Routing Table Report 04:00 +10GMT Sun 15 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 390789
Prefixes after maximum aggregation: 168709
Deaggregation factor: 2.32
Unique aggregates announced to Internet: 190916
Total ASes present in the Internet Routing Table: 39827
Prefixes per ASN: 9.81
Origin-only ASes present in the Internet Routing Table: 32591
Origin ASes announcing only one prefix: 15521
Transit ASes present in the Internet Routing Table: 5389
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: 2107
Unregistered ASNs in the Routing Table: 1066
Number of 32-bit ASNs allocated by the RIRs: 2183
Number of 32-bit ASNs visible in the Routing Table: 1847
Prefixes from 32-bit ASNs in the Routing Table: 4429
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 118
Number of addresses announced to Internet: 2509213496
Equivalent to 149 /8s, 143 /16s and 143 /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: 165741
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96407
Total APNIC prefixes after maximum aggregation: 31476
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92760
Unique aggregates announced from the APNIC address blocks: 38873
APNIC Region origin ASes present in the Internet Routing Table: 4634
APNIC Prefixes per ASN: 20.02
APNIC Region origin ASes announcing only one prefix: 1246
APNIC Region transit ASes present in the Internet Routing Table: 733
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: 130
Number of APNIC addresses announced to Internet: 634083976
Equivalent to 37 /8s, 203 /16s and 90 /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: 147450
Total ARIN prefixes after maximum aggregation: 75102
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119459
Unique aggregates announced from the ARIN address blocks: 49128
ARIN Region origin ASes present in the Internet Routing Table: 14847
ARIN Prefixes per ASN: 8.05
ARIN Region origin ASes announcing only one prefix: 5680
ARIN Region transit ASes present in the Internet Routing Table: 1588
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: 804764864
Equivalent to 47 /8s, 247 /16s and 188 /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: 96598
Total RIPE prefixes after maximum aggregation: 51935
RIPE Deaggregation factor: 1.86
Prefixes being announced from the RIPE address blocks: 88460
Unique aggregates announced from the RIPE address blocks: 55577
RIPE Region origin ASes present in the Internet Routing Table: 16248
RIPE Prefixes per ASN: 5.44
RIPE Region origin ASes announcing only one prefix: 7987
RIPE Region transit ASes present in the Internet Routing Table: 2587
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: 1285
Number of RIPE addresses announced to Internet: 497359048
Equivalent to 29 /8s, 165 /16s and 24 /24s
Percentage of available RIPE address space announced: 80.1
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: 37311
Total LACNIC prefixes after maximum aggregation: 8047
LACNIC Deaggregation factor: 4.64
Prefixes being announced from the LACNIC address blocks: 36893
Unique aggregates announced from the LACNIC address blocks: 19274
LACNIC Region origin ASes present in the Internet Routing Table: 1562
LACNIC Prefixes per ASN: 23.62
LACNIC Region origin ASes announcing only one prefix: 446
LACNIC Region transit ASes present in the Internet Routing Table: 286
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: 414
Number of LACNIC addresses announced to Internet: 95381384
Equivalent to 5 /8s, 175 /16s and 103 /24s
Percentage of available LACNIC address space announced: 63.2
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: 8433
Total AfriNIC prefixes after maximum aggregation: 2076
AfriNIC Deaggregation factor: 4.06
Prefixes being announced from the AfriNIC address blocks: 6466
Unique aggregates announced from the AfriNIC address blocks: 2117
AfriNIC Region origin ASes present in the Internet Routing Table: 508
AfriNIC Prefixes per ASN: 12.73
AfriNIC Region origin ASes announcing only one prefix: 162
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: 30830848
Equivalent to 1 /8s, 214 /16s and 113 /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 2473 11100 971 Korea Telecom (KIX)
17974 1715 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1636 303 86 TPG Internet Pty Ltd
4755 1516 385 156 TATA Communications formerly
7552 1425 1064 7 Vietel Corporation
9829 1163 989 28 BSNL National Internet Backbo
4808 1100 2050 311 CNCGROUP IP network: China169
9583 1097 80 502 Sify Limited
24560 1011 384 167 Bharti Airtel Ltd., Telemedia
18101 945 130 155 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 3455 3807 207 bellsouth.net, inc.
7029 3222 1012 201 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1863 680 122 PaeTec Communications, Inc.
20115 1618 1552 619 Charter Communications
4323 1604 1062 382 Time Warner Telecom
22773 1517 2909 108 Cox Communications, Inc.
30036 1489 264 696 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1299 7008 849 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 1664 480 15 Corbina telecom
15557 1096 2161 64 LDCOM NETWORKS
2118 927 99 14 EUnet/RELCOM Autonomous Syste
31148 656 35 9 FreeNet ISP
6830 644 1928 413 UPC Distribution Services
34984 639 188 174 BILISIM TELEKOM
20940 562 182 448 Akamai Technologies European
12479 550 636 53 Uni2 Autonomous System
8551 525 360 81 Bezeq International
3320 517 8157 393 Deutsche Telekom AG
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 1738 321 159 TVCABLE BOGOTA
28573 1579 1066 77 NET Servicos de Comunicao S.A
8151 1461 2997 343 UniNet S.A. de C.V.
7303 1256 756 179 Telecom Argentina Stet-France
27947 636 73 95 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 550 238 92 Empresa Nacional de Telecomun
6503 539 434 68 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 1029 958 13 TEDATA
24863 795 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
33776 240 13 8 Starcomms Nigeria Limited
15706 239 32 6 Sudatel Internet Exchange Aut
29571 214 17 12 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 3455 3807 207 bellsouth.net, inc.
7029 3222 1012 201 Windstream Communications Inc
4766 2473 11100 971 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1863 680 122 PaeTec Communications, Inc.
10620 1738 321 159 TVCABLE BOGOTA
17974 1715 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1664 480 15 Corbina telecom
7545 1636 303 86 TPG Internet Pty Ltd
20115 1618 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 3222 3021 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1863 1741 PaeTec Communications, Inc.
17974 1715 1679 PT TELEKOMUNIKASI INDONESIA
8402 1664 1649 Corbina telecom
10620 1738 1579 TVCABLE BOGOTA
7545 1636 1550 TPG Internet Pty Ltd
4766 2473 1502 Korea Telecom (KIX)
28573 1579 1502 NET Servicos de Comunicao S.A
7552 1425 1418 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
37.46.192.0/21 47869 Netrouting Data Facilities
37.56.0.0/16 47147 VisNetwork Media SRL
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 /12:234
/13:463 /14:817 /15:1459 /16:12120 /17:6143 /18:10193
/19:20194 /20:27996 /21:28538 /22:38861 /23:36414 /24:203578
/25:1180 /26:1422 /27:781 /28:171 /29:54 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2843 3222 Windstream Communications Inc
6389 2116 3455 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1643 1664 Corbina telecom
10620 1633 1738 TVCABLE BOGOTA
30036 1448 1489 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1065 1863 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)
----------------------------------------------
1:492 2:462 4:15 5:1 6:3 8:369
12:1951 13:1 14:583 15:11 16:3 17:6
20:9 23:102 24:1711 27:1175 31:814 32:67
33:2 34:2 36:8 37:87 38:793 40:114
41:2878 42:86 43:1 44:3 46:1216 47:3
49:317 50:508 52:13 55:7 56:2 57:41
58:946 59:492 60:346 61:1182 62:940 63:1963
64:4117 65:2299 66:4381 67:2004 68:1155 69:3149
70:919 71:427 72:1806 74:2647 75:446 76:315
77:949 78:898 79:499 80:1187 81:862 82:550
83:530 84:586 85:1151 86:742 87:908 88:338
89:1599 90:266 91:4418 92:533 93:1543 94:1350
95:1062 96:395 97:296 98:800 99:38 100:18
101:127 103:634 106:10 107:133 108:125 109:1422
110:682 111:839 112:427 113:520 114:609 115:755
116:871 117:726 118:905 119:1229 120:357 121:675
122:1625 123:1050 124:1331 125:1353 128:535 129:192
130:203 131:588 132:162 133:21 134:228 135:59
136:209 137:151 138:288 139:145 140:489 141:260
142:379 143:392 144:504 145:68 146:483 147:223
148:634 149:278 150:166 151:193 152:447 153:170
154:7 155:394 156:210 157:366 158:155 159:511
160:320 161:222 162:337 163:188 164:529 165:391
166:562 167:456 168:853 169:145 170:830 171:103
172:4 173:1776 174:591 175:421 176:349 177:436
178:1185 180:1223 181:43 182:689 183:266 184:430
185:1 186:1496 187:830 188:1034 189:1163 190:5356
192:5990 193:5464 194:3944 195:3315 196:1277 197:167
198:3622 199:4298 200:5639 201:1703 202:8403 203:8583
204:4346 205:2424 206:2739 207:2806 208:4022 209:3551
210:2736 211:1479 212:1973 213:1817 214:835 215:94
216:4938 217:1472 218:560 219:338 220:1244 221:556
222:324 223:267
End of report
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