Routing Table Report 04:00 +10GMT Fri 06 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 389078
Prefixes after maximum aggregation: 168484
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 190658
Total ASes present in the Internet Routing Table: 39760
Prefixes per ASN: 9.79
Origin-only ASes present in the Internet Routing Table: 32578
Origin ASes announcing only one prefix: 15520
Transit ASes present in the Internet Routing Table: 5361
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 2066
Unregistered ASNs in the Routing Table: 1041
Number of 32-bit ASNs allocated by the RIRs: 2157
Number of 32-bit ASNs visible in the Routing Table: 1821
Prefixes from 32-bit ASNs in the Routing Table: 4338
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 117
Number of addresses announced to Internet: 2506344496
Equivalent to 149 /8s, 99 /16s and 200 /24s
Percentage of available address space announced: 67.6
Percentage of allocated address space announced: 67.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.9
Total number of prefixes smaller than registry allocations: 164987
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96209
Total APNIC prefixes after maximum aggregation: 31395
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92559
Unique aggregates announced from the APNIC address blocks: 38793
APNIC Region origin ASes present in the Internet Routing Table: 4628
APNIC Prefixes per ASN: 20.00
APNIC Region origin ASes announcing only one prefix: 1250
APNIC Region transit ASes present in the Internet Routing Table: 728
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 124
Number of APNIC addresses announced to Internet: 633121408
Equivalent to 37 /8s, 188 /16s and 170 /24s
Percentage of available APNIC address space announced: 80.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 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: 147071
Total ARIN prefixes after maximum aggregation: 74963
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119106
Unique aggregates announced from the ARIN address blocks: 48989
ARIN Region origin ASes present in the Internet Routing Table: 14837
ARIN Prefixes per ASN: 8.03
ARIN Region origin ASes announcing only one prefix: 5687
ARIN Region transit ASes present in the Internet Routing Table: 1575
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 804748480
Equivalent to 47 /8s, 247 /16s and 124 /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: 95535
Total RIPE prefixes after maximum aggregation: 51934
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 87542
Unique aggregates announced from the RIPE address blocks: 55623
RIPE Region origin ASes present in the Internet Routing Table: 16227
RIPE Prefixes per ASN: 5.39
RIPE Region origin ASes announcing only one prefix: 7975
RIPE Region transit ASes present in the Internet Routing Table: 2580
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1270
Number of RIPE addresses announced to Internet: 496017608
Equivalent to 29 /8s, 144 /16s and 160 /24s
Percentage of available RIPE address space announced: 79.9
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: 37159
Total LACNIC prefixes after maximum aggregation: 8045
LACNIC Deaggregation factor: 4.62
Prefixes being announced from the LACNIC address blocks: 36710
Unique aggregates announced from the LACNIC address blocks: 19182
LACNIC Region origin ASes present in the Internet Routing Table: 1559
LACNIC Prefixes per ASN: 23.55
LACNIC Region origin ASes announcing only one prefix: 446
LACNIC Region transit ASes present in the Internet Routing Table: 281
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: 409
Number of LACNIC addresses announced to Internet: 95246216
Equivalent to 5 /8s, 173 /16s and 87 /24s
Percentage of available LACNIC address space announced: 63.1
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: 8604
Total AfriNIC prefixes after maximum aggregation: 2075
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 6636
Unique aggregates announced from the AfriNIC address blocks: 2087
AfriNIC Region origin ASes present in the Internet Routing Table: 506
AfriNIC Prefixes per ASN: 13.11
AfriNIC Region origin ASes announcing only one prefix: 162
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: 4
Number of AfriNIC addresses announced to Internet: 30801152
Equivalent to 1 /8s, 213 /16s and 253 /24s
Percentage of available AfriNIC address space announced: 45.9
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 2460 11100 968 Korea Telecom (KIX)
17974 1718 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1630 303 86 TPG Internet Pty Ltd
4755 1517 385 157 TATA Communications formerly
7552 1412 1064 7 Vietel Corporation
9829 1122 988 28 BSNL National Internet Backbo
9583 1111 81 496 Sify Limited
4808 1091 2036 310 CNCGROUP IP network: China169
24560 986 381 164 Bharti Airtel Ltd., Telemedia
18101 974 131 156 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 3476 3814 217 bellsouth.net, inc.
7029 3161 1017 200 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1863 680 122 PaeTec Communications, Inc.
4323 1620 1065 385 Time Warner Telecom
20115 1616 1551 619 Charter Communications
22773 1518 2909 107 Cox Communications, Inc.
30036 1481 263 688 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1304 7013 855 AT&T WorldNet Services
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 1574 480 15 Corbina telecom
15557 1092 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 645 1928 414 UPC Distribution Services
34984 636 132 198 BILISIM TELEKOM
20940 555 179 442 Akamai Technologies European
12479 551 636 53 Uni2 Autonomous System
3320 531 8162 397 Deutsche Telekom AG
8551 505 360 81 Bezeq International
3292 480 2106 407 TDC Tele Danmark
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 1721 319 159 TVCABLE BOGOTA
28573 1570 1064 76 NET Servicos de Comunicao S.A
8151 1461 2989 345 UniNet S.A. de C.V.
7303 1253 755 177 Telecom Argentina Stet-France
27947 634 73 95 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 547 237 91 Empresa Nacional de Telecomun
6503 538 434 67 AVANTEL, S.A.
11172 533 86 99 Servicios Alestra S.A de C.V
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 1039 958 13 TEDATA
24863 794 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 217 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 191 80 8 RAYA Telecom - Egypt
16637 160 664 82 MTN Network Solutions
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 3476 3814 217 bellsouth.net, inc.
7029 3161 1017 200 Windstream Communications Inc
4766 2460 11100 968 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1863 680 122 PaeTec Communications, Inc.
10620 1721 319 159 TVCABLE BOGOTA
17974 1718 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1630 303 86 TPG Internet Pty Ltd
4323 1620 1065 385 Time Warner Telecom
20115 1616 1551 619 Charter Communications
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 3161 2961 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1863 1741 PaeTec Communications, Inc.
17974 1718 1681 PT TELEKOMUNIKASI INDONESIA
10620 1721 1562 TVCABLE BOGOTA
8402 1574 1559 Corbina telecom
7545 1630 1544 TPG Internet Pty Ltd
28573 1570 1494 NET Servicos de Comunicao S.A
4766 2460 1492 Korea Telecom (KIX)
22773 1518 1411 Cox Communications, Inc.
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
37.35.8.0/21 8400 "TELEKOM SRBIJA" a.d.
37.35.64.0/21 33983 IP network of ARTMOTION n.p.s
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 /10:27 /11:81 /12:237
/13:465 /14:815 /15:1452 /16:12096 /17:6135 /18:10187
/19:20192 /20:27904 /21:28377 /22:38712 /23:36074 /24:202677
/25:1176 /26:1403 /27:780 /28:169 /29:55 /30:14
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2789 3161 Windstream Communications Inc
6389 2121 3476 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1553 1574 Corbina telecom
30036 1440 1481 Mediacom Communications Corp
11492 1114 1151 Cable One
1785 1065 1863 PaeTec Communications, Inc.
7011 1051 1168 Citizens Utilities
15557 1042 1092 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:493 2:427 4:15 5:1 6:3 8:367
12:1949 13:1 14:581 15:11 16:3 17:7
20:9 23:85 24:1709 27:1170 31:788 32:67
33:2 34:2 36:4 37:13 38:794 40:114
41:3018 42:85 43:1 44:3 46:1160 47:3
49:297 50:501 52:13 55:6 56:2 57:41
58:941 59:487 60:343 61:1164 62:937 63:1967
64:4118 65:2302 66:4370 67:2005 68:1166 69:3147
70:928 71:419 72:1786 74:2646 75:442 76:321
77:942 78:895 79:502 80:1189 81:848 82:534
83:530 84:580 85:1167 86:749 87:911 88:349
89:1583 90:260 91:4405 92:535 93:1523 94:1337
95:1049 96:401 97:294 98:798 99:38 100:18
101:126 103:604 106:10 107:121 108:101 109:1422
110:683 111:837 112:429 113:493 114:594 115:737
116:866 117:722 118:887 119:1234 120:385 121:677
122:1620 123:1050 124:1336 125:1349 128:536 129:191
130:189 131:587 132:162 133:21 134:226 135:54
136:213 137:151 138:285 139:136 140:490 141:261
142:381 143:403 144:502 145:67 146:473 147:223
148:630 149:277 150:165 151:192 152:444 153:169
154:7 155:383 156:210 157:366 158:155 159:510
160:344 161:221 162:337 163:188 164:523 165:394
166:552 167:455 168:815 169:147 170:828 171:95
172:4 173:1787 174:586 175:416 176:334 177:452
178:1169 180:1217 181:39 182:682 183:265 184:424
185:1 186:1472 187:816 188:1008 189:1169 190:5351
192:5988 193:5451 194:3787 195:3193 196:1286 197:174
198:3617 199:4248 200:5603 201:1690 202:8510 203:8573
204:4341 205:2425 206:2709 207:2805 208:4009 209:3543
210:2744 211:1475 212:1966 213:1812 214:840 215:94
216:4915 217:1478 218:567 219:338 220:1238 221:565
222:324 223:265
End of report
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