Routing Table Report 04:00 +10GMT Mon 24 May, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 321227
Prefixes after maximum aggregation: 148414
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 157035
Total ASes present in the Internet Routing Table: 34048
Prefixes per ASN: 9.43
Origin-only ASes present in the Internet Routing Table: 29555
Origin ASes announcing only one prefix: 14368
Transit ASes present in the Internet Routing Table: 4493
Transit-only ASes present in the Internet Routing Table: 101
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (32374) 19
Prefixes from unregistered ASNs in the Routing Table: 326
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: 655
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 160
Number of addresses announced to Internet: 2221753920
Equivalent to 132 /8s, 109 /16s and 70 /24s
Percentage of available address space announced: 59.9
Percentage of allocated address space announced: 65.3
Percentage of available address space allocated: 91.9
Percentage of address space in use by end-sites: 82.9
Total number of prefixes smaller than registry allocations: 153877
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76527
Total APNIC prefixes after maximum aggregation: 26736
APNIC Deaggregation factor: 2.86
Prefixes being announced from the APNIC address blocks: 73528
Unique aggregates announced from the APNIC address blocks: 32421
APNIC Region origin ASes present in the Internet Routing Table: 4049
APNIC Prefixes per ASN: 18.16
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: 519906624
Equivalent to 30 /8s, 253 /16s and 37 /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: 134187
Total ARIN prefixes after maximum aggregation: 69094
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107090
Unique aggregates announced from the ARIN address blocks: 41526
ARIN Region origin ASes present in the Internet Routing Table: 13694
ARIN Prefixes per ASN: 7.82
ARIN Region origin ASes announcing only one prefix: 5272
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: 731215392
Equivalent to 43 /8s, 149 /16s and 118 /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: 74059
Total RIPE prefixes after maximum aggregation: 42980
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67005
Unique aggregates announced from the RIPE address blocks: 44033
RIPE Region origin ASes present in the Internet Routing Table: 14474
RIPE Prefixes per ASN: 4.63
RIPE Region origin ASes announcing only one prefix: 7472
RIPE Region transit ASes present in the Internet Routing Table: 2165
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 426697440
Equivalent to 25 /8s, 110 /16s and 226 /24s
Percentage of available RIPE address space announced: 74.8
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: 28365
Total LACNIC prefixes after maximum aggregation: 6822
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 26838
Unique aggregates announced from the LACNIC address blocks: 14028
LACNIC Region origin ASes present in the Internet Routing Table: 1292
LACNIC Prefixes per ASN: 20.77
LACNIC Region origin ASes announcing only one prefix: 402
LACNIC Region transit ASes present in the Internet Routing Table: 227
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 73215744
Equivalent to 4 /8s, 93 /16s and 47 /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: 7204
Total AfriNIC prefixes after maximum aggregation: 1866
AfriNIC Deaggregation factor: 3.86
Prefixes being announced from the AfriNIC address blocks: 5508
Unique aggregates announced from the AfriNIC address blocks: 1681
AfriNIC Region origin ASes present in the Internet Routing Table: 364
AfriNIC Prefixes per ASN: 15.13
AfriNIC Region origin ASes announcing only one prefix: 108
AfriNIC Region transit ASes present in the Internet Routing Table: 83
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 17860608
Equivalent to 1 /8s, 16 /16s and 136 /24s
Percentage of available AfriNIC address space announced: 53.2
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 1848 8422 483 Korea Telecom (KIX)
17488 1316 140 123 Hathway IP Over Cable Interne
4755 1306 293 152 TATA Communications formerly
7545 1212 232 105 TPG Internet Pty Ltd
17974 1055 281 18 PT TELEKOMUNIKASI INDONESIA
9583 995 73 485 Sify Limited
24560 901 305 169 Bharti Airtel Ltd., Telemedia
4134 872 21191 403 CHINANET-BACKBONE
4808 845 1587 214 CNCGROUP IP network: China169
9829 781 673 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 3932 3733 288 bellsouth.net, inc.
4323 3843 1116 404 Time Warner Telecom
1785 1784 699 130 PaeTec Communications, Inc.
20115 1538 1506 654 Charter Communications
7018 1533 5738 973 AT&T WorldNet Services
2386 1281 568 911 AT&T Data Communications Serv
6478 1248 257 99 AT&T Worldnet Services
3356 1189 10885 406 Level 3 Communications, LLC
22773 1154 2604 64 Cox Communications, Inc.
11492 1146 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
702 414 1869 328 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 365 1413 321 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 1547 2965 245 UniNet S.A. de C.V.
10620 1042 234 152 TVCABLE BOGOTA
28573 875 720 76 NET Servicos de Comunicao S.A
7303 730 377 107 Telecom Argentina Stet-France
6503 581 173 209 AVANTEL, S.A.
22047 545 310 15 VTR PUNTO NET S.A.
7738 477 922 30 Telecomunicacoes da Bahia S.A
3816 470 202 73 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 1160 445 10 TEDATA
24863 712 147 39 LINKdotNET AS number
36992 639 278 184 Etisalat MISR
3741 270 852 231 The Internet Solution
2018 216 231 112 Tertiary Education Network
33776 189 11 21 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 132 490 17 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 3932 3733 288 bellsouth.net, inc.
4323 3843 1116 404 Time Warner Telecom
4766 1848 8422 483 Korea Telecom (KIX)
1785 1784 699 130 PaeTec Communications, Inc.
8151 1547 2965 245 UniNet S.A. de C.V.
20115 1538 1506 654 Charter Communications
7018 1533 5738 973 AT&T WorldNet Services
17488 1316 140 123 Hathway IP Over Cable Interne
4755 1306 293 152 TATA Communications formerly
2386 1281 568 911 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 3843 3439 Time Warner Telecom
1785 1784 1654 PaeTec Communications, Inc.
4766 1848 1365 Korea Telecom (KIX)
8151 1547 1302 UniNet S.A. de C.V.
17488 1316 1193 Hathway IP Over Cable Interne
4755 1306 1154 TATA Communications formerly
8452 1160 1150 TEDATA
6478 1248 1149 AT&T Worldnet Services
7545 1212 1107 TPG Internet Pty Ltd
22773 1154 1090 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
31.1.0.0/21 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
41.223.199.0/24 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 /8:19 /9:10 /10:26 /11:67 /12:194
/13:401 /14:690 /15:1271 /16:11072 /17:5272 /18:8971
/19:18274 /20:22538 /21:22574 /22:29432 /23:29101 /24:168373
/25:952 /26:1208 /27:618 /28:140 /29:9 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2516 3932 bellsouth.net, inc.
4323 2329 3843 Time Warner Telecom
4766 1480 1848 Korea Telecom (KIX)
1785 1248 1784 PaeTec Communications, Inc.
17488 1063 1316 Hathway IP Over Cable Interne
11492 1062 1146 Cable One
8452 1040 1160 TEDATA
18566 1040 1059 Covad Communications
10620 958 1042 TVCABLE BOGOTA
7018 925 1533 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 8:263 12:2006 13:10 14:1
15:23 16:3 17:8 20:21 24:1431 27:99
31:1 32:47 33:12 38:672 40:98 41:2360
44:3 47:26 52:6 55:7 56:2 57:24
58:726 59:497 60:434 61:1070 62:1063 63:1978
64:3854 65:2358 66:4224 67:1830 68:1112 69:2848
70:711 71:243 72:1820 73:2 74:2300 75:252
76:308 77:864 78:630 79:414 80:1006 81:792
82:482 83:453 84:697 85:1060 86:465 87:704
88:330 89:1553 90:88 91:2757 92:504 93:1100
94:1429 95:598 96:280 97:314 98:564 99:28
108:32 109:481 110:354 111:507 112:262 113:288
114:401 115:557 116:1040 117:641 118:442 119:931
120:145 121:726 122:1434 123:897 124:1096 125:1297
128:210 129:210 130:194 131:558 132:242 133:17
134:193 135:44 136:228 137:171 138:255 139:103
140:480 141:136 142:353 143:386 144:474 145:51
146:391 147:165 148:612 149:288 150:153 151:169
152:260 153:167 154:2 155:325 156:156 157:324
158:107 159:375 160:313 161:185 162:262 163:177
164:406 165:346 166:480 167:396 168:783 169:161
170:707 171:52 172:2 173:740 174:644 175:92
176:1 178:101 180:475 182:57 183:255 184:45
186:389 187:351 188:1340 189:783 190:3676 192:5739
193:4689 194:3353 195:2768 196:1207 198:3565 199:3428
200:5378 201:1508 202:8009 203:8287 204:4062 205:2340
206:2532 207:3034 208:3878 209:3408 210:2504 211:1245
212:1741 213:1676 214:656 215:70 216:4657 217:1531
218:488 219:371 220:1105 221:399 222:316 223:1
End of report