Routing Table Report 04:00 +10GMT Tue 30 Sep, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 269653
Prefixes after maximum aggregation: 130156
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 131440
Total ASes present in the Internet Routing Table: 29359
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 25524
Origin ASes announcing only one prefix: 12442
Transit ASes present in the Internet Routing Table: 3835
Transit-only ASes present in the Internet Routing Table: 85
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: 559
Unregistered ASNs in the Routing Table: 202
Number of 32-bit ASNs allocated by the RIRs: 60
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 748
Number of addresses announced to Internet: 1908255872
Equivalent to 113 /8s, 189 /16s and 172 /24s
Percentage of available address space announced: 51.5
Percentage of allocated address space announced: 62.5
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.7
Total number of prefixes smaller than registry allocations: 132328
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62353
Total APNIC prefixes after maximum aggregation: 23031
APNIC Deaggregation factor: 2.71
Prefixes being announced from the APNIC address blocks: 59231
Unique aggregates announced from the APNIC address blocks: 26678
APNIC Region origin ASes present in the Internet Routing Table: 3393
APNIC Prefixes per ASN: 17.46
APNIC Region origin ASes announcing only one prefix: 911
APNIC Region transit ASes present in the Internet Routing Table: 540
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 377796512
Equivalent to 22 /8s, 132 /16s and 183 /24s
Percentage of available APNIC address space announced: 80.4
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: 122480
Total ARIN prefixes after maximum aggregation: 64685
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91769
Unique aggregates announced from the ARIN address blocks: 35217
ARIN Region origin ASes present in the Internet Routing Table: 12489
ARIN Prefixes per ASN: 7.35
ARIN Region origin ASes announcing only one prefix: 4835
ARIN Region transit ASes present in the Internet Routing Table: 1195
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 364415712
Equivalent to 21 /8s, 184 /16s and 138 /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: 58569
Total RIPE prefixes after maximum aggregation: 35355
RIPE Deaggregation factor: 1.66
Prefixes being announced from the RIPE address blocks: 53733
Unique aggregates announced from the RIPE address blocks: 35930
RIPE Region origin ASes present in the Internet Routing Table: 11939
RIPE Prefixes per ASN: 4.50
RIPE Region origin ASes announcing only one prefix: 6285
RIPE Region transit ASes present in the Internet Routing Table: 1830
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 373554720
Equivalent to 22 /8s, 67 /16s and 254 /24s
Percentage of available RIPE address space announced: 85.6
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: 21556
Total LACNIC prefixes after maximum aggregation: 5368
LACNIC Deaggregation factor: 4.02
Prefixes being announced from the LACNIC address blocks: 19675
Unique aggregates announced from the LACNIC address blocks: 11055
LACNIC Region origin ASes present in the Internet Routing Table: 1002
LACNIC Prefixes per ASN: 19.64
LACNIC Region origin ASes announcing only one prefix: 330
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: 17
Number of LACNIC addresses announced to Internet: 56845056
Equivalent to 3 /8s, 99 /16s and 99 /24s
Percentage of available LACNIC address space announced: 56.5
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: 4137
Total AfriNIC prefixes after maximum aggregation: 1273
AfriNIC Deaggregation factor: 3.25
Prefixes being announced from the AfriNIC address blocks: 4438
Unique aggregates announced from the AfriNIC address blocks: 2061
AfriNIC Region origin ASes present in the Internet Routing Table: 257
AfriNIC Prefixes per ASN: 17.27
AfriNIC Region origin ASes announcing only one prefix: 81
AfriNIC Region transit ASes present in the Internet Routing Table: 52
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12731136
Equivalent to 0 /8s, 194 /16s and 67 /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 1611 535 181 TATA Communications formerly
17488 1393 94 100 Hathway IP Over Cable Interne
9583 1107 86 474 Sify Limited
4766 876 6407 359 Korea Telecom (KIX)
4134 839 13649 343 CHINANET-BACKBONE
23577 810 34 692 Korea Telecom (ATM-MPLS)
18101 781 161 63 Reliance Infocom Ltd Internet
4780 717 353 61 Digital United Inc.
9498 677 295 55 BHARTI BT INTERNET LTD.
4808 625 1148 140 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 4295 3416 339 bellsouth.net, inc.
209 2944 4017 621 Qwest
6298 1997 318 728 Cox Communicatons
20115 1751 1421 712 Charter Communications
1785 1663 717 154 PaeTec Communications, Inc.
2386 1556 699 896 AT&T Data Communications Serv
4323 1523 1083 370 Time Warner Telecom
7018 1408 5794 978 AT&T WorldNet Services
11492 1212 152 11 Cable One
6478 1191 241 191 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 427 1777 379 TDC Tele Danmark
3301 330 1428 301 TeliaNet Sweden
30890 330 87 175 SC Kappa Invexim SRL
3215 328 2756 107 France Telecom Transpac
3320 324 7063 273 Deutsche Telekom AG
8866 319 79 22 Bulgarian Telecommunication C
8452 312 188 11 TEDATA
5462 301 794 27 Telewest Broadband
8551 286 270 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 1412 2847 223 UniNet S.A. de C.V.
11830 668 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 491 241 70 Telecom Argentina Stet-France
10620 456 113 65 TVCABLE BOGOTA
16814 426 27 10 NSS, S.A.
6471 420 85 48 ENTEL CHILE S.A.
11172 411 118 71 Servicios Alestra S.A de C.V
28573 351 444 22 NET Servicos de Comunicao S.A
14117 343 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 544 71 39 LINKdotNET AS number
20858 401 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 119 555 69 Telkom SA Ltd
33776 116 6 3 Starcomms Nigeria Limited
29571 108 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 4295 3416 339 bellsouth.net, inc.
209 2944 4017 621 Qwest
6298 1997 318 728 Cox Communicatons
20115 1751 1421 712 Charter Communications
1785 1663 717 154 PaeTec Communications, Inc.
4755 1611 535 181 TATA Communications formerly
2386 1556 699 896 AT&T Data Communications Serv
4323 1523 1083 370 Time Warner Telecom
8151 1412 2847 223 UniNet S.A. de C.V.
7018 1408 5794 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 2944 2323 Qwest
1785 1663 1509 PaeTec Communications, Inc.
4755 1611 1430 TATA Communications formerly
17488 1393 1293 Hathway IP Over Cable Interne
6298 1997 1269 Cox Communicatons
11492 1212 1201 Cable One
8151 1412 1189 UniNet S.A. de C.V.
4323 1523 1153 Time Warner Telecom
18566 1053 1043 Covad Communications
20115 1751 1039 Charter Communications
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
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 3549 Global Crossing
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
/13:295 /14:530 /15:1060 /16:10114 /17:4397 /18:7587
/19:16307 /20:19121 /21:18651 /22:23459 /23:24497 /24:140736
/25:813 /26:976 /27:769 /28:88 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2845 4295 bellsouth.net, inc.
6298 1971 1997 Cox Communicatons
209 1704 2944 Qwest
2386 1237 1556 AT&T Data Communications Serv
17488 1200 1393 Hathway IP Over Cable Interne
11492 1188 1212 Cable One
1785 1126 1663 PaeTec Communications, Inc.
6478 1083 1191 AT&T Worldnet Services
18566 1034 1053 Covad Communications
9583 975 1107 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:140 12:2164 13:2 15:22 16:3
17:5 18:13 20:35 24:1109 32:58 38:501
40:92 41:709 43:1 44:2 47:12 52:3
55:3 56:3 57:27 58:522 59:509 60:452
61:980 62:1226 63:2036 64:3218 65:2388 66:3511
67:1262 68:790 69:2315 70:856 71:198 72:2052
73:7 74:1205 75:160 76:262 77:787 78:842
79:249 80:940 81:861 82:602 83:379 84:581
85:1002 86:396 87:710 88:332 89:1360 90:21
91:1540 92:267 93:830 94:150 96:76 97:84
98:335 99:8 113:1 114:106 115:90 116:1002
117:366 118:233 119:496 120:95 121:597 122:855
123:446 124:855 125:1193 128:357 129:200 130:134
131:416 132:70 133:9 134:176 135:32 136:223
137:96 138:142 139:81 140:507 141:104 142:408
143:291 144:323 145:51 146:370 147:159 148:522
149:209 150:128 151:181 152:149 153:136 154:10
155:281 156:172 157:301 158:168 159:306 160:275
161:138 162:255 163:154 164:516 165:503 166:365
167:333 168:635 169:143 170:449 171:33 172:10
173:34 186:1 187:16 188:1 189:316 190:2274
192:5756 193:4138 194:3268 195:2582 196:991 198:3720
199:3299 200:5540 201:1433 202:7842 203:8064 204:3945
205:2143 206:2347 207:2737 208:3644 209:3425 210:2593
211:1089 212:1465 213:1653 214:176 215:50 216:4342
217:1230 218:352 219:437 220:1061 221:417 222:286
End of report
