* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 09 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 416002
Prefixes after maximum aggregation: 175768
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 202575
Total ASes present in the Internet Routing Table: 41450
Prefixes per ASN: 10.04
Origin-only ASes present in the Internet Routing Table: 33309
Origin ASes announcing only one prefix: 15670
Transit ASes present in the Internet Routing Table: 5570
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 27
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 392
Unregistered ASNs in the Routing Table: 124
Number of 32-bit ASNs allocated by the RIRs: 2957
Number of 32-bit ASNs visible in the Routing Table: 2571
Prefixes from 32-bit ASNs in the Routing Table: 6641
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 155
Number of addresses announced to Internet: 2562935980
Equivalent to 152 /8s, 195 /16s and 76 /24s
Percentage of available address space announced: 69.1
Percentage of allocated address space announced: 69.2
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.1
Total number of prefixes smaller than registry allocations: 144061
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101705
Total APNIC prefixes after maximum aggregation: 32704
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 102141
Unique aggregates announced from the APNIC address blocks: 42091
APNIC Region origin ASes present in the Internet Routing Table: 4713
APNIC Prefixes per ASN: 21.67
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 749
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 241
Number of APNIC addresses announced to Internet: 704077952
Equivalent to 41 /8s, 247 /16s and 96 /24s
Percentage of available APNIC address space announced: 82.3
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: 152338
Total ARIN prefixes after maximum aggregation: 77448
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153307
Unique aggregates announced from the ARIN address blocks: 68390
ARIN Region origin ASes present in the Internet Routing Table: 15189
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5755
ARIN Region transit ASes present in the Internet Routing Table: 1604
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1070689664
Equivalent to 63 /8s, 209 /16s and 109 /24s
Percentage of available ARIN address space announced: 56.6
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: 103771
Total RIPE prefixes after maximum aggregation: 55050
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105977
Unique aggregates announced from the RIPE address blocks: 66938
RIPE Region origin ASes present in the Internet Routing Table: 16647
RIPE Prefixes per ASN: 6.37
RIPE Region origin ASes announcing only one prefix: 8071
RIPE Region transit ASes present in the Internet Routing Table: 2698
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1694
Number of RIPE addresses announced to Internet: 635464068
Equivalent to 37 /8s, 224 /16s and 105 /24s
Percentage of available RIPE address space announced: 92.4
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: 42144
Total LACNIC prefixes after maximum aggregation: 8349
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 44768
Unique aggregates announced from the LACNIC address blocks: 21705
LACNIC Region origin ASes present in the Internet Routing Table: 1609
LACNIC Prefixes per ASN: 27.82
LACNIC Region origin ASes announcing only one prefix: 428
LACNIC Region transit ASes present in the Internet Routing Table: 310
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: 614
Number of LACNIC addresses announced to Internet: 111758376
Equivalent to 6 /8s, 169 /16s and 76 /24s
Percentage of available LACNIC address space announced: 66.6
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: 9206
Total AfriNIC prefixes after maximum aggregation: 2163
AfriNIC Deaggregation factor: 4.26
Prefixes being announced from the AfriNIC address blocks: 9654
Unique aggregates announced from the AfriNIC address blocks: 3317
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 17.39
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 125
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 40526080
Equivalent to 2 /8s, 106 /16s and 97 /24s
Percentage of available AfriNIC address space announced: 40.3
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 2700 11117 1205 Korea Telecom (KIX)
17974 2146 558 79 PT TELEKOMUNIKASI INDONESIA
7545 1690 301 87 TPG Internet Pty Ltd
4755 1612 388 162 TATA Communications formerly
9829 1303 1085 28 BSNL National Internet Backbo
9583 1165 87 507 Sify Limited
7552 1124 1062 11 Vietel Corporation
4808 1106 2053 318 CNCGROUP IP network: China169
24560 1036 385 165 Bharti Airtel Ltd., Telemedia
9498 979 291 65 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
6389 3390 3773 187 bellsouth.net, inc.
7029 3258 986 161 Windstream Communications Inc
18566 2088 382 181 Covad Communications
1785 1934 681 132 PaeTec Communications, Inc.
22773 1655 2911 121 Cox Communications, Inc.
20115 1651 1573 616 Charter Communications
4323 1575 1043 384 Time Warner Telecom
30036 1384 265 784 Mediacom Communications Corp
7018 1262 10045 826 AT&T WorldNet Services
11492 1190 216 356 Cable One
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 1674 544 16 Corbina telecom
2118 1288 97 14 EUnet/RELCOM Autonomous Syste
12479 782 731 91 Uni2 Autonomous System
34984 726 189 173 BILISIM TELEKOM
6830 711 2292 445 UPC Distribution Services
31148 700 37 9 FreeNet ISP
20940 675 215 523 Akamai Technologies European
8551 580 364 61 Bezeq International
13188 504 100 10 Educational Network
3320 496 8443 408 Deutsche Telekom AG
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 1986 1214 55 NET Servicos de Comunicao S.A
10620 1983 345 204 TVCABLE BOGOTA
6503 1530 434 67 AVANTEL, S.A.
8151 1486 3066 344 UniNet S.A. de C.V.
7303 1453 933 193 Telecom Argentina Stet-France
27947 709 74 94 Telconet S.A
11172 643 91 74 Servicios Alestra S.A de C.V
3816 589 246 90 Empresa Nacional de Telecomun
22047 583 326 15 VTR PUNTO NET S.A.
14117 567 65 59 Telefonica del Sur 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
8452 1166 958 13 TEDATA
24863 861 274 32 LINKdotNET AS number
6713 504 649 18 Itissalat Al-MAGHRIB
24835 285 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
33776 210 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
16637 167 664 87 MTN Network Solutions
29975 167 571 19 Vodacom
15706 159 32 6 Sudatel Internet Exchange Aut
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 3390 3773 187 bellsouth.net, inc.
7029 3258 986 161 Windstream Communications Inc
4766 2700 11117 1205 Korea Telecom (KIX)
17974 2146 558 79 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 181 Covad Communications
28573 1986 1214 55 NET Servicos de Comunicao S.A
10620 1983 345 204 TVCABLE BOGOTA
1785 1934 681 132 PaeTec Communications, Inc.
7545 1690 301 87 TPG Internet Pty Ltd
8402 1674 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
7029 3258 3097 Windstream Communications Inc
17974 2146 2067 PT TELEKOMUNIKASI INDONESIA
28573 1986 1931 NET Servicos de Comunicao S.A
18566 2088 1907 Covad Communications
1785 1934 1802 PaeTec Communications, Inc.
10620 1983 1779 TVCABLE BOGOTA
8402 1674 1658 Corbina telecom
7545 1690 1603 TPG Internet Pty Ltd
22773 1655 1534 Cox Communications, Inc.
4766 2700 1495 Korea Telecom (KIX)
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
25639 UNALLOCATED 12.41.169.0/24 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 7018 AT&T WorldNet Servic
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
29760 UNALLOCATED 12.145.34.0/23 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
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
198.18.0.0/15 14744 Internap Network Services
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /8:19 /9:12 /10:28 /11:82 /12:236
/13:470 /14:841 /15:1524 /16:12310 /17:6361 /18:10762
/19:20824 /20:29693 /21:31460 /22:41211 /23:39120 /24:217216
/25:1230 /26:1478 /27:855 /28:164 /29:65 /30:18
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2630 3258 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1870 3390 bellsouth.net, inc.
8402 1370 1674 Corbina telecom
30036 1321 1384 Mediacom Communications Corp
11492 1153 1190 Cable One
22773 1086 1655 Cox Communications, Inc.
6503 1057 1530 AVANTEL, S.A.
1785 1043 1934 PaeTec Communications, Inc.
8452 940 1166 TEDATA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:574 2:753 3:1 4:13 5:100 6:3
8:433 12:2011 13:1 14:632 15:12 16:3
17:5 20:24 23:180 24:1789 27:1314 31:1015
32:56 33:2 34:2 36:9 37:592 38:822
39:1 40:128 41:3077 42:142 44:3 46:1528
47:2 49:418 50:547 52:13 54:13 55:6
56:1 57:34 58:979 59:527 60:249 61:1295
62:965 63:2038 64:4258 65:2256 66:4488 67:2020
68:1156 69:3186 70:980 71:510 72:1838 74:2598
75:475 76:332 77:921 78:891 79:489 80:1208
81:947 82:660 83:529 84:494 85:1172 86:432
87:934 88:340 89:1676 90:302 91:5009 92:578
93:1321 94:1596 95:1229 96:379 97:318 98:877
99:39 100:19 101:253 103:1234 106:101 107:188
108:365 109:1433 110:782 111:940 112:417 113:634
114:650 115:903 116:931 117:731 118:921 119:1227
120:351 121:803 122:1672 123:1095 124:1394 125:1267
128:555 129:188 130:263 131:615 132:299 133:22
134:244 135:61 136:217 137:240 138:337 139:175
140:494 141:247 142:431 143:371 144:531 145:77
146:518 147:288 148:770 149:319 150:157 151:182
152:474 153:176 154:17 155:433 156:220 157:382
158:191 159:621 160:342 161:268 162:376 163:192
164:658 165:417 166:582 167:475 168:912 169:126
170:896 171:147 172:5 173:1730 174:600 175:438
176:565 177:924 178:1533 180:1286 181:99 182:1026
183:241 184:533 185:1 186:1921 187:1081 188:1358
189:1599 190:5818 192:6018 193:5519 194:4524 195:3434
196:1196 197:170 198:3673 199:4853 200:5928 201:1988
202:8697 203:8630 204:4337 205:2529 206:2810 207:2802
208:4041 209:3621 210:2781 211:1552 212:1950 213:1849
214:890 215:81 216:5075 217:1556 218:551 219:338
220:1239 221:568 222:338 223:353
End of report
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