Routing Table Report 04:00 +10GMT Sun 04 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 323678
Prefixes after maximum aggregation: 149244
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 158675
Total ASes present in the Internet Routing Table: 34268
Prefixes per ASN: 9.45
Origin-only ASes present in the Internet Routing Table: 29753
Origin ASes announcing only one prefix: 14411
Transit ASes present in the Internet Routing Table: 4515
Transit-only ASes present in the Internet Routing Table: 109
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: 269
Unregistered ASNs in the Routing Table: 114
Number of 32-bit ASNs allocated by the RIRs: 657
Prefixes from 32-bit ASNs in the Routing Table: 778
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 158
Number of addresses announced to Internet: 2252840736
Equivalent to 134 /8s, 71 /16s and 159 /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: 83.6
Total number of prefixes smaller than registry allocations: 154365
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78335
Total APNIC prefixes after maximum aggregation: 27006
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 75171
Unique aggregates announced from the APNIC address blocks: 33273
APNIC Region origin ASes present in the Internet Routing Table: 4097
APNIC Prefixes per ASN: 18.35
APNIC Region origin ASes announcing only one prefix: 1125
APNIC Region transit ASes present in the Internet Routing Table: 640
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 525712672
Equivalent to 31 /8s, 85 /16s and 189 /24s
Percentage of available APNIC address space announced: 78.3
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: 134538
Total ARIN prefixes after maximum aggregation: 69310
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107377
Unique aggregates announced from the ARIN address blocks: 41851
ARIN Region origin ASes present in the Internet Routing Table: 13764
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5286
ARIN Region transit ASes present in the Internet Routing Table: 1351
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 730695200
Equivalent to 43 /8s, 141 /16s and 134 /24s
Percentage of available ARIN address space announced: 62.2
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
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: 74644
Total RIPE prefixes after maximum aggregation: 43282
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67758
Unique aggregates announced from the RIPE address blocks: 44469
RIPE Region origin ASes present in the Internet Routing Table: 14554
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 7491
RIPE Region transit ASes present in the Internet Routing Table: 2158
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 433310240
Equivalent to 25 /8s, 211 /16s and 202 /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: 27848
Total LACNIC prefixes after maximum aggregation: 6728
LACNIC Deaggregation factor: 4.14
Prefixes being announced from the LACNIC address blocks: 26402
Unique aggregates announced from the LACNIC address blocks: 14181
LACNIC Region origin ASes present in the Internet Routing Table: 1296
LACNIC Prefixes per ASN: 20.37
LACNIC Region origin ASes announcing only one prefix: 396
LACNIC Region transit ASes present in the Internet Routing Table: 227
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 74788032
Equivalent to 4 /8s, 117 /16s and 44 /24s
Percentage of available LACNIC address space announced: 55.7
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: 7315
Total AfriNIC prefixes after maximum aggregation: 1859
AfriNIC Deaggregation factor: 3.93
Prefixes being announced from the AfriNIC address blocks: 5614
Unique aggregates announced from the AfriNIC address blocks: 1733
AfriNIC Region origin ASes present in the Internet Routing Table: 377
AfriNIC Prefixes per ASN: 14.89
AfriNIC Region origin ASes announcing only one prefix: 113
AfriNIC Region transit ASes present in the Internet Routing Table: 86
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 19536640
Equivalent to 1 /8s, 42 /16s and 27 /24s
Percentage of available AfriNIC address space announced: 58.2
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 1851 8423 487 Korea Telecom (KIX)
4755 1369 295 161 TATA Communications formerly
7545 1345 232 105 TPG Internet Pty Ltd
17488 1326 144 130 Hathway IP Over Cable Interne
17974 1147 285 30 PT TELEKOMUNIKASI INDONESIA
9583 994 73 487 Sify Limited
24560 927 307 171 Bharti Airtel Ltd., Telemedia
4134 876 21292 408 CHINANET-BACKBONE
4808 827 1572 216 CNCGROUP IP network: China169
9829 810 684 41 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 3907 3734 291 bellsouth.net, inc.
4323 2716 1114 394 Time Warner Telecom
19262 1824 4562 274 Verizon Global Networks
1785 1775 698 128 PaeTec Communications, Inc.
20115 1561 1520 655 Charter Communications
7018 1507 5736 957 AT&T WorldNet Services
6478 1288 260 92 AT&T Worldnet Services
2386 1280 568 904 AT&T Data Communications Serv
3356 1176 10875 404 Level 3 Communications, LLC
22773 1166 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 648 56 6 United Telecom of Georgia
3292 452 2027 393 TDC Tele Danmark
30890 443 111 205 Evolva Telecom
702 415 1870 327 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 360 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 1474 3015 238 UniNet S.A. de C.V.
10620 1066 238 150 TVCABLE BOGOTA
28573 1013 791 97 NET Servicos de Comunicao S.A
7303 749 385 107 Telecom Argentina Stet-France
6503 561 137 183 AVANTEL, S.A.
22047 548 310 15 VTR PUNTO NET S.A.
3816 498 217 85 Empresa Nacional de Telecomun
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 452 100 78 Servicios Alestra S.A de C.V
11830 432 308 56 Instituto Costarricense de El
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 1152 445 10 TEDATA
24863 728 147 39 LINKdotNET AS number
36992 645 279 185 Etisalat MISR
3741 267 834 228 The Internet Solution
33776 219 12 11 Starcomms Nigeria Limited
2018 210 244 61 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
24835 192 78 10 RAYA Telecom - Egypt
29571 176 19 10 Ci Telecom Autonomous system
29975 133 506 14 Vodacom
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 3907 3734 291 bellsouth.net, inc.
4323 2716 1114 394 Time Warner Telecom
4766 1851 8423 487 Korea Telecom (KIX)
19262 1824 4562 274 Verizon Global Networks
1785 1775 698 128 PaeTec Communications, Inc.
20115 1561 1520 655 Charter Communications
7018 1507 5736 957 AT&T WorldNet Services
8151 1474 3015 238 UniNet S.A. de C.V.
4755 1369 295 161 TATA Communications formerly
7545 1345 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 2716 2322 Time Warner Telecom
1785 1775 1647 PaeTec Communications, Inc.
19262 1824 1550 Verizon Global Networks
4766 1851 1364 Korea Telecom (KIX)
7545 1345 1240 TPG Internet Pty Ltd
8151 1474 1236 UniNet S.A. de C.V.
4755 1369 1208 TATA Communications formerly
17488 1326 1196 Hathway IP Over Cable Interne
6478 1288 1196 AT&T Worldnet Services
8452 1152 1142 TEDATA
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 /11:68 /12:196
/13:406 /14:708 /15:1286 /16:11154 /17:5335 /18:9128
/19:18403 /20:22773 /21:22846 /22:29956 /23:29596 /24:168532
/25:1032 /26:1320 /27:708 /28:116 /29:47 /30:6
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2504 3907 bellsouth.net, inc.
4766 1482 1851 Korea Telecom (KIX)
4323 1397 2716 Time Warner Telecom
1785 1238 1775 PaeTec Communications, Inc.
11492 1071 1161 Cable One
17488 1071 1326 Hathway IP Over Cable Interne
18566 1068 1087 Covad Communications
8452 1040 1152 TEDATA
10620 982 1066 TVCABLE BOGOTA
7018 910 1507 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:6 2:10 4:13 8:286 12:2013 13:7
14:1 15:23 16:3 17:8 20:17 24:1454
27:200 31:1 32:48 33:12 38:679 40:98
41:2437 44:3 47:18 52:9 55:4 56:2
57:25 58:750 59:501 60:459 61:1089 62:1054
63:1974 64:3658 65:2361 66:4036 67:1809 68:1105
69:2870 70:722 71:380 72:1953 73:2 74:2264
75:253 76:313 77:951 78:600 79:436 80:979
81:799 82:489 83:435 84:708 85:1053 86:454
87:678 88:342 89:1558 90:93 91:2842 92:488
93:986 94:1400 95:638 96:352 97:207 98:573
99:29 108:97 109:554 110:364 111:533 112:267
113:315 114:427 115:561 116:1068 117:660 118:483
119:913 120:130 121:723 122:1455 123:931 124:1121
125:1321 128:226 129:202 130:194 131:554 132:251
133:17 134:191 135:45 136:241 137:158 138:264
139:104 140:482 141:198 142:346 143:392 144:467
145:50 146:438 147:168 148:602 149:301 150:150
151:230 152:302 153:169 154:2 155:328 156:157
157:322 158:109 159:377 160:313 161:181 162:254
163:175 164:408 165:365 166:463 167:404 168:653
169:157 170:714 171:58 172:2 173:875 174:468
175:105 176:1 178:265 180:515 182:147 183:228
184:103 186:322 187:387 188:993 189:743 190:3439
192:5736 193:4712 194:3362 195:2794 196:1182 198:3573
199:3457 200:5182 201:1482 202:7958 203:8277 204:4066
205:2341 206:2520 207:3107 208:3869 209:3447 210:2527
211:1265 212:1694 213:1665 214:635 215:69 216:4656
217:1523 218:491 219:379 220:1132 221:398 222:314
223:1
End of report