* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Sun 10 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 442497
Prefixes after maximum aggregation: 182098
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 217139
Total ASes present in the Internet Routing Table: 43236
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 34114
Origin ASes announcing only one prefix: 15927
Transit ASes present in the Internet Routing Table: 5758
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 35412) 17
Prefixes from unregistered ASNs in the Routing Table: 380
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 3742
Number of 32-bit ASNs visible in the Routing Table: 3364
Prefixes from 32-bit ASNs in the Routing Table: 9190
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 195
Number of addresses announced to Internet: 2615134988
Equivalent to 155 /8s, 223 /16s and 203 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.3
Total number of prefixes smaller than registry allocations: 156223
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106334
Total APNIC prefixes after maximum aggregation: 33096
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 107393
Unique aggregates announced from the APNIC address blocks: 43984
APNIC Region origin ASes present in the Internet Routing Table: 4814
APNIC Prefixes per ASN: 22.31
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 802
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: 424
Number of APNIC addresses announced to Internet: 718691584
Equivalent to 42 /8s, 214 /16s and 93 /24s
Percentage of available APNIC address space announced: 84.0
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: 155442
Total ARIN prefixes after maximum aggregation: 78730
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156123
Unique aggregates announced from the ARIN address blocks: 70760
ARIN Region origin ASes present in the Internet Routing Table: 15444
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5838
ARIN Region transit ASes present in the Internet Routing Table: 1597
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 29
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1075952768
Equivalent to 64 /8s, 33 /16s and 188 /24s
Percentage of available ARIN address space announced: 56.9
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: 113929
Total RIPE prefixes after maximum aggregation: 58686
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117048
Unique aggregates announced from the RIPE address blocks: 74963
RIPE Region origin ASes present in the Internet Routing Table: 17047
RIPE Prefixes per ASN: 6.87
RIPE Region origin ASes announcing only one prefix: 8154
RIPE Region transit ASes present in the Internet Routing Table: 2788
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2175
Number of RIPE addresses announced to Internet: 653113700
Equivalent to 38 /8s, 237 /16s and 185 /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: 46978
Total LACNIC prefixes after maximum aggregation: 9124
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 50655
Unique aggregates announced from the LACNIC address blocks: 23547
LACNIC Region origin ASes present in the Internet Routing Table: 1805
LACNIC Prefixes per ASN: 28.06
LACNIC Region origin ASes announcing only one prefix: 522
LACNIC Region transit ASes present in the Internet Routing Table: 339
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: 740
Number of LACNIC addresses announced to Internet: 122836264
Equivalent to 7 /8s, 82 /16s and 85 /24s
Percentage of available LACNIC address space announced: 73.2
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: 10495
Total AfriNIC prefixes after maximum aggregation: 2410
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 11083
Unique aggregates announced from the AfriNIC address blocks: 3711
AfriNIC Region origin ASes present in the Internet Routing Table: 592
AfriNIC Prefixes per ASN: 18.72
AfriNIC Region origin ASes announcing only one prefix: 176
AfriNIC Region transit ASes present in the Internet Routing Table: 134
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 44176128
Equivalent to 2 /8s, 162 /16s and 19 /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 2942 11558 924 Korea Telecom (KIX)
17974 2482 824 84 PT TELEKOMUNIKASI INDONESIA
7545 1825 301 89 TPG Internet Pty Ltd
4755 1684 382 190 TATA Communications formerly
9829 1429 1145 45 BSNL National Internet Backbo
9583 1204 90 499 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1109 2040 316 CNCGROUP IP network: China169
9498 1058 310 75 BHARTI Airtel Ltd.
24560 1044 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 3071 3697 105 bellsouth.net, inc.
7029 2263 1265 211 Windstream Communications Inc
18566 2081 382 183 Covad Communications
22773 1967 2931 128 Cox Communications, Inc.
1785 1953 678 125 PaeTec Communications, Inc.
20115 1689 1609 624 Charter Communications
4323 1600 1155 395 Time Warner Telecom
30036 1342 287 689 Mediacom Communications Corp
7018 1298 10552 856 AT&T WorldNet Services
7011 1199 316 682 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 1843 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 1052 232 204 BILISIM TELEKOM
13188 854 99 22 Educational Network
12479 840 782 68 Uni2 Autonomous System
31148 757 39 17 FreeNet ISP
20940 748 255 589 Akamai Technologies European
8551 716 367 39 Bezeq International
6830 713 2313 434 UPC Distribution Services
34744 669 186 47 SC GVM SISTEM 2003 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
28573 2359 1325 86 NET Servicos de Comunicao S.A
10620 2312 396 226 TVCABLE BOGOTA
7303 1679 1147 206 Telecom Argentina Stet-France
8151 1502 2804 392 UniNet S.A. de C.V.
6503 1473 435 67 AVANTEL, S.A.
14754 940 120 78 Telgua S. A.
27947 775 86 97 Telconet S.A
18881 758 716 18 Global Village Telecom
3816 683 306 85 Empresa Nacional de Telecomun
11172 604 86 67 Servicios Alestra S.A de C.V
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
36998 1286 80 4 MOBITEL
24863 898 275 36 LINKdotNET AS number
8452 534 958 13 TEDATA
6713 496 602 20 Itissalat Al-MAGHRIB
24835 329 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 3071 3697 105 bellsouth.net, inc.
4766 2942 11558 924 Korea Telecom (KIX)
17974 2482 824 84 PT TELEKOMUNIKASI INDONESIA
28573 2359 1325 86 NET Servicos de Comunicao S.A
10620 2312 396 226 TVCABLE BOGOTA
7029 2263 1265 211 Windstream Communications Inc
18566 2081 382 183 Covad Communications
22773 1967 2931 128 Cox Communications, Inc.
1785 1953 678 125 PaeTec Communications, Inc.
8402 1843 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 2482 2398 PT TELEKOMUNIKASI INDONESIA
28573 2359 2273 NET Servicos de Comunicao S.A
10620 2312 2086 TVCABLE BOGOTA
7029 2263 2052 Windstream Communications Inc
4766 2942 2018 Korea Telecom (KIX)
18566 2081 1898 Covad Communications
22773 1967 1839 Cox Communications, Inc.
1785 1953 1828 PaeTec Communications, Inc.
8402 1843 1827 Corbina telecom
7545 1825 1736 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
128.0.16.0/21 43568 RIPE Network Coordination Cen
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
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
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
31.210.16.0/22 15657 Neural Networks ASN
41.138.95.0/24 36930 ZanZibar Telecom
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 /8:17 /9:13 /10:29 /11:88 /12:246
/13:482 /14:865 /15:1551 /16:12565 /17:6602 /18:10989
/19:21752 /20:31219 /21:33251 /22:45308 /23:41025 /24:232224
/25:1375 /26:1746 /27:860 /28:179 /29:74 /30:16
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1759 3071 bellsouth.net, inc.
7029 1637 2263 Windstream Communications Inc
8402 1571 1843 Corbina telecom
22773 1291 1967 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1234 1342 Mediacom Communications Corp
11492 1159 1196 Cable One
1785 1033 1953 PaeTec Communications, Inc.
6503 983 1473 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:667 2:726 3:3 4:13 5:749 6:3
8:486 12:1926 13:3 14:735 15:11 16:3
17:8 20:24 23:238 24:1801 27:1474 31:1127
32:54 33:2 34:5 36:10 37:1299 38:847
39:2 40:141 41:2704 42:179 44:4 46:1736
47:1 49:577 50:651 52:12 54:28 55:8
57:28 58:1082 59:560 60:251 61:1315 62:1025
63:2021 64:4317 65:2143 66:4269 67:2020 68:1121
69:3250 70:857 71:531 72:1874 74:2536 75:421
76:290 77:1074 78:1029 79:554 80:1225 81:975
82:631 83:539 84:574 85:1149 86:477 87:980
88:375 89:1735 90:286 91:5391 92:624 93:1706
94:2029 95:1610 96:490 97:334 98:1047 99:52
100:30 101:312 103:2094 105:519 106:131 107:206
108:511 109:1773 110:854 111:1012 112:480 113:735
114:684 115:921 116:874 117:786 118:982 119:1266
120:375 121:698 122:1735 123:1190 124:1318 125:1309
128:548 129:201 130:316 131:649 132:326 133:143
134:259 135:62 136:221 137:235 138:341 139:155
140:215 141:315 142:517 143:382 144:477 145:88
146:525 147:344 148:725 149:342 150:158 151:400
152:399 153:190 154:27 155:371 156:241 157:390
158:259 159:696 160:333 161:422 162:361 163:203
164:576 165:447 166:439 167:574 168:1008 169:131
170:1016 171:164 172:4 173:1545 174:612 175:420
176:1110 177:1664 178:1732 180:1372 181:221 182:1150
183:317 184:632 185:217 186:2263 187:1442 188:1978
189:1531 190:6665 192:6322 193:5676 194:4634 195:3648
196:1304 197:851 198:4129 199:5196 200:6027 201:2191
202:8889 203:8761 204:4433 205:2541 206:2798 207:2803
208:4056 209:3514 210:2916 211:1567 212:2013 213:1889
214:899 215:93 216:5084 217:1582 218:592 219:328
220:1264 221:550 222:337 223:422
End of report
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