* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Sun 06 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437251
Prefixes after maximum aggregation: 181133
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215559
Total ASes present in the Internet Routing Table: 42969
Prefixes per ASN: 10.18
Origin-only ASes present in the Internet Routing Table: 33994
Origin ASes announcing only one prefix: 15900
Transit ASes present in the Internet Routing Table: 5711
Transit-only ASes present in the Internet Routing Table: 138
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: 375
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 3618
Number of 32-bit ASNs visible in the Routing Table: 3264
Prefixes from 32-bit ASNs in the Routing Table: 8864
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 2621957484
Equivalent to 156 /8s, 71 /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: 153880
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105435
Total APNIC prefixes after maximum aggregation: 32824
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106404
Unique aggregates announced from the APNIC address blocks: 43483
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: 1246
APNIC Region transit ASes present in the Internet Routing Table: 804
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: 404
Number of APNIC addresses announced to Internet: 716922720
Equivalent to 42 /8s, 187 /16s and 95 /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: 155041
Total ARIN prefixes after maximum aggregation: 78476
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155717
Unique aggregates announced from the ARIN address blocks: 70764
ARIN Region origin ASes present in the Internet Routing Table: 15364
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5801
ARIN Region transit ASes present in the Internet Routing Table: 1589
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 28
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1090363264
Equivalent to 64 /8s, 253 /16s and 159 /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: 112827
Total RIPE prefixes after maximum aggregation: 58401
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115848
Unique aggregates announced from the RIPE address blocks: 74358
RIPE Region origin ASes present in the Internet Routing Table: 17010
RIPE Prefixes per ASN: 6.81
RIPE Region origin ASes announcing only one prefix: 8161
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: 650072164
Equivalent to 38 /8s, 191 /16s and 80 /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: 45297
Total LACNIC prefixes after maximum aggregation: 9027
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 48885
Unique aggregates announced from the LACNIC address blocks: 23152
LACNIC Region origin ASes present in the Internet Routing Table: 1766
LACNIC Prefixes per ASN: 27.68
LACNIC Region origin ASes announcing only one prefix: 505
LACNIC Region transit ASes present in the Internet Routing Table: 334
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: 731
Number of LACNIC addresses announced to Internet: 121215528
Equivalent to 7 /8s, 57 /16s and 154 /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: 9667
Total AfriNIC prefixes after maximum aggregation: 2352
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 10224
Unique aggregates announced from the AfriNIC address blocks: 3648
AfriNIC Region origin ASes present in the Internet Routing Table: 586
AfriNIC Prefixes per ASN: 17.45
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: 43091712
Equivalent to 2 /8s, 145 /16s and 135 /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 2917 11554 905 Korea Telecom (KIX)
17974 2486 829 54 PT TELEKOMUNIKASI INDONESIA
7545 1815 301 88 TPG Internet Pty Ltd
4755 1664 381 175 TATA Communications formerly
9829 1418 1156 42 BSNL National Internet Backbo
9583 1198 89 501 Sify Limited
7552 1143 1070 12 Vietel Corporation
4808 1124 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 2291 1266 216 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1953 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 1354 288 708 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 1747 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 735 242 573 Akamai Technologies European
6830 714 2313 435 UPC Distribution Services
8551 660 367 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 2268 387 211 TVCABLE BOGOTA
28573 2265 1299 70 NET Servicos de Comunicao S.A
7303 1674 1139 202 Telecom Argentina Stet-France
6503 1451 435 66 AVANTEL, S.A.
8151 1421 2914 358 UniNet S.A. de C.V.
27947 768 85 94 Telconet S.A
18881 747 716 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 878 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 543 958 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 2917 11554 905 Korea Telecom (KIX)
17974 2486 829 54 PT TELEKOMUNIKASI INDONESIA
7029 2291 1266 216 Windstream Communications Inc
10620 2268 387 211 TVCABLE BOGOTA
28573 2265 1299 70 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1953 2932 131 Cox Communications, Inc.
1785 1945 678 124 PaeTec Communications, Inc.
7545 1815 301 88 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 2486 2432 PT TELEKOMUNIKASI INDONESIA
28573 2265 2195 NET Servicos de Comunicao S.A
7029 2291 2075 Windstream Communications Inc
10620 2268 2057 TVCABLE BOGOTA
4766 2917 2012 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
22773 1953 1822 Cox Communications, Inc.
1785 1945 1821 PaeTec Communications, Inc.
8402 1747 1731 Corbina telecom
7545 1815 1727 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 /16:12495 /17:6554 /18:10910
/19:21619 /20:31073 /21:33054 /22:44215 /23:40698 /24:229339
/25:1301 /26:1686 /27:875 /28:46 /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 1643 2291 Windstream Communications Inc
8402 1470 1747 Corbina telecom
22773 1284 1953 Cox Communications, Inc.
30036 1255 1354 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1027 1945 PaeTec Communications, Inc.
6503 979 1451 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)
----------------------------------------------
1:687 2:698 3:3 4:13 5:697 6:3
8:480 12:1936 13:3 14:700 15:11 16:3
17:6 20:27 23:221 24:1793 27:1472 31:1368
32:54 33:2 34:2 36:11 37:1160 38:841
39:2 40:139 41:2599 42:180 44:3 46:1705
47:3 49:531 50:649 52:12 54:28 55:8
57:28 58:1072 59:561 60:236 61:1317 62:1033
63:2025 64:4306 65:2180 66:4260 67:2120 68:1131
69:3312 70:862 71:543 72:1889 74:2547 75:407
76:295 77:1050 78:1033 79:546 80:1222 81:982
82:655 83:529 84:530 85:1165 86:466 87:970
88:359 89:1741 90:303 91:5387 92:613 93:1616
94:1983 95:1628 96:488 97:337 98:968 99:51
100:32 101:299 103:1973 105:501 106:125 107:206
108:492 109:1743 110:837 111:989 112:470 113:741
114:684 115:899 116:892 117:767 118:970 119:1268
120:374 121:706 122:1725 123:1172 124:1315 125:1303
128:813 129:201 130:309 131:641 132:319 133:142
134:255 135:62 136:209 137:236 138:342 139:159
140:182 141:300 142:513 143:353 144:488 145:89
146:520 147:322 148:727 149:335 150:158 151:249
152:398 153:188 154:24 155:444 156:232 157:379
158:257 159:688 160:335 161:407 162:368 163:193
164:583 165:461 166:457 167:569 168:1006 169:131
170:1001 171:164 172:4 173:1551 174:748 175:469
176:955 177:1508 178:1706 180:1360 181:187 182:1148
183:293 184:655 185:155 186:2174 187:1450 188:1919
189:1568 190:6210 192:6108 193:5719 194:4496 195:3597
196:1232 197:289 198:4039 199:5174 200:6020 201:2033
202:8786 203:8719 204:4460 205:2539 206:2795 207:2776
208:4066 209:3542 210:2900 211:1560 212:1994 213:1881
214:875 215:91 216:5080 217:1571 218:597 219:323
220:1261 221:548 222:323 223:397
End of report
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