Routing Table Report 04:00 +10GMT Tue 25 May, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 321309
Prefixes after maximum aggregation: 148533
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 157092
Total ASes present in the Internet Routing Table: 34058
Prefixes per ASN: 9.43
Origin-only ASes present in the Internet Routing Table: 29569
Origin ASes announcing only one prefix: 14364
Transit ASes present in the Internet Routing Table: 4489
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: 319
Unregistered ASNs in the Routing Table: 119
Number of 32-bit ASNs allocated by the RIRs: 590
Prefixes from 32-bit ASNs in the Routing Table: 659
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2255360832
Equivalent to 134 /8s, 110 /16s and 19 /24s
Percentage of available address space announced: 60.8
Percentage of allocated address space announced: 66.2
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: 153840
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76697
Total APNIC prefixes after maximum aggregation: 26766
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 73697
Unique aggregates announced from the APNIC address blocks: 32425
APNIC Region origin ASes present in the Internet Routing Table: 4049
APNIC Prefixes per ASN: 18.20
APNIC Region origin ASes announcing only one prefix: 1111
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: 519913280
Equivalent to 30 /8s, 253 /16s and 63 /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: 134002
Total ARIN prefixes after maximum aggregation: 69181
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 106871
Unique aggregates announced from the ARIN address blocks: 41516
ARIN Region origin ASes present in the Internet Routing Table: 13699
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5272
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: 731213856
Equivalent to 43 /8s, 149 /16s and 112 /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: 74078
Total RIPE prefixes after maximum aggregation: 42975
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67036
Unique aggregates announced from the RIPE address blocks: 44072
RIPE Region origin ASes present in the Internet Routing Table: 14478
RIPE Prefixes per ASN: 4.63
RIPE Region origin ASes announcing only one prefix: 7469
RIPE Region transit ASes present in the Internet Routing Table: 2159
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 426777312
Equivalent to 25 /8s, 112 /16s and 26 /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: 28413
Total LACNIC prefixes after maximum aggregation: 6840
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 26840
Unique aggregates announced from the LACNIC address blocks: 14033
LACNIC Region origin ASes present in the Internet Routing Table: 1293
LACNIC Prefixes per ASN: 20.76
LACNIC Region origin ASes announcing only one prefix: 402
LACNIC Region transit ASes present in the Internet Routing Table: 226
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 73205504
Equivalent to 4 /8s, 93 /16s and 7 /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: 7231
Total AfriNIC prefixes after maximum aggregation: 1857
AfriNIC Deaggregation factor: 3.89
Prefixes being announced from the AfriNIC address blocks: 5537
Unique aggregates announced from the AfriNIC address blocks: 1663
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: 110
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: 17864960
Equivalent to 1 /8s, 16 /16s and 153 /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 1844 8422 483 Korea Telecom (KIX)
17488 1314 140 122 Hathway IP Over Cable Interne
4755 1309 293 153 TATA Communications formerly
7545 1215 232 104 TPG Internet Pty Ltd
17974 1065 281 18 PT TELEKOMUNIKASI INDONESIA
9583 995 73 485 Sify Limited
24560 905 306 171 Bharti Airtel Ltd., Telemedia
4134 866 21191 404 CHINANET-BACKBONE
4808 844 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 3931 3733 290 bellsouth.net, inc.
4323 3590 1116 404 Time Warner Telecom
1785 1784 699 130 PaeTec Communications, Inc.
20115 1538 1506 654 Charter Communications
7018 1530 5737 970 AT&T WorldNet Services
2386 1282 568 912 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 1135 209 311 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
702 415 1869 329 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 1551 2965 246 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 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 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 1164 445 10 TEDATA
24863 712 147 39 LINKdotNET AS number
36992 640 278 184 Etisalat MISR
3741 270 852 231 The Internet Solution
2018 216 231 112 Tertiary Education Network
33776 211 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 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 3931 3733 290 bellsouth.net, inc.
4323 3590 1116 404 Time Warner Telecom
4766 1844 8422 483 Korea Telecom (KIX)
1785 1784 699 130 PaeTec Communications, Inc.
8151 1551 2965 246 UniNet S.A. de C.V.
20115 1538 1506 654 Charter Communications
7018 1530 5737 970 AT&T WorldNet Services
17488 1314 140 122 Hathway IP Over Cable Interne
4755 1309 293 153 TATA Communications formerly
2386 1282 568 912 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 3590 3186 Time Warner Telecom
1785 1784 1654 PaeTec Communications, Inc.
4766 1844 1361 Korea Telecom (KIX)
8151 1551 1305 UniNet S.A. de C.V.
17488 1314 1192 Hathway IP Over Cable Interne
4755 1309 1156 TATA Communications formerly
8452 1164 1154 TEDATA
6478 1248 1149 AT&T Worldnet Services
7545 1215 1111 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
31.0.0.0/8 237 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 /14:690 /15:1271 /16:11076 /17:5272 /18:8978
/19:18283 /20:22552 /21:22601 /22:29465 /23:29159 /24:168304
/25:947 /26:1205 /27:619 /28:144 /29:9 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2515 3931 bellsouth.net, inc.
4323 2078 3590 Time Warner Telecom
4766 1476 1844 Korea Telecom (KIX)
1785 1248 1784 PaeTec Communications, Inc.
17488 1061 1314 Hathway IP Over Cable Interne
11492 1051 1135 Cable One
8452 1044 1164 TEDATA
18566 1040 1059 Covad Communications
10620 958 1042 TVCABLE BOGOTA
7018 923 1530 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 12:2007 13:10 14:1
15:23 16:3 17:8 20:21 24:1425 27:99
31:1 32:47 33:12 38:673 40:98 41:2382
44:3 47:25 52:6 55:7 56:2 57:24
58:738 59:497 60:435 61:1075 62:1066 63:1978
64:3621 65:2357 66:4223 67:1826 68:1112 69:2846
70:711 71:243 72:1820 73:2 74:2299 75:252
76:308 77:866 78:633 79:414 80:1015 81:793
82:477 83:453 84:696 85:1060 86:465 87:701
88:332 89:1552 90:88 91:2760 92:504 93:1117
94:1428 95:594 96:280 97:314 98:564 99:28
108:32 109:484 110:358 111:504 112:262 113:293
114:402 115:558 116:1037 117:646 118:446 119:930
120:145 121:726 122:1434 123:889 124:1101 125:1296
128:210 129:210 130:194 131:560 132:246 133:17
134:193 135:44 136:229 137:171 138:256 139:103
140:480 141:136 142:353 143:383 144:477 145:52
146:428 147:165 148:613 149:286 150:153 151:169
152:261 153:167 154:2 155:325 156:156 157:324
158:107 159:375 160:314 161:185 162:262 163:177
164:407 165:346 166:480 167:396 168:782 169:161
170:708 171:52 172:2 173:742 174:644 175:94
176:1 178:103 180:477 182:60 183:250 184:45
186:390 187:351 188:1340 189:785 190:3669 192:5741
193:4689 194:3357 195:2765 196:1201 198:3567 199:3433
200:5383 201:1505 202:8002 203:8298 204:4063 205:2356
206:2531 207:3033 208:3881 209:3408 210:2502 211:1245
212:1741 213:1677 214:657 215:69 216:4657 217:1532
218:488 219:372 220:1124 221:399 222:319 223:1
End of report