* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 17 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437210
Prefixes after maximum aggregation: 180581
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 214624
Total ASes present in the Internet Routing Table: 42851
Prefixes per ASN: 10.20
Origin-only ASes present in the Internet Routing Table: 33944
Origin ASes announcing only one prefix: 15863
Transit ASes present in the Internet Routing Table: 5694
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 31
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1197
Unregistered ASNs in the Routing Table: 430
Number of 32-bit ASNs allocated by the RIRs: 3585
Number of 32-bit ASNs visible in the Routing Table: 3213
Prefixes from 32-bit ASNs in the Routing Table: 8691
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 178
Number of addresses announced to Internet: 2619330956
Equivalent to 156 /8s, 31 /16s and 209 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
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: 154734
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104929
Total APNIC prefixes after maximum aggregation: 32676
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105845
Unique aggregates announced from the APNIC address blocks: 43289
APNIC Region origin ASes present in the Internet Routing Table: 4810
APNIC Prefixes per ASN: 22.01
APNIC Region origin ASes announcing only one prefix: 1251
APNIC Region transit ASes present in the Internet Routing Table: 796
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: 387
Number of APNIC addresses announced to Internet: 716186880
Equivalent to 42 /8s, 176 /16s and 37 /24s
Percentage of available APNIC address space announced: 83.7
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: 155724
Total ARIN prefixes after maximum aggregation: 78320
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156402
Unique aggregates announced from the ARIN address blocks: 70422
ARIN Region origin ASes present in the Internet Routing Table: 15334
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5789
ARIN Region transit ASes present in the Internet Routing Table: 1592
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: 18
Number of ARIN addresses announced to Internet: 1089239168
Equivalent to 64 /8s, 236 /16s and 120 /24s
Percentage of available ARIN address space announced: 57.6
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: 112607
Total RIPE prefixes after maximum aggregation: 58180
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115499
Unique aggregates announced from the RIPE address blocks: 74018
RIPE Region origin ASes present in the Internet Routing Table: 16995
RIPE Prefixes per ASN: 6.80
RIPE Region origin ASes announcing only one prefix: 8136
RIPE Region transit ASes present in the Internet Routing Table: 2765
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: 2079
Number of RIPE addresses announced to Internet: 650082020
Equivalent to 38 /8s, 191 /16s and 118 /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: 45291
Total LACNIC prefixes after maximum aggregation: 9003
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 48841
Unique aggregates announced from the LACNIC address blocks: 23109
LACNIC Region origin ASes present in the Internet Routing Table: 1745
LACNIC Prefixes per ASN: 27.99
LACNIC Region origin ASes announcing only one prefix: 500
LACNIC Region transit ASes present in the Internet Routing Table: 327
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 723
Number of LACNIC addresses announced to Internet: 120608040
Equivalent to 7 /8s, 48 /16s and 85 /24s
Percentage of available LACNIC address space announced: 71.9
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: 9846
Total AfriNIC prefixes after maximum aggregation: 2349
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 10445
Unique aggregates announced from the AfriNIC address blocks: 3627
AfriNIC Region origin ASes present in the Internet Routing Table: 587
AfriNIC Prefixes per ASN: 17.79
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 42892544
Equivalent to 2 /8s, 142 /16s and 125 /24s
Percentage of available AfriNIC address space announced: 42.6
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 905 Korea Telecom (KIX)
17974 2432 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1816 301 91 TPG Internet Pty Ltd
4755 1655 381 171 TATA Communications formerly
9829 1416 1156 42 BSNL National Internet Backbo
7552 1146 1070 12 Vietel Corporation
9583 1136 85 498 Sify Limited
4808 1128 2056 318 CNCGROUP IP network: China169
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1031 307 69 BHARTI Airtel Ltd.
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
7029 3467 1009 211 Windstream Communications Inc
6389 3127 3718 138 bellsouth.net, inc.
18566 2082 382 180 Covad Communications
22773 1946 2932 131 Cox Communications, Inc.
1785 1939 678 125 PaeTec Communications, Inc.
20115 1688 1607 623 Charter Communications
4323 1591 1153 395 Time Warner Telecom
30036 1379 290 721 Mediacom Communications Corp
7018 1290 10533 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 1794 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
34984 878 211 228 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 760 95 129 Educational Network
31148 741 38 13 FreeNet ISP
6830 715 2313 436 UPC Distribution Services
20940 712 229 549 Akamai Technologies European
58113 633 70 378 LIR DATACENTER TELECOM SRL
8551 610 367 39 Bezeq International
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 2264 386 207 TVCABLE BOGOTA
28573 2211 1298 69 NET Servicos de Comunicao S.A
7303 1673 1139 201 Telecom Argentina Stet-France
8151 1592 3002 354 UniNet S.A. de C.V.
6503 1536 435 67 AVANTEL, S.A.
27947 768 85 97 Telconet S.A
3816 661 309 71 Empresa Nacional de Telecomun
18881 608 716 18 Global Village Telecom
11172 603 85 68 Servicios Alestra S.A de C.V
7738 579 1178 33 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 874 275 36 LINKdotNET AS number
36998 768 48 3 MOBITEL
8452 685 958 13 TEDATA
6713 485 602 20 Itissalat Al-MAGHRIB
24835 289 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 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
7029 3467 1009 211 Windstream Communications Inc
6389 3127 3718 138 bellsouth.net, inc.
4766 2932 11556 905 Korea Telecom (KIX)
17974 2432 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2264 386 207 TVCABLE BOGOTA
28573 2211 1298 69 NET Servicos de Comunicao S.A
18566 2082 382 180 Covad Communications
22773 1946 2932 131 Cox Communications, Inc.
1785 1939 678 125 PaeTec Communications, Inc.
7545 1816 301 91 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
6389 3127 2989 bellsouth.net, inc.
17974 2432 2386 PT TELEKOMUNIKASI INDONESIA
28573 2211 2142 NET Servicos de Comunicao S.A
10620 2264 2057 TVCABLE BOGOTA
4766 2932 2027 Korea Telecom (KIX)
18566 2082 1902 Covad Communications
22773 1946 1815 Cox Communications, Inc.
1785 1939 1814 PaeTec Communications, Inc.
8402 1794 1778 Corbina telecom
7545 1816 1725 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
61309 UNALLOCATED 5.1.96.0/21 41562 Host4all Sarl
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Tele Danmark
61395 UNALLOCATED 5.83.60.0/22 3292 TDC Tele Danmark
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
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 >>UNKNOWN<<
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
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
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 /12:244
/13:477 /14:857 /15:1545 /16:12484 /17:6563 /18:10968
/19:21581 /20:30901 /21:32874 /22:44083 /23:40724 /24:229594
/25:1313 /26:1685 /27:868 /28:184 /29:79 /30:17
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2728 3467 Windstream Communications Inc
18566 2032 2082 Covad Communications
6389 1775 3127 bellsouth.net, inc.
8402 1520 1794 Corbina telecom
30036 1286 1379 Mediacom Communications Corp
22773 1278 1946 Cox Communications, Inc.
11492 1147 1183 Cable One
6503 1055 1536 AVANTEL, S.A.
1785 1022 1939 PaeTec Communications, Inc.
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)
----------------------------------------------
1:653 2:743 3:3 4:13 5:691 6:3
8:487 12:1937 13:3 14:700 15:11 16:3
17:6 20:27 23:220 24:1793 27:1431 31:1326
32:54 33:2 34:2 36:7 37:1093 38:842
39:2 40:141 41:2766 42:179 44:3 46:1714
47:3 49:513 50:626 52:12 54:28 55:7
57:28 58:1071 59:553 60:236 61:1310 62:1039
63:2019 64:4351 65:2210 66:4499 67:2079 68:1187
69:3314 70:935 71:557 72:1893 74:2633 75:473
76:289 77:1033 78:1006 79:518 80:1199 81:981
82:633 83:539 84:531 85:1155 86:459 87:961
88:354 89:1742 90:305 91:5364 92:607 93:1625
94:2010 95:1638 96:487 97:322 98:969 99:40
100:31 101:287 103:1931 105:512 106:117 107:203
108:508 109:1719 110:814 111:973 112:461 113:746
114:641 115:898 116:889 117:777 118:956 119:1262
120:376 121:679 122:1724 123:1172 124:1324 125:1290
128:553 129:200 130:300 131:640 132:319 133:142
134:255 135:62 136:215 137:235 138:343 139:167
140:182 141:301 142:509 143:356 144:491 145:89
146:521 147:291 148:735 149:331 150:153 151:238
152:399 153:187 154:22 155:439 156:230 157:378
158:257 159:678 160:335 161:419 162:370 163:193
164:583 165:451 166:474 167:568 168:992 169:131
170:1006 171:164 172:6 173:1652 174:629 175:461
176:873 177:1491 178:1748 180:1353 181:181 182:1108
183:300 184:632 185:127 186:2123 187:1464 188:1894
189:1603 190:6182 192:6097 193:5816 194:4651 195:3657
196:1247 197:289 198:3996 199:5156 200:6034 201:2032
202:8847 203:8741 204:4477 205:2543 206:2777 207:2813
208:4069 209:3660 210:2859 211:1529 212:2094 213:1872
214:860 215:74 216:5177 217:1591 218:596 219:321
220:1257 221:534 222:336 223:373
End of report
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