Routing Table Report 04:00 +10GMT Thu 16 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 454552
Prefixes after maximum aggregation: 185375
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 224470
Total ASes present in the Internet Routing Table: 44087
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 34606
Origin ASes announcing only one prefix: 16110
Transit ASes present in the Internet Routing Table: 5844
Transit-only ASes present in the Internet Routing Table: 152
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 319
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 4767
Number of 32-bit ASNs visible in the Routing Table: 3637
Prefixes from 32-bit ASNs in the Routing Table: 10406
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 241
Number of addresses announced to Internet: 2615220940
Equivalent to 155 /8s, 225 /16s and 26 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.5
Total number of prefixes smaller than registry allocations: 160203
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108945
Total APNIC prefixes after maximum aggregation: 33462
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110311
Unique aggregates announced from the APNIC address blocks: 44976
APNIC Region origin ASes present in the Internet Routing Table: 4840
APNIC Prefixes per ASN: 22.79
APNIC Region origin ASes announcing only one prefix: 1226
APNIC Region transit ASes present in the Internet Routing Table: 823
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 527
Number of APNIC addresses announced to Internet: 721157344
Equivalent to 42 /8s, 251 /16s and 252 /24s
Percentage of available APNIC address space announced: 84.3
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: 159665
Total ARIN prefixes after maximum aggregation: 80312
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160286
Unique aggregates announced from the ARIN address blocks: 73337
ARIN Region origin ASes present in the Internet Routing Table: 15698
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5977
ARIN Region transit ASes present in the Internet Routing Table: 1632
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 19
Number of ARIN addresses announced to Internet: 1061785728
Equivalent to 63 /8s, 73 /16s and 144 /24s
Percentage of available ARIN address space announced: 56.2
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, 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: 117147
Total RIPE prefixes after maximum aggregation: 59802
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120702
Unique aggregates announced from the RIPE address blocks: 77936
RIPE Region origin ASes present in the Internet Routing Table: 17173
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8145
RIPE Region transit ASes present in the Internet Routing Table: 2804
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: 2323
Number of RIPE addresses announced to Internet: 656526948
Equivalent to 39 /8s, 33 /16s and 206 /24s
Percentage of available RIPE address space announced: 95.4
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: 47483
Total LACNIC prefixes after maximum aggregation: 9265
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 51630
Unique aggregates announced from the LACNIC address blocks: 24120
LACNIC Region origin ASes present in the Internet Routing Table: 1935
LACNIC Prefixes per ASN: 26.68
LACNIC Region origin ASes announcing only one prefix: 577
LACNIC Region transit ASes present in the Internet Routing Table: 356
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 762
Number of LACNIC addresses announced to Internet: 128990216
Equivalent to 7 /8s, 176 /16s and 60 /24s
Percentage of available LACNIC address space announced: 76.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 262144-263167 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: 10819
Total AfriNIC prefixes after maximum aggregation: 2494
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11382
Unique aggregates announced from the AfriNIC address blocks: 3878
AfriNIC Region origin ASes present in the Internet Routing Table: 625
AfriNIC Prefixes per ASN: 18.21
AfriNIC Region origin ASes announcing only one prefix: 185
AfriNIC Region transit ASes present in the Internet Routing Table: 135
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46403840
Equivalent to 2 /8s, 196 /16s and 17 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2959 11559 924 Korea Telecom (KIX)
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1981 320 109 TPG Internet Pty Ltd
4755 1727 391 192 TATA Communications formerly
9829 1509 1205 40 BSNL National Internet Backbo
9583 1218 91 501 Sify Limited
7552 1172 1064 12 Vietel Corporation
4808 1120 2113 328 CNCGROUP IP network: China169
9498 1104 309 71 BHARTI Airtel Ltd.
24560 1069 393 166 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 3021 3693 82 bellsouth.net, inc.
7029 2143 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1992 677 124 PaeTec Communications, Inc.
22773 1972 2929 125 Cox Communications, Inc.
20115 1668 1608 617 Charter Communications
4323 1612 1139 399 Time Warner Telecom
30036 1325 295 645 Mediacom Communications Corp
7018 1312 10819 849 AT&T WorldNet Services
11492 1246 228 320 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 1831 544 16 Corbina telecom
2118 1349 97 13 EUnet/RELCOM Autonomous Syste
34984 1200 240 226 BILISIM TELEKOM
20940 829 286 657 Akamai Technologies European
13188 817 97 100 Educational Network
31148 789 39 20 FreeNet ISP
6830 770 2376 443 UPC Distribution Services
8551 770 370 43 Bezeq International
12479 683 782 67 Uni2 Autonomous System
34744 676 173 56 SC GVM SISTEM 2003 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 2735 1526 112 NET Servicos de Comunicao S.A
10620 2630 412 223 TVCABLE BOGOTA
7303 1726 1154 223 Telecom Argentina Stet-France
8151 1241 2701 391 UniNet S.A. de C.V.
6503 971 435 68 AVANTEL, S.A.
18881 934 780 19 Global Village Telecom
27947 834 89 99 Telconet S.A
3816 706 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 611 87 66 Servicios Alestra S.A de C.V
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 1237 80 4 MOBITEL
24863 888 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 455 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 189 527 22 Etisalat MISR
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
6389 3021 3693 82 bellsouth.net, inc.
4766 2959 11559 924 Korea Telecom (KIX)
28573 2735 1526 112 NET Servicos de Comunicao S.A
10620 2630 412 223 TVCABLE BOGOTA
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
7029 2143 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1992 677 124 PaeTec Communications, Inc.
7545 1981 320 109 TPG Internet Pty Ltd
22773 1972 2929 125 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2735 2623 NET Servicos de Comunicao S.A
17974 2513 2423 PT TELEKOMUNIKASI INDONESIA
10620 2630 2407 TVCABLE BOGOTA
4766 2959 2035 Korea Telecom (KIX)
7029 2143 1932 Windstream Communications Inc
18566 2067 1883 Covad Communications
7545 1981 1872 TPG Internet Pty Ltd
1785 1992 1868 PaeTec Communications, Inc.
22773 1972 1847 Cox Communications, Inc.
8402 1831 1815 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
26064 UNALLOCATED 12.149.37.0/24 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 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.52.0/24 60906 NETOPIA SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys
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
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.
64.185.231.0/24 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 /9:13 /10:29 /11:88 /12:250
/13:490 /14:883 /15:1567 /16:12683 /17:6625 /18:11177
/19:22105 /20:32038 /21:34133 /22:47330 /23:42145 /24:238850
/25:1359 /26:1755 /27:867 /28:44 /29:68 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1733 3021 bellsouth.net, inc.
7029 1611 2143 Windstream Communications Inc
8402 1531 1831 Corbina telecom
22773 1282 1972 Cox Communications, Inc.
36998 1231 1237 MOBITEL
11492 1205 1246 Cable One
30036 1196 1325 Mediacom Communications Corp
1785 1062 1992 PaeTec Communications, Inc.
6983 1007 1133 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:807 2:812 3:3 4:15 5:875 6:7
8:559 12:1930 13:3 14:822 15:11 16:3
17:10 20:17 23:276 24:1770 27:1512 31:1283
32:43 33:2 34:5 36:28 37:1829 38:875
39:2 40:172 41:2790 42:191 44:6 46:1900
47:2 49:634 50:696 52:12 54:35 55:8
57:26 58:1139 59:571 60:313 61:1392 62:1090
63:2027 64:4324 65:2196 66:4363 67:2046 68:1129
69:3281 70:880 71:537 72:1923 74:2559 75:415
76:307 77:1108 78:1048 79:590 80:1268 81:993
82:622 83:557 84:528 85:1152 86:461 87:978
88:536 89:1789 90:160 91:5476 92:586 93:1714
94:1852 95:1491 96:527 97:344 98:1052 99:41
100:30 101:329 103:2586 105:535 106:146 107:209
108:520 109:1844 110:876 111:1055 112:513 113:792
114:712 115:943 116:906 117:791 118:1068 119:1292
120:407 121:725 122:1788 123:1185 124:1351 125:1344
128:634 129:226 130:324 131:653 132:340 133:149
134:261 135:66 136:221 137:265 138:345 139:197
140:207 141:327 142:548 143:394 144:488 145:92
146:514 147:408 148:674 149:372 150:158 151:568
152:418 153:198 154:43 155:394 156:263 157:399
158:276 159:724 160:358 161:428 162:429 163:234
164:593 165:451 166:300 167:585 168:1033 169:133
170:1031 171:178 172:22 173:1670 174:593 175:478
176:1292 177:1971 178:1875 179:5 180:1430 181:380
182:1201 183:389 184:676 185:438 186:2308 187:1306
188:2126 189:1317 190:6322 192:6649 193:5863 194:4672
195:3417 196:1330 197:901 198:4456 199:5285 200:5933
201:2231 202:8839 203:8832 204:4511 205:2560 206:2857
207:2893 208:4074 209:3632 210:2941 211:1560 212:2119
213:1943 214:914 215:97 216:5236 217:1582 218:617
219:330 220:1279 221:554 222:319 223:443
End of report