Routing Table Report 04:00 +10GMT Fri 09 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 462961
Prefixes after maximum aggregation: 187116
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 229008
Total ASes present in the Internet Routing Table: 44644
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 34932
Origin ASes announcing only one prefix: 16181
Transit ASes present in the Internet Routing Table: 5876
Transit-only ASes present in the Internet Routing Table: 158
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: 4102
Unregistered ASNs in the Routing Table: 1393
Number of 32-bit ASNs allocated by the RIRs: 4933
Number of 32-bit ASNs visible in the Routing Table: 3836
Prefixes from 32-bit ASNs in the Routing Table: 11568
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 276
Number of addresses announced to Internet: 2631734636
Equivalent to 156 /8s, 221 /16s and 21 /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: 162441
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111304
Total APNIC prefixes after maximum aggregation: 33962
APNIC Deaggregation factor: 3.28
Prefixes being announced from the APNIC address blocks: 113115
Unique aggregates announced from the APNIC address blocks: 46296
APNIC Region origin ASes present in the Internet Routing Table: 4862
APNIC Prefixes per ASN: 23.27
APNIC Region origin ASes announcing only one prefix: 1216
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: 632
Number of APNIC addresses announced to Internet: 725631712
Equivalent to 43 /8s, 64 /16s and 66 /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: 160255
Total ARIN prefixes after maximum aggregation: 80665
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160834
Unique aggregates announced from the ARIN address blocks: 74496
ARIN Region origin ASes present in the Internet Routing Table: 15807
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5998
ARIN Region transit ASes present in the Internet Routing Table: 1651
Average ARIN Region AS path length visible: 4.2
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: 1067775808
Equivalent to 63 /8s, 164 /16s and 247 /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: 118370
Total RIPE prefixes after maximum aggregation: 60364
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122160
Unique aggregates announced from the RIPE address blocks: 78456
RIPE Region origin ASes present in the Internet Routing Table: 17316
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8203
RIPE Region transit ASes present in the Internet Routing Table: 2812
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: 656778532
Equivalent to 39 /8s, 37 /16s and 165 /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: 49756
Total LACNIC prefixes after maximum aggregation: 9547
LACNIC Deaggregation factor: 5.21
Prefixes being announced from the LACNIC address blocks: 54354
Unique aggregates announced from the LACNIC address blocks: 25556
LACNIC Region origin ASes present in the Internet Routing Table: 1992
LACNIC Prefixes per ASN: 27.29
LACNIC Region origin ASes announcing only one prefix: 577
LACNIC Region transit ASes present in the Internet Routing Table: 367
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: 796
Number of LACNIC addresses announced to Internet: 134606376
Equivalent to 8 /8s, 5 /16s and 238 /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: 11615
Total AfriNIC prefixes after maximum aggregation: 2536
AfriNIC Deaggregation factor: 4.58
Prefixes being announced from the AfriNIC address blocks: 12222
Unique aggregates announced from the AfriNIC address blocks: 3947
AfriNIC Region origin ASes present in the Internet Routing Table: 645
AfriNIC Prefixes per ASN: 18.95
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 46609920
Equivalent to 2 /8s, 199 /16s and 54 /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 2921 11561 917 Korea Telecom (KIX)
17974 2649 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2044 320 110 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 1175 309 70 BHARTI Airtel Ltd.
7552 1147 1080 13 Vietel Corporation
4808 1146 2111 332 CNCGROUP IP network: China169
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 2981 3689 63 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 2006 679 125 PaeTec Communications, Inc.
22773 2002 2927 123 Cox Communications, Inc.
20115 1673 1624 620 Charter Communications
4323 1622 1106 408 Time Warner Telecom
701 1522 11104 799 UUNET Technologies, Inc.
30036 1378 312 653 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 1698 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 969 343 746 Akamai Technologies European
6830 871 2371 429 UPC Distribution Services
13188 839 98 77 Educational Network
8551 772 370 45 Bezeq International
12479 680 796 52 Uni2 Autonomous System
9198 595 343 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 3030 1595 110 NET Servicos de Comunicao S.A
10620 2654 421 224 TVCABLE BOGOTA
7303 1729 1156 221 Telecom Argentina Stet-France
18881 1286 844 20 Global Village Telecom
8151 1281 2760 393 UniNet S.A. de C.V.
27947 837 94 91 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 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 3030 1595 110 NET Servicos de Comunicao S.A
6389 2981 3689 63 bellsouth.net, inc.
4766 2921 11561 917 Korea Telecom (KIX)
10620 2654 421 224 TVCABLE BOGOTA
17974 2649 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 2044 320 110 TPG Internet Pty Ltd
1785 2006 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 2649 2557 PT TELEKOMUNIKASI INDONESIA
10620 2654 2430 TVCABLE BOGOTA
4766 2921 2004 Korea Telecom (KIX)
7545 2044 1934 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 2006 1881 PaeTec Communications, Inc.
22773 2002 1879 Cox Communications, Inc.
36998 1861 1856 MOBITEL
8402 1698 1682 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
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 /14:906 /15:1603 /16:12725 /17:6640 /18:11103
/19:22584 /20:32232 /21:34804 /22:48852 /23:42683 /24:244019
/25:1290 /26:1648 /27:839 /28:44 /29:75 /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 1399 1698 Corbina telecom
22773 1303 2002 Cox Communications, Inc.
30036 1239 1378 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1079 2006 PaeTec Communications, Inc.
6983 1021 1149 ITC^Deltacom
10620 987 2654 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:803 2:783 3:3 4:19 5:911 6:17
8:596 12:1902 13:2 14:870 15:11 16:3
17:10 18:19 20:17 23:303 24:1772 27:1537
31:1347 32:45 33:2 34:5 36:66 37:1794
38:892 39:2 40:175 41:3278 42:258 44:7
46:1969 47:2 49:658 50:844 52:12 54:37
55:6 57:26 58:1170 59:619 60:332 61:1495
62:1176 63:2006 64:4336 65:2152 66:4198 67:2038
68:1091 69:3301 70:801 71:489 72:1921 74:2510
75:324 76:304 77:1133 78:1050 79:613 80:1290
81:1018 82:649 83:583 84:568 85:1217 86:465
87:1018 88:537 89:1806 90:152 91:5526 92:623
93:1658 94:1968 95:1617 96:592 97:345 98:1030
99:43 100:29 101:595 103:3113 105:524 106:139
107:208 108:520 109:1856 110:945 111:1070 112:568
113:812 114:700 115:1094 116:955 117:800 118:1141
119:1298 120:361 121:848 122:1808 123:1242 124:1370
125:1398 128:636 129:221 130:310 131:664 132:349
133:160 134:272 135:72 136:259 137:243 138:344
139:189 140:200 141:320 142:533 143:388 144:533
145:92 146:533 147:420 148:675 149:352 150:155
151:586 152:412 153:191 154:29 155:416 156:274
157:402 158:276 159:744 160:349 161:455 162:547
163:223 164:582 165:517 166:254 167:601 168:1026
169:126 170:1070 171:188 172:23 173:1583 174:557
175:493 176:1162 177:2148 178:1906 179:80 180:1512
181:598 182:1229 183:420 184:652 185:729 186:2370
187:1383 188:1852 189:1281 190:6829 192:6841 193:5620
194:4715 195:3594 196:1330 197:998 198:4592 199:5382
200:5991 201:2413 202:8837 203:8888 204:4514 205:2594
206:2826 207:2898 208:3996 209:3600 210:2940 211:1530
212:2244 213:2045 214:922 215:101 216:5257 217:1638
218:618 219:331 220:1274 221:551 222:321 223:462
End of report