* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 10 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437436
Prefixes after maximum aggregation: 181135
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215730
Total ASes present in the Internet Routing Table: 42990
Prefixes per ASN: 10.18
Origin-only ASes present in the Internet Routing Table: 34007
Origin ASes announcing only one prefix: 15898
Transit ASes present in the Internet Routing Table: 5714
Transit-only ASes present in the Internet Routing Table: 139
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: 372
Unregistered ASNs in the Routing Table: 128
Number of 32-bit ASNs allocated by the RIRs: 3629
Number of 32-bit ASNs visible in the Routing Table: 3269
Prefixes from 32-bit ASNs in the Routing Table: 8907
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 2621588876
Equivalent to 156 /8s, 66 /16s and 69 /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: 154294
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105402
Total APNIC prefixes after maximum aggregation: 32854
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106380
Unique aggregates announced from the APNIC address blocks: 43534
APNIC Region origin ASes present in the Internet Routing Table: 4810
APNIC Prefixes per ASN: 22.12
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 802
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 405
Number of APNIC addresses announced to Internet: 717165824
Equivalent to 42 /8s, 191 /16s and 21 /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: 155149
Total ARIN prefixes after maximum aggregation: 78533
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155814
Unique aggregates announced from the ARIN address blocks: 70791
ARIN Region origin ASes present in the Internet Routing Table: 15378
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5811
ARIN Region transit ASes present in the Internet Routing Table: 1587
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: 1090543744
Equivalent to 65 /8s, 0 /16s and 96 /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: 113038
Total RIPE prefixes after maximum aggregation: 58369
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116083
Unique aggregates announced from the RIPE address blocks: 74411
RIPE Region origin ASes present in the Internet Routing Table: 17023
RIPE Prefixes per ASN: 6.82
RIPE Region origin ASes announcing only one prefix: 8162
RIPE Region transit ASes present in the Internet Routing Table: 2772
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: 2114
Number of RIPE addresses announced to Internet: 650250980
Equivalent to 38 /8s, 194 /16s and 10 /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: 44967
Total LACNIC prefixes after maximum aggregation: 8952
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 48581
Unique aggregates announced from the LACNIC address blocks: 23118
LACNIC Region origin ASes present in the Internet Routing Table: 1753
LACNIC Prefixes per ASN: 27.71
LACNIC Region origin ASes announcing only one prefix: 495
LACNIC Region transit ASes present in the Internet Routing Table: 336
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: 727
Number of LACNIC addresses announced to Internet: 119864872
Equivalent to 7 /8s, 36 /16s and 254 /24s
Percentage of available LACNIC address space announced: 71.4
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: 9853
Total AfriNIC prefixes after maximum aggregation: 2374
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 10405
Unique aggregates announced from the AfriNIC address blocks: 3722
AfriNIC Region origin ASes present in the Internet Routing Table: 587
AfriNIC Prefixes per ASN: 17.73
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 43469824
Equivalent to 2 /8s, 151 /16s and 76 /24s
Percentage of available AfriNIC address space announced: 43.2
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 2932 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 1412 1156 42 BSNL National Internet Backbo
9583 1200 89 502 Sify Limited
4808 1123 2040 316 CNCGROUP IP network: China169
7552 1106 1070 12 Vietel Corporation
9498 1052 309 74 BHARTI Airtel Ltd.
24560 1037 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 3116 3701 131 bellsouth.net, inc.
7029 2288 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 1353 287 693 Mediacom Communications Corp
7018 1297 10550 855 AT&T WorldNet Services
7011 1205 320 684 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 1872 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 743 38 13 FreeNet ISP
20940 738 243 574 Akamai Technologies European
6830 713 2313 434 UPC Distribution Services
8551 654 367 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
10620 2271 387 210 TVCABLE BOGOTA
28573 2160 1303 73 NET Servicos de Comunicao S.A
7303 1674 1139 202 Telecom Argentina Stet-France
6503 1452 435 67 AVANTEL, S.A.
8151 1415 2900 362 UniNet S.A. de C.V.
27947 769 85 95 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 540 958 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 2932 11556 914 Korea Telecom (KIX)
17974 2484 829 53 PT TELEKOMUNIKASI INDONESIA
7029 2288 1265 212 Windstream Communications Inc
10620 2271 387 210 TVCABLE BOGOTA
28573 2160 1303 73 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1954 2932 131 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
8402 1872 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 2160 2087 NET Servicos de Comunicao S.A
7029 2288 2076 Windstream Communications Inc
10620 2271 2061 TVCABLE BOGOTA
4766 2932 2018 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
8402 1872 1856 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 /14:859 /15:1550 /16:12486 /17:6553 /18:10912
/19:21588 /20:31003 /21:33047 /22:44188 /23:40713 /24:229651
/25:1304 /26:1691 /27:868 /28:42 /29:73 /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 1644 2288 Windstream Communications Inc
8402 1595 1872 Corbina telecom
22773 1285 1954 Cox Communications, Inc.
30036 1253 1353 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1028 1946 PaeTec Communications, Inc.
6503 979 1452 AVANTEL, S.A.
7011 954 1205 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:693 2:773 3:3 4:13 5:704 6:3
8:480 12:1928 13:3 14:701 15:11 16:3
17:6 20:27 23:222 24:1794 27:1472 31:1376
32:54 33:2 34:2 36:11 37:1168 38:838
39:2 40:139 41:2653 42:180 44:3 46:1722
47:3 49:529 50:651 52:12 54:28 55:9
57:28 58:1073 59:559 60:234 61:1319 62:1032
63:2040 64:4304 65:2172 66:4277 67:2122 68:1131
69:3310 70:864 71:543 72:1887 74:2549 75:407
76:296 77:1053 78:1038 79:538 80:1222 81:976
82:655 83:536 84:529 85:1168 86:467 87:974
88:359 89:1744 90:303 91:5386 92:613 93:1624
94:1993 95:1671 96:489 97:337 98:969 99:52
100:31 101:300 103:1970 105:583 106:125 107:208
108:503 109:1747 110:839 111:998 112:470 113:737
114:680 115:913 116:903 117:777 118:960 119:1280
120:332 121:703 122:1731 123:1175 124:1316 125:1303
128:812 129:202 130:309 131:646 132:313 133:142
134:254 135:62 136:216 137:237 138:342 139:160
140:182 141:300 142:513 143:384 144:485 145:89
146:518 147:304 148:730 149:334 150:162 151:257
152:398 153:188 154:24 155:444 156:233 157:379
158:257 159:692 160:335 161:421 162:367 163:193
164:582 165:461 166:458 167:569 168:1007 169:131
170:1001 171:162 172:4 173:1521 174:752 175:416
176:955 177:1523 178:1707 180:1367 181:190 182:1157
183:296 184:655 185:159 186:2168 187:1446 188:1923
189:1561 190:6230 192:6112 193:5719 194:4493 195:3592
196:1252 197:295 198:4067 199:5175 200:5914 201:2024
202:8781 203:8730 204:4471 205:2542 206:2788 207:2776
208:4067 209:3541 210:2902 211:1561 212:1997 213:1884
214:885 215:90 216:5053 217:1580 218:597 219:324
220:1264 221:528 222:316 223:401
End of report
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