Routing Table Report 04:00 +10GMT Wed 24 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 451305
Prefixes after maximum aggregation: 184548
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 222266
Total ASes present in the Internet Routing Table: 43922
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 34528
Origin ASes announcing only one prefix: 16091
Transit ASes present in the Internet Routing Table: 5799
Transit-only ASes present in the Internet Routing Table: 147
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 363
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 4733
Number of 32-bit ASNs visible in the Routing Table: 3595
Prefixes from 32-bit ASNs in the Routing Table: 10180
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 284
Number of addresses announced to Internet: 2614363212
Equivalent to 155 /8s, 212 /16s and 4 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 158927
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108571
Total APNIC prefixes after maximum aggregation: 33420
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109812
Unique aggregates announced from the APNIC address blocks: 44493
APNIC Region origin ASes present in the Internet Routing Table: 4832
APNIC Prefixes per ASN: 22.73
APNIC Region origin ASes announcing only one prefix: 1227
APNIC Region transit ASes present in the Internet Routing Table: 815
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 22
Number of APNIC region 32-bit ASNs visible in the Routing Table: 507
Number of APNIC addresses announced to Internet: 720840128
Equivalent to 42 /8s, 247 /16s and 37 /24s
Percentage of available APNIC address space announced: 84.2
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, 150/8, 153/8,
163/8, 171/8, 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: 158468
Total ARIN prefixes after maximum aggregation: 79814
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 159049
Unique aggregates announced from the ARIN address blocks: 72353
ARIN Region origin ASes present in the Internet Routing Table: 15662
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5967
ARIN Region transit ASes present in the Internet Routing Table: 1623
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1062925696
Equivalent to 63 /8s, 90 /16s and 245 /24s
Percentage of available ARIN address space announced: 56.2
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, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 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: 116697
Total RIPE prefixes after maximum aggregation: 59427
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120263
Unique aggregates announced from the RIPE address blocks: 76945
RIPE Region origin ASes present in the Internet Routing Table: 17131
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8144
RIPE Region transit ASes present in the Internet Routing Table: 2790
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2307
Number of RIPE addresses announced to Internet: 656561636
Equivalent to 39 /8s, 34 /16s and 85 /24s
Percentage of available RIPE address space announced: 95.4
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,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 47138
Total LACNIC prefixes after maximum aggregation: 9325
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 51193
Unique aggregates announced from the LACNIC address blocks: 24340
LACNIC Region origin ASes present in the Internet Routing Table: 1908
LACNIC Prefixes per ASN: 26.83
LACNIC Region origin ASes announcing only one prefix: 566
LACNIC Region transit ASes present in the Internet Routing Table: 349
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 757
Number of LACNIC addresses announced to Internet: 127270696
Equivalent to 7 /8s, 149 /16s and 255 /24s
Percentage of available LACNIC address space announced: 75.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 10118
Total AfriNIC prefixes after maximum aggregation: 2511
AfriNIC Deaggregation factor: 4.03
Prefixes being announced from the AfriNIC address blocks: 10704
Unique aggregates announced from the AfriNIC address blocks: 3866
AfriNIC Region origin ASes present in the Internet Routing Table: 617
AfriNIC Prefixes per ASN: 17.35
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 133
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46251264
Equivalent to 2 /8s, 193 /16s and 189 /24s
Percentage of available AfriNIC address space announced: 45.9
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2952 11557 922 Korea Telecom (KIX)
17974 2515 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1889 320 109 TPG Internet Pty Ltd
4755 1735 392 198 TATA Communications formerly
9829 1510 1205 40 BSNL National Internet Backbo
9583 1285 98 538 Sify Limited
7552 1171 1065 12 Vietel Corporation
4808 1111 2109 325 CNCGROUP IP network: China169
9498 1081 310 73 BHARTI Airtel Ltd.
24560 1071 385 164 Bharti Airtel Ltd., Telemedia
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 3036 3694 86 bellsouth.net, inc.
7029 2174 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1979 677 123 PaeTec Communications, Inc.
22773 1976 2929 125 Cox Communications, Inc.
20115 1668 1610 613 Charter Communications
4323 1609 1139 398 Time Warner Telecom
30036 1345 297 658 Mediacom Communications Corp
7018 1316 10805 852 AT&T WorldNet Services
11492 1239 228 330 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 1895 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1149 235 206 BILISIM TELEKOM
13188 845 99 33 Educational Network
12479 844 786 66 Uni2 Autonomous System
20940 822 286 654 Akamai Technologies European
31148 793 41 22 FreeNet ISP
6830 778 2377 449 UPC Distribution Services
8551 762 370 43 Bezeq International
58113 666 74 386 LIR DATACENTER TELECOM SRL
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
28573 2657 1464 101 NET Servicos de Comunicao S.A
10620 2374 411 217 TVCABLE BOGOTA
7303 1677 1153 212 Telecom Argentina Stet-France
8151 1232 2690 392 UniNet S.A. de C.V.
6503 1065 435 68 AVANTEL, S.A.
18881 859 717 19 Global Village Telecom
27947 809 88 96 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 701 307 87 Empresa Nacional de Telecomun
7738 650 1306 35 Telecomunicacoes da Bahia 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
36998 1137 80 4 MOBITEL
24863 685 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 375 956 9 TEDATA
24835 274 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 187 697 91 MTN Network Solutions
33776 182 12 19 Starcomms Nigeria 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 3036 3694 86 bellsouth.net, inc.
4766 2952 11557 922 Korea Telecom (KIX)
28573 2657 1464 101 NET Servicos de Comunicao S.A
17974 2515 839 90 PT TELEKOMUNIKASI INDONESIA
10620 2374 411 217 TVCABLE BOGOTA
7029 2174 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1979 677 123 PaeTec Communications, Inc.
22773 1976 2929 125 Cox Communications, Inc.
8402 1895 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
28573 2657 2556 NET Servicos de Comunicao S.A
17974 2515 2425 PT TELEKOMUNIKASI INDONESIA
10620 2374 2157 TVCABLE BOGOTA
4766 2952 2030 Korea Telecom (KIX)
7029 2174 1962 Windstream Communications Inc
18566 2067 1883 Covad Communications
8402 1895 1879 Corbina telecom
1785 1979 1856 PaeTec Communications, Inc.
22773 1976 1851 Cox Communications, Inc.
7545 1889 1780 TPG Internet Pty Ltd
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
30031 UNALLOCATED 12.27.122.0/24 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 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
26064 UNALLOCATED 12.149.37.0/24 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
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.55.0/24 48571 SC efectRO SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
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 /8:16 /9:13 /10:29 /11:89 /12:249
/13:485 /14:885 /15:1565 /16:12695 /17:6610 /18:10973
/19:21871 /20:31995 /21:33869 /22:46993 /23:41843 /24:237177
/25:1351 /26:1651 /27:841 /28:30 /29:35 /30:21
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1741 3036 bellsouth.net, inc.
7029 1612 2174 Windstream Communications Inc
8402 1598 1895 Corbina telecom
22773 1282 1976 Cox Communications, Inc.
30036 1220 1345 Mediacom Communications Corp
11492 1198 1239 Cable One
36998 1131 1137 MOBITEL
1785 1051 1979 PaeTec Communications, Inc.
6983 1006 1134 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:776 2:797 3:3 4:15 5:868 6:5
8:544 12:1920 13:3 14:774 15:11 16:3
17:9 20:18 23:270 24:1765 27:1475 31:1206
32:43 33:2 34:5 36:44 37:1806 38:865
39:2 40:169 41:2641 42:186 44:6 46:1800
47:2 49:627 50:679 52:12 54:30 55:7
57:27 58:1139 59:585 60:307 61:1456 62:1029
63:2036 64:4313 65:2182 66:4328 67:2075 68:1116
69:3244 70:872 71:534 72:1955 74:2574 75:415
76:297 77:1104 78:1056 79:578 80:1233 81:982
82:626 83:570 84:520 85:1171 86:464 87:980
88:527 89:1799 90:281 91:5482 92:620 93:1720
94:1852 95:1742 96:517 97:343 98:1052 99:41
100:29 101:315 103:2491 105:488 106:143 107:209
108:516 109:1832 110:862 111:1043 112:503 113:782
114:697 115:1014 116:889 117:798 118:1036 119:1268
120:402 121:825 122:1753 123:1223 124:1330 125:1331
128:633 129:223 130:323 131:653 132:340 133:149
134:255 135:64 136:224 137:244 138:344 139:190
140:200 141:322 142:542 143:377 144:488 145:91
146:507 147:395 148:694 149:370 150:165 151:532
152:419 153:195 154:44 155:392 156:263 157:394
158:276 159:723 160:340 161:425 162:381 163:203
164:584 165:449 166:334 167:578 168:1029 169:133
170:1025 171:175 172:5 173:1608 174:594 175:461
176:1261 177:1877 178:1811 179:3 180:1409 181:400
182:1138 183:374 184:666 185:384 186:2289 187:1319
188:2017 189:1366 190:6202 192:6533 193:5829 194:4651
195:3479 196:1313 197:834 198:4365 199:5289 200:5889
201:2409 202:8868 203:8768 204:4518 205:2564 206:2818
207:2839 208:4069 209:3583 210:2956 211:1552 212:2031
213:1896 214:922 215:97 216:5197 217:1575 218:619
219:346 220:1273 221:553 222:317 223:443
End of report