* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 06 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 462710
Prefixes after maximum aggregation: 187040
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 228636
Total ASes present in the Internet Routing Table: 44616
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 34922
Origin ASes announcing only one prefix: 16180
Transit ASes present in the Internet Routing Table: 5875
Transit-only ASes present in the Internet Routing Table: 161
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: 4415
Unregistered ASNs in the Routing Table: 1475
Number of 32-bit ASNs allocated by the RIRs: 4926
Number of 32-bit ASNs visible in the Routing Table: 3819
Prefixes from 32-bit ASNs in the Routing Table: 11494
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 276
Number of addresses announced to Internet: 2631682796
Equivalent to 156 /8s, 220 /16s and 74 /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: 162457
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111318
Total APNIC prefixes after maximum aggregation: 33953
APNIC Deaggregation factor: 3.28
Prefixes being announced from the APNIC address blocks: 113078
Unique aggregates announced from the APNIC address blocks: 46182
APNIC Region origin ASes present in the Internet Routing Table: 4862
APNIC Prefixes per ASN: 23.26
APNIC Region origin ASes announcing only one prefix: 1220
APNIC Region transit ASes present in the Internet Routing Table: 823
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: 624
Number of APNIC addresses announced to Internet: 725715680
Equivalent to 43 /8s, 65 /16s and 138 /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: 160077
Total ARIN prefixes after maximum aggregation: 80646
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160661
Unique aggregates announced from the ARIN address blocks: 74264
ARIN Region origin ASes present in the Internet Routing Table: 15790
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5990
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: 1067801920
Equivalent to 63 /8s, 165 /16s and 93 /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: 118376
Total RIPE prefixes after maximum aggregation: 60345
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122167
Unique aggregates announced from the RIPE address blocks: 78489
RIPE Region origin ASes present in the Internet Routing Table: 17319
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8205
RIPE Region transit ASes present in the Internet Routing Table: 2823
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: 2378
Number of RIPE addresses announced to Internet: 656754596
Equivalent to 39 /8s, 37 /16s and 71 /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: 49725
Total LACNIC prefixes after maximum aggregation: 9523
LACNIC Deaggregation factor: 5.22
Prefixes being announced from the LACNIC address blocks: 54300
Unique aggregates announced from the LACNIC address blocks: 25502
LACNIC Region origin ASes present in the Internet Routing Table: 1993
LACNIC Prefixes per ASN: 27.25
LACNIC Region origin ASes announcing only one prefix: 577
LACNIC Region transit ASes present in the Internet Routing Table: 365
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: 792
Number of LACNIC addresses announced to Internet: 134480424
Equivalent to 8 /8s, 4 /16s and 2 /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: 11633
Total AfriNIC prefixes after maximum aggregation: 2533
AfriNIC Deaggregation factor: 4.59
Prefixes being announced from the AfriNIC address blocks: 12228
Unique aggregates announced from the AfriNIC address blocks: 3943
AfriNIC Region origin ASes present in the Internet Routing Table: 645
AfriNIC Prefixes per ASN: 18.96
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 46594304
Equivalent to 2 /8s, 198 /16s and 249 /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 2920 11561 917 Korea Telecom (KIX)
17974 2650 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2036 320 110 TPG Internet Pty Ltd
4755 1779 393 197 TATA Communications formerly
9829 1536 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 1523 11104 800 UUNET Technologies, Inc.
30036 1357 307 651 Mediacom Communications Corp
7018 1317 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 1697 544 16 Corbina telecom
34984 1299 244 221 BILISIM TELEKOM
2118 1156 97 13 EUnet/RELCOM Autonomous Syste
31148 977 43 19 FreeNet ISP
20940 961 338 742 Akamai Technologies European
6830 847 2371 430 UPC Distribution Services
13188 839 98 75 Educational Network
8551 780 370 45 Bezeq International
12479 679 796 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 2986 1591 110 NET Servicos de Comunicao S.A
10620 2652 421 228 TVCABLE BOGOTA
7303 1729 1156 221 Telecom Argentina Stet-France
18881 1280 844 20 Global Village Telecom
8151 1274 2759 389 UniNet S.A. de C.V.
27947 836 94 90 Telconet S.A
6503 816 434 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 875 274 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 211 527 22 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 2986 1591 110 NET Servicos de Comunicao S.A
6389 2981 3689 63 bellsouth.net, inc.
4766 2920 11561 917 Korea Telecom (KIX)
10620 2652 421 228 TVCABLE BOGOTA
17974 2650 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 2036 320 110 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 2650 2558 PT TELEKOMUNIKASI INDONESIA
10620 2652 2424 TVCABLE BOGOTA
4766 2920 2003 Korea Telecom (KIX)
7545 2036 1926 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 1697 1681 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 /15:1602 /16:12736 /17:6650 /18:11095
/19:22564 /20:32224 /21:34705 /22:48723 /23:42680 /24:244036
/25:1279 /26:1640 /27:840 /28:44 /29:73 /30:18
/31:0 /32:18
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 1397 1697 Corbina telecom
22773 1303 2002 Cox Communications, Inc.
30036 1218 1357 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1078 2005 PaeTec Communications, Inc.
6983 1020 1148 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)
----------------------------------------------
1:829 2:779 3:3 4:19 5:906 6:17
8:581 12:1909 13:2 14:870 15:11 16:2
17:10 18:19 20:17 23:297 24:1772 27:1530
31:1338 32:45 33:2 34:5 36:71 37:1847
38:889 39:2 40:175 41:3291 42:250 44:8
46:1963 47:2 49:659 50:840 52:12 54:37
55:6 57:26 58:1168 59:614 60:332 61:1500
62:1175 63:2005 64:4344 65:2147 66:4189 67:2026
68:1093 69:3290 70:800 71:490 72:1914 74:2515
75:324 76:303 77:1132 78:1055 79:610 80:1283
81:1013 82:644 83:584 84:579 85:1236 86:464
87:1018 88:533 89:1805 90:152 91:5530 92:623
93:1687 94:1938 95:1635 96:591 97:344 98:1027
99:43 100:29 101:592 103:3076 105:523 106:139
107:208 108:519 109:1859 110:949 111:1074 112:566
113:814 114:702 115:1104 116:955 117:800 118:1144
119:1294 120:362 121:851 122:1800 123:1239 124:1370
125:1397 128:636 129:219 130:310 131:668 132:361
133:160 134:270 135:72 136:259 137:243 138:343
139:189 140:201 141:320 142:532 143:404 144:534
145:92 146:528 147:426 148:664 149:351 150:153
151:585 152:412 153:191 154:29 155:422 156:275
157:401 158:276 159:745 160:349 161:447 162:522
163:223 164:581 165:514 166:254 167:598 168:1026
169:126 170:1069 171:188 172:23 173:1574 174:558
175:501 176:1167 177:2126 178:1888 179:71 180:1507
181:598 182:1293 183:422 184:650 185:712 186:2347
187:1379 188:1894 189:1302 190:6849 192:6824 193:5622
194:4712 195:3592 196:1337 197:997 198:4573 199:5382
200:6006 201:2442 202:8836 203:8880 204:4515 205:2594
206:2826 207:2894 208:4012 209:3601 210:2940 211:1534
212:2239 213:2034 214:910 215:99 216:5251 217:1639
218:617 219:331 220:1275 221:551 222:318 223:462
End of report
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