Routing Table Report 04:00 +10GMT Tue 17 Apr, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 406135
Prefixes after maximum aggregation: 172465
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 197135
Total ASes present in the Internet Routing Table: 40708
Prefixes per ASN: 9.98
Origin-only ASes present in the Internet Routing Table: 33040
Origin ASes announcing only one prefix: 15590
Transit ASes present in the Internet Routing Table: 5451
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: 69
Max AS path prepend of ASN ( 9902) 61
Prefixes from unregistered ASNs in the Routing Table: 390
Unregistered ASNs in the Routing Table: 128
Number of 32-bit ASNs allocated by the RIRs: 2584
Number of 32-bit ASNs visible in the Routing Table: 2217
Prefixes from 32-bit ASNs in the Routing Table: 5514
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 111
Number of addresses announced to Internet: 2536649808
Equivalent to 151 /8s, 50 /16s and 52 /24s
Percentage of available address space announced: 68.4
Percentage of allocated address space announced: 68.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.3
Total number of prefixes smaller than registry allocations: 173148
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99619
Total APNIC prefixes after maximum aggregation: 32267
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 96077
Unique aggregates announced from the APNIC address blocks: 39592
APNIC Region origin ASes present in the Internet Routing Table: 4677
APNIC Prefixes per ASN: 20.54
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 730
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 183
Number of APNIC addresses announced to Internet: 643368416
Equivalent to 38 /8s, 89 /16s and 5 /24s
Percentage of available APNIC address space announced: 81.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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, 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: 149637
Total ARIN prefixes after maximum aggregation: 76145
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120937
Unique aggregates announced from the ARIN address blocks: 50272
ARIN Region origin ASes present in the Internet Routing Table: 15035
ARIN Prefixes per ASN: 8.04
ARIN Region origin ASes announcing only one prefix: 5722
ARIN Region transit ASes present in the Internet Routing Table: 1584
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 30
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 807099584
Equivalent to 48 /8s, 27 /16s and 92 /24s
Percentage of available ARIN address space announced: 64.1
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, 173/8,
174/8, 184/8, 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: 101521
Total RIPE prefixes after maximum aggregation: 53613
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 93416
Unique aggregates announced from the RIPE address blocks: 58126
RIPE Region origin ASes present in the Internet Routing Table: 16485
RIPE Prefixes per ASN: 5.67
RIPE Region origin ASes announcing only one prefix: 8031
RIPE Region transit ASes present in the Internet Routing Table: 2635
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1491
Number of RIPE addresses announced to Internet: 509316488
Equivalent to 30 /8s, 91 /16s and 141 /24s
Percentage of available RIPE address space announced: 82.0
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
196608-198655
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,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 40627
Total LACNIC prefixes after maximum aggregation: 8240
LACNIC Deaggregation factor: 4.93
Prefixes being announced from the LACNIC address blocks: 40457
Unique aggregates announced from the LACNIC address blocks: 20133
LACNIC Region origin ASes present in the Internet Routing Table: 1584
LACNIC Prefixes per ASN: 25.54
LACNIC Region origin ASes announcing only one prefix: 435
LACNIC Region transit ASes present in the Internet Routing Table: 296
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 521
Number of LACNIC addresses announced to Internet: 99312520
Equivalent to 5 /8s, 235 /16s and 99 /24s
Percentage of available LACNIC address space announced: 65.8
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,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9043
Total AfriNIC prefixes after maximum aggregation: 2132
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 7084
Unique aggregates announced from the AfriNIC address blocks: 2200
AfriNIC Region origin ASes present in the Internet Routing Table: 534
AfriNIC Prefixes per ASN: 13.27
AfriNIC Region origin ASes announcing only one prefix: 167
AfriNIC Region transit ASes present in the Internet Routing Table: 119
Average AfriNIC Region AS path length visible: 4.5
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: 31675136
Equivalent to 1 /8s, 227 /16s and 83 /24s
Percentage of available AfriNIC address space announced: 47.2
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2478 11113 1010 Korea Telecom (KIX)
17974 1798 503 63 PT TELEKOMUNIKASI INDONESIA
7545 1663 301 87 TPG Internet Pty Ltd
4755 1590 388 166 TATA Communications formerly
9583 1249 95 542 Sify Limited
9829 1230 1041 30 BSNL National Internet Backbo
7552 1171 1062 11 Vietel Corporation
4808 1094 2050 316 CNCGROUP IP network: China169
24560 1023 385 167 Bharti Airtel Ltd., Telemedia
18101 946 131 159 Reliance Infocom Ltd Internet
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 3428 3807 195 bellsouth.net, inc.
7029 3384 985 157 Windstream Communications Inc
18566 2091 382 179 Covad Communications
1785 1901 680 130 PaeTec Communications, Inc.
20115 1642 1565 619 Charter Communications
4323 1600 1044 380 Time Warner Telecom
22773 1576 2910 111 Cox Communications, Inc.
30036 1429 261 750 Mediacom Communications Corp
7018 1277 9774 827 AT&T WorldNet Services
11492 1186 216 364 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 1775 544 16 Corbina telecom
2118 1304 97 14 EUnet/RELCOM Autonomous Syste
31148 679 37 9 FreeNet ISP
34984 678 188 175 BILISIM TELEKOM
12479 657 661 62 Uni2 Autonomous System
20940 645 206 498 Akamai Technologies European
6830 639 1943 410 UPC Distribution Services
8551 572 360 81 Bezeq International
3320 533 8442 399 Deutsche Telekom AG
2578 500 33 7 Demos, Moscow, Russia
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 1809 327 176 TVCABLE BOGOTA
28573 1776 1107 59 NET Servicos de Comunicao S.A
6503 1533 418 65 AVANTEL, S.A.
8151 1485 3020 350 UniNet S.A. de C.V.
7303 1357 827 190 Telecom Argentina Stet-France
26615 903 697 32 Tim Brasil S.A.
27947 687 74 99 Telconet S.A
11172 637 91 73 Servicios Alestra S.A de C.V
22047 582 326 15 VTR PUNTO NET S.A.
3816 572 242 100 Empresa Nacional de Telecomun
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 1303 958 13 TEDATA
24863 848 274 35 LINKdotNET AS number
6713 491 649 18 Itissalat Al-MAGHRIB
3741 265 921 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
33776 197 12 21 Starcomms Nigeria Limited
24835 179 80 8 RAYA Telecom - Egypt
16637 171 666 83 MTN Network Solutions
15706 169 32 6 Sudatel Internet Exchange Aut
29571 159 15 15 Ci Telecom Autonomous system
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 3428 3807 195 bellsouth.net, inc.
7029 3384 985 157 Windstream Communications Inc
4766 2478 11113 1010 Korea Telecom (KIX)
18566 2091 382 179 Covad Communications
1785 1901 680 130 PaeTec Communications, Inc.
10620 1809 327 176 TVCABLE BOGOTA
17974 1798 503 63 PT TELEKOMUNIKASI INDONESIA
28573 1776 1107 59 NET Servicos de Comunicao S.A
8402 1775 544 16 Corbina telecom
7545 1663 301 87 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
7029 3384 3227 Windstream Communications Inc
18566 2091 1912 Covad Communications
1785 1901 1771 PaeTec Communications, Inc.
8402 1775 1759 Corbina telecom
17974 1798 1735 PT TELEKOMUNIKASI INDONESIA
28573 1776 1717 NET Servicos de Comunicao S.A
10620 1809 1633 TVCABLE BOGOTA
7545 1663 1576 TPG Internet Pty Ltd
4766 2478 1468 Korea Telecom (KIX)
6503 1533 1468 AVANTEL, S.A.
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
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
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
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser
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
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
41.222.79.0/24 36938 >>UNKNOWN<<
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 /11:81 /12:235
/13:460 /14:832 /15:1481 /16:12197 /17:6271 /18:10522
/19:20626 /20:28872 /21:29868 /22:40541 /23:37832 /24:212600
/25:1197 /26:1424 /27:783 /28:161 /29:58 /30:16
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3042 3384 Windstream Communications Inc
6389 2146 3428 bellsouth.net, inc.
18566 2040 2091 Covad Communications
8402 1752 1775 Corbina telecom
10620 1695 1809 TVCABLE BOGOTA
30036 1375 1429 Mediacom Communications Corp
6503 1291 1533 AVANTEL, S.A.
11492 1149 1186 Cable One
8452 1111 1303 TEDATA
1785 1069 1901 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:533 2:726 4:14 6:3 8:402 12:2000
13:1 14:595 15:12 16:3 17:7 20:8
23:159 24:1769 27:1271 31:977 32:57 33:1
34:2 36:8 37:349 38:797 40:120 41:3165
42:134 44:3 46:1486 47:3 49:382 50:534
52:13 54:7 55:10 56:3 57:31 58:959
59:518 60:281 61:1266 62:974 63:1990 64:4162
65:2253 66:4487 67:2027 68:1151 69:3152 70:908
71:476 72:1817 74:2594 75:495 76:319 77:971
78:1005 79:491 80:1215 81:906 82:656 83:550
84:490 85:1209 86:405 87:925 88:351 89:1637
90:297 91:4724 92:521 93:1413 94:1473 95:1147
96:360 97:319 98:899 99:37 100:7 101:174
103:998 106:105 107:185 108:229 109:1295 110:754
111:924 112:454 113:595 114:625 115:873 116:903
117:717 118:902 119:1224 120:348 121:806 122:1671
123:1092 124:1371 125:1263 128:549 129:194 130:253
131:592 132:173 133:21 134:243 135:62 136:212
137:177 138:355 139:148 140:491 141:244 142:387
143:405 144:515 145:69 146:489 147:279 148:766
149:300 150:159 151:176 152:463 153:172 154:7
155:429 156:215 157:380 158:175 159:522 160:337
161:259 162:351 163:190 164:572 165:394 166:571
167:464 168:818 169:127 170:859 171:127 172:2
173:1744 174:582 175:429 176:486 177:660 178:1330
180:1175 181:73 182:803 183:286 184:455 185:1
186:2205 187:1035 188:1187 189:1794 190:5492 192:6001
193:5548 194:4636 195:3581 196:1285 197:126 198:3629
199:4505 200:5803 201:1927 202:8538 203:8609 204:4345
205:2494 206:2748 207:2783 208:4054 209:3582 210:2750
211:1477 212:2016 213:1906 214:835 215:104 216:5094
217:1540 218:542 219:341 220:1229 221:555 222:323
223:334
End of report
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