Routing Table Report 04:00 +10GMT Wed 01 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 453113
Prefixes after maximum aggregation: 185063
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 223430
Total ASes present in the Internet Routing Table: 43979
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 34564
Origin ASes announcing only one prefix: 16097
Transit ASes present in the Internet Routing Table: 5809
Transit-only ASes present in the Internet Routing Table: 145
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 323
Unregistered ASNs in the Routing Table: 137
Number of 32-bit ASNs allocated by the RIRs: 4746
Number of 32-bit ASNs visible in the Routing Table: 3606
Prefixes from 32-bit ASNs in the Routing Table: 10247
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 194
Number of addresses announced to Internet: 2616265068
Equivalent to 155 /8s, 241 /16s and 9 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
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: 159811
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108594
Total APNIC prefixes after maximum aggregation: 33382
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109847
Unique aggregates announced from the APNIC address blocks: 44571
APNIC Region origin ASes present in the Internet Routing Table: 4838
APNIC Prefixes per ASN: 22.71
APNIC Region origin ASes announcing only one prefix: 1225
APNIC Region transit ASes present in the Internet Routing Table: 820
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 512
Number of APNIC addresses announced to Internet: 721011680
Equivalent to 42 /8s, 249 /16s and 195 /24s
Percentage of available APNIC address space announced: 84.3
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: 158986
Total ARIN prefixes after maximum aggregation: 80020
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 159651
Unique aggregates announced from the ARIN address blocks: 73041
ARIN Region origin ASes present in the Internet Routing Table: 15669
ARIN Prefixes per ASN: 10.19
ARIN Region origin ASes announcing only one prefix: 5966
ARIN Region transit ASes present in the Internet Routing Table: 1620
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1063201664
Equivalent to 63 /8s, 95 /16s and 43 /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: 116882
Total RIPE prefixes after maximum aggregation: 59671
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120414
Unique aggregates announced from the RIPE address blocks: 77387
RIPE Region origin ASes present in the Internet Routing Table: 17154
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8148
RIPE Region transit ASes present in the Internet Routing Table: 2793
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2312
Number of RIPE addresses announced to Internet: 657205732
Equivalent to 39 /8s, 44 /16s and 41 /24s
Percentage of available RIPE address space announced: 95.5
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: 47475
Total LACNIC prefixes after maximum aggregation: 9424
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 51552
Unique aggregates announced from the LACNIC address blocks: 24400
LACNIC Region origin ASes present in the Internet Routing Table: 1915
LACNIC Prefixes per ASN: 26.92
LACNIC Region origin ASes announcing only one prefix: 567
LACNIC Region transit ASes present in the Internet Routing Table: 352
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: 758
Number of LACNIC addresses announced to Internet: 128150824
Equivalent to 7 /8s, 163 /16s and 109 /24s
Percentage of available LACNIC address space announced: 76.4
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: 10844
Total AfriNIC prefixes after maximum aggregation: 2525
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 11455
Unique aggregates announced from the AfriNIC address blocks: 3852
AfriNIC Region origin ASes present in the Internet Routing Table: 624
AfriNIC Prefixes per ASN: 18.36
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 133
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46358272
Equivalent to 2 /8s, 195 /16s and 95 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2950 11558 922 Korea Telecom (KIX)
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1888 320 105 TPG Internet Pty Ltd
4755 1723 390 190 TATA Communications formerly
9829 1509 1205 40 BSNL National Internet Backbo
9583 1217 91 499 Sify Limited
7552 1174 1064 12 Vietel Corporation
4808 1116 2109 327 CNCGROUP IP network: China169
9498 1096 310 73 BHARTI Airtel Ltd.
24560 1075 385 166 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 3031 3693 84 bellsouth.net, inc.
7029 2145 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1989 677 124 PaeTec Communications, Inc.
22773 1969 2929 125 Cox Communications, Inc.
20115 1669 1610 613 Charter Communications
4323 1610 1139 399 Time Warner Telecom
30036 1342 298 654 Mediacom Communications Corp
7018 1314 10805 852 AT&T WorldNet Services
11492 1240 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 1791 544 16 Corbina telecom
2118 1390 97 13 EUnet/RELCOM Autonomous Syste
34984 1163 236 212 BILISIM TELEKOM
12479 840 785 66 Uni2 Autonomous System
13188 834 99 64 Educational Network
20940 829 289 659 Akamai Technologies European
31148 794 41 21 FreeNet ISP
6830 770 2376 442 UPC Distribution Services
8551 770 370 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 2683 1470 104 NET Servicos de Comunicao S.A
10620 2384 413 215 TVCABLE BOGOTA
7303 1688 1156 219 Telecom Argentina Stet-France
8151 1239 2698 393 UniNet S.A. de C.V.
6503 1014 435 68 AVANTEL, S.A.
18881 908 780 19 Global Village Telecom
27947 816 88 95 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
7738 698 1370 35 Telecomunicacoes da Bahia S.A
3816 697 306 85 Empresa Nacional de Telecomun
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 1286 80 4 MOBITEL
24863 886 274 34 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 461 956 9 TEDATA
24835 343 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 189 527 21 Etisalat MISR
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 3031 3693 84 bellsouth.net, inc.
4766 2950 11558 922 Korea Telecom (KIX)
28573 2683 1470 104 NET Servicos de Comunicao S.A
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
10620 2384 413 215 TVCABLE BOGOTA
7029 2145 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1989 677 124 PaeTec Communications, Inc.
22773 1969 2929 125 Cox Communications, Inc.
7545 1888 320 105 TPG Internet Pty Ltd
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 2683 2579 NET Servicos de Comunicao S.A
17974 2513 2423 PT TELEKOMUNIKASI INDONESIA
10620 2384 2169 TVCABLE BOGOTA
4766 2950 2028 Korea Telecom (KIX)
7029 2145 1933 Windstream Communications Inc
18566 2067 1883 Covad Communications
1785 1989 1865 PaeTec Communications, Inc.
22773 1969 1844 Cox Communications, Inc.
7545 1888 1783 TPG Internet Pty Ltd
8402 1791 1775 Corbina telecom
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
128.0.58.0/23 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
128.0.80.0/20 52041 Timer LTD
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 /11:88 /12:250
/13:487 /14:887 /15:1570 /16:12691 /17:6641 /18:11138
/19:22100 /20:32024 /21:34016 /22:47215 /23:42002 /24:237810
/25:1364 /26:1762 /27:863 /28:43 /29:67 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1738 3031 bellsouth.net, inc.
7029 1607 2145 Windstream Communications Inc
8402 1497 1791 Corbina telecom
36998 1280 1286 MOBITEL
22773 1279 1969 Cox Communications, Inc.
30036 1215 1342 Mediacom Communications Corp
11492 1199 1240 Cable One
1785 1060 1989 PaeTec Communications, Inc.
6983 1007 1133 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:780 2:781 3:3 4:15 5:872 6:5
8:553 12:1917 13:3 14:775 15:11 16:3
17:9 20:18 23:274 24:1762 27:1486 31:1263
32:43 33:2 34:5 36:44 37:1807 38:869
39:2 40:171 41:2811 42:186 44:6 46:1879
47:2 49:630 50:686 52:12 54:32 55:10
57:26 58:1140 59:566 60:307 61:1389 62:1076
63:2038 64:4322 65:2173 66:4318 67:2058 68:1102
69:3243 70:872 71:536 72:1953 74:2554 75:417
76:289 77:1112 78:1052 79:592 80:1261 81:989
82:624 83:571 84:524 85:1165 86:463 87:978
88:538 89:1801 90:280 91:5499 92:623 93:1721
94:1852 95:1524 96:522 97:342 98:1049 99:41
100:29 101:319 103:2501 105:520 106:144 107:209
108:518 109:1842 110:868 111:1050 112:507 113:785
114:699 115:922 116:894 117:797 118:1063 119:1265
120:402 121:720 122:1760 123:1235 124:1342 125:1336
128:630 129:224 130:320 131:653 132:339 133:149
134:253 135:66 136:222 137:249 138:346 139:196
140:207 141:323 142:549 143:387 144:491 145:92
146:508 147:393 148:691 149:372 150:158 151:569
152:419 153:195 154:75 155:397 156:265 157:394
158:276 159:724 160:338 161:426 162:408 163:212
164:591 165:449 166:308 167:580 168:1032 169:132
170:1027 171:177 172:4 173:1605 174:594 175:466
176:1269 177:1924 178:1836 179:5 180:1413 181:409
182:1149 183:382 184:671 185:392 186:2309 187:1310
188:2047 189:1348 190:6179 192:6555 193:5840 194:4664
195:3452 196:1341 197:955 198:4409 199:5282 200:5886
201:2404 202:8888 203:8809 204:4511 205:2565 206:2837
207:2863 208:4065 209:3606 210:2947 211:1555 212:2056
213:1888 214:918 215:98 216:5233 217:1568 218:619
219:330 220:1277 221:554 222:317 223:438
End of report