Routing Table Report 04:00 +10GMT Thu 08 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 462943
Prefixes after maximum aggregation: 187050
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 228876
Total ASes present in the Internet Routing Table: 44646
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 34937
Origin ASes announcing only one prefix: 16202
Transit ASes present in the Internet Routing Table: 5882
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: 4103
Unregistered ASNs in the Routing Table: 1406
Number of 32-bit ASNs allocated by the RIRs: 4930
Number of 32-bit ASNs visible in the Routing Table: 3827
Prefixes from 32-bit ASNs in the Routing Table: 11517
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 295
Number of addresses announced to Internet: 2631443052
Equivalent to 156 /8s, 216 /16s and 162 /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: 162504
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111234
Total APNIC prefixes after maximum aggregation: 33939
APNIC Deaggregation factor: 3.28
Prefixes being announced from the APNIC address blocks: 113023
Unique aggregates announced from the APNIC address blocks: 46258
APNIC Region origin ASes present in the Internet Routing Table: 4866
APNIC Prefixes per ASN: 23.23
APNIC Region origin ASes announcing only one prefix: 1221
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: 725405152
Equivalent to 43 /8s, 60 /16s and 205 /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: 160283
Total ARIN prefixes after maximum aggregation: 80662
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160830
Unique aggregates announced from the ARIN address blocks: 74354
ARIN Region origin ASes present in the Internet Routing Table: 15804
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 6001
ARIN Region transit ASes present in the Internet Routing Table: 1651
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: 1067890496
Equivalent to 63 /8s, 166 /16s and 183 /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: 118383
Total RIPE prefixes after maximum aggregation: 60333
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122182
Unique aggregates announced from the RIPE address blocks: 78478
RIPE Region origin ASes present in the Internet Routing Table: 17328
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8214
RIPE Region transit ASes present in the Internet Routing Table: 2820
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: 2380
Number of RIPE addresses announced to Internet: 656730916
Equivalent to 39 /8s, 36 /16s and 235 /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: 49796
Total LACNIC prefixes after maximum aggregation: 9540
LACNIC Deaggregation factor: 5.22
Prefixes being announced from the LACNIC address blocks: 54367
Unique aggregates announced from the LACNIC address blocks: 25577
LACNIC Region origin ASes present in the Internet Routing Table: 1990
LACNIC Prefixes per ASN: 27.32
LACNIC Region origin ASes announcing only one prefix: 578
LACNIC Region transit ASes present in the Internet Routing Table: 366
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: 134443816
Equivalent to 8 /8s, 3 /16s and 115 /24s
Percentage of available LACNIC address space announced: 80.1
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: 11639
Total AfriNIC prefixes after maximum aggregation: 2536
AfriNIC Deaggregation factor: 4.59
Prefixes being announced from the AfriNIC address blocks: 12246
Unique aggregates announced from the AfriNIC address blocks: 3950
AfriNIC Region origin ASes present in the Internet Routing Table: 646
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: 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: 46624768
Equivalent to 2 /8s, 199 /16s and 112 /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 320 111 TPG Internet Pty Ltd
4755 1779 393 197 TATA Communications formerly
9829 1530 1220 49 BSNL National Internet Backbo
9583 1224 92 504 Sify Limited
9498 1175 309 70 BHARTI Airtel Ltd.
4808 1155 2127 333 CNCGROUP IP network: China169
7552 1131 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 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 1380 312 651 Mediacom Communications Corp
7018 1316 11037 829 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 1711 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 968 343 749 Akamai Technologies European
6830 872 2371 430 UPC Distribution Services
13188 842 99 72 Educational Network
8551 773 370 45 Bezeq International
12479 680 796 52 Uni2 Autonomous System
9198 554 343 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 3043 1595 110 NET Servicos de Comunicao S.A
10620 2652 421 228 TVCABLE BOGOTA
7303 1728 1156 221 Telecom Argentina Stet-France
18881 1281 844 20 Global Village Telecom
8151 1280 2760 393 UniNet S.A. de C.V.
27947 835 94 91 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 871 274 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 3043 1595 110 NET Servicos de Comunicao S.A
6389 2981 3689 63 bellsouth.net, inc.
4766 2921 11561 917 Korea Telecom (KIX)
10620 2652 421 228 TVCABLE BOGOTA
17974 2649 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 2044 320 111 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 2652 2424 TVCABLE BOGOTA
4766 2921 2004 Korea Telecom (KIX)
7545 2044 1933 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 1711 1695 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
23.90.4.0/24 30693 Eonix Corporation
23.90.5.0/24 30693 Eonix Corporation
23.90.8.0/24 30693 Eonix Corporation
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.
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 /16:12734 /17:6638 /18:11103
/19:22564 /20:32201 /21:34803 /22:48810 /23:42701 /24:244081
/25:1288 /26:1645 /27:838 /28:44 /29:73 /30:17
/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 1412 1711 Corbina telecom
22773 1303 2002 Cox Communications, Inc.
30036 1241 1380 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1079 2006 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 2:792 3:3 4:19 5:913 6:17
8:596 12:1907 13:2 14:870 15:11 16:3
17:10 18:19 20:17 23:303 24:1768 27:1535
31:1349 32:45 33:2 34:5 36:66 37:1813
38:892 39:2 40:175 41:3283 42:250 44:7
46:1969 47:2 49:658 50:843 52:12 54:37
55:7 57:26 58:1170 59:619 60:332 61:1495
62:1173 63:2005 64:4334 65:2152 66:4194 67:2029
68:1093 69:3287 70:801 71:489 72:1924 74:2514
75:325 76:304 77:1132 78:1051 79:611 80:1288
81:1018 82:649 83:583 84:578 85:1214 86:465
87:1018 88:535 89:1806 90:152 91:5526 92:622
93:1653 94:1958 95:1619 96:591 97:345 98:1032
99:43 100:29 101:594 103:3112 105:524 106:139
107:208 108:520 109:1857 110:945 111:1071 112:568
113:815 114:701 115:1099 116:956 117:800 118:1140
119:1298 120:361 121:849 122:1805 123:1239 124:1368
125:1385 128:634 129:221 130:310 131:667 132:349
133:160 134:273 135:72 136:260 137:241 138:344
139:189 140:200 141:320 142:528 143:387 144:534
145:92 146:533 147:417 148:670 149:351 150:152
151:585 152:411 153:190 154:29 155:421 156:275
157:402 158:276 159:744 160:349 161:456 162:545
163:223 164:581 165:511 166:255 167:601 168:1026
169:126 170:1069 171:188 172:23 173:1582 174:559
175:492 176:1165 177:2120 178:1892 179:80 180:1509
181:602 182:1227 183:421 184:651 185:722 186:2343
187:1388 188:1869 189:1302 190:6844 192:6840 193:5625
194:4715 195:3593 196:1334 197:999 198:4588 199:5387
200:6010 201:2449 202:8845 203:8895 204:4521 205:2597
206:2827 207:2898 208:4002 209:3602 210:2939 211:1531
212:2248 213:2045 214:913 215:100 216:5253 217:1644
218:617 219:330 220:1276 221:551 222:318 223:462
End of report