Routing Table Report 04:00 +10GMT Wed 27 May, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 288809
Prefixes after maximum aggregation: 136466
Deaggregation factor: 2.12
Unique aggregates announced to Internet: 141881
Total ASes present in the Internet Routing Table: 31334
Prefixes per ASN: 9.22
Origin-only ASes present in the Internet Routing Table: 27229
Origin ASes announcing only one prefix: 13290
Transit ASes present in the Internet Routing Table: 4105
Transit-only ASes present in the Internet Routing Table: 96
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 508
Unregistered ASNs in the Routing Table: 148
Number of 32-bit ASNs allocated by the RIRs: 162
Prefixes from 32-bit ASNs in the Routing Table: 34
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 829
Number of addresses announced to Internet: 2046416704
Equivalent to 121 /8s, 249 /16s and 215 /24s
Percentage of available address space announced: 55.2
Percentage of allocated address space announced: 63.9
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 77.1
Total number of prefixes smaller than registry allocations: 142718
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 67946
Total APNIC prefixes after maximum aggregation: 24352
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 67367
Unique aggregates announced from the APNIC address blocks: 30587
APNIC Region origin ASes present in the Internet Routing Table: 3645
APNIC Prefixes per ASN: 18.48
APNIC Region origin ASes announcing only one prefix: 997
APNIC Region transit ASes present in the Internet Routing Table: 560
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 451649376
Equivalent to 26 /8s, 235 /16s and 159 /24s
Percentage of available APNIC address space announced: 84.1
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, 110/8, 111/8, 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,
180/8, 183/8, 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: 124987
Total ARIN prefixes after maximum aggregation: 65724
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 125717
Unique aggregates announced from the ARIN address blocks: 51604
ARIN Region origin ASes present in the Internet Routing Table: 13001
ARIN Prefixes per ASN: 9.67
ARIN Region origin ASes announcing only one prefix: 4997
ARIN Region transit ASes present in the Internet Routing Table: 1276
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1009211200
Equivalent to 60 /8s, 39 /16s and 87 /24s
Percentage of available ARIN address space announced: 194.0
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
53248-55295
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, 108/8, 173/8,
174/8, 184/8, 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: 65385
Total RIPE prefixes after maximum aggregation: 38691
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 64660
Unique aggregates announced from the RIPE address blocks: 43524
RIPE Region origin ASes present in the Internet Routing Table: 13051
RIPE Prefixes per ASN: 4.95
RIPE Region origin ASes announcing only one prefix: 6844
RIPE Region transit ASes present in the Internet Routing Table: 1976
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 480407968
Equivalent to 28 /8s, 162 /16s and 113 /24s
Percentage of available RIPE address space announced: 102.3
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, 47104-52223
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, 109/8,
178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 23845
Total LACNIC prefixes after maximum aggregation: 5912
LACNIC Deaggregation factor: 4.03
Prefixes being announced from the LACNIC address blocks: 23671
Unique aggregates announced from the LACNIC address blocks: 13070
LACNIC Region origin ASes present in the Internet Routing Table: 1112
LACNIC Prefixes per ASN: 21.29
LACNIC Region origin ASes announcing only one prefix: 361
LACNIC Region transit ASes present in the Internet Routing Table: 184
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 71456896
Equivalent to 4 /8s, 66 /16s and 88 /24s
Percentage of available LACNIC address space announced: 71.0
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
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: 6226
Total AfriNIC prefixes after maximum aggregation: 1449
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 6552
Unique aggregates announced from the AfriNIC address blocks: 2460
AfriNIC Region origin ASes present in the Internet Routing Table: 299
AfriNIC Prefixes per ASN: 21.91
AfriNIC Region origin ASes announcing only one prefix: 91
AfriNIC Region transit ASes present in the Internet Routing Table: 63
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 19322112
Equivalent to 1 /8s, 38 /16s and 213 /24s
Percentage of available AfriNIC address space announced: 57.6
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1705 6930 401 Korea Telecom (KIX)
17488 1587 130 98 Hathway IP Over Cable Interne
4755 1249 476 125 TATA Communications formerly
9583 1077 86 539 Sify Limited
4134 890 16789 375 CHINANET-BACKBONE
23577 779 34 661 Korea Telecom (ATM-MPLS)
7545 778 198 100 TPG Internet Pty Ltd
18101 753 216 31 Reliance Infocom Ltd Internet
24560 692 230 175 Bharti Airtel Ltd.
9498 659 231 50 BHARTI BT INTERNET 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 4295 3647 324 bellsouth.net, inc.
209 2539 4133 603 Qwest
4323 1853 1035 374 Time Warner Telecom
1785 1769 717 139 PaeTec Communications, Inc.
20115 1627 1443 719 Charter Communications
7018 1500 5903 1034 AT&T WorldNet Services
6478 1413 313 398 AT&T Worldnet Services
2386 1264 682 918 AT&T Data Communications Serv
3356 1219 10981 457 Level 3 Communications, LLC
11492 1102 193 12 Cable One
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
30890 538 88 201 Evolva Telecom
3292 456 1893 394 TDC Tele Danmark
12479 449 578 6 Uni2 Autonomous System
702 431 1864 345 UUNET - Commercial IP service
8866 385 110 26 Bulgarian Telecommunication C
3320 344 7066 295 Deutsche Telekom AG
3215 343 3041 108 France Telecom Transpac
35805 341 24 4 United Telecom of Georgia
3301 340 1668 304 TeliaNet Sweden
29049 316 26 3 AzerSat LLC.
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 1449 2862 233 UniNet S.A. de C.V.
10620 914 207 108 TVCABLE BOGOTA
22047 614 302 14 VTR PUNTO NET S.A.
7303 532 290 71 Telecom Argentina Stet-France
11830 485 292 60 Instituto Costarricense de El
28573 481 562 35 NET Servicos de Comunicao S.A
6471 443 96 32 ENTEL CHILE S.A.
11172 441 102 70 Servicios Alestra S.A de C.V
7738 404 794 28 Telecomunicacoes da Bahia S.A
3816 351 164 75 Empresa Nacional de Telecomun
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
8452 1206 188 7 TEDATA
24863 878 81 40 LINKdotNET AS number
20858 310 34 5 EgyNet
3741 278 860 238 The Internet Solution
2018 244 215 143 Tertiary Education Network
6713 160 151 12 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 8 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
33776 116 6 7 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 4295 3647 324 bellsouth.net, inc.
209 2539 4133 603 Qwest
4323 1853 1035 374 Time Warner Telecom
1785 1769 717 139 PaeTec Communications, Inc.
4766 1705 6930 401 Korea Telecom (KIX)
20115 1627 1443 719 Charter Communications
17488 1587 130 98 Hathway IP Over Cable Interne
7018 1500 5903 1034 AT&T WorldNet Services
8151 1449 2862 233 UniNet S.A. de C.V.
6478 1413 313 398 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 2539 1936 Qwest
1785 1769 1630 PaeTec Communications, Inc.
17488 1587 1489 Hathway IP Over Cable Interne
4323 1853 1479 Time Warner Telecom
4766 1705 1304 Korea Telecom (KIX)
8151 1449 1216 UniNet S.A. de C.V.
8452 1206 1199 TEDATA
4755 1249 1124 TATA Communications formerly
11492 1102 1090 Cable One
18566 1062 1052 Covad 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
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 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 22555 Universal Talkware Corporatio
64.31.32.0/19 11955 ServiceCo LLC - Road Runner
64.31.59.0/24 7017 ServiceCo LLC - Road Runner
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 /9:10 /10:20 /11:58 /12:166
/13:342 /14:600 /15:1149 /16:10480 /17:4757 /18:8182
/19:17174 /20:20420 /21:20337 /22:26013 /23:25720 /24:150812
/25:847 /26:993 /27:545 /28:144 /29:8 /30:5
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2800 4295 bellsouth.net, inc.
4766 1398 1705 Korea Telecom (KIX)
17488 1307 1587 Hathway IP Over Cable Interne
209 1283 2539 Qwest
8452 1175 1206 TEDATA
1785 1172 1769 PaeTec Communications, Inc.
18566 1043 1062 Covad Communications
11492 1037 1102 Cable One
2386 974 1264 AT&T Data Communications Serv
4323 954 1853 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:202 12:2227 13:10 15:19 16:3
17:4 20:35 24:1075 32:52 34:2 38:560
40:97 41:1994 43:1 44:2 47:22 52:4
55:2 56:3 57:25 58:587 59:641 60:459
61:1096 62:1089 63:2083 64:3702 65:2382 66:3603
67:1606 68:802 69:2629 70:525 71:146 72:1663
73:2 74:1534 75:171 76:308 77:855 78:561
79:336 80:968 81:816 82:549 83:430 84:619
85:1029 86:405 87:654 88:355 89:1442 90:62
91:2231 92:329 93:1021 94:1217 95:1206 96:129
97:209 98:228 99:19 109:1 110:124 112:126
113:109 114:270 115:287 116:1157 117:518 118:294
119:701 120:144 121:740 122:1022 123:679 124:967
125:1325 128:222 129:235 130:126 131:412 132:75
133:9 134:186 135:39 136:224 137:155 138:160
139:78 140:444 141:109 142:380 143:346 144:362
145:47 146:378 147:153 148:518 149:228 150:176
151:199 152:147 153:139 154:2 155:275 156:170
157:297 158:115 159:313 160:283 161:142 162:269
163:153 164:480 165:503 166:275 167:362 168:680
169:165 170:478 171:40 172:10 173:289 174:213
178:1 180:1 183:1 186:16 187:94 188:20
189:371 190:2614 192:5815 193:4223 194:3303 195:2712
196:1080 198:3624 199:3361 200:5295 201:1278 202:7856
203:8197 204:3810 205:2160 206:2454 207:2782 208:3915
209:3444 210:2682 211:1113 212:1491 213:1686 214:77
215:30 216:4688 217:1262 218:369 219:430 220:1216
221:472 222:294
End of report