Routing Table Report 04:00 +10GMT Tue 14 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 454347
Prefixes after maximum aggregation: 185186
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 224324
Total ASes present in the Internet Routing Table: 44050
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 34574
Origin ASes announcing only one prefix: 16104
Transit ASes present in the Internet Routing Table: 5848
Transit-only ASes present in the Internet Routing Table: 154
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: 316
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 4762
Number of 32-bit ASNs visible in the Routing Table: 3628
Prefixes from 32-bit ASNs in the Routing Table: 10344
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 234
Number of addresses announced to Internet: 2614697964
Equivalent to 155 /8s, 217 /16s and 31 /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: 94.5
Total number of prefixes smaller than registry allocations: 160260
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108872
Total APNIC prefixes after maximum aggregation: 33445
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110215
Unique aggregates announced from the APNIC address blocks: 44904
APNIC Region origin ASes present in the Internet Routing Table: 4836
APNIC Prefixes per ASN: 22.79
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 823
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 522
Number of APNIC addresses announced to Internet: 721172960
Equivalent to 42 /8s, 252 /16s and 57 /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: 159459
Total ARIN prefixes after maximum aggregation: 80228
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160091
Unique aggregates announced from the ARIN address blocks: 73450
ARIN Region origin ASes present in the Internet Routing Table: 15687
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5969
ARIN Region transit ASes present in the Internet Routing Table: 1640
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: 19
Number of ARIN addresses announced to Internet: 1061700224
Equivalent to 63 /8s, 72 /16s and 66 /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: 117133
Total RIPE prefixes after maximum aggregation: 59735
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120664
Unique aggregates announced from the RIPE address blocks: 77827
RIPE Region origin ASes present in the Internet Routing Table: 17162
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8146
RIPE Region transit ASes present in the Internet Routing Table: 2804
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: 2320
Number of RIPE addresses announced to Internet: 656365156
Equivalent to 39 /8s, 31 /16s and 86 /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: 47671
Total LACNIC prefixes after maximum aggregation: 9249
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 51795
Unique aggregates announced from the LACNIC address blocks: 24055
LACNIC Region origin ASes present in the Internet Routing Table: 1930
LACNIC Prefixes per ASN: 26.84
LACNIC Region origin ASes announcing only one prefix: 578
LACNIC Region transit ASes present in the Internet Routing Table: 358
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 761
Number of LACNIC addresses announced to Internet: 128697128
Equivalent to 7 /8s, 171 /16s and 195 /24s
Percentage of available LACNIC address space announced: 76.7
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: 10783
Total AfriNIC prefixes after maximum aggregation: 2489
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 11348
Unique aggregates announced from the AfriNIC address blocks: 3871
AfriNIC Region origin ASes present in the Internet Routing Table: 626
AfriNIC Prefixes per ASN: 18.13
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 134
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: 46411776
Equivalent to 2 /8s, 196 /16s and 48 /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 2959 11559 924 Korea Telecom (KIX)
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1902 320 108 TPG Internet Pty Ltd
4755 1724 390 191 TATA Communications formerly
9829 1507 1205 40 BSNL National Internet Backbo
9583 1218 91 501 Sify Limited
7552 1172 1064 12 Vietel Corporation
4808 1120 2113 328 CNCGROUP IP network: China169
9498 1100 309 71 BHARTI Airtel Ltd.
24560 1069 393 166 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 3016 3693 82 bellsouth.net, inc.
7029 2142 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1992 677 124 PaeTec Communications, Inc.
22773 1973 2929 125 Cox Communications, Inc.
20115 1667 1608 616 Charter Communications
4323 1612 1139 399 Time Warner Telecom
30036 1340 297 651 Mediacom Communications Corp
7018 1312 10819 849 AT&T WorldNet Services
11492 1245 228 320 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 1828 544 16 Corbina telecom
2118 1390 97 13 EUnet/RELCOM Autonomous Syste
34984 1197 240 224 BILISIM TELEKOM
13188 834 99 64 Educational Network
20940 829 286 657 Akamai Technologies European
31148 790 39 20 FreeNet ISP
6830 770 2376 443 UPC Distribution Services
8551 770 370 43 Bezeq International
12479 681 782 67 Uni2 Autonomous System
34744 672 172 55 SC GVM SISTEM 2003 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 2686 1482 109 NET Servicos de Comunicao S.A
10620 2630 412 223 TVCABLE BOGOTA
7303 1689 1157 219 Telecom Argentina Stet-France
8151 1242 2701 393 UniNet S.A. de C.V.
6503 971 435 68 AVANTEL, S.A.
18881 930 780 19 Global Village Telecom
27947 797 88 96 Telconet S.A
11830 710 364 14 Instituto Costarricense de El
3816 706 306 85 Empresa Nacional de Telecomun
7738 698 1370 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 1237 80 4 MOBITEL
24863 888 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 454 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 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 3016 3693 82 bellsouth.net, inc.
4766 2959 11559 924 Korea Telecom (KIX)
28573 2686 1482 109 NET Servicos de Comunicao S.A
10620 2630 412 223 TVCABLE BOGOTA
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
7029 2142 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1992 677 124 PaeTec Communications, Inc.
22773 1973 2929 125 Cox Communications, Inc.
7545 1902 320 108 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 2686 2577 NET Servicos de Comunicao S.A
17974 2513 2423 PT TELEKOMUNIKASI INDONESIA
10620 2630 2407 TVCABLE BOGOTA
4766 2959 2035 Korea Telecom (KIX)
7029 2142 1931 Windstream Communications Inc
18566 2067 1883 Covad Communications
1785 1992 1868 PaeTec Communications, Inc.
22773 1973 1848 Cox Communications, Inc.
8402 1828 1812 Corbina telecom
7545 1902 1794 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
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.52.0/24 60906 NETOPIA 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
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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.
64.185.231.0/24 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 /11:87 /12:250
/13:490 /14:883 /15:1565 /16:12678 /17:6630 /18:11178
/19:22078 /20:32050 /21:34108 /22:47365 /23:42131 /24:238670
/25:1359 /26:1754 /27:867 /28:44 /29:65 /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 1728 3016 bellsouth.net, inc.
7029 1611 2142 Windstream Communications Inc
8402 1530 1828 Corbina telecom
22773 1282 1973 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1211 1340 Mediacom Communications Corp
11492 1204 1245 Cable One
1785 1062 1992 PaeTec Communications, Inc.
6983 1008 1134 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:806 2:806 3:3 4:15 5:876 6:7
8:558 12:1926 13:3 14:779 15:11 16:3
17:9 20:17 23:276 24:1767 27:1501 31:1279
32:43 33:2 34:5 36:44 37:1844 38:873
39:2 40:172 41:2763 42:190 44:6 46:1890
47:2 49:631 50:693 52:12 54:35 55:9
57:26 58:1140 59:568 60:306 61:1391 62:1077
63:2034 64:4320 65:2182 66:4365 67:2042 68:1125
69:3279 70:871 71:536 72:1928 74:2558 75:413
76:308 77:1105 78:1052 79:587 80:1267 81:994
82:625 83:556 84:526 85:1150 86:462 87:974
88:533 89:1792 90:161 91:5446 92:585 93:1706
94:1855 95:1494 96:527 97:344 98:1052 99:41
100:30 101:329 103:2569 105:535 106:144 107:209
108:520 109:1851 110:872 111:1055 112:509 113:790
114:711 115:941 116:906 117:792 118:1069 119:1289
120:405 121:721 122:1780 123:1215 124:1350 125:1343
128:631 129:225 130:323 131:643 132:338 133:149
134:262 135:66 136:221 137:254 138:346 139:197
140:207 141:327 142:547 143:400 144:486 145:92
146:505 147:408 148:695 149:372 150:158 151:567
152:418 153:199 154:44 155:396 156:263 157:401
158:276 159:732 160:358 161:427 162:420 163:212
164:592 165:451 166:300 167:582 168:1038 169:134
170:1015 171:178 172:6 173:1673 174:587 175:475
176:1289 177:1967 178:1831 179:5 180:1423 181:359
182:1190 183:389 184:674 185:435 186:2274 187:1297
188:2137 189:1324 190:6364 192:6613 193:5862 194:4673
195:3448 196:1330 197:905 198:4433 199:5294 200:5924
201:2413 202:8842 203:8832 204:4510 205:2569 206:2845
207:2880 208:4065 209:3627 210:2943 211:1557 212:2113
213:1939 214:915 215:97 216:5251 217:1600 218:617
219:330 220:1278 221:554 222:319 223:442
End of report