Routing Table Report 04:00 +10GMT Fri 30 Dec, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 388009
Prefixes after maximum aggregation: 168323
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 190023
Total ASes present in the Internet Routing Table: 39701
Prefixes per ASN: 9.77
Origin-only ASes present in the Internet Routing Table: 32553
Origin ASes announcing only one prefix: 15513
Transit ASes present in the Internet Routing Table: 5346
Transit-only ASes present in the Internet Routing Table: 138
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: 1986
Unregistered ASNs in the Routing Table: 1024
Number of 32-bit ASNs allocated by the RIRs: 2139
Number of 32-bit ASNs visible in the Routing Table: 1802
Prefixes from 32-bit ASNs in the Routing Table: 4316
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 117
Number of addresses announced to Internet: 2505259824
Equivalent to 149 /8s, 83 /16s and 59 /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: 91.8
Total number of prefixes smaller than registry allocations: 164459
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95951
Total APNIC prefixes after maximum aggregation: 31392
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92310
Unique aggregates announced from the APNIC address blocks: 38706
APNIC Region origin ASes present in the Internet Routing Table: 4618
APNIC Prefixes per ASN: 19.99
APNIC Region origin ASes announcing only one prefix: 1251
APNIC Region transit ASes present in the Internet Routing Table: 730
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: 125
Number of APNIC addresses announced to Internet: 632737152
Equivalent to 37 /8s, 182 /16s and 205 /24s
Percentage of available APNIC address space announced: 80.2
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: 146738
Total ARIN prefixes after maximum aggregation: 74956
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118857
Unique aggregates announced from the ARIN address blocks: 48877
ARIN Region origin ASes present in the Internet Routing Table: 14822
ARIN Prefixes per ASN: 8.02
ARIN Region origin ASes announcing only one prefix: 5676
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: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 804620480
Equivalent to 47 /8s, 245 /16s and 136 /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: 95202
Total RIPE prefixes after maximum aggregation: 51812
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 87213
Unique aggregates announced from the RIPE address blocks: 55394
RIPE Region origin ASes present in the Internet Routing Table: 16219
RIPE Prefixes per ASN: 5.38
RIPE Region origin ASes announcing only one prefix: 7976
RIPE Region transit ASes present in the Internet Routing Table: 2574
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1258
Number of RIPE addresses announced to Internet: 495362504
Equivalent to 29 /8s, 134 /16s and 161 /24s
Percentage of available RIPE address space announced: 79.8
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: 37047
Total LACNIC prefixes after maximum aggregation: 8023
LACNIC Deaggregation factor: 4.62
Prefixes being announced from the LACNIC address blocks: 36583
Unique aggregates announced from the LACNIC address blocks: 19034
LACNIC Region origin ASes present in the Internet Routing Table: 1558
LACNIC Prefixes per ASN: 23.48
LACNIC Region origin ASes announcing only one prefix: 450
LACNIC Region transit ASes present in the Internet Routing Table: 285
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 401
Number of LACNIC addresses announced to Internet: 95145352
Equivalent to 5 /8s, 171 /16s and 205 /24s
Percentage of available LACNIC address space announced: 63.0
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: 8596
Total AfriNIC prefixes after maximum aggregation: 2069
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 6634
Unique aggregates announced from the AfriNIC address blocks: 2096
AfriNIC Region origin ASes present in the Internet Routing Table: 503
AfriNIC Prefixes per ASN: 13.19
AfriNIC Region origin ASes announcing only one prefix: 160
AfriNIC Region transit ASes present in the Internet Routing Table: 110
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: 30864128
Equivalent to 1 /8s, 214 /16s and 243 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2492 11102 971 Korea Telecom (KIX)
17974 1717 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1628 303 85 TPG Internet Pty Ltd
4755 1516 385 157 TATA Communications formerly
7552 1422 1064 7 Vietel Corporation
9583 1168 88 521 Sify Limited
9829 1167 989 28 BSNL National Internet Backbo
4808 1073 2033 307 CNCGROUP IP network: China169
24560 1004 383 163 Bharti Airtel Ltd., Telemedia
18101 975 131 157 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 3473 3814 220 bellsouth.net, inc.
7029 2916 1017 200 Windstream Communications Inc
18566 2094 383 177 Covad Communications
1785 1861 680 122 PaeTec Communications, Inc.
4323 1622 1065 385 Time Warner Telecom
20115 1614 1550 623 Charter Communications
22773 1516 2909 107 Cox Communications, Inc.
30036 1471 261 690 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1302 7012 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 1571 480 15 Corbina telecom
15557 1092 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 642 1928 413 UPC Distribution Services
34984 634 132 198 BILISIM TELEKOM
12479 552 636 53 Uni2 Autonomous System
20940 547 176 438 Akamai Technologies European
3320 532 8162 398 Deutsche Telekom AG
3292 480 2106 407 TDC Tele Danmark
8866 465 134 27 Bulgarian Telecommunication C
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 1568 1064 75 NET Servicos de Comunicao S.A
8151 1454 2981 351 UniNet S.A. de C.V.
7303 1252 754 175 Telecom Argentina Stet-France
27947 629 73 93 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 548 237 91 Empresa Nacional de Telecomun
6503 539 434 66 AVANTEL, S.A.
11172 530 86 97 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 792 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 249 647 17 Itissalat Al-MAGHRIB
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 216 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 189 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 3473 3814 220 bellsouth.net, inc.
7029 2916 1017 200 Windstream Communications Inc
4766 2492 11102 971 Korea Telecom (KIX)
18566 2094 383 177 Covad Communications
1785 1861 680 122 PaeTec Communications, Inc.
10620 1721 319 159 TVCABLE BOGOTA
17974 1717 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1628 303 85 TPG Internet Pty Ltd
4323 1622 1065 385 Time Warner Telecom
20115 1614 1550 623 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 2916 2716 Windstream Communications Inc
18566 2094 1917 Covad Communications
1785 1861 1739 PaeTec Communications, Inc.
17974 1717 1680 PT TELEKOMUNIKASI INDONESIA
10620 1721 1562 TVCABLE BOGOTA
8402 1571 1556 Corbina telecom
7545 1628 1543 TPG Internet Pty Ltd
4766 2492 1521 Korea Telecom (KIX)
28573 1568 1493 NET Servicos de Comunicao S.A
7552 1422 1415 Vietel Corporation
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 /12:237
/13:465 /14:815 /15:1451 /16:12086 /17:6126 /18:10191
/19:20162 /20:27956 /21:28322 /22:38587 /23:35952 /24:201903
/25:1182 /26:1403 /27:780 /28:166 /29:55 /30:13
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2544 2916 Windstream Communications Inc
6389 2118 3473 bellsouth.net, inc.
18566 2043 2094 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1550 1571 Corbina telecom
30036 1431 1471 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1063 1861 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)
----------------------------------------------
1:471 2:426 4:15 5:1 6:3 8:366
12:1947 13:1 14:576 15:11 16:3 17:7
20:9 23:81 24:1712 27:1120 31:768 32:67
33:2 34:2 36:4 37:9 38:775 40:114
41:3015 42:82 43:1 44:3 46:1150 47:3
49:296 50:471 52:13 55:6 56:2 57:42
58:924 59:488 60:343 61:1174 62:936 63:1968
64:4134 65:2305 66:4375 67:1986 68:1166 69:3131
70:924 71:410 72:1785 74:2644 75:431 76:320
77:934 78:873 79:493 80:1190 81:842 82:526
83:530 84:576 85:1167 86:747 87:901 88:361
89:1593 90:261 91:4377 92:532 93:1522 94:1345
95:1049 96:396 97:288 98:771 99:38 100:2
101:126 103:586 106:11 107:119 108:101 109:1425
110:675 111:830 112:432 113:508 114:595 115:709
116:864 117:719 118:893 119:1227 120:359 121:672
122:1615 123:1034 124:1331 125:1346 128:534 129:189
130:187 131:587 132:163 133:21 134:226 135:54
136:206 137:151 138:285 139:126 140:491 141:257
142:381 143:393 144:502 145:67 146:476 147:221
148:633 149:271 150:165 151:192 152:444 153:169
154:7 155:382 156:210 157:365 158:154 159:505
160:350 161:221 162:334 163:188 164:522 165:390
166:545 167:455 168:812 169:146 170:830 171:95
172:4 173:1811 174:588 175:413 176:321 177:431
178:1151 180:1209 181:39 182:678 183:264 184:426
185:1 186:1475 187:795 188:1007 189:1174 190:5337
192:5981 193:5446 194:3788 195:3183 196:1290 197:174
198:3615 199:4238 200:5573 201:1685 202:8518 203:8513
204:4343 205:2422 206:2682 207:2821 208:3998 209:3562
210:2749 211:1475 212:1942 213:1809 214:808 215:93
216:4913 217:1471 218:566 219:336 220:1257 221:528
222:324 223:265
End of report
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