* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 08 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437463
Prefixes after maximum aggregation: 180999
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 215497
Total ASes present in the Internet Routing Table: 42969
Prefixes per ASN: 10.18
Origin-only ASes present in the Internet Routing Table: 34005
Origin ASes announcing only one prefix: 15890
Transit ASes present in the Internet Routing Table: 5707
Transit-only ASes present in the Internet Routing Table: 141
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: 373
Unregistered ASNs in the Routing Table: 129
Number of 32-bit ASNs allocated by the RIRs: 3625
Number of 32-bit ASNs visible in the Routing Table: 3257
Prefixes from 32-bit ASNs in the Routing Table: 8891
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 171
Number of addresses announced to Internet: 2620407916
Equivalent to 156 /8s, 48 /16s and 64 /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: 154174
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105477
Total APNIC prefixes after maximum aggregation: 32830
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106451
Unique aggregates announced from the APNIC address blocks: 43512
APNIC Region origin ASes present in the Internet Routing Table: 4806
APNIC Prefixes per ASN: 22.15
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 803
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: 716924512
Equivalent to 42 /8s, 187 /16s and 102 /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: 155044
Total ARIN prefixes after maximum aggregation: 78495
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155710
Unique aggregates announced from the ARIN address blocks: 70734
ARIN Region origin ASes present in the Internet Routing Table: 15366
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5796
ARIN Region transit ASes present in the Internet Routing Table: 1591
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: 1090387584
Equivalent to 64 /8s, 253 /16s and 254 /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: 112927
Total RIPE prefixes after maximum aggregation: 58319
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115954
Unique aggregates announced from the RIPE address blocks: 74368
RIPE Region origin ASes present in the Internet Routing Table: 17030
RIPE Prefixes per ASN: 6.81
RIPE Region origin ASes announcing only one prefix: 8168
RIPE Region transit ASes present in the Internet Routing Table: 2767
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: 2106
Number of RIPE addresses announced to Internet: 649953380
Equivalent to 38 /8s, 189 /16s and 128 /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: 45234
Total LACNIC prefixes after maximum aggregation: 8943
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 48843
Unique aggregates announced from the LACNIC address blocks: 23079
LACNIC Region origin ASes present in the Internet Routing Table: 1752
LACNIC Prefixes per ASN: 27.88
LACNIC Region origin ASes announcing only one prefix: 497
LACNIC Region transit ASes present in the Internet Routing Table: 333
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: 725
Number of LACNIC addresses announced to Internet: 119787048
Equivalent to 7 /8s, 35 /16s and 206 /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: 9770
Total AfriNIC prefixes after maximum aggregation: 2359
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 10334
Unique aggregates announced from the AfriNIC address blocks: 3652
AfriNIC Region origin ASes present in the Internet Routing Table: 586
AfriNIC Prefixes per ASN: 17.63
AfriNIC Region origin ASes announcing only one prefix: 186
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: 43064576
Equivalent to 2 /8s, 145 /16s and 29 /24s
Percentage of available AfriNIC address space announced: 42.8
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 2941 11556 914 Korea Telecom (KIX)
17974 2485 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1815 301 87 TPG Internet Pty Ltd
4755 1665 381 175 TATA Communications formerly
9829 1411 1155 41 BSNL National Internet Backbo
9583 1198 89 501 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 1945 678 124 PaeTec Communications, Inc.
20115 1690 1604 621 Charter Communications
4323 1596 1155 397 Time Warner Telecom
30036 1350 287 701 Mediacom Communications Corp
7018 1294 10549 854 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 1777 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 922 216 243 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 770 96 117 Educational Network
31148 743 38 15 FreeNet ISP
20940 742 245 577 Akamai Technologies European
6830 713 2313 434 UPC Distribution Services
8551 656 367 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 2269 387 211 TVCABLE BOGOTA
28573 2268 1299 70 NET Servicos de Comunicao S.A
7303 1674 1139 202 Telecom Argentina Stet-France
8151 1551 2914 361 UniNet S.A. de C.V.
6503 1454 435 67 AVANTEL, S.A.
27947 768 85 94 Telconet S.A
18881 748 716 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 877 275 36 LINKdotNET AS number
36998 769 48 3 MOBITEL
8452 541 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 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 2941 11556 914 Korea Telecom (KIX)
17974 2485 829 53 PT TELEKOMUNIKASI INDONESIA
7029 2286 1265 212 Windstream Communications Inc
10620 2269 387 211 TVCABLE BOGOTA
28573 2268 1299 70 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1954 2932 131 Cox Communications, Inc.
1785 1945 678 124 PaeTec Communications, Inc.
7545 1815 301 87 TPG Internet Pty Ltd
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 2485 2432 PT TELEKOMUNIKASI INDONESIA
28573 2268 2198 NET Servicos de Comunicao S.A
7029 2286 2074 Windstream Communications Inc
10620 2269 2058 TVCABLE BOGOTA
4766 2941 2027 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
22773 1954 1823 Cox Communications, Inc.
1785 1945 1821 PaeTec Communications, Inc.
8402 1777 1761 Corbina telecom
7545 1815 1728 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
128.0.64.0/22 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
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 mywire Datentechnik GmbH
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 /15:1546 /16:12481 /17:6547 /18:10889
/19:21615 /20:31009 /21:33052 /22:44257 /23:40708 /24:229474
/25:1303 /26:1689 /27:874 /28:179 /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 1642 2286 Windstream Communications Inc
8402 1499 1777 Corbina telecom
22773 1285 1954 Cox Communications, Inc.
30036 1251 1350 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1027 1945 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)
----------------------------------------------
1:690 2:697 3:3 4:13 5:697 6:3
8:480 12:1937 13:3 14:701 15:11 16:3
17:6 20:27 23:221 24:1792 27:1472 31:1373
32:54 33:2 34:2 36:10 37:1166 38:841
39:2 40:139 41:2650 42:180 44:3 46:1721
47:3 49:530 50:650 52:12 54:28 55:8
57:28 58:1073 59:562 60:235 61:1322 62:1033
63:2026 64:4304 65:2180 66:4261 67:2122 68:1131
69:3309 70:862 71:543 72:1889 74:2547 75:407
76:295 77:1049 78:1035 79:548 80:1225 81:981
82:655 83:531 84:529 85:1165 86:465 87:973
88:359 89:1747 90:303 91:5377 92:611 93:1614
94:1989 95:1659 96:489 97:337 98:969 99:52
100:31 101:298 103:1966 105:512 106:125 107:207
108:506 109:1744 110:841 111:991 112:470 113:739
114:679 115:905 116:903 117:776 118:965 119:1275
120:375 121:707 122:1729 123:1173 124:1314 125:1303
128:813 129:201 130:309 131:645 132:319 133:142
134:254 135:62 136:209 137:238 138:342 139:160
140:181 141:299 142:514 143:356 144:481 145:89
146:520 147:295 148:733 149:334 150:160 151:250
152:398 153:188 154:24 155:444 156:232 157:379
158:257 159:688 160:335 161:421 162:368 163:193
164:583 165:461 166:458 167:569 168:1007 169:131
170:1000 171:164 172:4 173:1515 174:752 175:471
176:954 177:1503 178:1705 180:1367 181:187 182:1148
183:292 184:655 185:157 186:2173 187:1456 188:1920
189:1568 190:6212 192:6110 193:5721 194:4493 195:3606
196:1246 197:291 198:4040 199:5180 200:5949 201:2036
202:8785 203:8712 204:4479 205:2546 206:2793 207:2776
208:4069 209:3541 210:2901 211:1560 212:1999 213:1884
214:876 215:91 216:5059 217:1579 218:596 219:323
220:1264 221:548 222:324 223:397
End of report
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