Routing Table Report 04:00 +10GMT Sun 15 Apr, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 405698
Prefixes after maximum aggregation: 172379
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 196878
Total ASes present in the Internet Routing Table: 40691
Prefixes per ASN: 9.97
Origin-only ASes present in the Internet Routing Table: 33032
Origin ASes announcing only one prefix: 15586
Transit ASes present in the Internet Routing Table: 5443
Transit-only ASes present in the Internet Routing Table: 142
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: 386
Unregistered ASNs in the Routing Table: 124
Number of 32-bit ASNs allocated by the RIRs: 2572
Number of 32-bit ASNs visible in the Routing Table: 2216
Prefixes from 32-bit ASNs in the Routing Table: 5494
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 113
Number of addresses announced to Internet: 2536376272
Equivalent to 151 /8s, 46 /16s and 7 /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: 172871
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99686
Total APNIC prefixes after maximum aggregation: 32232
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 96123
Unique aggregates announced from the APNIC address blocks: 39534
APNIC Region origin ASes present in the Internet Routing Table: 4669
APNIC Prefixes per ASN: 20.59
APNIC Region origin ASes announcing only one prefix: 1231
APNIC Region transit ASes present in the Internet Routing Table: 728
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: 182
Number of APNIC addresses announced to Internet: 643221216
Equivalent to 38 /8s, 86 /16s and 198 /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: 149612
Total ARIN prefixes after maximum aggregation: 76115
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120912
Unique aggregates announced from the ARIN address blocks: 50246
ARIN Region origin ASes present in the Internet Routing Table: 15023
ARIN Prefixes per ASN: 8.05
ARIN Region origin ASes announcing only one prefix: 5715
ARIN Region transit ASes present in the Internet Routing Table: 1583
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 807013824
Equivalent to 48 /8s, 26 /16s and 13 /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: 101361
Total RIPE prefixes after maximum aggregation: 53599
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 93261
Unique aggregates announced from the RIPE address blocks: 58054
RIPE Region origin ASes present in the Internet Routing Table: 16486
RIPE Prefixes per ASN: 5.66
RIPE Region origin ASes announcing only one prefix: 8038
RIPE Region transit ASes present in the Internet Routing Table: 2632
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: 1490
Number of RIPE addresses announced to Internet: 509317512
Equivalent to 30 /8s, 91 /16s and 145 /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: 40633
Total LACNIC prefixes after maximum aggregation: 8250
LACNIC Deaggregation factor: 4.93
Prefixes being announced from the LACNIC address blocks: 40462
Unique aggregates announced from the LACNIC address blocks: 20118
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: 438
LACNIC Region transit ASes present in the Internet Routing Table: 297
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 522
Number of LACNIC addresses announced to Internet: 99299720
Equivalent to 5 /8s, 235 /16s and 49 /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: 8741
Total AfriNIC prefixes after maximum aggregation: 2114
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6812
Unique aggregates announced from the AfriNIC address blocks: 2125
AfriNIC Region origin ASes present in the Internet Routing Table: 532
AfriNIC Prefixes per ASN: 12.80
AfriNIC Region origin ASes announcing only one prefix: 164
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: 31644416
Equivalent to 1 /8s, 226 /16s and 219 /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 2488 11113 1009 Korea Telecom (KIX)
17974 1799 503 63 PT TELEKOMUNIKASI INDONESIA
7545 1664 301 87 TPG Internet Pty Ltd
4755 1590 388 166 TATA Communications formerly
9583 1249 95 542 Sify Limited
9829 1232 1041 30 BSNL National Internet Backbo
7552 1171 1062 11 Vietel Corporation
4808 1096 2050 316 CNCGROUP IP network: China169
24560 1023 385 167 Bharti Airtel Ltd., Telemedia
18101 947 131 160 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 1279 9774 828 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 1709 544 16 Corbina telecom
2118 1304 97 14 EUnet/RELCOM Autonomous Syste
34984 681 188 175 BILISIM TELEKOM
31148 679 37 9 FreeNet ISP
12479 657 661 62 Uni2 Autonomous System
20940 641 204 494 Akamai Technologies European
6830 639 1943 410 UPC Distribution Services
8551 573 360 81 Bezeq International
3320 533 8442 399 Deutsche Telekom AG
2578 501 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 1803 326 174 TVCABLE BOGOTA
28573 1777 1107 59 NET Servicos de Comunicao S.A
6503 1533 418 65 AVANTEL, S.A.
8151 1483 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 689 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 1235 958 13 TEDATA
24863 698 274 35 LINKdotNET AS number
6713 489 649 18 Itissalat Al-MAGHRIB
3741 265 921 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
33776 195 12 24 Starcomms Nigeria Limited
24835 178 80 8 RAYA Telecom - Egypt
16637 172 666 82 MTN Network Solutions
15706 169 32 6 Sudatel Internet Exchange Aut
29571 161 15 16 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 2488 11113 1009 Korea Telecom (KIX)
18566 2091 382 179 Covad Communications
1785 1901 680 130 PaeTec Communications, Inc.
10620 1803 326 174 TVCABLE BOGOTA
17974 1799 503 63 PT TELEKOMUNIKASI INDONESIA
28573 1777 1107 59 NET Servicos de Comunicao S.A
8402 1709 544 16 Corbina telecom
7545 1664 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.
17974 1799 1736 PT TELEKOMUNIKASI INDONESIA
28573 1777 1718 NET Servicos de Comunicao S.A
8402 1709 1693 Corbina telecom
10620 1803 1629 TVCABLE BOGOTA
7545 1664 1577 TPG Internet Pty Ltd
4766 2488 1479 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
37.233.0.0/18 31252 StarNet Communications
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 /15:1479 /16:12195 /17:6277 /18:10517
/19:20622 /20:28877 /21:29869 /22:40487 /23:37734 /24:212320
/25:1194 /26:1422 /27:783 /28:160 /29:59 /30:17
/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
10620 1695 1803 TVCABLE BOGOTA
8402 1686 1709 Corbina telecom
30036 1375 1429 Mediacom Communications Corp
6503 1291 1533 AVANTEL, S.A.
11492 1149 1186 Cable One
1785 1069 1901 PaeTec Communications, Inc.
7011 1068 1183 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:532 2:715 4:14 6:3 8:401 12:1997
13:1 14:599 15:12 16:3 17:7 20:8
23:159 24:1769 27:1269 31:975 32:57 33:2
34:2 36:8 37:345 38:793 40:120 41:3050
42:135 44:3 46:1471 47:3 49:383 50:535
52:13 54:7 55:7 56:3 57:31 58:974
59:520 60:282 61:1262 62:979 63:1990 64:4163
65:2253 66:4500 67:2029 68:1152 69:3155 70:907
71:476 72:1819 74:2594 75:495 76:318 77:968
78:1005 79:490 80:1208 81:902 82:660 83:548
84:490 85:1206 86:405 87:925 88:351 89:1631
90:297 91:4724 92:521 93:1350 94:1471 95:1145
96:360 97:319 98:902 99:37 100:7 101:173
103:983 106:105 107:184 108:229 109:1307 110:751
111:920 112:454 113:595 114:623 115:871 116:905
117:717 118:902 119:1219 120:336 121:806 122:1672
123:1091 124:1370 125:1265 128:559 129:190 130:250
131:595 132:173 133:21 134:242 135:62 136:210
137:177 138:355 139:147 140:489 141:244 142:387
143:398 144:516 145:69 146:494 147:278 148:768
149:301 150:160 151:176 152:464 153:172 154:7
155:428 156:212 157:379 158:177 159:522 160:336
161:259 162:352 163:190 164:570 165:394 166:571
167:464 168:816 169:127 170:857 171:127 172:4
173:1719 174:582 175:430 176:487 177:647 178:1333
180:1190 181:73 182:797 183:285 184:453 185:1
186:2186 187:1030 188:1187 189:1798 190:5530 192:5999
193:5546 194:4634 195:3580 196:1280 197:121 198:3629
199:4494 200:5801 201:1926 202:8562 203:8611 204:4346
205:2488 206:2748 207:2775 208:4051 209:3587 210:2760
211:1478 212:2004 213:1905 214:833 215:104 216:5090
217:1525 218:543 219:344 220:1226 221:556 222:323
223:334
End of report
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