Routing Table Report 04:00 +10GMT Mon 09 Apr, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 404619
Prefixes after maximum aggregation: 172089
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 196374
Total ASes present in the Internet Routing Table: 40621
Prefixes per ASN: 9.96
Origin-only ASes present in the Internet Routing Table: 33001
Origin ASes announcing only one prefix: 15452
Transit ASes present in the Internet Routing Table: 5431
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 57
Max AS path prepend of ASN ( 9902) 46
Prefixes from unregistered ASNs in the Routing Table: 681
Unregistered ASNs in the Routing Table: 300
Number of 32-bit ASNs allocated by the RIRs: 2347
Number of 32-bit ASNs visible in the Routing Table: 2189
Prefixes from 32-bit ASNs in the Routing Table: 5365
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 1425
Number of addresses announced to Internet: 2533575760
Equivalent to 151 /8s, 3 /16s and 76 /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: 171969
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99067
Total APNIC prefixes after maximum aggregation: 32275
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 95469
Unique aggregates announced from the APNIC address blocks: 39477
APNIC Region origin ASes present in the Internet Routing Table: 4679
APNIC Prefixes per ASN: 20.40
APNIC Region origin ASes announcing only one prefix: 1236
APNIC Region transit ASes present in the Internet Routing Table: 726
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: 172
Number of APNIC addresses announced to Internet: 642910304
Equivalent to 38 /8s, 82 /16s and 8 /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: 149371
Total ARIN prefixes after maximum aggregation: 75848
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120702
Unique aggregates announced from the ARIN address blocks: 49999
ARIN Region origin ASes present in the Internet Routing Table: 14947
ARIN Prefixes per ASN: 8.08
ARIN Region origin ASes announcing only one prefix: 5677
ARIN Region transit ASes present in the Internet Routing Table: 1574
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: 805741760
Equivalent to 48 /8s, 6 /16s and 164 /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: 101067
Total RIPE prefixes after maximum aggregation: 53345
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 92276
Unique aggregates announced from the RIPE address blocks: 57216
RIPE Region origin ASes present in the Internet Routing Table: 16358
RIPE Prefixes per ASN: 5.64
RIPE Region origin ASes announcing only one prefix: 7947
RIPE Region transit ASes present in the Internet Routing Table: 2632
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: 1480
Number of RIPE addresses announced to Internet: 502393864
Equivalent to 29 /8s, 241 /16s and 236 /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: 40317
Total LACNIC prefixes after maximum aggregation: 8210
LACNIC Deaggregation factor: 4.91
Prefixes being announced from the LACNIC address blocks: 39880
Unique aggregates announced from the LACNIC address blocks: 19758
LACNIC Region origin ASes present in the Internet Routing Table: 1572
LACNIC Prefixes per ASN: 25.37
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: 515
Number of LACNIC addresses announced to Internet: 98747016
Equivalent to 5 /8s, 226 /16s and 194 /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: 8956
Total AfriNIC prefixes after maximum aggregation: 2117
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 7012
Unique aggregates announced from the AfriNIC address blocks: 2157
AfriNIC Region origin ASes present in the Internet Routing Table: 523
AfriNIC Prefixes per ASN: 13.41
AfriNIC Region origin ASes announcing only one prefix: 161
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: 31531776
Equivalent to 1 /8s, 225 /16s and 35 /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 1781 503 63 PT TELEKOMUNIKASI INDONESIA
7545 1658 301 85 TPG Internet Pty Ltd
4755 1575 386 158 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 1021 385 167 Bharti Airtel Ltd., Telemedia
18101 947 131 159 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 3432 3807 196 bellsouth.net, inc.
7029 3383 990 156 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 1569 2910 111 Cox Communications, Inc.
30036 1462 265 743 Mediacom Communications Corp
7018 1279 9774 828 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 1833 544 16 Corbina telecom
2118 1394 97 14 EUnet/RELCOM Autonomous Syste
31148 679 37 9 FreeNet ISP
34984 676 188 173 BILISIM TELEKOM
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 1764 1105 61 NET Servicos de Comunicao S.A
6503 1527 418 65 AVANTEL, S.A.
8151 1482 2998 354 UniNet S.A. de C.V.
7303 1352 826 188 Telecom Argentina Stet-France
26615 866 697 32 Tim Brasil S.A.
27947 685 74 99 Telconet S.A
11172 637 107 74 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 1310 958 13 TEDATA
24863 848 274 35 LINKdotNET AS number
6713 490 649 18 Itissalat Al-MAGHRIB
3741 266 921 224 The Internet Solution
33776 208 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 3432 3807 196 bellsouth.net, inc.
7029 3383 990 156 Windstream Communications Inc
4766 2475 11110 997 Korea Telecom (KIX)
18566 2092 383 179 Covad Communications
1785 1893 680 129 PaeTec Communications, Inc.
8402 1833 544 16 Corbina telecom
10620 1795 327 163 TVCABLE BOGOTA
17974 1781 503 63 PT TELEKOMUNIKASI INDONESIA
28573 1764 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 3383 3227 Windstream Communications Inc
18566 2092 1913 Covad Communications
8402 1833 1817 Corbina telecom
1785 1893 1764 PaeTec Communications, Inc.
17974 1781 1718 PT TELEKOMUNIKASI INDONESIA
28573 1764 1703 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 1527 1462 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 /14:830 /15:1477 /16:12179 /17:6282 /18:10501
/19:20609 /20:28807 /21:29757 /22:40437 /23:37591 /24:211671
/25:1180 /26:1421 /27:784 /28:164 /29:59 /30:17
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3042 3383 Windstream Communications Inc
6389 2149 3432 bellsouth.net, inc.
18566 2041 2092 Covad Communications
8402 1810 1833 Corbina telecom
10620 1690 1795 TVCABLE BOGOTA
30036 1402 1462 Mediacom Communications Corp
6503 1286 1527 AVANTEL, S.A.
11492 1148 1185 Cable One
8452 1119 1310 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 2:759 4:14 6:3 8:396 12:1998
13:1 14:597 15:12 16:3 17:7 20:8
23:160 24:1768 27:1268 31:970 32:58 33:2
34:2 36:8 37:317 38:790 40:120 41:3122
42:134 44:3 46:1464 47:3 49:350 50:536
52:12 54:7 55:8 56:3 57:31 58:961
59:494 60:280 61:1202 62:971 63:1997 64:4163
65:2262 66:4499 67:2020 68:1150 69:3168 70:908
71:468 72:1831 74:2601 75:494 76:314 77:968
78:1005 79:498 80:1207 81:900 82:663 83:547
84:491 85:1196 86:404 87:908 88:351 89:1634
90:297 91:4682 92:520 93:1429 94:1477 95:1142
96:379 97:318 98:890 99:37 100:6 101:167
103:956 106:74 107:181 108:220 109:1293 110:754
111:902 112:448 113:592 114:622 115:799 116:910
117:721 118:905 119:1206 120:342 121:694 122:1668
123:1104 124:1372 125:1257 128:557 129:192 130:257
131:594 132:173 133:21 134:243 135:62 136:213
137:176 138:354 139:145 140:490 141:244 142:386
143:398 144:511 145:64 146:486 147:272 148:765
149:299 150:157 151:176 152:462 153:172 154:7
155:428 156:216 157:379 158:175 159:522 160:342
161:256 162:350 163:189 164:572 165:388 166:562
167:464 168:820 169:127 170:845 171:127 172:4
173:1736 174:579 175:429 176:462 177:643 178:1316
180:1182 181:73 182:787 183:285 184:449 185:1
186:2140 187:1027 188:1182 189:1791 190:5451 192:5990
193:5605 194:4615 195:3605 196:1291 197:127 198:3624
199:4482 200:5786 201:1902 202:8487 203:8591 204:4340
205:2480 206:2746 207:2783 208:4052 209:3585 210:2747
211:1476 212:1993 213:1906 214:885 215:109 216:5083
217:1524 218:542 219:323 220:1227 221:554 222:321
223:330
End of report
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