* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 02 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 457392
Prefixes after maximum aggregation: 186051
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 226958
Total ASes present in the Internet Routing Table: 44379
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 34752
Origin ASes announcing only one prefix: 16146
Transit ASes present in the Internet Routing Table: 5870
Transit-only ASes present in the Internet Routing Table: 144
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1861
Unregistered ASNs in the Routing Table: 852
Number of 32-bit ASNs allocated by the RIRs: 4838
Number of 32-bit ASNs visible in the Routing Table: 3757
Prefixes from 32-bit ASNs in the Routing Table: 11098
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 221
Number of addresses announced to Internet: 2626652204
Equivalent to 156 /8s, 143 /16s and 136 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.7
Total number of prefixes smaller than registry allocations: 160310
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109824
Total APNIC prefixes after maximum aggregation: 33644
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 111661
Unique aggregates announced from the APNIC address blocks: 45719
APNIC Region origin ASes present in the Internet Routing Table: 4848
APNIC Prefixes per ASN: 23.03
APNIC Region origin ASes announcing only one prefix: 1215
APNIC Region transit ASes present in the Internet Routing Table: 825
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 589
Number of APNIC addresses announced to Internet: 725338080
Equivalent to 43 /8s, 59 /16s and 199 /24s
Percentage of available APNIC address space announced: 84.8
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: 158828
Total ARIN prefixes after maximum aggregation: 80345
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159484
Unique aggregates announced from the ARIN address blocks: 73815
ARIN Region origin ASes present in the Internet Routing Table: 15754
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 6004
ARIN Region transit ASes present in the Internet Routing Table: 1643
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: 19
Number of ARIN addresses announced to Internet: 1065042240
Equivalent to 63 /8s, 123 /16s and 65 /24s
Percentage of available ARIN address space announced: 56.3
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, 62464-63487, 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: 117897
Total RIPE prefixes after maximum aggregation: 60171
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121303
Unique aggregates announced from the RIPE address blocks: 78490
RIPE Region origin ASes present in the Internet Routing Table: 17244
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8163
RIPE Region transit ASes present in the Internet Routing Table: 2824
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2373
Number of RIPE addresses announced to Internet: 656773476
Equivalent to 39 /8s, 37 /16s and 145 /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: 48718
Total LACNIC prefixes after maximum aggregation: 9333
LACNIC Deaggregation factor: 5.22
Prefixes being announced from the LACNIC address blocks: 53157
Unique aggregates announced from the LACNIC address blocks: 24759
LACNIC Region origin ASes present in the Internet Routing Table: 1963
LACNIC Prefixes per ASN: 27.08
LACNIC Region origin ASes announcing only one prefix: 577
LACNIC Region transit ASes present in the Internet Routing Table: 358
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 770
Number of LACNIC addresses announced to Internet: 132872872
Equivalent to 7 /8s, 235 /16s and 122 /24s
Percentage of available LACNIC address space announced: 79.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 10936
Total AfriNIC prefixes after maximum aggregation: 2517
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11566
Unique aggregates announced from the AfriNIC address blocks: 3975
AfriNIC Region origin ASes present in the Internet Routing Table: 641
AfriNIC Prefixes per ASN: 18.04
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: 4.9
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: 46336000
Equivalent to 2 /8s, 195 /16s and 8 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2943 11561 922 Korea Telecom (KIX)
17974 2561 855 92 PT TELEKOMUNIKASI INDONESIA
7545 2016 320 109 TPG Internet Pty Ltd
4755 1750 391 192 TATA Communications formerly
9829 1517 1205 40 BSNL National Internet Backbo
9583 1460 117 563 Sify Limited
7552 1160 1080 13 Vietel Corporation
4808 1148 2124 335 CNCGROUP IP network: China169
9498 1147 309 71 BHARTI Airtel Ltd.
24560 1080 394 164 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 2990 3691 69 bellsouth.net, inc.
18566 2064 382 184 Covad Communications
1785 1994 678 125 PaeTec Communications, Inc.
22773 1986 2927 123 Cox Communications, Inc.
20115 1665 1617 617 Charter Communications
4323 1622 1138 403 Time Warner Telecom
701 1531 11127 798 UUNET Technologies, Inc.
30036 1340 300 644 Mediacom Communications Corp
7018 1305 11040 827 AT&T WorldNet Services
11492 1223 218 359 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 1755 544 16 Corbina telecom
34984 1284 244 221 BILISIM TELEKOM
2118 1085 97 13 EUnet/RELCOM Autonomous Syste
20940 905 318 710 Akamai Technologies European
13188 825 98 79 Educational Network
31148 806 40 25 FreeNet ISP
8551 778 370 44 Bezeq International
6830 766 2376 440 UPC Distribution Services
12479 673 789 57 Uni2 Autonomous System
34744 658 171 76 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 2894 1570 105 NET Servicos de Comunicao S.A
10620 2677 420 200 TVCABLE BOGOTA
7303 1731 1155 220 Telecom Argentina Stet-France
8151 1264 2725 386 UniNet S.A. de C.V.
18881 1070 844 20 Global Village Telecom
6503 869 434 63 AVANTEL, S.A.
27947 818 94 93 Telconet S.A
3816 717 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 616 88 65 Servicios Alestra S.A de C.V
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 1172 80 4 MOBITEL
24863 883 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 460 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 219 32 6 Sudatel Internet Exchange Aut
29571 219 17 12 Ci Telecom Autonomous system
36992 203 527 21 Etisalat MISR
12258 193 28 66 Vodacom Internet Company
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 2990 3691 69 bellsouth.net, inc.
4766 2943 11561 922 Korea Telecom (KIX)
28573 2894 1570 105 NET Servicos de Comunicao S.A
10620 2677 420 200 TVCABLE BOGOTA
17974 2561 855 92 PT TELEKOMUNIKASI INDONESIA
18566 2064 382 184 Covad Communications
7545 2016 320 109 TPG Internet Pty Ltd
1785 1994 678 125 PaeTec Communications, Inc.
22773 1986 2927 123 Cox Communications, Inc.
8402 1755 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 2894 2789 NET Servicos de Comunicao S.A
10620 2677 2477 TVCABLE BOGOTA
17974 2561 2469 PT TELEKOMUNIKASI INDONESIA
4766 2943 2021 Korea Telecom (KIX)
7545 2016 1907 TPG Internet Pty Ltd
18566 2064 1880 Covad Communications
1785 1994 1869 PaeTec Communications, Inc.
22773 1986 1863 Cox Communications, Inc.
8402 1755 1739 Corbina telecom
4755 1750 1558 TATA Communications formerly
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
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
128.0.55.0/24 48571 SC efectRO SRL
128.0.57.0/24 60993 Totalsoft SA
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 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 /9:11 /10:30 /11:92 /12:250
/13:483 /14:899 /15:1604 /16:12714 /17:6646 /18:11102
/19:22445 /20:32098 /21:34523 /22:48072 /23:42390 /24:240062
/25:1305 /26:1645 /27:860 /28:45 /29:65 /30:19
/31:0 /32:16
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications
6389 1717 2990 bellsouth.net, inc.
8402 1440 1755 Corbina telecom
22773 1293 1986 Cox Communications, Inc.
30036 1207 1340 Mediacom Communications Corp
11492 1184 1223 Cable One
36998 1140 1172 MOBITEL
1785 1063 1994 PaeTec Communications, Inc.
6983 1015 1145 ITC^Deltacom
10620 996 2677 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:839 2:768 3:3 4:19 5:811 6:16
8:562 12:1917 13:3 14:855 15:11 16:3
17:10 20:17 23:293 24:1770 27:1478 31:1310
32:45 33:2 34:5 36:47 37:1867 38:876
39:2 40:170 41:2814 42:202 44:8 46:1907
47:1 49:665 50:742 52:12 54:35 55:4
57:26 58:1158 59:586 60:327 61:1406 62:1136
63:2029 64:4336 65:2156 66:4175 67:2040 68:1078
69:3273 70:836 71:496 72:1925 74:2461 75:324
76:301 77:1114 78:1065 79:615 80:1262 81:1017
82:630 83:594 84:588 85:1180 86:457 87:1010
88:543 89:1771 90:148 91:5519 92:608 93:1752
94:1873 95:1640 96:523 97:345 98:1013 99:42
100:30 101:326 103:2873 105:470 106:138 107:207
108:511 109:1839 110:908 111:1053 112:546 113:819
114:698 115:971 116:961 117:801 118:1114 119:1319
120:383 121:733 122:1799 123:1222 124:1375 125:1384
128:648 129:225 130:309 131:663 132:359 133:155
134:267 135:68 136:223 137:242 138:339 139:190
140:203 141:328 142:540 143:376 144:497 145:94
146:505 147:381 148:670 149:348 150:156 151:520
152:420 153:189 154:24 155:412 156:265 157:399
158:280 159:716 160:345 161:455 162:462 163:246
164:603 165:498 166:253 167:596 168:1045 169:129
170:1059 171:180 172:21 173:1599 174:540 175:471
176:1107 177:2111 178:1862 179:52 180:1461 181:478
182:1252 183:423 184:667 185:598 186:2283 187:1296
188:2053 189:1281 190:6742 192:6771 193:5664 194:4609
195:3455 196:1362 197:885 198:4498 199:5348 200:6003
201:2218 202:8810 203:8882 204:4510 205:2563 206:2806
207:2848 208:4036 209:3625 210:2917 211:1520 212:2178
213:1999 214:906 215:98 216:5228 217:1629 218:622
219:335 220:1282 221:557 222:325 223:447
End of report
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