Routing Table Report 04:00 +10GMT Sun 30 May, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 321671
Prefixes after maximum aggregation: 148397
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 156664
Total ASes present in the Internet Routing Table: 34073
Prefixes per ASN: 9.44
Origin-only ASes present in the Internet Routing Table: 29570
Origin ASes announcing only one prefix: 14348
Transit ASes present in the Internet Routing Table: 4503
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 (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 328
Unregistered ASNs in the Routing Table: 119
Number of 32-bit ASNs allocated by the RIRs: 591
Prefixes from 32-bit ASNs in the Routing Table: 677
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2258434880
Equivalent to 134 /8s, 156 /16s and 251 /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: 153993
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76946
Total APNIC prefixes after maximum aggregation: 26776
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 73940
Unique aggregates announced from the APNIC address blocks: 32455
APNIC Region origin ASes present in the Internet Routing Table: 4061
APNIC Prefixes per ASN: 18.21
APNIC Region origin ASes announcing only one prefix: 1117
APNIC Region transit ASes present in the Internet Routing Table: 632
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 520602944
Equivalent to 31 /8s, 7 /16s and 197 /24s
Percentage of available APNIC address space announced: 77.6
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: 133822
Total ARIN prefixes after maximum aggregation: 68964
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 106728
Unique aggregates announced from the ARIN address blocks: 40967
ARIN Region origin ASes present in the Internet Routing Table: 13696
ARIN Prefixes per ASN: 7.79
ARIN Region origin ASes announcing only one prefix: 5264
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: 731569696
Equivalent to 43 /8s, 154 /16s and 222 /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: 74178
Total RIPE prefixes after maximum aggregation: 43025
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67169
Unique aggregates announced from the RIPE address blocks: 44121
RIPE Region origin ASes present in the Internet Routing Table: 14483
RIPE Prefixes per ASN: 4.64
RIPE Region origin ASes announcing only one prefix: 7461
RIPE Region transit ASes present in the Internet Routing Table: 2171
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 428039136
Equivalent to 25 /8s, 131 /16s and 91 /24s
Percentage of available RIPE address space announced: 75.0
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: 28428
Total LACNIC prefixes after maximum aggregation: 6832
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 26845
Unique aggregates announced from the LACNIC address blocks: 14056
LACNIC Region origin ASes present in the Internet Routing Table: 1294
LACNIC Prefixes per ASN: 20.75
LACNIC Region origin ASes announcing only one prefix: 398
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: 24
Number of LACNIC addresses announced to Internet: 73284608
Equivalent to 4 /8s, 94 /16s and 60 /24s
Percentage of available LACNIC address space announced: 72.8
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: 7388
Total AfriNIC prefixes after maximum aggregation: 1854
AfriNIC Deaggregation factor: 3.98
Prefixes being announced from the AfriNIC address blocks: 5670
Unique aggregates announced from the AfriNIC address blocks: 1670
AfriNIC Region origin ASes present in the Internet Routing Table: 365
AfriNIC Prefixes per ASN: 15.53
AfriNIC Region origin ASes announcing only one prefix: 108
AfriNIC Region transit ASes present in the Internet Routing Table: 84
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 18717952
Equivalent to 1 /8s, 29 /16s and 157 /24s
Percentage of available AfriNIC address space announced: 55.8
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)
4755 1386 293 154 TATA Communications formerly
17488 1315 140 123 Hathway IP Over Cable Interne
7545 1279 232 104 TPG Internet Pty Ltd
17974 1069 281 19 PT TELEKOMUNIKASI INDONESIA
9583 1002 74 491 Sify Limited
24560 907 306 171 Bharti Airtel Ltd., Telemedia
4134 875 21259 406 CHINANET-BACKBONE
4808 843 1571 213 CNCGROUP IP network: China169
9829 797 681 34 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 3367 1116 405 Time Warner Telecom
1785 1787 699 130 PaeTec Communications, Inc.
20115 1528 1498 656 Charter Communications
7018 1519 5735 970 AT&T WorldNet Services
2386 1283 568 912 AT&T Data Communications Serv
6478 1254 258 94 AT&T Worldnet Services
3356 1187 10883 405 Level 3 Communications, LLC
22773 1155 2604 64 Cox Communications, Inc.
11492 1149 207 70 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 628 56 6 United Telecom of Georgia
3292 454 2028 395 TDC Tele Danmark
30890 444 116 208 Evolva Telecom
702 415 1869 330 UUNET - Commercial IP service
8551 402 355 38 Bezeq International
8866 399 117 18 Bulgarian Telecommunication C
3301 368 1414 323 TeliaNet Sweden
3320 365 7072 318 Deutsche Telekom AG
34984 358 88 183 BILISIM TELEKOM
12479 336 576 5 Uni2 Autonomous System
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 1521 2965 244 UniNet S.A. de C.V.
10620 1050 236 151 TVCABLE BOGOTA
28573 893 724 77 NET Servicos de Comunicao S.A
7303 730 377 107 Telecom Argentina Stet-France
6503 588 174 209 AVANTEL, S.A.
22047 545 310 15 VTR PUNTO NET S.A.
7738 477 922 30 Telecomunicacoes da Bahia S.A
3816 473 204 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 1298 445 10 TEDATA
24863 713 147 39 LINKdotNET AS number
36992 638 278 185 Etisalat MISR
3741 270 852 231 The Internet Solution
2018 216 230 111 Tertiary Education Network
33776 214 11 14 Starcomms Nigeria Limited
6713 176 167 12 Itissalat Al-MAGHRIB
24835 176 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 3367 1116 405 Time Warner Telecom
4766 1847 8422 483 Korea Telecom (KIX)
1785 1787 699 130 PaeTec Communications, Inc.
20115 1528 1498 656 Charter Communications
8151 1521 2965 244 UniNet S.A. de C.V.
7018 1519 5735 970 AT&T WorldNet Services
4755 1386 293 154 TATA Communications formerly
17488 1315 140 123 Hathway IP Over Cable Interne
8452 1298 445 10 TEDATA
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3367 2962 Time Warner Telecom
1785 1787 1657 PaeTec Communications, Inc.
4766 1847 1364 Korea Telecom (KIX)
8452 1298 1288 TEDATA
8151 1521 1277 UniNet S.A. de C.V.
4755 1386 1232 TATA Communications formerly
17488 1315 1192 Hathway IP Over Cable Interne
7545 1279 1175 TPG Internet Pty Ltd
6478 1254 1160 AT&T Worldnet Services
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
/13:403 /14:693 /15:1274 /16:11081 /17:5283 /18:9000
/19:18278 /20:22585 /21:22619 /22:29505 /23:29209 /24:168361
/25:971 /26:1282 /27:676 /28:108 /29:10 /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 1850 3367 Time Warner Telecom
4766 1479 1847 Korea Telecom (KIX)
1785 1251 1787 PaeTec Communications, Inc.
8452 1185 1298 TEDATA
11492 1063 1149 Cable One
17488 1062 1315 Hathway IP Over Cable Interne
18566 1040 1059 Covad Communications
10620 966 1050 TVCABLE BOGOTA
7018 914 1519 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 12:2009 13:10 14:1
15:23 16:3 17:8 20:21 24:1428 27:109
31:1 32:47 33:12 38:671 40:98 41:2536
44:3 47:26 52:8 55:6 56:2 57:24
58:735 59:503 60:456 61:1078 62:1063 63:1971
64:3611 65:2344 66:4249 67:1832 68:1098 69:2856
70:714 71:243 72:1825 73:2 74:2097 75:253
76:309 77:863 78:624 79:427 80:1011 81:801
82:481 83:448 84:698 85:1059 86:464 87:692
88:333 89:1550 90:90 91:2776 92:505 93:1112
94:1423 95:594 96:280 97:315 98:565 99:28
108:32 109:497 110:359 111:502 112:263 113:297
114:412 115:577 116:1034 117:645 118:442 119:935
120:142 121:741 122:1435 123:911 124:1104 125:1315
128:210 129:210 130:193 131:541 132:247 133:17
134:196 135:45 136:229 137:172 138:256 139:103
140:483 141:136 142:353 143:385 144:477 145:52
146:424 147:164 148:611 149:291 150:153 151:169
152:260 153:168 154:2 155:326 156:156 157:325
158:107 159:374 160:312 161:179 162:262 163:180
164:407 165:347 166:474 167:396 168:781 169:165
170:710 171:53 172:2 173:768 174:659 175:92
176:1 178:144 180:477 182:80 183:128 184:45
186:392 187:341 188:1338 189:795 190:3659 192:5741
193:4675 194:3357 195:2784 196:1206 198:3564 199:3420
200:5356 201:1514 202:8009 203:8303 204:4062 205:2332
206:2523 207:3042 208:3888 209:3412 210:2508 211:1246
212:1747 213:1685 214:653 215:69 216:4656 217:1537
218:488 219:378 220:1124 221:399 222:316 223:1
End of report
