Routing Table Report 04:00 +10GMT Tue 10 Apr, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 405207
Prefixes after maximum aggregation: 172016
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 196403
Total ASes present in the Internet Routing Table: 40633
Prefixes per ASN: 9.97
Origin-only ASes present in the Internet Routing Table: 32998
Origin ASes announcing only one prefix: 15451
Transit ASes present in the Internet Routing Table: 5443
Transit-only ASes present in the Internet Routing Table: 139
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 72
Max AS path prepend of ASN ( 9902) 61
Prefixes from unregistered ASNs in the Routing Table: 687
Unregistered ASNs in the Routing Table: 303
Number of 32-bit ASNs allocated by the RIRs: 2347
Number of 32-bit ASNs visible in the Routing Table: 2192
Prefixes from 32-bit ASNs in the Routing Table: 5390
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 1435
Number of addresses announced to Internet: 2533825616
Equivalent to 151 /8s, 7 /16s and 28 /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: 92.1
Total number of prefixes smaller than registry allocations: 172020
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99473
Total APNIC prefixes after maximum aggregation: 32211
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 95870
Unique aggregates announced from the APNIC address blocks: 39387
APNIC Region origin ASes present in the Internet Routing Table: 4678
APNIC Prefixes per ASN: 20.49
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 732
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 173
Number of APNIC addresses announced to Internet: 643000416
Equivalent to 38 /8s, 83 /16s and 104 /24s
Percentage of available APNIC address space announced: 81.5
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: 149346
Total ARIN prefixes after maximum aggregation: 75844
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120684
Unique aggregates announced from the ARIN address blocks: 50016
ARIN Region origin ASes present in the Internet Routing Table: 14947
ARIN Prefixes per ASN: 8.07
ARIN Region origin ASes announcing only one prefix: 5677
ARIN Region transit ASes present in the Internet Routing Table: 1573
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: 805844672
Equivalent to 48 /8s, 8 /16s and 54 /24s
Percentage of available ARIN address space announced: 64.0
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: 101110
Total RIPE prefixes after maximum aggregation: 53349
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 92291
Unique aggregates announced from the RIPE address blocks: 57240
RIPE Region origin ASes present in the Internet Routing Table: 16360
RIPE Prefixes per ASN: 5.64
RIPE Region origin ASes announcing only one prefix: 7948
RIPE Region transit ASes present in the Internet Routing Table: 2633
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1479
Number of RIPE addresses announced to Internet: 502384136
Equivalent to 29 /8s, 241 /16s and 198 /24s
Percentage of available RIPE address space announced: 80.9
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
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: 40463
Total LACNIC prefixes after maximum aggregation: 8196
LACNIC Deaggregation factor: 4.94
Prefixes being announced from the LACNIC address blocks: 40057
Unique aggregates announced from the LACNIC address blocks: 19794
LACNIC Region origin ASes present in the Internet Routing Table: 1574
LACNIC Prefixes per ASN: 25.45
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 294
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: 518
Number of LACNIC addresses announced to Internet: 98815624
Equivalent to 5 /8s, 227 /16s and 206 /24s
Percentage of available LACNIC address space announced: 65.4
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: 8943
Total AfriNIC prefixes after maximum aggregation: 2118
AfriNIC Deaggregation factor: 4.22
Prefixes being announced from the AfriNIC address blocks: 7003
Unique aggregates announced from the AfriNIC address blocks: 2159
AfriNIC Region origin ASes present in the Internet Routing Table: 522
AfriNIC Prefixes per ASN: 13.42
AfriNIC Region origin ASes announcing only one prefix: 160
AfriNIC Region transit ASes present in the Internet Routing Table: 117
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: 31531008
Equivalent to 1 /8s, 225 /16s and 32 /24s
Percentage of available AfriNIC address space announced: 47.0
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 2475 11110 997 Korea Telecom (KIX)
17974 1786 503 63 PT TELEKOMUNIKASI INDONESIA
7545 1658 301 85 TPG Internet Pty Ltd
4755 1590 388 166 TATA Communications formerly
9583 1245 94 541 Sify Limited
9829 1235 1041 30 BSNL National Internet Backbo
7552 1172 1062 11 Vietel Corporation
4808 1105 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 3429 3807 195 bellsouth.net, inc.
7029 3382 985 157 Windstream Communications Inc
18566 2092 383 179 Covad Communications
1785 1893 680 129 PaeTec Communications, Inc.
20115 1637 1561 617 Charter Communications
4323 1598 1044 380 Time Warner Telecom
22773 1572 2910 111 Cox Communications, Inc.
30036 1463 265 744 Mediacom Communications Corp
7018 1278 9774 827 AT&T WorldNet Services
11492 1185 216 365 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 1855 544 16 Corbina telecom
2118 1394 97 14 EUnet/RELCOM Autonomous Syste
34984 680 188 176 BILISIM TELEKOM
31148 679 37 9 FreeNet ISP
12479 656 658 57 Uni2 Autonomous System
20940 650 206 500 Akamai Technologies European
6830 639 1943 410 UPC Distribution Services
8551 575 360 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 1795 327 163 TVCABLE BOGOTA
28573 1775 1105 61 NET Servicos de Comunicao S.A
6503 1533 418 65 AVANTEL, S.A.
8151 1496 3000 352 UniNet S.A. de C.V.
7303 1352 826 188 Telecom Argentina Stet-France
26615 903 697 32 Tim Brasil S.A.
27947 685 74 99 Telconet S.A
11172 636 91 73 Servicios Alestra S.A de C.V
22047 584 326 15 VTR PUNTO NET S.A.
3816 570 242 100 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 1311 958 13 TEDATA
24863 848 274 35 LINKdotNET AS number
6713 491 649 18 Itissalat Al-MAGHRIB
3741 266 921 224 The Internet Solution
33776 201 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
24835 178 80 8 RAYA Telecom - Egypt
15706 168 32 6 Sudatel Internet Exchange Aut
16637 165 666 83 MTN Network Solutions
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 3429 3807 195 bellsouth.net, inc.
7029 3382 985 157 Windstream Communications Inc
4766 2475 11110 997 Korea Telecom (KIX)
18566 2092 383 179 Covad Communications
1785 1893 680 129 PaeTec Communications, Inc.
8402 1855 544 16 Corbina telecom
10620 1795 327 163 TVCABLE BOGOTA
17974 1786 503 63 PT TELEKOMUNIKASI INDONESIA
28573 1775 1105 61 NET Servicos de Comunicao S.A
7545 1658 301 85 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 3382 3225 Windstream Communications Inc
18566 2092 1913 Covad Communications
8402 1855 1839 Corbina telecom
1785 1893 1764 PaeTec Communications, Inc.
17974 1786 1723 PT TELEKOMUNIKASI INDONESIA
28573 1775 1714 NET Servicos de Comunicao S.A
10620 1795 1632 TVCABLE BOGOTA
7545 1658 1573 TPG Internet Pty Ltd
4766 2475 1478 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
54601 UNALLOCATED 8.14.101.0/24 6461 AboveNet Communicati
54439 UNALLOCATED 8.25.174.0/24 17378 DBS International
54470 UNALLOCATED 8.30.171.0/24 3356 Level 3 Communicatio
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
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
23.27.0.0/20 54500 EGIHosting
23.27.16.0/20 54500 EGIHosting
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
/13:459 /14:831 /15:1481 /16:12181 /17:6282 /18:10497
/19:20618 /20:28818 /21:29796 /22:40414 /23:37709 /24:212104
/25:1178 /26:1423 /27:784 /28:162 /29:59 /30:17
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3042 3382 Windstream Communications Inc
6389 2147 3429 bellsouth.net, inc.
18566 2041 2092 Covad Communications
8402 1832 1855 Corbina telecom
10620 1690 1795 TVCABLE BOGOTA
30036 1403 1463 Mediacom Communications Corp
6503 1291 1533 AVANTEL, S.A.
11492 1148 1185 Cable One
8452 1120 1311 TEDATA
1785 1067 1893 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:532 2:755 4:14 6:3 8:395 12:1997
13:1 14:603 15:12 16:3 17:7 20:8
23:160 24:1768 27:1268 31:970 32:58 33:2
34:2 36:8 37:323 38:792 40:120 41:3115
42:131 44:3 46:1464 47:3 49:350 50:537
52:12 54:7 55:9 56:3 57:31 58:961
59:518 60:280 61:1268 62:975 63:1991 64:4164
65:2260 66:4491 67:2020 68:1150 69:3168 70:908
71:468 72:1832 74:2598 75:494 76:314 77:967
78:1005 79:494 80:1208 81:901 82:663 83:547
84:491 85:1203 86:404 87:919 88:351 89:1636
90:297 91:4679 92:521 93:1453 94:1469 95:1142
96:360 97:318 98:889 99:37 100:7 101:167
103:958 106:105 107:181 108:220 109:1297 110:754
111:904 112:448 113:592 114:621 115:854 116:910
117:723 118:905 119:1206 120:342 121:806 122:1669
123:1106 124:1371 125:1255 128:559 129:190 130:256
131:579 132:173 133:21 134:243 135:62 136:210
137:177 138:354 139:146 140:490 141:244 142:386
143:399 144:513 145:64 146:486 147:272 148:765
149:299 150:160 151:176 152:462 153:172 154:7
155:428 156:216 157:379 158:175 159:522 160:342
161:259 162:350 163:189 164:571 165:388 166:562
167:464 168:810 169:127 170:844 171:127 172:4
173:1742 174:575 175:427 176:465 177:656 178:1322
180:1173 181:73 182:790 183:285 184:455 185:1
186:2185 187:1009 188:1188 189:1790 190:5482 192:5995
193:5606 194:4613 195:3613 196:1290 197:126 198:3625
199:4481 200:5821 201:1900 202:8498 203:8593 204:4343
205:2476 206:2744 207:2783 208:4036 209:3581 210:2761
211:1477 212:1994 213:1899 214:887 215:109 216:5089
217:1524 218:543 219:344 220:1226 221:554 222:322
223:330
End of report
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