Routing Table Report 08:00 +10GMT Fri 16 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 320748
Prefixes after maximum aggregation: 148165
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 158849
Total ASes present in the Internet Routing Table: 34215
Prefixes per ASN: 9.37
Origin-only ASes present in the Internet Routing Table: 29661
Origin ASes announcing only one prefix: 14450
Transit ASes present in the Internet Routing Table: 4554
Transit-only ASes present in the Internet Routing Table: 107
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 25
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 317
Unregistered ASNs in the Routing Table: 112
Number of 32-bit ASNs allocated by the RIRs: 686
Prefixes from 32-bit ASNs in the Routing Table: 822
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 163
Number of addresses announced to Internet: 2561213440
Equivalent to 152 /8s, 169 /16s and 4 /24s
Percentage of available address space announced: 69.1
Percentage of allocated address space announced: 74.5
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.8
Total number of prefixes smaller than registry allocations: 150783
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75526
Total APNIC prefixes after maximum aggregation: 26065
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 73167
Unique aggregates announced from the APNIC address blocks: 33448
APNIC Region origin ASes present in the Internet Routing Table: 4062
APNIC Prefixes per ASN: 18.01
APNIC Region origin ASes announcing only one prefix: 1151
APNIC Region transit ASes present in the Internet Routing Table: 623
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 530852096
Equivalent to 31 /8s, 164 /16s and 41 /24s
Percentage of available APNIC address space announced: 79.1
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: 132595
Total ARIN prefixes after maximum aggregation: 68916
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 105959
Unique aggregates announced from the ARIN address blocks: 41879
ARIN Region origin ASes present in the Internet Routing Table: 13729
ARIN Prefixes per ASN: 7.72
ARIN Region origin ASes announcing only one prefix: 5285
ARIN Region transit ASes present in the Internet Routing Table: 1350
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 729606912
Equivalent to 43 /8s, 124 /16s and 235 /24s
Percentage of available ARIN address space announced: 62.1
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: 75240
Total RIPE prefixes after maximum aggregation: 43348
RIPE Deaggregation factor: 1.74
Prefixes being announced from the RIPE address blocks: 68378
Unique aggregates announced from the RIPE address blocks: 44415
RIPE Region origin ASes present in the Internet Routing Table: 14575
RIPE Prefixes per ASN: 4.69
RIPE Region origin ASes announcing only one prefix: 7489
RIPE Region transit ASes present in the Internet Routing Table: 2213
Average RIPE Region AS path length visible: 3.3
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 434031360
Equivalent to 25 /8s, 222 /16s and 203 /24s
Percentage of available RIPE address space announced: 76.1
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: 28651
Total LACNIC prefixes after maximum aggregation: 6873
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 27283
Unique aggregates announced from the LACNIC address blocks: 14549
LACNIC Region origin ASes present in the Internet Routing Table: 1295
LACNIC Prefixes per ASN: 21.07
LACNIC Region origin ASes announcing only one prefix: 407
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: 75503104
Equivalent to 4 /8s, 128 /16s and 22 /24s
Percentage of available LACNIC address space announced: 56.3
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: 7260
Total AfriNIC prefixes after maximum aggregation: 1846
AfriNIC Deaggregation factor: 3.93
Prefixes being announced from the AfriNIC address blocks: 5572
Unique aggregates announced from the AfriNIC address blocks: 1596
AfriNIC Region origin ASes present in the Internet Routing Table: 376
AfriNIC Prefixes per ASN: 14.82
AfriNIC Region origin ASes announcing only one prefix: 118
AfriNIC Region transit ASes present in the Internet Routing Table: 81
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 19613184
Equivalent to 1 /8s, 43 /16s and 70 /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 1696 8425 488 Korea Telecom (KIX)
7545 1380 232 106 TPG Internet Pty Ltd
17488 1333 145 127 Hathway IP Over Cable Interne
4755 1320 296 157 TATA Communications formerly
17974 1157 285 49 PT TELEKOMUNIKASI INDONESIA
9583 1000 74 485 Sify Limited
24560 957 305 178 Bharti Airtel Ltd., Telemedia
4134 849 21740 411 CHINANET-BACKBONE
9829 813 685 32 BSNL National Internet Backbo
4808 763 1476 192 CNCGROUP IP network: China169
Complete listing at http://thyme.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3893 3718 288 bellsouth.net, inc.
4323 2715 1112 392 Time Warner Telecom
19262 1827 4562 274 Verizon Global Networks
1785 1780 698 129 PaeTec Communications, Inc.
20115 1548 1524 653 Charter Communications
7018 1483 5735 960 AT&T WorldNet Services
2386 1282 552 911 AT&T Data Communications Serv
6478 1258 253 197 AT&T Worldnet Services
22773 1172 2859 65 Cox Communications, Inc.
11492 1163 209 76 Cable One
Complete listing at http://thyme.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
35805 652 56 6 United Telecom of Georgia
9116 531 328 32 Goldenlines main autonomous s
9198 497 202 13 Kazakhtelecom Data Network Ad
3292 453 2027 394 TDC Tele Danmark
30890 441 111 207 Evolva Telecom
702 414 1869 326 UUNET - Commercial IP service
8551 402 355 38 Bezeq International
8866 402 117 18 Bulgarian Telecommunication C
3320 373 7329 324 Deutsche Telekom AG
3301 372 1414 327 TeliaNet Sweden
Complete listing at http://thyme.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1440 3032 240 UniNet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1036 812 100 NET Servicos de Comunicao S.A
7303 736 390 93 Telecom Argentina Stet-France
6503 688 177 219 AVANTEL, S.A.
22047 551 310 15 VTR PUNTO NET S.A.
3816 501 218 87 Empresa Nacional de Telecomun
14420 498 32 72 ANDINATEL S.A.
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 449 99 77 Servicios Alestra S.A de C.V
Complete listing at http://thyme.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1100 445 10 TEDATA
24863 723 146 36 LINKdotNET AS number
36992 650 279 185 Etisalat MISR
3741 267 834 229 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 209 244 61 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
24835 189 78 9 RAYA Telecom - Egypt
29571 177 19 10 Ci Telecom Autonomous system
16637 172 441 100 MTN Network Solutions
Complete listing at http://thyme.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3893 3718 288 bellsouth.net, inc.
4323 2715 1112 392 Time Warner Telecom
19262 1827 4562 274 Verizon Global Networks
1785 1780 698 129 PaeTec Communications, Inc.
4766 1696 8425 488 Korea Telecom (KIX)
20115 1548 1524 653 Charter Communications
7018 1483 5735 960 AT&T WorldNet Services
8151 1440 3032 240 UniNet S.A. de C.V.
7545 1380 232 106 TPG Internet Pty Ltd
17488 1333 145 127 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2715 2323 Time Warner Telecom
1785 1780 1651 PaeTec Communications, Inc.
19262 1827 1553 Verizon Global Networks
7545 1380 1274 TPG Internet Pty Ltd
4766 1696 1208 Korea Telecom (KIX)
17488 1333 1206 Hathway IP Over Cable Interne
8151 1440 1200 UniNet S.A. de C.V.
4755 1320 1163 TATA Communications formerly
17974 1157 1108 PT TELEKOMUNIKASI INDONESIA
22773 1172 1107 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 5.0.0.0/8 0 *
65333 PRIVATE 10.0.0.0/8 0 *
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
Complete listing at http://thyme.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 65333 Internet Assigned Numbers Aut
198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.apnic.net/london/data-dsua
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/london/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 /8:38 /9:10 /10:25 /11:68 /12:198
/13:407 /14:712 /15:1286 /16:11151 /17:5350 /18:9148
/19:18572 /20:23055 /21:22916 /22:29767 /23:29430 /24:168238
/25:10 /26:16 /27:26 /28:142 /29:75 /30:26
/31:0 /32:82
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2493 3893 bellsouth.net, inc.
4323 1391 2715 Time Warner Telecom
4766 1326 1696 Korea Telecom (KIX)
1785 1241 1780 PaeTec Communications, Inc.
17488 1078 1333 Hathway IP Over Cable Interne
11492 1072 1163 Cable One
18566 1039 1058 Covad Communications
8452 992 1100 TEDATA
10620 988 1072 TVCABLE BOGOTA
7018 884 1483 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:10 2:2 4:13 8:288 12:2018 13:7
14:1 15:22 16:3 17:8 20:6 24:1465
27:249 31:1 32:47 33:12 38:683 40:98
41:2391 44:3 46:2 47:17 52:9 55:4
56:2 57:36 58:665 59:499 60:458 61:1008
62:1037 63:1967 64:3649 65:2342 66:4037 67:1829
68:1107 69:2689 70:723 71:385 72:1950 73:2
74:2255 75:249 76:316 77:897 78:618 79:433
80:978 81:765 82:492 83:442 84:668 85:1052
86:458 87:695 88:341 89:1545 90:94 91:2879
92:501 93:994 94:1402 95:646 96:349 97:212
98:609 99:31 108:100 109:565 110:384 111:539
112:282 113:317 114:431 115:564 116:1070 117:647
118:481 119:878 120:129 121:705 122:1481 123:938
124:1103 125:1318 128:177 129:192 130:163 131:549
132:245 133:16 134:187 135:45 136:239 137:146
138:264 139:120 140:459 141:197 142:322 143:367
144:464 145:50 146:434 147:163 148:638 149:300
150:148 151:229 152:286 153:169 154:1 155:358
156:157 157:296 158:109 159:354 160:315 161:177
162:253 163:167 164:405 165:363 166:459 167:414
168:645 169:155 170:708 171:59 172:2 173:941
174:480 175:145 176:1 178:306 180:516 182:143
183:235 184:111 186:501 187:388 188:1004 189:768
190:3798 192:5677 193:4705 194:3400 195:2800 196:1191
198:3510 199:3418 200:5305 201:1562 202:7806 203:8180
204:4019 205:2299 206:2404 207:3032 208:3867 209:3419
210:2488 211:1265 212:1723 213:1656 214:645 215:69
216:4664 217:1531 218:490 219:373 220:1142 221:386
222:311 223:1
End of report