Routing Table Report 04:00 +10GMT Wed 26 May, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 320909
Prefixes after maximum aggregation: 148504
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 157205
Total ASes present in the Internet Routing Table: 34059
Prefixes per ASN: 9.42
Origin-only ASes present in the Internet Routing Table: 29567
Origin ASes announcing only one prefix: 14355
Transit ASes present in the Internet Routing Table: 4492
Transit-only ASes present in the Internet Routing Table: 103
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (32374) 19
Prefixes from unregistered ASNs in the Routing Table: 321
Unregistered ASNs in the Routing Table: 120
Number of 32-bit ASNs allocated by the RIRs: 590
Prefixes from 32-bit ASNs in the Routing Table: 662
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 163
Number of addresses announced to Internet: 2256088384
Equivalent to 134 /8s, 121 /16s and 45 /24s
Percentage of available address space announced: 60.9
Percentage of allocated address space announced: 66.3
Percentage of available address space allocated: 91.9
Percentage of address space in use by end-sites: 83.0
Total number of prefixes smaller than registry allocations: 153477
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76629
Total APNIC prefixes after maximum aggregation: 26778
APNIC Deaggregation factor: 2.86
Prefixes being announced from the APNIC address blocks: 73626
Unique aggregates announced from the APNIC address blocks: 32454
APNIC Region origin ASes present in the Internet Routing Table: 4053
APNIC Prefixes per ASN: 18.17
APNIC Region origin ASes announcing only one prefix: 1114
APNIC Region transit ASes present in the Internet Routing Table: 626
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 519973440
Equivalent to 30 /8s, 254 /16s and 42 /24s
Percentage of available APNIC address space announced: 77.5
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: 133771
Total ARIN prefixes after maximum aggregation: 69121
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 106652
Unique aggregates announced from the ARIN address blocks: 41554
ARIN Region origin ASes present in the Internet Routing Table: 13700
ARIN Prefixes per ASN: 7.78
ARIN Region origin ASes announcing only one prefix: 5270
ARIN Region transit ASes present in the Internet Routing Table: 1347
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 731332640
Equivalent to 43 /8s, 151 /16s and 64 /24s
Percentage of available ARIN address space announced: 62.3
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: 74023
Total RIPE prefixes after maximum aggregation: 42980
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67003
Unique aggregates announced from the RIPE address blocks: 44083
RIPE Region origin ASes present in the Internet Routing Table: 14472
RIPE Prefixes per ASN: 4.63
RIPE Region origin ASes announcing only one prefix: 7459
RIPE Region transit ASes present in the Internet Routing Table: 2167
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 427219168
Equivalent to 25 /8s, 118 /16s and 216 /24s
Percentage of available RIPE address space announced: 74.9
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: 28354
Total LACNIC prefixes after maximum aggregation: 6842
LACNIC Deaggregation factor: 4.14
Prefixes being announced from the LACNIC address blocks: 26784
Unique aggregates announced from the LACNIC address blocks: 14046
LACNIC Region origin ASes present in the Internet Routing Table: 1292
LACNIC Prefixes per ASN: 20.73
LACNIC Region origin ASes announcing only one prefix: 404
LACNIC Region transit ASes present in the Internet Routing Table: 225
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 73201152
Equivalent to 4 /8s, 92 /16s and 246 /24s
Percentage of available LACNIC address space announced: 72.7
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 7239
Total AfriNIC prefixes after maximum aggregation: 1859
AfriNIC Deaggregation factor: 3.89
Prefixes being announced from the AfriNIC address blocks: 5538
Unique aggregates announced from the AfriNIC address blocks: 1687
AfriNIC Region origin ASes present in the Internet Routing Table: 364
AfriNIC Prefixes per ASN: 15.21
AfriNIC Region origin ASes announcing only one prefix: 108
AfriNIC Region transit ASes present in the Internet Routing Table: 82
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 17922304
Equivalent to 1 /8s, 17 /16s and 121 /24s
Percentage of available AfriNIC address space announced: 53.4
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 1847 8422 483 Korea Telecom (KIX)
17488 1316 140 123 Hathway IP Over Cable Interne
4755 1309 293 153 TATA Communications formerly
7545 1215 232 104 TPG Internet Pty Ltd
17974 1035 281 19 PT TELEKOMUNIKASI INDONESIA
9583 995 73 485 Sify Limited
24560 906 306 171 Bharti Airtel Ltd., Telemedia
4134 875 21259 406 CHINANET-BACKBONE
4808 845 1587 214 CNCGROUP IP network: China169
9829 789 680 39 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 3922 3733 287 bellsouth.net, inc.
4323 3363 1116 404 Time Warner Telecom
1785 1784 699 130 PaeTec Communications, Inc.
7018 1534 5738 974 AT&T WorldNet Services
20115 1524 1498 653 Charter Communications
2386 1283 568 913 AT&T Data Communications Serv
6478 1251 257 98 AT&T Worldnet Services
3356 1189 10885 406 Level 3 Communications, LLC
22773 1155 2604 64 Cox Communications, Inc.
11492 1148 210 285 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
35805 627 56 6 United Telecom of Georgia
3292 454 2027 393 TDC Tele Danmark
30890 442 116 207 Evolva Telecom
702 416 1869 330 UUNET - Commercial IP service
8551 402 355 38 Bezeq International
8866 396 117 18 Bulgarian Telecommunication C
3320 367 7072 318 Deutsche Telekom AG
3301 364 1413 320 TeliaNet Sweden
12479 337 576 5 Uni2 Autonomous System
3215 329 3218 101 France Telecom Transpac
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 1552 2965 245 UniNet S.A. de C.V.
10620 1042 234 152 TVCABLE BOGOTA
28573 874 722 77 NET Servicos de Comunicao S.A
7303 730 377 107 Telecom Argentina Stet-France
6503 583 173 209 AVANTEL, S.A.
22047 545 310 15 VTR PUNTO NET S.A.
7738 477 922 30 Telecomunicacoes da Bahia S.A
3816 472 203 75 Empresa Nacional de Telecomun
14117 455 30 13 Telefonica del Sur S.A.
11172 443 99 71 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 1166 445 10 TEDATA
24863 712 147 39 LINKdotNET AS number
36992 639 278 184 Etisalat MISR
3741 270 852 231 The Internet Solution
2018 214 230 111 Tertiary Education Network
33776 213 11 14 Starcomms Nigeria Limited
6713 176 167 12 Itissalat Al-MAGHRIB
24835 175 78 10 RAYA Telecom - Egypt
29571 172 19 9 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 3922 3733 287 bellsouth.net, inc.
4323 3363 1116 404 Time Warner Telecom
4766 1847 8422 483 Korea Telecom (KIX)
1785 1784 699 130 PaeTec Communications, Inc.
8151 1552 2965 245 UniNet S.A. de C.V.
7018 1534 5738 974 AT&T WorldNet Services
20115 1524 1498 653 Charter Communications
17488 1316 140 123 Hathway IP Over Cable Interne
4755 1309 293 153 TATA Communications formerly
2386 1283 568 913 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3363 2959 Time Warner Telecom
1785 1784 1654 PaeTec Communications, Inc.
4766 1847 1364 Korea Telecom (KIX)
8151 1552 1307 UniNet S.A. de C.V.
17488 1316 1193 Hathway IP Over Cable Interne
4755 1309 1156 TATA Communications formerly
8452 1166 1156 TEDATA
6478 1251 1153 AT&T Worldnet Services
7545 1215 1111 TPG Internet Pty Ltd
22773 1155 1091 Cox Communications, Inc.
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
31.0.0.0/8 237 Merit Network
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
41.223.196.0/24 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 /8:21 /9:10 /10:26 /11:67 /12:194
/13:401 /14:691 /15:1271 /16:11079 /17:5281 /18:8979
/19:18254 /20:22532 /21:22589 /22:29410 /23:29072 /24:168065
/25:952 /26:1218 /27:630 /28:143 /29:9 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2513 3922 bellsouth.net, inc.
4323 1848 3363 Time Warner Telecom
4766 1479 1847 Korea Telecom (KIX)
1785 1248 1784 PaeTec Communications, Inc.
11492 1064 1148 Cable One
17488 1063 1316 Hathway IP Over Cable Interne
8452 1047 1166 TEDATA
18566 1040 1059 Covad Communications
10620 958 1042 TVCABLE BOGOTA
7018 925 1534 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:13 8:262 12:2009 13:10 14:1
15:23 16:3 17:8 20:21 24:1432 27:99
31:1 32:47 33:12 38:674 40:98 41:2390
44:3 47:25 52:6 55:6 56:2 57:24
58:726 59:502 60:435 61:1077 62:1066 63:1978
64:3622 65:2354 66:4236 67:1829 68:1111 69:2851
70:713 71:243 72:1820 73:2 74:2084 75:252
76:308 77:866 78:628 79:416 80:1013 81:796
82:478 83:449 84:695 85:1057 86:462 87:701
88:328 89:1551 90:88 91:2765 92:501 93:1109
94:1425 95:592 96:280 97:314 98:566 99:28
108:32 109:486 110:348 111:510 112:261 113:281
114:403 115:579 116:1038 117:647 118:444 119:929
120:145 121:741 122:1429 123:898 124:1102 125:1290
128:209 129:210 130:194 131:560 132:246 133:17
134:193 135:45 136:229 137:171 138:256 139:103
140:482 141:136 142:353 143:383 144:476 145:52
146:428 147:165 148:608 149:286 150:152 151:169
152:261 153:167 154:2 155:324 156:156 157:323
158:107 159:375 160:313 161:185 162:258 163:177
164:409 165:346 166:477 167:396 168:782 169:161
170:708 171:52 172:2 173:750 174:645 175:94
176:1 178:112 180:478 182:63 183:216 184:45
186:390 187:346 188:1336 189:772 190:3675 192:5738
193:4692 194:3358 195:2760 196:1206 198:3567 199:3434
200:5372 201:1505 202:8015 203:8305 204:4063 205:2341
206:2525 207:3035 208:3883 209:3409 210:2504 211:1244
212:1732 213:1669 214:661 215:69 216:4668 217:1532
218:489 219:372 220:1124 221:399 222:316 223:1
End of report