing Table: 3637
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 622
Unregistered ASNs in the Routing Table: 230
Number of 32-bit ASNs allocated by the RIRs: 48
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: 778
Number of addresses announced to Internet: 1874590048
Equivalent to 111 /8s, 187 /16s and 249 /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: 125967
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59124
Total APNIC prefixes after maximum aggregation: 22086
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 56135
Unique aggregates announced from the APNIC address blocks: 25044
APNIC Region origin ASes present in the Internet Routing Table: 3268
APNIC Prefixes per ASN: 17.18
APNIC Region origin ASes announcing only one prefix: 860
APNIC Region transit ASes present in the Internet Routing Table: 504
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 351696800
Equivalent to 20 /8s, 246 /16s and 119 /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: 119961
Total ARIN prefixes after maximum aggregation: 65142
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 89809
Unique aggregates announced from the ARIN address blocks: 34663
ARIN Region origin ASes present in the Internet Routing Table: 12204
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4733
ARIN Region transit ASes present in the Internet Routing Table: 1136
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356075424
Equivalent to 21 /8s, 57 /16s and 71 /24s
Percentage of available ARIN address space announced: 73.2
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: 55703
Total RIPE prefixes after maximum aggregation: 33933
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 50897
Unique aggregates announced from the RIPE address blocks: 33987
RIPE Region origin ASes present in the Internet Routing Table: 11426
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: 1721
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 360773248
Equivalent to 21 /8s, 128 /16s and 246 /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: 20236
Total LACNIC prefixes after maximum aggregation: 5145
LACNIC Deaggregation factor: 3.93
Prefixes being announced from the LACNIC address blocks: 18454
Unique aggregates announced from the LACNIC address blocks: 10354
LACNIC Region origin ASes present in the Internet Routing Table: 953
LACNIC Prefixes per ASN: 19.36
LACNIC Region origin ASes announcing only one prefix: 306
LACNIC Region transit ASes present in the Internet Routing Table: 161
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 52350848
Equivalent to 3 /8s, 30 /16s and 207 /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: 3909
Total AfriNIC prefixes after maximum aggregation: 1197
AfriNIC Deaggregation factor: 3.27
Prefixes being announced from the AfriNIC address blocks: 4174
Unique aggregates announced from the AfriNIC address blocks: 1861
AfriNIC Region origin ASes present in the Internet Routing Table: 241
AfriNIC Prefixes per ASN: 17.32
AfriNIC Region origin ASes announcing only one prefix: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
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 1643 387 89 Videsh Sanchar Nigam Ltd. Aut
9498 1180 550 62 BHARTI BT INTERNET LTD.
9583 1116 111 412 Sify Limited
17488 1099 72 73 Hathway IP Over Cable Interne
4766 850 6006 343 Korea Telecom (KIX)
4134 824 12917 322 CHINANET-BACKBONE
23577 821 34 703 Korea Telecom (ATM-MPLS)
18101 692 167 36 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 550 1919 423 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
209 3019 3874 620 Qwest
6389 2208 3104 182 bellsouth.net, inc.
4323 1473 1045 380 Time Warner Telecom
2386 1442 659 871 AT&T Data Communications Serv
7018 1372 5814 981 AT&T WorldNet Services
11492 1228 148 12 Cable One
18566 1044 296 10 Covad Communications
20115 1041 1063 565 Charter Communications
1785 1037 510 104 AppliedTheory Corporation
7011 1031 288 567 Citizens Utilities
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
8452 347 188 7 TEDATA
3301 338 1460 308 TeliaNet Sweden
3320 317 7045 266 Deutsche Telekom AG
8866 317 77 21 Bulgarian Telecommunication C
5462 291 666 26 Telewest Broadband
3215 285 2742 89 France Telecom Transpac
8551 283 269 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
9155 269 45 12 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 1240 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 465 229 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 386 99 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 245 34 3 EgyNet
2018 192 189 82 Tertiary Education Network
5713 163 558 99 Telkom SA Ltd
6713 144 136 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
209 3019 3874 620 Qwest
6389 2208 3104 182 bellsouth.net, inc.
4755 1643 387 89 Videsh Sanchar Nigam Ltd. Aut
4323 1473 1045 380 Time Warner Telecom
2386 1442 659 871 AT&T Data Communications Serv
7018 1372 5814 981 AT&T WorldNet Services
8151 1240 2464 227 UniNet S.A. de C.V.
11492 1228 148 12 Cable One
9498 1180 550 62 BHARTI BT INTERNET LTD.
9583 1116 111 412 Sify Limited
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2208 2026 bellsouth.net, inc.
4755 1643 1554 Videsh Sanchar Nigam Ltd. Aut
11492 1228 1216 Cable One
9498 1180 1118 BHARTI BT INTERNET LTD.
4323 1473 1093 Time Warner Telecom
18566 1044 1034 Covad Communications
17488 1099 1026 Hathway IP Over Cable Interne
8151 1240 1013 UniNet S.A. de C.V.
1785 1037 933 AppliedTheory Corporation
22773 945 883 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
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 /15:1024 /16:9951 /17:4336 /18:7355
/19:15687 /20:18288 /21:17852 /22:22255 /23:23145 /24:135877
/25:842 /26:1035 /27:785 /28:84 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
209 1766 3019 Qwest
6389 1356 2208 bellsouth.net, inc.
11492 1210 1228 Cable One
2386 1139 1442 AT&T Data Communications Serv
18566 1025 1044 Covad Communications
4755 990 1643 Videsh Sanchar Nigam Ltd. Aut
9583 970 1116 Sify Limited
6298 945 960 Cox Communicatons
6478 942 943 AT&T Worldnet Services
7011 924 1031 Citizens Utilities
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:113 12:2052 13:1 15:22 16:3
17:5 18:13 20:35 24:1075 25:1 32:61
33:3 38:440 40:93 41:640 43:1 44:2
47:12 52:3 55:4 56:3 57:23 58:518
59:480 60:445 61:998 62:1125 63:2031 64:3328
65:2418 66:3699 67:1214 68:694 69:2262 70:677
71:126 72:1820 73:5 74:998 75:217 76:296
77:723 78:705 79:192 80:927 81:865 82:570
83:392 84:571 85:1008 86:421 87:684 88:314
89:1244 90:12 91:1274 92:185 93:509 96:33
97:22 98:197 99:3 111:1 114:20 116:675
117:328 118:142 119:448 120:58 121:533 122:784
123:340 124:847 125:1141 128:327 129:202 130:131
131:403 132:67 133:9 134:177 135:33 136:218
137:91 138:151 139:79 140:495 141:99 142:403
143:337 144:349 145:51 146:363 147:154 148:507
149:191 150:129 151:193 152:141 153:136 154:10
155:243 156:174 157:276 158:168 159:239 160:257
161:114 162:232 163:185 164:528 165:447 166:315
167:328 168:614 169:131 170:429 171:29 172:10
189:193 190:2071 192:5797 193:4081 194:3201 195:2466
196:1067 198:3759 199:3271 200:5583 201:1437 202:7615
203:7913 204:3980 205:2109 206:2409 207:2793 208:3358
209:3475 210:2523 211:1026 212:1393 213:1631 214:161
215:49 216:4402 217:1191 218:346 219:422 220:1079
221:470 222:308
End of report