* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 18 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 438424
Prefixes after maximum aggregation: 181609
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 216036
Total ASes present in the Internet Routing Table: 43055
Prefixes per ASN: 10.18
Origin-only ASes present in the Internet Routing Table: 34039
Origin ASes announcing only one prefix: 15899
Transit ASes present in the Internet Routing Table: 5720
Transit-only ASes present in the Internet Routing Table: 137
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: 378
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 3664
Number of 32-bit ASNs visible in the Routing Table: 3296
Prefixes from 32-bit ASNs in the Routing Table: 9034
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 186
Number of addresses announced to Internet: 2628055692
Equivalent to 156 /8s, 164 /16s and 242 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
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: 154180
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105448
Total APNIC prefixes after maximum aggregation: 32997
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 106460
Unique aggregates announced from the APNIC address blocks: 43692
APNIC Region origin ASes present in the Internet Routing Table: 4817
APNIC Prefixes per ASN: 22.10
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 812
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: 411
Number of APNIC addresses announced to Internet: 717347712
Equivalent to 42 /8s, 193 /16s and 219 /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: 155330
Total ARIN prefixes after maximum aggregation: 78646
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155969
Unique aggregates announced from the ARIN address blocks: 70748
ARIN Region origin ASes present in the Internet Routing Table: 15385
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5805
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: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1091925632
Equivalent to 65 /8s, 21 /16s and 118 /24s
Percentage of available ARIN address space announced: 57.8
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: 113001
Total RIPE prefixes after maximum aggregation: 58439
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 116073
Unique aggregates announced from the RIPE address blocks: 74386
RIPE Region origin ASes present in the Internet Routing Table: 17031
RIPE Prefixes per ASN: 6.82
RIPE Region origin ASes announcing only one prefix: 8161
RIPE Region transit ASes present in the Internet Routing Table: 2768
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: 2127
Number of RIPE addresses announced to Internet: 653050212
Equivalent to 38 /8s, 236 /16s and 193 /24s
Percentage of available RIPE address space announced: 94.9
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: 45662
Total LACNIC prefixes after maximum aggregation: 9094
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 49333
Unique aggregates announced from the LACNIC address blocks: 23352
LACNIC Region origin ASes present in the Internet Routing Table: 1772
LACNIC Prefixes per ASN: 27.84
LACNIC Region origin ASes announcing only one prefix: 506
LACNIC Region transit ASes present in the Internet Routing Table: 335
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: 735
Number of LACNIC addresses announced to Internet: 121236008
Equivalent to 7 /8s, 57 /16s and 234 /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: 9822
Total AfriNIC prefixes after maximum aggregation: 2381
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 10403
Unique aggregates announced from the AfriNIC address blocks: 3691
AfriNIC Region origin ASes present in the Internet Routing Table: 587
AfriNIC Prefixes per ASN: 17.72
AfriNIC Region origin ASes announcing only one prefix: 182
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: 44201216
Equivalent to 2 /8s, 162 /16s and 117 /24s
Percentage of available AfriNIC address space announced: 43.9
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 11557 921 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1792 301 87 TPG Internet Pty Ltd
4755 1670 382 176 TATA Communications formerly
9829 1425 1156 42 BSNL National Internet Backbo
9583 1201 89 502 Sify Limited
7552 1131 1070 12 Vietel Corporation
4808 1125 2040 316 CNCGROUP IP network: China169
9498 1050 310 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 3107 3700 125 bellsouth.net, inc.
7029 2286 1265 212 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1958 2931 128 Cox Communications, Inc.
1785 1947 678 124 PaeTec Communications, Inc.
20115 1686 1606 626 Charter Communications
4323 1600 1155 395 Time Warner Telecom
30036 1344 286 700 Mediacom Communications Corp
7018 1301 10550 860 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 1851 544 16 Corbina telecom
2118 1432 97 13 EUnet/RELCOM Autonomous Syste
34984 916 212 231 BILISIM TELEKOM
12479 834 778 65 Uni2 Autonomous System
13188 775 96 112 Educational Network
31148 744 38 14 FreeNet ISP
20940 733 245 580 Akamai Technologies European
6830 713 2313 434 UPC Distribution Services
8551 655 367 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 2292 391 222 TVCABLE BOGOTA
28573 2274 1302 78 NET Servicos de Comunicao S.A
7303 1670 1139 204 Telecom Argentina Stet-France
8151 1532 2876 364 UniNet S.A. de C.V.
6503 1454 435 67 AVANTEL, S.A.
27947 771 85 96 Telconet S.A
18881 741 716 18 Global Village Telecom
3816 672 306 85 Empresa Nacional de Telecomun
11172 603 86 67 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 890 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 543 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 282 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
16637 191 696 90 MTN Network Solutions
29975 191 667 21 Vodacom
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 3107 3700 125 bellsouth.net, inc.
4766 2941 11557 921 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
10620 2292 391 222 TVCABLE BOGOTA
7029 2286 1265 212 Windstream Communications Inc
28573 2274 1302 78 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1958 2931 128 Cox Communications, Inc.
1785 1947 678 124 PaeTec Communications, Inc.
8402 1851 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 2474 2421 PT TELEKOMUNIKASI INDONESIA
28573 2274 2196 NET Servicos de Comunicao S.A
7029 2286 2074 Windstream Communications Inc
10620 2292 2070 TVCABLE BOGOTA
4766 2941 2020 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
8402 1851 1835 Corbina telecom
22773 1958 1830 Cox Communications, Inc.
1785 1947 1823 PaeTec Communications, Inc.
7545 1792 1705 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
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 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 /11:88 /12:246
/13:479 /14:864 /15:1555 /16:12521 /17:6572 /18:10930
/19:21644 /20:31109 /21:33140 /22:44426 /23:40733 /24:230079
/25:1251 /26:1603 /27:829 /28:181 /29:75 /30:17
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1771 3107 bellsouth.net, inc.
7029 1643 2286 Windstream Communications Inc
8402 1566 1851 Corbina telecom
22773 1291 1958 Cox Communications, Inc.
30036 1241 1344 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1029 1947 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)
----------------------------------------------
1:697 2:773 3:3 4:13 5:717 6:3
8:487 12:1924 13:3 14:709 15:11 16:3
17:8 20:27 23:228 24:1794 27:1476 31:1114
32:54 33:2 34:3 36:9 37:1170 38:839
39:2 40:138 41:2683 42:180 44:3 46:1743
47:1 49:536 50:650 52:12 54:28 55:8
57:28 58:1075 59:560 60:237 61:1316 62:1020
63:2044 64:4302 65:2163 66:4317 67:2084 68:1120
69:3250 70:860 71:537 72:1879 74:2544 75:416
76:295 77:1052 78:1027 79:536 80:1227 81:986
82:663 83:537 84:529 85:1157 86:469 87:970
88:365 89:1729 90:283 91:5390 92:610 93:1666
94:1984 95:1507 96:489 97:338 98:1054 99:52
100:31 101:297 103:2018 105:528 106:129 107:208
108:504 109:1759 110:843 111:997 112:466 113:753
114:683 115:926 116:902 117:782 118:964 119:1282
120:328 121:700 122:1729 123:1179 124:1324 125:1297
128:562 129:201 130:309 131:645 132:326 133:142
134:255 135:62 136:218 137:234 138:340 139:159
140:216 141:313 142:518 143:379 144:480 145:89
146:526 147:332 148:732 149:335 150:159 151:254
152:399 153:188 154:24 155:415 156:233 157:380
158:257 159:700 160:336 161:422 162:366 163:195
164:585 165:459 166:457 167:571 168:993 169:131
170:994 171:162 172:4 173:1546 174:753 175:421
176:1048 177:1567 178:1707 180:1369 181:209 182:1165
183:304 184:634 185:168 186:2199 187:1456 188:1923
189:1559 190:6316 192:6160 193:5848 194:4666 195:3667
196:1247 197:316 198:4082 199:5177 200:5990 201:2087
202:8801 203:8733 204:4471 205:2545 206:2786 207:2781
208:4070 209:3515 210:2905 211:1561 212:1998 213:1880
214:885 215:91 216:5052 217:1576 218:599 219:323
220:1266 221:528 222:324 223:401
End of report
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