Routing Table Report 04:00 +10GMT Sun 11 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 462403
Prefixes after maximum aggregation: 186864
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 229171
Total ASes present in the Internet Routing Table: 44658
Prefixes per ASN: 10.35
Origin-only ASes present in the Internet Routing Table: 34947
Origin ASes announcing only one prefix: 16176
Transit ASes present in the Internet Routing Table: 5876
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: 4168
Unregistered ASNs in the Routing Table: 1436
Number of 32-bit ASNs allocated by the RIRs: 4935
Number of 32-bit ASNs visible in the Routing Table: 3835
Prefixes from 32-bit ASNs in the Routing Table: 11582
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 273
Number of addresses announced to Internet: 2632913868
Equivalent to 156 /8s, 239 /16s and 19 /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: 162034
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110626
Total APNIC prefixes after maximum aggregation: 33563
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 112415
Unique aggregates announced from the APNIC address blocks: 46286
APNIC Region origin ASes present in the Internet Routing Table: 4856
APNIC Prefixes per ASN: 23.15
APNIC Region origin ASes announcing only one prefix: 1214
APNIC Region transit ASes present in the Internet Routing Table: 824
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: 630
Number of APNIC addresses announced to Internet: 725750080
Equivalent to 43 /8s, 66 /16s and 17 /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: 160158
Total ARIN prefixes after maximum aggregation: 80758
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160747
Unique aggregates announced from the ARIN address blocks: 74618
ARIN Region origin ASes present in the Internet Routing Table: 15815
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5998
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: 1067771200
Equivalent to 63 /8s, 164 /16s and 229 /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: 118364
Total RIPE prefixes after maximum aggregation: 60406
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122189
Unique aggregates announced from the RIPE address blocks: 78457
RIPE Region origin ASes present in the Internet Routing Table: 17327
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8202
RIPE Region transit ASes present in the Internet Routing Table: 2811
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: 2383
Number of RIPE addresses announced to Internet: 656819236
Equivalent to 39 /8s, 38 /16s and 68 /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: 49961
Total LACNIC prefixes after maximum aggregation: 9564
LACNIC Deaggregation factor: 5.22
Prefixes being announced from the LACNIC address blocks: 54553
Unique aggregates announced from the LACNIC address blocks: 25598
LACNIC Region origin ASes present in the Internet Routing Table: 1991
LACNIC Prefixes per ASN: 27.40
LACNIC Region origin ASes announcing only one prefix: 574
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: 797
Number of LACNIC addresses announced to Internet: 134595368
Equivalent to 8 /8s, 5 /16s and 195 /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: 11626
Total AfriNIC prefixes after maximum aggregation: 2533
AfriNIC Deaggregation factor: 4.59
Prefixes being announced from the AfriNIC address blocks: 12226
Unique aggregates announced from the AfriNIC address blocks: 3958
AfriNIC Region origin ASes present in the Internet Routing Table: 646
AfriNIC Prefixes per ASN: 18.93
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: 46603264
Equivalent to 2 /8s, 199 /16s and 28 /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 2922 11561 917 Korea Telecom (KIX)
17974 2649 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2053 320 111 TPG Internet Pty Ltd
4755 1779 393 197 TATA Communications formerly
9829 1537 1221 45 BSNL National Internet Backbo
9583 1224 92 504 Sify Limited
9498 1176 309 70 BHARTI Airtel Ltd.
4808 1155 2127 333 CNCGROUP IP network: China169
7552 1139 1080 13 Vietel Corporation
24560 1088 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 2980 3689 63 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 2006 679 125 PaeTec Communications, Inc.
22773 2004 2927 123 Cox Communications, Inc.
20115 1674 1640 621 Charter Communications
4323 1623 1106 408 Time Warner Telecom
701 1522 11104 799 UUNET Technologies, Inc.
30036 1357 305 655 Mediacom Communications Corp
7018 1320 11293 834 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 1629 544 16 Corbina telecom
34984 1299 244 221 BILISIM TELEKOM
2118 1159 97 13 EUnet/RELCOM Autonomous Syste
31148 978 43 17 FreeNet ISP
20940 973 348 749 Akamai Technologies European
6830 871 2371 429 UPC Distribution Services
13188 843 99 70 Educational Network
8551 771 370 45 Bezeq International
12479 681 797 53 Uni2 Autonomous System
9198 570 343 21 Kazakhtelecom Data Network Ad
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 3038 1595 110 NET Servicos de Comunicao S.A
10620 2654 422 231 TVCABLE BOGOTA
7303 1730 1157 220 Telecom Argentina Stet-France
18881 1285 844 20 Global Village Telecom
8151 1278 2760 394 UniNet S.A. de C.V.
11830 946 364 15 Instituto Costarricense de El
27947 837 94 91 Telconet S.A
6503 817 434 63 AVANTEL, S.A.
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 872 274 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 215 527 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 3038 1595 110 NET Servicos de Comunicao S.A
6389 2980 3689 63 bellsouth.net, inc.
4766 2922 11561 917 Korea Telecom (KIX)
10620 2654 422 231 TVCABLE BOGOTA
17974 2649 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 2053 320 111 TPG Internet Pty Ltd
1785 2006 679 125 PaeTec Communications, Inc.
22773 2004 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 2980 2917 bellsouth.net, inc.
17974 2649 2557 PT TELEKOMUNIKASI INDONESIA
10620 2654 2423 TVCABLE BOGOTA
4766 2922 2005 Korea Telecom (KIX)
7545 2053 1942 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 2006 1881 PaeTec Communications, Inc.
22773 2004 1881 Cox Communications, Inc.
36998 1861 1856 MOBITEL
8402 1629 1613 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
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.112.0.0/12 7018 AT&T WorldNet Services
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.
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
/13:480 /14:907 /15:1605 /16:12730 /17:6645 /18:11033
/19:22529 /20:32238 /21:34787 /22:48758 /23:42737 /24:244335
/25:1043 /26:1424 /27:598 /28:43 /29:75 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1826 1861 MOBITEL
6389 1714 2980 bellsouth.net, inc.
8402 1329 1629 Corbina telecom
22773 1304 2004 Cox Communications, Inc.
30036 1220 1357 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1079 2006 PaeTec Communications, Inc.
6983 1021 1149 ITC^Deltacom
10620 986 2654 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:801 2:752 3:3 4:19 5:914 6:17
8:598 12:1903 13:2 14:869 15:11 16:3
17:10 18:19 20:17 23:303 24:1772 27:1535
31:1346 32:45 33:2 34:5 36:67 37:1803
38:891 39:2 40:180 41:3280 42:258 44:9
46:1962 47:3 49:658 50:839 52:12 54:37
55:6 57:26 58:1170 59:639 60:332 61:1494
62:1179 63:2007 64:4342 65:2158 66:4200 67:2039
68:1091 69:3305 70:800 71:488 72:1917 74:2508
75:325 76:302 77:1133 78:1015 79:614 80:1294
81:1018 82:650 83:584 84:566 85:1213 86:472
87:1039 88:535 89:1809 90:152 91:5538 92:618
93:1654 94:1973 95:1607 96:591 97:346 98:1029
99:43 100:29 101:595 103:3119 105:524 106:139
107:208 108:520 109:1855 110:942 111:1070 112:569
113:810 114:701 115:1097 116:955 117:800 118:1141
119:1296 120:360 121:848 122:1807 123:1243 124:1370
125:1400 128:636 129:220 130:310 131:666 132:349
133:160 134:274 135:72 136:258 137:242 138:344
139:189 140:201 141:320 142:532 143:388 144:533
145:93 146:534 147:415 148:674 149:350 150:155
151:591 152:413 153:191 154:29 155:414 156:273
157:402 158:276 159:744 160:349 161:456 162:554
163:222 164:582 165:528 166:255 167:601 168:1027
169:126 170:1058 171:188 172:23 173:1586 174:557
175:492 176:1166 177:2136 178:1905 179:83 180:1511
181:618 182:1228 183:419 184:652 185:738 186:2363
187:1388 188:1844 189:1279 190:6858 192:6867 193:5622
194:4716 195:3597 196:1327 197:994 198:4583 199:5379
200:5998 201:2619 202:8839 203:8889 204:4519 205:2592
206:2832 207:2901 208:4004 209:3595 210:2940 211:1532
212:2250 213:2044 214:916 215:101 216:5266 217:1644
218:619 219:331 220:1279 221:551 222:321 223:462
End of report