Routing Table Report 04:00 +10GMT Sun 11 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 325554
Prefixes after maximum aggregation: 149620
Deaggregation factor: 2.18
Unique aggregates announced to Internet: 159005
Total ASes present in the Internet Routing Table: 34298
Prefixes per ASN: 9.49
Origin-only ASes present in the Internet Routing Table: 29789
Origin ASes announcing only one prefix: 14413
Transit ASes present in the Internet Routing Table: 4509
Transit-only ASes present in the Internet Routing Table: 104
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 301
Unregistered ASNs in the Routing Table: 114
Number of 32-bit ASNs allocated by the RIRs: 679
Prefixes from 32-bit ASNs in the Routing Table: 817
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 158
Number of addresses announced to Internet: 2252472928
Equivalent to 134 /8s, 66 /16s and 2 /24s
Percentage of available address space announced: 60.8
Percentage of allocated address space announced: 65.5
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.7
Total number of prefixes smaller than registry allocations: 155418
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78739
Total APNIC prefixes after maximum aggregation: 27035
APNIC Deaggregation factor: 2.91
Prefixes being announced from the APNIC address blocks: 75612
Unique aggregates announced from the APNIC address blocks: 33339
APNIC Region origin ASes present in the Internet Routing Table: 4104
APNIC Prefixes per ASN: 18.42
APNIC Region origin ASes announcing only one prefix: 1131
APNIC Region transit ASes present in the Internet Routing Table: 636
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 526466848
Equivalent to 31 /8s, 97 /16s and 63 /24s
Percentage of available APNIC address space announced: 78.4
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 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, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 134817
Total ARIN prefixes after maximum aggregation: 69406
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107659
Unique aggregates announced from the ARIN address blocks: 41912
ARIN Region origin ASes present in the Internet Routing Table: 13768
ARIN Prefixes per ASN: 7.82
ARIN Region origin ASes announcing only one prefix: 5268
ARIN Region transit ASes present in the Internet Routing Table: 1352
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 728691232
Equivalent to 43 /8s, 110 /16s and 242 /24s
Percentage of available ARIN address space announced: 62.0
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, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8,
30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8,
44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8,
55/8, 56/8, 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, 107/8,
108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8,
206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 74659
Total RIPE prefixes after maximum aggregation: 43270
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 67819
Unique aggregates announced from the RIPE address blocks: 44441
RIPE Region origin ASes present in the Internet Routing Table: 14569
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 7498
RIPE Region transit ASes present in the Internet Routing Table: 2168
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 433694240
Equivalent to 25 /8s, 217 /16s and 166 /24s
Percentage of available RIPE address space announced: 76.0
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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 31/8, 46/8, 51/8, 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, 176/8, 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: 28939
Total LACNIC prefixes after maximum aggregation: 6929
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 27426
Unique aggregates announced from the LACNIC address blocks: 14480
LACNIC Region origin ASes present in the Internet Routing Table: 1305
LACNIC Prefixes per ASN: 21.02
LACNIC Region origin ASes announcing only one prefix: 403
LACNIC Region transit ASes present in the Internet Routing Table: 224
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 75277824
Equivalent to 4 /8s, 124 /16s and 166 /24s
Percentage of available LACNIC address space announced: 56.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 7336
Total AfriNIC prefixes after maximum aggregation: 1855
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 5624
Unique aggregates announced from the AfriNIC address blocks: 1736
AfriNIC Region origin ASes present in the Internet Routing Table: 377
AfriNIC Prefixes per ASN: 14.92
AfriNIC Region origin ASes announcing only one prefix: 113
AfriNIC Region transit ASes present in the Internet Routing Table: 82
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 19618816
Equivalent to 1 /8s, 43 /16s and 92 /24s
Percentage of available AfriNIC address space announced: 58.5
AfriNIC AS Blocks 36864-37887, 327680-328703 & 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 1857 8425 493 Korea Telecom (KIX)
4755 1369 296 163 TATA Communications formerly
7545 1359 232 105 TPG Internet Pty Ltd
17488 1331 145 127 Hathway IP Over Cable Interne
17974 1146 285 28 PT TELEKOMUNIKASI INDONESIA
9583 1009 76 492 Sify Limited
24560 932 305 168 Bharti Airtel Ltd., Telemedia
4134 877 21420 409 CHINANET-BACKBONE
4808 824 1575 219 CNCGROUP IP network: China169
9829 813 685 32 BSNL National Internet Backbo
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 3901 3734 290 bellsouth.net, inc.
4323 2718 1114 394 Time Warner Telecom
19262 1827 4562 274 Verizon Global Networks
1785 1778 698 129 PaeTec Communications, Inc.
20115 1547 1522 655 Charter Communications
7018 1511 5735 963 AT&T WorldNet Services
2386 1279 567 903 AT&T Data Communications Serv
6478 1278 257 149 AT&T Worldnet Services
3356 1175 10877 405 Level 3 Communications, LLC
22773 1168 2859 65 Cox Communications, Inc.
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
35805 650 56 6 United Telecom of Georgia
3292 452 2027 393 TDC Tele Danmark
30890 442 111 207 Evolva Telecom
702 413 1869 325 UUNET - Commercial IP service
9198 409 202 13 Kazakhtelecom Data Network Ad
8866 402 117 18 Bulgarian Telecommunication C
8551 400 353 46 Bezeq International
3320 373 7329 324 Deutsche Telekom AG
3301 372 1414 327 TeliaNet Sweden
34984 359 89 185 BILISIM TELEKOM
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 1523 3017 244 UniNet S.A. de C.V.
10620 1071 239 148 TVCABLE BOGOTA
28573 1029 795 98 NET Servicos de Comunicao S.A
7303 759 390 103 Telecom Argentina Stet-France
6503 680 159 218 AVANTEL, S.A.
22047 548 310 15 VTR PUNTO NET S.A.
3816 499 216 87 Empresa Nacional de Telecomun
14420 488 31 70 CORPORACION NACIONAL DE TELEC
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 451 99 77 Servicios Alestra S.A de C.V
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 1165 445 10 TEDATA
24863 727 147 39 LINKdotNET AS number
36992 649 279 185 Etisalat MISR
3741 267 834 229 The Internet Solution
33776 219 12 11 Starcomms Nigeria Limited
2018 209 244 61 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
24835 191 78 10 RAYA Telecom - Egypt
29571 177 19 10 Ci Telecom Autonomous system
16637 165 440 96 MTN Network Solutions
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 3901 3734 290 bellsouth.net, inc.
4323 2718 1114 394 Time Warner Telecom
4766 1857 8425 493 Korea Telecom (KIX)
19262 1827 4562 274 Verizon Global Networks
1785 1778 698 129 PaeTec Communications, Inc.
20115 1547 1522 655 Charter Communications
8151 1523 3017 244 UniNet S.A. de C.V.
7018 1511 5735 963 AT&T WorldNet Services
4755 1369 296 163 TATA Communications formerly
7545 1359 232 105 TPG Internet Pty Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2718 2324 Time Warner Telecom
1785 1778 1649 PaeTec Communications, Inc.
19262 1827 1553 Verizon Global Networks
4766 1857 1364 Korea Telecom (KIX)
8151 1523 1279 UniNet S.A. de C.V.
7545 1359 1254 TPG Internet Pty Ltd
4755 1369 1206 TATA Communications formerly
17488 1331 1204 Hathway IP Over Cable Interne
8452 1165 1155 TEDATA
6478 1278 1129 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
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 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 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
31.0.0.0/16 12654 RIPE NCC RIS Project
31.1.0.0/21 12654 RIPE NCC RIS Project
31.1.24.0/24 12654 RIPE NCC RIS Project
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 6453 Teleglobe Inc.
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 36990 Alkan Telecom Ltd
41.223.198.0/24 36990 Alkan Telecom Ltd
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 /8:20 /9:10 /10:25 /11:67 /12:196
/13:407 /14:709 /15:1286 /16:11164 /17:5350 /18:9147
/19:18439 /20:22948 /21:22935 /22:30133 /23:29665 /24:169800
/25:1036 /26:1328 /27:712 /28:117 /29:47 /30:6
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2499 3901 bellsouth.net, inc.
4766 1485 1857 Korea Telecom (KIX)
4323 1392 2718 Time Warner Telecom
1785 1239 1778 PaeTec Communications, Inc.
17488 1076 1331 Hathway IP Over Cable Interne
11492 1074 1165 Cable One
18566 1068 1087 Covad Communications
8452 1053 1165 TEDATA
10620 987 1071 TVCABLE BOGOTA
7018 910 1511 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:7 2:2 4:13 8:288 12:2014 13:7
14:1 15:22 16:3 17:8 20:6 24:1458
27:239 31:1 32:49 33:12 38:682 40:98
41:2437 44:3 46:1 47:18 52:9 55:3
56:2 57:28 58:752 59:501 60:459 61:1086
62:1067 63:1973 64:3656 65:2348 66:4047 67:1827
68:1107 69:2866 70:724 71:381 72:1961 73:2
74:2269 75:248 76:313 77:937 78:619 79:436
80:976 81:799 82:489 83:444 84:681 85:1051
86:455 87:680 88:331 89:1546 90:94 91:2867
92:488 93:990 94:1400 95:640 96:353 97:209
98:592 99:31 108:100 109:560 110:365 111:544
112:284 113:317 114:428 115:567 116:1082 117:650
118:480 119:946 120:132 121:724 122:1462 123:936
124:1122 125:1320 128:227 129:201 130:196 131:552
132:251 133:17 134:195 135:45 136:219 137:159
138:264 139:104 140:484 141:198 142:345 143:376
144:470 145:50 146:449 147:168 148:663 149:300
150:152 151:230 152:296 153:169 154:2 155:360
156:159 157:322 158:107 159:379 160:315 161:181
162:254 163:177 164:407 165:366 166:460 167:412
168:647 169:157 170:712 171:59 172:2 173:933
174:471 175:138 176:1 178:280 180:515 182:150
183:235 184:109 186:496 187:386 188:1010 189:778
190:3810 192:5728 193:4702 194:3372 195:2799 196:1194
198:3574 199:3463 200:5320 201:1559 202:7953 203:8282
204:4070 205:2326 206:2525 207:3113 208:3867 209:3453
210:2532 211:1268 212:1709 213:1642 214:634 215:69
216:4685 217:1526 218:497 219:378 220:1147 221:401
222:316 223:1
End of report