* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 14 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437567
Prefixes after maximum aggregation: 181428
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215745
Total ASes present in the Internet Routing Table: 43011
Prefixes per ASN: 10.17
Origin-only ASes present in the Internet Routing Table: 34020
Origin ASes announcing only one prefix: 15899
Transit ASes present in the Internet Routing Table: 5716
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 31
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 379
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 3650
Number of 32-bit ASNs visible in the Routing Table: 3275
Prefixes from 32-bit ASNs in the Routing Table: 8950
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 183
Number of addresses announced to Internet: 2624024460
Equivalent to 156 /8s, 103 /16s and 111 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.1
Total number of prefixes smaller than registry allocations: 154235
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105181
Total APNIC prefixes after maximum aggregation: 32891
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 106166
Unique aggregates announced from the APNIC address blocks: 43541
APNIC Region origin ASes present in the Internet Routing Table: 4805
APNIC Prefixes per ASN: 22.09
APNIC Region origin ASes announcing only one prefix: 1244
APNIC Region transit ASes present in the Internet Routing Table: 805
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 402
Number of APNIC addresses announced to Internet: 717103360
Equivalent to 42 /8s, 190 /16s and 33 /24s
Percentage of available APNIC address space announced: 83.8
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: 155181
Total ARIN prefixes after maximum aggregation: 78543
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155791
Unique aggregates announced from the ARIN address blocks: 70783
ARIN Region origin ASes present in the Internet Routing Table: 15377
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5802
ARIN Region transit ASes present in the Internet Routing Table: 1584
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1090973568
Equivalent to 65 /8s, 6 /16s and 239 /24s
Percentage of available ARIN address space announced: 57.7
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: 112729
Total RIPE prefixes after maximum aggregation: 58447
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115714
Unique aggregates announced from the RIPE address blocks: 74249
RIPE Region origin ASes present in the Internet Routing Table: 17025
RIPE Prefixes per ASN: 6.80
RIPE Region origin ASes announcing only one prefix: 8162
RIPE Region transit ASes present in the Internet Routing Table: 2774
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2117
Number of RIPE addresses announced to Internet: 650310372
Equivalent to 38 /8s, 194 /16s and 242 /24s
Percentage of available RIPE address space announced: 94.5
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: 45503
Total LACNIC prefixes after maximum aggregation: 9114
LACNIC Deaggregation factor: 4.99
Prefixes being announced from the LACNIC address blocks: 49167
Unique aggregates announced from the LACNIC address blocks: 23217
LACNIC Region origin ASes present in the Internet Routing Table: 1773
LACNIC Prefixes per ASN: 27.73
LACNIC Region origin ASes announcing only one prefix: 504
LACNIC Region transit ASes present in the Internet Routing Table: 337
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 733
Number of LACNIC addresses announced to Internet: 121279528
Equivalent to 7 /8s, 58 /16s and 148 /24s
Percentage of available LACNIC address space announced: 72.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
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: 9896
Total AfriNIC prefixes after maximum aggregation: 2381
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 10546
Unique aggregates announced from the AfriNIC address blocks: 3791
AfriNIC Region origin ASes present in the Internet Routing Table: 588
AfriNIC Prefixes per ASN: 17.94
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 44059904
Equivalent to 2 /8s, 160 /16s and 77 /24s
Percentage of available AfriNIC address space announced: 43.8
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 2952 11556 921 Korea Telecom (KIX)
17974 2483 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1731 301 88 TPG Internet Pty Ltd
4755 1664 381 175 TATA Communications formerly
9829 1422 1156 42 BSNL National Internet Backbo
9583 1200 89 502 Sify Limited
7552 1145 1070 12 Vietel Corporation
4808 1125 2040 316 CNCGROUP IP network: China169
9498 1051 310 74 BHARTI Airtel Ltd.
24560 1036 385 160 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 3109 3701 127 bellsouth.net, inc.
7029 2287 1265 212 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1956 2932 131 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
20115 1687 1607 624 Charter Communications
4323 1597 1155 396 Time Warner Telecom
30036 1357 288 697 Mediacom Communications Corp
7018 1303 10550 861 AT&T WorldNet Services
7011 1206 321 685 Citizens Utilities
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 1825 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 909 212 233 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 772 96 112 Educational Network
31148 744 38 14 FreeNet ISP
20940 721 240 571 Akamai Technologies European
6830 713 2313 434 UPC Distribution Services
8551 655 367 39 Bezeq International
58113 634 70 378 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
10620 2275 388 212 TVCABLE BOGOTA
28573 2268 1302 78 NET Servicos de Comunicao S.A
7303 1670 1139 204 Telecom Argentina Stet-France
8151 1528 2876 366 UniNet S.A. de C.V.
6503 1454 435 67 AVANTEL, S.A.
27947 771 85 96 Telconet S.A
18881 750 716 18 Global Village Telecom
3816 633 307 92 Empresa Nacional de Telecomun
11172 602 86 66 Servicios Alestra S.A de C.V
7738 587 1242 34 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
24863 887 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 542 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 181 697 88 MTN Network Solutions
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 3109 3701 127 bellsouth.net, inc.
4766 2952 11556 921 Korea Telecom (KIX)
17974 2483 829 53 PT TELEKOMUNIKASI INDONESIA
7029 2287 1265 212 Windstream Communications Inc
10620 2275 388 212 TVCABLE BOGOTA
28573 2268 1302 78 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1956 2932 131 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
8402 1825 544 16 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
17974 2483 2430 PT TELEKOMUNIKASI INDONESIA
28573 2268 2190 NET Servicos de Comunicao S.A
7029 2287 2075 Windstream Communications Inc
10620 2275 2063 TVCABLE BOGOTA
4766 2952 2031 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
22773 1956 1825 Cox Communications, Inc.
1785 1946 1822 PaeTec Communications, Inc.
8402 1825 1809 Corbina telecom
7545 1731 1643 TPG Internet Pty Ltd
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
128.0.24.0/21 41794 Altline LLC
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.66.32.0/20 18864 >>UNKNOWN<<
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.
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 /8:18 /9:13 /10:29 /11:87 /12:245
/13:478 /14:860 /15:1548 /16:12499 /17:6587 /18:10933
/19:21610 /20:31116 /21:33107 /22:44412 /23:40650 /24:229203
/25:1316 /26:1696 /27:873 /28:177 /29:74 /30:17
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1771 3109 bellsouth.net, inc.
7029 1643 2287 Windstream Communications Inc
8402 1548 1825 Corbina telecom
22773 1286 1956 Cox Communications, Inc.
30036 1254 1357 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1028 1946 PaeTec Communications, Inc.
6503 980 1454 AVANTEL, S.A.
7011 955 1206 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:694 2:731 3:3 4:13 5:718 6:3
8:486 12:1924 13:3 14:699 15:11 16:3
17:6 20:27 23:223 24:1795 27:1473 31:1120
32:54 33:2 34:2 36:10 37:1173 38:839
39:2 40:139 41:2658 42:181 44:3 46:1733
47:3 49:536 50:651 52:12 54:28 55:7
57:28 58:1071 59:561 60:213 61:1313 62:1037
63:2037 64:4306 65:2162 66:4296 67:2120 68:1117
69:3311 70:862 71:537 72:1880 74:2547 75:413
76:295 77:1049 78:1037 79:538 80:1220 81:990
82:659 83:537 84:530 85:1165 86:467 87:974
88:359 89:1736 90:303 91:5376 92:609 93:1682
94:1990 95:1529 96:489 97:339 98:970 99:52
100:31 101:287 103:1984 105:583 106:126 107:207
108:503 109:1772 110:840 111:994 112:468 113:743
114:681 115:913 116:900 117:780 118:967 119:1267
120:332 121:701 122:1733 123:1164 124:1315 125:1302
128:556 129:202 130:309 131:646 132:317 133:142
134:255 135:62 136:216 137:234 138:342 139:160
140:216 141:314 142:515 143:371 144:476 145:89
146:522 147:295 148:730 149:335 150:162 151:258
152:399 153:188 154:24 155:448 156:232 157:380
158:257 159:697 160:336 161:422 162:367 163:193
164:586 165:461 166:458 167:570 168:1005 169:131
170:1004 171:162 172:4 173:1519 174:751 175:413
176:1041 177:1542 178:1709 180:1367 181:195 182:1163
183:297 184:637 185:163 186:2190 187:1427 188:1926
189:1569 190:6242 192:6123 193:5722 194:4498 195:3596
196:1245 197:308 198:4070 199:5161 200:5995 201:2044
202:8729 203:8696 204:4475 205:2529 206:2792 207:2770
208:4080 209:3530 210:2881 211:1561 212:2004 213:1883
214:898 215:90 216:5036 217:1584 218:598 219:325
220:1264 221:528 222:324 223:401
End of report
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