* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 04 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 457085
Prefixes after maximum aggregation: 186105
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 227308
Total ASes present in the Internet Routing Table: 44401
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 34767
Origin ASes announcing only one prefix: 16146
Transit ASes present in the Internet Routing Table: 5875
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 ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1995
Unregistered ASNs in the Routing Table: 919
Number of 32-bit ASNs allocated by the RIRs: 4846
Number of 32-bit ASNs visible in the Routing Table: 3759
Prefixes from 32-bit ASNs in the Routing Table: 11085
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 221
Number of addresses announced to Internet: 2627059500
Equivalent to 156 /8s, 149 /16s and 191 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
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: 159984
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109760
Total APNIC prefixes after maximum aggregation: 33672
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 111623
Unique aggregates announced from the APNIC address blocks: 45760
APNIC Region origin ASes present in the Internet Routing Table: 4853
APNIC Prefixes per ASN: 23.00
APNIC Region origin ASes announcing only one prefix: 1214
APNIC Region transit ASes present in the Internet Routing Table: 828
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: 595
Number of APNIC addresses announced to Internet: 725307872
Equivalent to 43 /8s, 59 /16s and 81 /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: 158919
Total ARIN prefixes after maximum aggregation: 80408
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159538
Unique aggregates announced from the ARIN address blocks: 74076
ARIN Region origin ASes present in the Internet Routing Table: 15747
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5990
ARIN Region transit ASes present in the Internet Routing Table: 1637
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: 1065406272
Equivalent to 63 /8s, 128 /16s and 207 /24s
Percentage of available ARIN address space announced: 56.4
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: 117668
Total RIPE prefixes after maximum aggregation: 60129
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121126
Unique aggregates announced from the RIPE address blocks: 78476
RIPE Region origin ASes present in the Internet Routing Table: 17254
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8173
RIPE Region transit ASes present in the Internet Routing Table: 2828
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: 2370
Number of RIPE addresses announced to Internet: 656744804
Equivalent to 39 /8s, 37 /16s and 33 /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: 48802
Total LACNIC prefixes after maximum aggregation: 9339
LACNIC Deaggregation factor: 5.23
Prefixes being announced from the LACNIC address blocks: 53219
Unique aggregates announced from the LACNIC address blocks: 24825
LACNIC Region origin ASes present in the Internet Routing Table: 1969
LACNIC Prefixes per ASN: 27.03
LACNIC Region origin ASes announcing only one prefix: 579
LACNIC Region transit ASes present in the Internet Routing Table: 361
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 769
Number of LACNIC addresses announced to Internet: 132988840
Equivalent to 7 /8s, 237 /16s and 63 /24s
Percentage of available LACNIC address space announced: 79.3
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: 10761
Total AfriNIC prefixes after maximum aggregation: 2516
AfriNIC Deaggregation factor: 4.28
Prefixes being announced from the AfriNIC address blocks: 11358
Unique aggregates announced from the AfriNIC address blocks: 3968
AfriNIC Region origin ASes present in the Internet Routing Table: 644
AfriNIC Prefixes per ASN: 17.64
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 134
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: 46318336
Equivalent to 2 /8s, 194 /16s and 195 /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 2937 11561 921 Korea Telecom (KIX)
17974 2565 855 91 PT TELEKOMUNIKASI INDONESIA
7545 2017 320 107 TPG Internet Pty Ltd
4755 1750 391 192 TATA Communications formerly
9829 1516 1205 40 BSNL National Internet Backbo
9583 1462 117 563 Sify Limited
7552 1160 1080 13 Vietel Corporation
4808 1149 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 2066 382 184 Covad Communications
1785 1995 678 126 PaeTec Communications, Inc.
22773 1988 2927 123 Cox Communications, Inc.
20115 1667 1618 620 Charter Communications
4323 1621 1138 403 Time Warner Telecom
701 1530 11127 797 UUNET Technologies, Inc.
30036 1342 302 662 Mediacom Communications Corp
7018 1297 11035 821 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 1651 544 16 Corbina telecom
34984 1286 244 222 BILISIM TELEKOM
2118 1271 97 13 EUnet/RELCOM Autonomous Syste
20940 907 318 712 Akamai Technologies European
13188 825 98 79 Educational Network
31148 807 40 26 FreeNet ISP
6830 779 2375 439 UPC Distribution Services
8551 779 370 45 Bezeq International
12479 673 789 57 Uni2 Autonomous System
34744 657 171 75 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 2917 1574 106 NET Servicos de Comunicao S.A
10620 2681 420 196 TVCABLE BOGOTA
7303 1731 1155 220 Telecom Argentina Stet-France
8151 1267 2731 385 UniNet S.A. de C.V.
18881 1070 844 20 Global Village Telecom
6503 865 434 63 AVANTEL, S.A.
27947 823 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 1005 80 4 MOBITEL
24863 883 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 461 956 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 2937 11561 921 Korea Telecom (KIX)
28573 2917 1574 106 NET Servicos de Comunicao S.A
10620 2681 420 196 TVCABLE BOGOTA
17974 2565 855 91 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
7545 2017 320 107 TPG Internet Pty Ltd
1785 1995 678 126 PaeTec Communications, Inc.
22773 1988 2927 123 Cox Communications, Inc.
4755 1750 391 192 TATA Communications formerly
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 2917 2811 NET Servicos de Comunicao S.A
10620 2681 2485 TVCABLE BOGOTA
17974 2565 2474 PT TELEKOMUNIKASI INDONESIA
4766 2937 2016 Korea Telecom (KIX)
7545 2017 1910 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
1785 1995 1869 PaeTec Communications, Inc.
22773 1988 1865 Cox Communications, Inc.
8402 1651 1635 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 /11:91 /12:250
/13:482 /14:900 /15:1604 /16:12714 /17:6645 /18:11099
/19:22453 /20:32090 /21:34496 /22:48030 /23:42325 /24:239900
/25:1306 /26:1642 /27:857 /28:43 /29:66 /30:19
/31:0 /32:16
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
6389 1717 2990 bellsouth.net, inc.
8402 1358 1651 Corbina telecom
22773 1293 1988 Cox Communications, Inc.
30036 1209 1342 Mediacom Communications Corp
11492 1184 1223 Cable One
1785 1063 1995 PaeTec Communications, Inc.
6983 1015 1145 ITC^Deltacom
36998 999 1005 MOBITEL
10620 998 2681 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:843 2:765 3:3 4:19 5:809 6:16
8:562 12:1919 13:3 14:857 15:11 16:3
17:10 20:17 23:292 24:1770 27:1478 31:1247
32:45 33:2 34:5 36:52 37:1867 38:878
39:2 40:171 41:2743 42:204 44:8 46:1915
47:2 49:663 50:750 52:12 54:35 55:6
57:26 58:1156 59:584 60:328 61:1409 62:1123
63:2012 64:4322 65:2161 66:4174 67:2043 68:1077
69:3279 70:836 71:491 72:1929 74:2462 75:324
76:308 77:1116 78:1030 79:620 80:1269 81:1021
82:624 83:594 84:587 85:1177 86:449 87:1012
88:539 89:1751 90:148 91:5503 92:603 93:1762
94:1878 95:1635 96:523 97:343 98:1013 99:42
100:30 101:325 103:2888 105:412 106:138 107:207
108:511 109:1847 110:909 111:1061 112:548 113:816
114:698 115:969 116:962 117:801 118:1114 119:1314
120:388 121:733 122:1796 123:1218 124:1375 125:1383
128:595 129:225 130:305 131:662 132:359 133:155
134:269 135:68 136:223 137:242 138:340 139:190
140:204 141:326 142:541 143:369 144:481 145:94
146:505 147:381 148:670 149:350 150:156 151:503
152:418 153:189 154:24 155:414 156:265 157:399
158:279 159:716 160:344 161:454 162:472 163:222
164:602 165:498 166:254 167:595 168:1047 169:129
170:1058 171:180 172:21 173:1598 174:548 175:473
176:1086 177:2132 178:1856 179:50 180:1459 181:488
182:1252 183:423 184:668 185:599 186:2300 187:1295
188:2061 189:1283 190:6759 192:6782 193:5856 194:4613
195:3459 196:1355 197:879 198:4506 199:5350 200:6007
201:2206 202:8792 203:8883 204:4515 205:2562 206:2808
207:2848 208:4019 209:3626 210:2916 211:1520 212:2177
213:1983 214:903 215:99 216:5239 217:1614 218:621
219:323 220:1280 221:557 222:321 223:448
End of report
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