* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 07 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 462819
Prefixes after maximum aggregation: 187100
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 228710
Total ASes present in the Internet Routing Table: 44632
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 34928
Origin ASes announcing only one prefix: 16191
Transit ASes present in the Internet Routing Table: 5882
Transit-only ASes present in the Internet Routing Table: 159
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: 4469
Unregistered ASNs in the Routing Table: 1502
Number of 32-bit ASNs allocated by the RIRs: 4926
Number of 32-bit ASNs visible in the Routing Table: 3822
Prefixes from 32-bit ASNs in the Routing Table: 11506
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 278
Number of addresses announced to Internet: 2631497324
Equivalent to 156 /8s, 217 /16s and 118 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.8
Total number of prefixes smaller than registry allocations: 162493
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111267
Total APNIC prefixes after maximum aggregation: 33963
APNIC Deaggregation factor: 3.28
Prefixes being announced from the APNIC address blocks: 113036
Unique aggregates announced from the APNIC address blocks: 46213
APNIC Region origin ASes present in the Internet Routing Table: 4864
APNIC Prefixes per ASN: 23.24
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 825
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 628
Number of APNIC addresses announced to Internet: 725515744
Equivalent to 43 /8s, 62 /16s and 125 /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: 160124
Total ARIN prefixes after maximum aggregation: 80704
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160709
Unique aggregates announced from the ARIN address blocks: 74240
ARIN Region origin ASes present in the Internet Routing Table: 15793
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5992
ARIN Region transit ASes present in the Internet Routing Table: 1649
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: 1067842624
Equivalent to 63 /8s, 165 /16s and 252 /24s
Percentage of available ARIN address space announced: 56.5
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: 118372
Total RIPE prefixes after maximum aggregation: 60328
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122175
Unique aggregates announced from the RIPE address blocks: 78510
RIPE Region origin ASes present in the Internet Routing Table: 17326
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8211
RIPE Region transit ASes present in the Internet Routing Table: 2816
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: 2379
Number of RIPE addresses announced to Internet: 656706596
Equivalent to 39 /8s, 36 /16s and 140 /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: 49827
Total LACNIC prefixes after maximum aggregation: 9526
LACNIC Deaggregation factor: 5.23
Prefixes being announced from the LACNIC address blocks: 54389
Unique aggregates announced from the LACNIC address blocks: 25539
LACNIC Region origin ASes present in the Internet Routing Table: 1994
LACNIC Prefixes per ASN: 27.28
LACNIC Region origin ASes announcing only one prefix: 579
LACNIC Region transit ASes present in the Internet Routing Table: 370
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: 790
Number of LACNIC addresses announced to Internet: 134491944
Equivalent to 8 /8s, 4 /16s and 47 /24s
Percentage of available LACNIC address space announced: 80.2
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: 11636
Total AfriNIC prefixes after maximum aggregation: 2539
AfriNIC Deaggregation factor: 4.58
Prefixes being announced from the AfriNIC address blocks: 12232
Unique aggregates announced from the AfriNIC address blocks: 3952
AfriNIC Region origin ASes present in the Internet Routing Table: 647
AfriNIC Prefixes per ASN: 18.91
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.7
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: 46602752
Equivalent to 2 /8s, 199 /16s and 26 /24s
Percentage of available AfriNIC address space announced: 46.3
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 2919 11561 917 Korea Telecom (KIX)
17974 2651 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2044 320 111 TPG Internet Pty Ltd
4755 1780 393 197 TATA Communications formerly
9829 1531 1221 45 BSNL National Internet Backbo
9583 1224 92 504 Sify Limited
9498 1175 309 70 BHARTI Airtel Ltd.
4808 1159 2133 336 CNCGROUP IP network: China169
7552 1131 1080 13 Vietel Corporation
24560 1087 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 2981 3689 63 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 2005 679 125 PaeTec Communications, Inc.
22773 2002 2927 123 Cox Communications, Inc.
20115 1672 1624 623 Charter Communications
4323 1621 1106 408 Time Warner Telecom
701 1522 11104 799 UUNET Technologies, Inc.
30036 1330 300 688 Mediacom Communications Corp
7018 1318 11037 830 AT&T WorldNet Services
11492 1221 218 363 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 1714 544 16 Corbina telecom
34984 1297 244 226 BILISIM TELEKOM
2118 1159 97 13 EUnet/RELCOM Autonomous Syste
31148 977 43 19 FreeNet ISP
20940 968 343 749 Akamai Technologies European
6830 847 2371 430 UPC Distribution Services
13188 841 98 71 Educational Network
8551 779 370 45 Bezeq International
12479 680 796 52 Uni2 Autonomous System
58113 541 55 339 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 3036 1595 110 NET Servicos de Comunicao S.A
10620 2652 421 228 TVCABLE BOGOTA
7303 1729 1156 221 Telecom Argentina Stet-France
18881 1281 844 20 Global Village Telecom
8151 1273 2759 389 UniNet S.A. de C.V.
27947 836 94 90 Telconet S.A
6503 817 434 63 AVANTEL, S.A.
11830 749 364 15 Instituto Costarricense de El
3816 722 302 83 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 1861 112 5 MOBITEL
24863 873 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 217 The Internet Solution
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
36992 214 527 23 Etisalat MISR
12258 193 28 71 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
28573 3036 1595 110 NET Servicos de Comunicao S.A
6389 2981 3689 63 bellsouth.net, inc.
4766 2919 11561 917 Korea Telecom (KIX)
10620 2652 421 228 TVCABLE BOGOTA
17974 2651 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 2044 320 111 TPG Internet Pty Ltd
1785 2005 679 125 PaeTec Communications, Inc.
22773 2002 2927 123 Cox Communications, Inc.
36998 1861 112 5 MOBITEL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2981 2918 bellsouth.net, inc.
17974 2651 2559 PT TELEKOMUNIKASI INDONESIA
10620 2652 2424 TVCABLE BOGOTA
4766 2919 2002 Korea Telecom (KIX)
7545 2044 1933 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 2005 1880 PaeTec Communications, Inc.
22773 2002 1879 Cox Communications, Inc.
36998 1861 1856 MOBITEL
8402 1714 1698 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
30621 UNALLOCATED 12.151.74.0/23 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 2541 >>UNKNOWN<<
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.40.0/24 60449 >>UNKNOWN<<
128.0.42.0/24 60619 >>UNKNOWN<<
128.0.43.0/24 60619 >>UNKNOWN<<
128.0.45.0/24 60657 >>UNKNOWN<<
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
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
62.182.96.0/23 15830 TELECITY London
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 /9:11 /10:30 /11:92 /12:249
/13:480 /14:905 /15:1601 /16:12734 /17:6643 /18:11094
/19:22545 /20:32186 /21:34773 /22:48799 /23:42702 /24:244040
/25:1288 /26:1643 /27:836 /28:44 /29:73 /30:18
/31:0 /32:17
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1826 1861 MOBITEL
6389 1715 2981 bellsouth.net, inc.
8402 1415 1714 Corbina telecom
22773 1303 2002 Cox Communications, Inc.
30036 1195 1330 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1078 2005 PaeTec Communications, Inc.
6983 1021 1149 ITC^Deltacom
10620 987 2652 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:828 2:798 3:3 4:19 5:912 6:17
8:583 12:1909 13:2 14:868 15:11 16:2
17:10 18:19 20:17 23:299 24:1776 27:1531
31:1368 32:45 33:2 34:5 36:71 37:1846
38:890 39:2 40:175 41:3285 42:250 44:8
46:1966 47:2 49:660 50:832 52:12 54:37
55:7 57:26 58:1167 59:615 60:332 61:1494
62:1175 63:2005 64:4345 65:2154 66:4189 67:2028
68:1093 69:3290 70:801 71:485 72:1924 74:2516
75:325 76:304 77:1134 78:1052 79:609 80:1282
81:1017 82:649 83:583 84:580 85:1216 86:464
87:1018 88:534 89:1802 90:152 91:5528 92:620
93:1688 94:1946 95:1617 96:591 97:345 98:1026
99:43 100:29 101:594 103:3091 105:523 106:139
107:208 108:519 109:1855 110:950 111:1076 112:566
113:814 114:704 115:1101 116:955 117:803 118:1141
119:1298 120:363 121:850 122:1805 123:1239 124:1370
125:1399 128:633 129:219 130:310 131:669 132:361
133:160 134:270 135:72 136:260 137:242 138:344
139:188 140:200 141:319 142:532 143:397 144:535
145:92 146:534 147:419 148:669 149:351 150:153
151:585 152:409 153:189 154:29 155:424 156:275
157:400 158:275 159:746 160:349 161:456 162:533
163:223 164:581 165:516 166:254 167:598 168:1025
169:126 170:1069 171:188 172:23 173:1554 174:565
175:498 176:1159 177:2127 178:1889 179:80 180:1508
181:600 182:1227 183:421 184:650 185:715 186:2341
187:1380 188:1869 189:1301 190:6865 192:6833 193:5625
194:4714 195:3595 196:1336 197:998 198:4577 199:5382
200:6005 201:2450 202:8842 203:8876 204:4519 205:2593
206:2827 207:2897 208:4004 209:3602 210:2939 211:1533
212:2237 213:2027 214:913 215:100 216:5247 217:1642
218:616 219:331 220:1275 221:551 222:318 223:462
End of report
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