Routing Table Report 04:00 +10GMT Tue 12 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 413168
Prefixes after maximum aggregation: 175029
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 201791
Total ASes present in the Internet Routing Table: 41273
Prefixes per ASN: 10.01
Origin-only ASes present in the Internet Routing Table: 33287
Origin ASes announcing only one prefix: 15671
Transit ASes present in the Internet Routing Table: 5520
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 407
Unregistered ASNs in the Routing Table: 136
Number of 32-bit ASNs allocated by the RIRs: 2823
Number of 32-bit ASNs visible in the Routing Table: 2466
Prefixes from 32-bit ASNs in the Routing Table: 6274
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 154
Number of addresses announced to Internet: 2561724972
Equivalent to 152 /8s, 176 /16s and 210 /24s
Percentage of available address space announced: 69.1
Percentage of allocated address space announced: 69.2
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 92.8
Total number of prefixes smaller than registry allocations: 171511
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100636
Total APNIC prefixes after maximum aggregation: 32571
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 97103
Unique aggregates announced from the APNIC address blocks: 40230
APNIC Region origin ASes present in the Internet Routing Table: 4710
APNIC Prefixes per ASN: 20.62
APNIC Region origin ASes announcing only one prefix: 1251
APNIC Region transit ASes present in the Internet Routing Table: 741
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 227
Number of APNIC addresses announced to Internet: 648439360
Equivalent to 38 /8s, 166 /16s and 102 /24s
Percentage of available APNIC address space announced: 82.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 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: 151691
Total ARIN prefixes after maximum aggregation: 77145
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 122027
Unique aggregates announced from the ARIN address blocks: 51364
ARIN Region origin ASes present in the Internet Routing Table: 15155
ARIN Prefixes per ASN: 8.05
ARIN Region origin ASes announcing only one prefix: 5756
ARIN Region transit ASes present in the Internet Routing Table: 1597
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 816425664
Equivalent to 48 /8s, 169 /16s and 170 /24s
Percentage of available ARIN address space announced: 65.1
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, 23/8, 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,
53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 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: 103044
Total RIPE prefixes after maximum aggregation: 54780
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 94999
Unique aggregates announced from the RIPE address blocks: 59929
RIPE Region origin ASes present in the Internet Routing Table: 16622
RIPE Prefixes per ASN: 5.72
RIPE Region origin ASes announcing only one prefix: 8067
RIPE Region transit ASes present in the Internet Routing Table: 2664
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1629
Number of RIPE addresses announced to Internet: 515541764
Equivalent to 30 /8s, 186 /16s and 139 /24s
Percentage of available RIPE address space announced: 83.1
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, 56320-58367
59392-61439, 196608-199679
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 42011
Total LACNIC prefixes after maximum aggregation: 8307
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 42204
Unique aggregates announced from the LACNIC address blocks: 20634
LACNIC Region origin ASes present in the Internet Routing Table: 1600
LACNIC Prefixes per ASN: 26.38
LACNIC Region origin ASes announcing only one prefix: 432
LACNIC Region transit ASes present in the Internet Routing Table: 305
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 588
Number of LACNIC addresses announced to Internet: 102238344
Equivalent to 6 /8s, 24 /16s and 8 /24s
Percentage of available LACNIC address space announced: 67.7
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 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: 9327
Total AfriNIC prefixes after maximum aggregation: 2162
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 7363
Unique aggregates announced from the AfriNIC address blocks: 2208
AfriNIC Region origin ASes present in the Internet Routing Table: 543
AfriNIC Prefixes per ASN: 13.56
AfriNIC Region origin ASes announcing only one prefix: 165
AfriNIC Region transit ASes present in the Internet Routing Table: 120
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 31834880
Equivalent to 1 /8s, 229 /16s and 195 /24s
Percentage of available AfriNIC address space announced: 47.4
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2632 11113 1121 Korea Telecom (KIX)
17974 1928 530 81 PT TELEKOMUNIKASI INDONESIA
7545 1683 301 87 TPG Internet Pty Ltd
4755 1592 385 155 TATA Communications formerly
9829 1300 1085 28 BSNL National Internet Backbo
9583 1175 87 502 Sify Limited
7552 1158 1062 11 Vietel Corporation
4808 1103 2049 314 CNCGROUP IP network: China169
24560 1029 385 163 Bharti Airtel Ltd., Telemedia
9498 966 291 64 BHARTI Airtel Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3409 3791 192 bellsouth.net, inc.
7029 3248 986 159 Windstream Communications Inc
18566 2091 382 181 Covad Communications
1785 1919 681 131 PaeTec Communications, Inc.
20115 1645 1570 616 Charter Communications
22773 1644 2911 121 Cox Communications, Inc.
4323 1574 1043 385 Time Warner Telecom
30036 1426 265 754 Mediacom Communications Corp
7018 1220 10013 819 AT&T WorldNet Services
11492 1189 216 356 Cable One
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1671 544 16 Corbina telecom
2118 1226 97 14 EUnet/RELCOM Autonomous Syste
12479 718 700 83 Uni2 Autonomous System
34984 706 188 171 BILISIM TELEKOM
31148 684 37 9 FreeNet ISP
6830 658 2217 427 UPC Distribution Services
20940 657 216 511 Akamai Technologies European
8551 578 364 61 Bezeq International
3320 489 8442 402 Deutsche Telekom AG
3292 474 2108 408 TDC Tele Danmark
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 1932 342 205 TVCABLE BOGOTA
28573 1924 1184 48 NET Servicos de Comunicao S.A
6503 1527 418 65 AVANTEL, S.A.
8151 1488 3067 336 UniNet S.A. de C.V.
7303 1437 901 193 Telecom Argentina Stet-France
26615 902 760 31 Tim Brasil S.A.
27947 703 73 93 Telconet S.A
11172 644 91 73 Servicios Alestra S.A de C.V
3816 584 247 89 Empresa Nacional de Telecomun
22047 583 326 15 VTR PUNTO NET S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1328 958 13 TEDATA
24863 855 274 35 LINKdotNET AS number
6713 496 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
33776 210 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
16637 170 664 87 MTN Network Solutions
29571 157 15 16 Ci Telecom Autonomous system
36923 157 20 4 Swift Networks Limited
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3409 3791 192 bellsouth.net, inc.
7029 3248 986 159 Windstream Communications Inc
4766 2632 11113 1121 Korea Telecom (KIX)
18566 2091 382 181 Covad Communications
10620 1932 342 205 TVCABLE BOGOTA
17974 1928 530 81 PT TELEKOMUNIKASI INDONESIA
28573 1924 1184 48 NET Servicos de Comunicao S.A
1785 1919 681 131 PaeTec Communications, Inc.
7545 1683 301 87 TPG Internet Pty Ltd
8402 1671 544 16 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3248 3089 Windstream Communications Inc
18566 2091 1910 Covad Communications
28573 1924 1876 NET Servicos de Comunicao S.A
17974 1928 1847 PT TELEKOMUNIKASI INDONESIA
1785 1919 1788 PaeTec Communications, Inc.
10620 1932 1727 TVCABLE BOGOTA
8402 1671 1655 Corbina telecom
7545 1683 1596 TPG Internet Pty Ltd
22773 1644 1523 Cox Communications, Inc.
4766 2632 1511 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser
32873 UNALLOCATED 12.46.102.0/24 10912 InterNAP Network Ser
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.188.64.0/18 29544 Mauritanian Telecommunication
Complete listing at http://thyme.rand.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 /9:13 /10:28 /11:82 /12:236
/13:461 /14:829 /15:1503 /16:12303 /17:6306 /18:10642
/19:20784 /20:29544 /21:31121 /22:40785 /23:38495 /24:216225
/25:1236 /26:1451 /27:827 /28:172 /29:67 /30:17
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2908 3248 Windstream Communications Inc
6389 2129 3409 bellsouth.net, inc.
18566 2040 2091 Covad Communications
8402 1650 1671 Corbina telecom
30036 1366 1426 Mediacom Communications Corp
6503 1217 1527 AVANTEL, S.A.
11492 1152 1189 Cable One
8452 1123 1328 TEDATA
22773 1089 1644 Cox Communications, Inc.
7011 1073 1188 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:556 2:693 3:1 4:13 5:50 6:3
8:426 12:2014 13:1 14:616 15:12 16:3
17:5 20:23 23:178 24:1778 27:1307 31:978
32:56 33:2 34:2 36:9 37:691 38:812
40:127 41:3180 42:135 44:3 46:1423 47:2
49:398 50:560 52:13 54:12 55:9 56:1
57:32 58:959 59:497 60:259 61:1210 62:1006
63:2006 64:4236 65:2252 66:4451 67:2009 68:1159
69:3175 70:950 71:507 72:1824 74:2593 75:472
76:328 77:954 78:979 79:488 80:1220 81:939
82:664 83:543 84:508 85:1189 86:434 87:921
88:336 89:1724 90:293 91:4926 92:557 93:1353
94:1567 95:1223 96:367 97:315 98:900 99:38
100:8 101:261 103:1138 106:95 107:186 108:330
109:1370 110:775 111:923 112:418 113:616 114:632
115:849 116:957 117:724 118:921 119:1228 120:358
121:695 122:1668 123:1103 124:1389 125:1261 128:565
129:197 130:249 131:633 132:289 133:22 134:244
135:61 136:215 137:240 138:358 139:187 140:494
141:251 142:415 143:372 144:531 145:72 146:511
147:301 148:775 149:312 150:171 151:179 152:469
153:174 154:14 155:448 156:222 157:381 158:188
159:574 160:350 161:267 162:347 163:190 164:637
165:405 166:590 167:472 168:864 169:127 170:881
171:138 172:4 173:1764 174:605 175:431 176:541
177:813 178:1392 180:1240 181:91 182:1050 183:228
184:530 185:1 186:2327 187:1124 188:1347 189:1839
190:5605 192:6001 193:5518 194:4535 195:3396 196:1226
197:148 198:3664 199:4760 200:5898 201:1949 202:8631
203:8529 204:4344 205:2528 206:2771 207:2801 208:4010
209:3613 210:2768 211:1548 212:2036 213:1935 214:874
215:91 216:5104 217:1569 218:552 219:312 220:1236
221:570 222:317 223:317
End of report