Routing Table Report 04:00 +10GMT Wed 11 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 389253
Prefixes after maximum aggregation: 168459
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 190838
Total ASes present in the Internet Routing Table: 39785
Prefixes per ASN: 9.78
Origin-only ASes present in the Internet Routing Table: 32589
Origin ASes announcing only one prefix: 15515
Transit ASes present in the Internet Routing Table: 5369
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: 2081
Unregistered ASNs in the Routing Table: 1048
Number of 32-bit ASNs allocated by the RIRs: 2168
Number of 32-bit ASNs visible in the Routing Table: 1827
Prefixes from 32-bit ASNs in the Routing Table: 4382
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 120
Number of addresses announced to Internet: 2507772984
Equivalent to 149 /8s, 121 /16s and 148 /24s
Percentage of available address space announced: 67.7
Percentage of allocated address space announced: 67.7
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: 165092
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95796
Total APNIC prefixes after maximum aggregation: 31347
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92144
Unique aggregates announced from the APNIC address blocks: 38856
APNIC Region origin ASes present in the Internet Routing Table: 4636
APNIC Prefixes per ASN: 19.88
APNIC Region origin ASes announcing only one prefix: 1251
APNIC Region transit ASes present in the Internet Routing Table: 725
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: 129
Number of APNIC addresses announced to Internet: 634099080
Equivalent to 37 /8s, 203 /16s and 149 /24s
Percentage of available APNIC address space announced: 80.4
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: 147252
Total ARIN prefixes after maximum aggregation: 75001
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119289
Unique aggregates announced from the ARIN address blocks: 49042
ARIN Region origin ASes present in the Internet Routing Table: 14843
ARIN Prefixes per ASN: 8.04
ARIN Region origin ASes announcing only one prefix: 5686
ARIN Region transit ASes present in the Internet Routing Table: 1579
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: 804612032
Equivalent to 47 /8s, 245 /16s and 103 /24s
Percentage of available ARIN address space announced: 63.9
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: 96152
Total RIPE prefixes after maximum aggregation: 51936
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 88170
Unique aggregates announced from the RIPE address blocks: 55766
RIPE Region origin ASes present in the Internet Routing Table: 16229
RIPE Prefixes per ASN: 5.43
RIPE Region origin ASes announcing only one prefix: 7970
RIPE Region transit ASes present in the Internet Routing Table: 2581
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: 496641224
Equivalent to 29 /8s, 154 /16s and 36 /24s
Percentage of available RIPE address space announced: 80.0
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: 37118
Total LACNIC prefixes after maximum aggregation: 8056
LACNIC Deaggregation factor: 4.61
Prefixes being announced from the LACNIC address blocks: 36683
Unique aggregates announced from the LACNIC address blocks: 19168
LACNIC Region origin ASes present in the Internet Routing Table: 1563
LACNIC Prefixes per ASN: 23.47
LACNIC Region origin ASes announcing only one prefix: 447
LACNIC Region transit ASes present in the Internet Routing Table: 289
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: 410
Number of LACNIC addresses announced to Internet: 95251848
Equivalent to 5 /8s, 173 /16s and 109 /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: 8390
Total AfriNIC prefixes after maximum aggregation: 2045
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 6423
Unique aggregates announced from the AfriNIC address blocks: 2035
AfriNIC Region origin ASes present in the Internet Routing Table: 504
AfriNIC Prefixes per ASN: 12.74
AfriNIC Region origin ASes announcing only one prefix: 161
AfriNIC Region transit ASes present in the Internet Routing Table: 115
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: 30761984
Equivalent to 1 /8s, 213 /16s and 100 /24s
Percentage of available AfriNIC address space announced: 45.8
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 11101 973 Korea Telecom (KIX)
17974 1719 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1630 303 86 TPG Internet Pty Ltd
4755 1516 385 157 TATA Communications formerly
9829 1163 989 28 BSNL National Internet Backbo
9583 1116 81 498 Sify Limited
4808 1093 2036 311 CNCGROUP IP network: China169
7552 1074 1062 11 Vietel Corporation
24560 1010 384 167 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 3223 1017 200 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1864 680 123 PaeTec Communications, Inc.
20115 1610 1549 629 Charter Communications
4323 1607 1064 384 Time Warner Telecom
22773 1520 2909 107 Cox Communications, Inc.
30036 1485 264 691 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1303 7029 854 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 1699 480 15 Corbina telecom
15557 1096 2161 64 LDCOM NETWORKS
2118 927 99 14 EUnet/RELCOM Autonomous Syste
6830 644 1928 413 UPC Distribution Services
34984 636 132 198 BILISIM TELEKOM
20940 557 182 445 Akamai Technologies European
12479 551 636 53 Uni2 Autonomous System
3320 531 8162 397 Deutsche Telekom AG
8551 505 360 81 Bezeq International
3292 479 2106 406 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 1720 319 159 TVCABLE BOGOTA
28573 1577 1065 77 NET Servicos de Comunicao S.A
8151 1462 2997 344 UniNet S.A. de C.V.
7303 1256 756 179 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 539 434 67 AVANTEL, S.A.
11172 534 86 100 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 1025 958 13 TEDATA
24863 796 146 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 3223 1017 200 Windstream Communications Inc
4766 2475 11101 973 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1864 680 123 PaeTec Communications, Inc.
10620 1720 319 159 TVCABLE BOGOTA
17974 1719 503 37 PT TELEKOMUNIKASI INDONESIA
8402 1699 480 15 Corbina telecom
7545 1630 303 86 TPG Internet Pty Ltd
20115 1610 1549 629 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 3223 3023 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1864 1741 PaeTec Communications, Inc.
8402 1699 1684 Corbina telecom
17974 1719 1682 PT TELEKOMUNIKASI INDONESIA
10620 1720 1561 TVCABLE BOGOTA
7545 1630 1544 TPG Internet Pty Ltd
4766 2475 1502 Korea Telecom (KIX)
28573 1577 1500 NET Servicos de Comunicao S.A
22773 1520 1413 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
37.34.48.0/21 35470 XL Network
41.222.79.0/24 36938 >>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
/13:465 /14:816 /15:1459 /16:12106 /17:6143 /18:10187
/19:20162 /20:27888 /21:28384 /22:38693 /23:36103 /24:202837
/25:1179 /26:1420 /27:779 /28:169 /29:56 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2843 3223 Windstream Communications Inc
6389 2121 3476 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1678 1699 Corbina telecom
10620 1615 1720 TVCABLE BOGOTA
30036 1444 1485 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1065 1864 PaeTec Communications, Inc.
15557 1046 1096 LDCOM NETWORKS
7011 1042 1159 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:491 2:469 4:15 5:1 6:3 8:368
12:1949 13:1 14:586 15:11 16:3 17:6
20:9 23:94 24:1713 27:1172 31:822 32:67
33:2 34:2 36:8 37:80 38:794 40:114
41:2840 42:85 43:1 44:3 46:1200 47:3
49:315 50:502 52:13 55:8 56:2 57:41
58:942 59:487 60:343 61:1181 62:940 63:1964
64:4119 65:2298 66:4373 67:2004 68:1151 69:3134
70:920 71:427 72:1787 74:2643 75:446 76:321
77:941 78:902 79:498 80:1187 81:845 82:537
83:531 84:586 85:1165 86:747 87:909 88:349
89:1595 90:261 91:4408 92:528 93:1548 94:1354
95:1076 96:400 97:296 98:789 99:38 100:18
101:127 103:621 106:10 107:129 108:105 109:1424
110:683 111:832 112:428 113:510 114:596 115:748
116:861 117:710 118:896 119:1237 120:250 121:674
122:1624 123:1048 124:1335 125:1308 128:537 129:192
130:193 131:587 132:162 133:21 134:226 135:57
136:213 137:151 138:286 139:144 140:490 141:262
142:379 143:400 144:503 145:68 146:476 147:223
148:635 149:277 150:165 151:193 152:443 153:169
154:7 155:393 156:210 157:366 158:155 159:511
160:344 161:222 162:337 163:188 164:515 165:393
166:558 167:455 168:758 169:147 170:830 171:100
172:4 173:1779 174:598 175:418 176:352 177:447
178:1172 180:1221 181:43 182:685 183:267 184:432
185:1 186:1493 187:814 188:1031 189:1162 190:5275
192:5982 193:5461 194:3929 195:3304 196:1281 197:172
198:3624 199:4280 200:5612 201:1694 202:8423 203:8593
204:4341 205:2429 206:2704 207:2808 208:4020 209:3555
210:2746 211:1450 212:1973 213:1813 214:841 215:94
216:4941 217:1474 218:542 219:337 220:1219 221:532
222:325 223:266
End of report
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