Routing Table Report 04:00 +10GMT Mon 09 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 388867
Prefixes after maximum aggregation: 168572
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 190798
Total ASes present in the Internet Routing Table: 39762
Prefixes per ASN: 9.78
Origin-only ASes present in the Internet Routing Table: 32580
Origin ASes announcing only one prefix: 15527
Transit ASes present in the Internet Routing Table: 5365
Transit-only ASes present in the Internet Routing Table: 139
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: 2067
Unregistered ASNs in the Routing Table: 1043
Number of 32-bit ASNs allocated by the RIRs: 2166
Number of 32-bit ASNs visible in the Routing Table: 1817
Prefixes from 32-bit ASNs in the Routing Table: 4360
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 115
Number of addresses announced to Internet: 2506919984
Equivalent to 149 /8s, 108 /16s and 144 /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: 164926
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95953
Total APNIC prefixes after maximum aggregation: 31451
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 92309
Unique aggregates announced from the APNIC address blocks: 38810
APNIC Region origin ASes present in the Internet Routing Table: 4630
APNIC Prefixes per ASN: 19.94
APNIC Region origin ASes announcing only one prefix: 1254
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: 127
Number of APNIC addresses announced to Internet: 633416320
Equivalent to 37 /8s, 193 /16s and 42 /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: 147077
Total ARIN prefixes after maximum aggregation: 74994
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119130
Unique aggregates announced from the ARIN address blocks: 49043
ARIN Region origin ASes present in the Internet Routing Table: 14844
ARIN Prefixes per ASN: 8.03
ARIN Region origin ASes announcing only one prefix: 5689
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: 804872896
Equivalent to 47 /8s, 249 /16s and 98 /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: 95743
Total RIPE prefixes after maximum aggregation: 51954
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 87714
Unique aggregates announced from the RIPE address blocks: 55722
RIPE Region origin ASes present in the Internet Routing Table: 16225
RIPE Prefixes per ASN: 5.41
RIPE Region origin ASes announcing only one prefix: 7976
RIPE Region transit ASes present in the Internet Routing Table: 2578
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: 1267
Number of RIPE addresses announced to Internet: 496262088
Equivalent to 29 /8s, 148 /16s and 91 /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: 37048
Total LACNIC prefixes after maximum aggregation: 8045
LACNIC Deaggregation factor: 4.61
Prefixes being announced from the LACNIC address blocks: 36629
Unique aggregates announced from the LACNIC address blocks: 19176
LACNIC Region origin ASes present in the Internet Routing Table: 1561
LACNIC Prefixes per ASN: 23.47
LACNIC Region origin ASes announcing only one prefix: 445
LACNIC Region transit ASes present in the Internet Routing Table: 288
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: 405
Number of LACNIC addresses announced to Internet: 95263112
Equivalent to 5 /8s, 173 /16s and 153 /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: 8524
Total AfriNIC prefixes after maximum aggregation: 2055
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 6556
Unique aggregates announced from the AfriNIC address blocks: 2042
AfriNIC Region origin ASes present in the Internet Routing Table: 504
AfriNIC Prefixes per ASN: 13.01
AfriNIC Region origin ASes announcing only one prefix: 163
AfriNIC Region transit ASes present in the Internet Routing Table: 117
Average AfriNIC Region AS path length visible: 4.6
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: 30701056
Equivalent to 1 /8s, 212 /16s and 118 /24s
Percentage of available AfriNIC address space announced: 45.7
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 2471 11100 969 Korea Telecom (KIX)
17974 1719 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1630 303 86 TPG Internet Pty Ltd
4755 1515 385 157 TATA Communications formerly
9829 1172 989 28 BSNL National Internet Backbo
9583 1111 81 496 Sify Limited
4808 1090 2036 309 CNCGROUP IP network: China169
7552 1075 1062 11 Vietel Corporation
24560 982 380 168 Bharti Airtel Ltd., Telemedia
18101 975 130 156 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.
20115 1617 1552 619 Charter Communications
4323 1607 1064 384 Time Warner Telecom
22773 1516 2909 107 Cox Communications, Inc.
30036 1485 264 691 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 1638 480 15 Corbina telecom
15557 1096 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 563 183 449 Akamai Technologies European
12479 547 636 53 Uni2 Autonomous System
3320 532 8162 398 Deutsche Telekom AG
8551 504 360 81 Bezeq International
3292 481 2106 408 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 1573 1064 76 NET Servicos de Comunicao S.A
8151 1456 2997 344 UniNet S.A. de C.V.
7303 1255 756 178 Telecom Argentina Stet-France
27947 630 73 93 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 1030 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 240 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 188 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 2471 11100 969 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1863 680 122 PaeTec Communications, Inc.
10620 1721 319 159 TVCABLE BOGOTA
17974 1719 503 37 PT TELEKOMUNIKASI INDONESIA
8402 1638 480 15 Corbina telecom
7545 1630 303 86 TPG Internet Pty Ltd
20115 1617 1552 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 1719 1682 PT TELEKOMUNIKASI INDONESIA
8402 1638 1623 Corbina telecom
10620 1721 1562 TVCABLE BOGOTA
7545 1630 1544 TPG Internet Pty Ltd
4766 2471 1502 Korea Telecom (KIX)
28573 1573 1497 NET Servicos de Comunicao S.A
22773 1516 1409 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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>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 /10:27 /11:81 /12:236
/13:466 /14:815 /15:1452 /16:12102 /17:6147 /18:10183
/19:20169 /20:27875 /21:28320 /22:38670 /23:36077 /24:202614
/25:1176 /26:1403 /27:775 /28:163 /29:54 /30:13
/31:0 /32:18
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
8402 1617 1638 Corbina telecom
10620 1616 1721 TVCABLE BOGOTA
30036 1444 1485 Mediacom Communications Corp
11492 1116 1153 Cable One
1785 1065 1863 PaeTec Communications, Inc.
7011 1051 1168 Citizens Utilities
15557 1046 1096 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:492 2:457 4:15 5:1 6:3 8:366
12:1948 13:1 14:581 15:11 16:3 17:7
20:9 23:86 24:1717 27:1168 31:787 32:67
33:2 34:2 36:8 37:77 38:796 40:114
41:2963 42:85 43:1 44:3 45:1 46:1178
47:3 49:313 50:501 52:13 55:8 56:2
57:41 58:941 59:488 60:343 61:1179 62:937
63:1966 64:4112 65:2303 66:4368 67:1989 68:1165
69:3146 70:919 71:419 72:1787 74:2643 75:441
76:320 77:942 78:891 79:498 80:1187 81:859
82:539 83:530 84:586 85:1167 86:747 87:909
88:349 89:1590 90:261 91:4402 92:534 93:1532
94:1330 95:1058 96:403 97:296 98:788 99:38
100:18 101:125 103:614 106:10 107:126 108:102
109:1420 110:681 111:826 112:429 113:483 114:600
115:743 116:864 117:714 118:891 119:1224 120:386
121:673 122:1615 123:1048 124:1337 125:1295 128:535
129:182 130:187 131:586 132:162 133:21 134:226
135:54 136:213 137:151 138:286 139:135 140:490
141:261 142:379 143:397 144:506 145:67 146:473
147:222 148:633 149:276 150:166 151:192 152:444
153:169 154:7 155:392 156:210 157:366 158:155
159:511 160:344 161:221 162:337 163:188 164:526
165:393 166:559 167:455 168:815 169:147 170:829
171:95 172:4 173:1785 174:585 175:418 176:344
177:448 178:1170 180:1215 181:43 182:683 183:266
184:428 185:1 186:1494 187:818 188:1016 189:1175
190:5329 192:5979 193:5458 194:3787 195:3193 196:1277
197:174 198:3621 199:4269 200:5591 201:1633 202:8506
203:8578 204:4343 205:2423 206:2709 207:2798 208:4009
209:3520 210:2746 211:1477 212:1970 213:1816 214:837
215:94 216:4920 217:1472 218:568 219:338 220:1214
221:563 222:324 223:266
End of report
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