* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 09 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437971
Prefixes after maximum aggregation: 181217
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 215736
Total ASes present in the Internet Routing Table: 43015
Prefixes per ASN: 10.18
Origin-only ASes present in the Internet Routing Table: 34033
Origin ASes announcing only one prefix: 15909
Transit ASes present in the Internet Routing Table: 5715
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 4.5
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: 134
Number of 32-bit ASNs allocated by the RIRs: 3626
Number of 32-bit ASNs visible in the Routing Table: 3267
Prefixes from 32-bit ASNs in the Routing Table: 8914
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 180
Number of addresses announced to Internet: 2622285196
Equivalent to 156 /8s, 76 /16s and 229 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
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: 154338
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105491
Total APNIC prefixes after maximum aggregation: 32868
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106463
Unique aggregates announced from the APNIC address blocks: 43592
APNIC Region origin ASes present in the Internet Routing Table: 4811
APNIC Prefixes per ASN: 22.13
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: 403
Number of APNIC addresses announced to Internet: 716855296
Equivalent to 42 /8s, 186 /16s and 88 /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: 155155
Total ARIN prefixes after maximum aggregation: 78523
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155832
Unique aggregates announced from the ARIN address blocks: 70759
ARIN Region origin ASes present in the Internet Routing Table: 15371
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5803
ARIN Region transit ASes present in the Internet Routing Table: 1588
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: 1090319232
Equivalent to 64 /8s, 252 /16s and 243 /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: 113033
Total RIPE prefixes after maximum aggregation: 58365
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116063
Unique aggregates announced from the RIPE address blocks: 74404
RIPE Region origin ASes present in the Internet Routing Table: 17037
RIPE Prefixes per ASN: 6.81
RIPE Region origin ASes announcing only one prefix: 8171
RIPE Region transit ASes present in the Internet Routing Table: 2768
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2108
Number of RIPE addresses announced to Internet: 650277092
Equivalent to 38 /8s, 194 /16s and 112 /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: 45475
Total LACNIC prefixes after maximum aggregation: 9040
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 49099
Unique aggregates announced from the LACNIC address blocks: 23158
LACNIC Region origin ASes present in the Internet Routing Table: 1769
LACNIC Prefixes per ASN: 27.76
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: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 733
Number of LACNIC addresses announced to Internet: 121249576
Equivalent to 7 /8s, 58 /16s and 31 /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: 9783
Total AfriNIC prefixes after maximum aggregation: 2368
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 10334
Unique aggregates announced from the AfriNIC address blocks: 3662
AfriNIC Region origin ASes present in the Internet Routing Table: 587
AfriNIC Prefixes per ASN: 17.60
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 43269120
Equivalent to 2 /8s, 148 /16s and 60 /24s
Percentage of available AfriNIC address space announced: 43.0
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 2933 11556 914 Korea Telecom (KIX)
17974 2484 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1818 301 88 TPG Internet Pty Ltd
4755 1665 381 175 TATA Communications formerly
9829 1415 1156 42 BSNL National Internet Backbo
9583 1200 89 502 Sify Limited
7552 1142 1070 12 Vietel Corporation
4808 1123 2040 316 CNCGROUP IP network: China169
9498 1052 309 74 BHARTI Airtel Ltd.
24560 1038 385 161 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 3116 3701 131 bellsouth.net, inc.
7029 2286 1265 212 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1954 2932 131 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
20115 1690 1604 621 Charter Communications
4323 1596 1155 397 Time Warner Telecom
30036 1351 287 699 Mediacom Communications Corp
7018 1299 10550 856 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 1864 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 906 212 230 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 770 96 117 Educational Network
31148 744 38 14 FreeNet ISP
20940 742 245 578 Akamai Technologies European
6830 713 2313 434 UPC Distribution Services
8551 653 367 39 Bezeq International
58113 633 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
28573 2274 1301 70 NET Servicos de Comunicao S.A
10620 2271 387 210 TVCABLE BOGOTA
7303 1674 1139 202 Telecom Argentina Stet-France
8151 1544 2900 365 UniNet S.A. de C.V.
6503 1454 435 67 AVANTEL, S.A.
27947 768 85 94 Telconet S.A
18881 750 716 18 Global Village Telecom
3816 672 309 71 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 880 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 541 958 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 3116 3701 131 bellsouth.net, inc.
4766 2933 11556 914 Korea Telecom (KIX)
17974 2484 829 53 PT TELEKOMUNIKASI INDONESIA
7029 2286 1265 212 Windstream Communications Inc
28573 2274 1301 70 NET Servicos de Comunicao S.A
10620 2271 387 210 TVCABLE BOGOTA
18566 2081 382 180 Covad Communications
22773 1954 2932 131 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
8402 1864 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 2484 2431 PT TELEKOMUNIKASI INDONESIA
28573 2274 2204 NET Servicos de Comunicao S.A
7029 2286 2074 Windstream Communications Inc
10620 2271 2061 TVCABLE BOGOTA
4766 2933 2019 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
8402 1864 1848 Corbina telecom
22773 1954 1823 Cox Communications, Inc.
1785 1946 1822 PaeTec Communications, Inc.
7545 1818 1730 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 /14:858 /15:1549 /16:12497 /17:6554 /18:10923
/19:21610 /20:31075 /21:33046 /22:44287 /23:40762 /24:229792
/25:1302 /26:1692 /27:866 /28:176 /29:74 /30:17
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1772 3116 bellsouth.net, inc.
7029 1642 2286 Windstream Communications Inc
8402 1586 1864 Corbina telecom
22773 1285 1954 Cox Communications, Inc.
30036 1252 1351 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1028 1946 PaeTec Communications, Inc.
6503 980 1454 AVANTEL, S.A.
7011 954 1206 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:691 2:779 3:3 4:13 5:705 6:3
8:480 12:1936 13:3 14:699 15:11 16:3
17:6 20:27 23:223 24:1794 27:1472 31:1373
32:54 33:2 34:2 36:11 37:1166 38:841
39:2 40:139 41:2643 42:180 44:3 46:1724
47:3 49:525 50:649 52:12 54:28 55:10
57:28 58:1073 59:561 60:235 61:1315 62:1036
63:2043 64:4304 65:2179 66:4278 67:2119 68:1131
69:3308 70:864 71:543 72:1889 74:2545 75:407
76:296 77:1051 78:1036 79:545 80:1226 81:981
82:655 83:535 84:530 85:1166 86:467 87:973
88:359 89:1746 90:303 91:5380 92:605 93:1615
94:1990 95:1663 96:489 97:337 98:969 99:52
100:31 101:299 103:1971 105:516 106:125 107:207
108:507 109:1746 110:841 111:993 112:470 113:739
114:680 115:911 116:903 117:776 118:963 119:1275
120:375 121:707 122:1725 123:1177 124:1313 125:1303
128:813 129:201 130:309 131:646 132:319 133:142
134:254 135:62 136:210 137:238 138:341 139:160
140:182 141:300 142:514 143:375 144:482 145:89
146:520 147:308 148:733 149:334 150:160 151:256
152:398 153:188 154:24 155:444 156:232 157:379
158:257 159:691 160:335 161:421 162:367 163:193
164:582 165:461 166:458 167:569 168:1007 169:131
170:1002 171:161 172:4 173:1520 174:751 175:471
176:953 177:1519 178:1704 180:1369 181:189 182:1150
183:296 184:656 185:157 186:2175 187:1446 188:1922
189:1566 190:6214 192:6114 193:5717 194:4491 195:3593
196:1256 197:294 198:4062 199:5177 200:6026 201:2028
202:8781 203:8726 204:4483 205:2542 206:2800 207:2775
208:4069 209:3540 210:2902 211:1561 212:1997 213:1884
214:884 215:91 216:5056 217:1582 218:597 219:324
220:1264 221:548 222:324 223:399
End of report
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