Routing Table Report 04:00 +10GMT Fri 13 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 390213
Prefixes after maximum aggregation: 168608
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 190764
Total ASes present in the Internet Routing Table: 39810
Prefixes per ASN: 9.80
Origin-only ASes present in the Internet Routing Table: 32590
Origin ASes announcing only one prefix: 15515
Transit ASes present in the Internet Routing Table: 5376
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: 2085
Unregistered ASNs in the Routing Table: 1052
Number of 32-bit ASNs allocated by the RIRs: 2172
Number of 32-bit ASNs visible in the Routing Table: 1844
Prefixes from 32-bit ASNs in the Routing Table: 4431
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 119
Number of addresses announced to Internet: 2508965168
Equivalent to 149 /8s, 139 /16s and 197 /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: 165273
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96457
Total APNIC prefixes after maximum aggregation: 31465
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 92814
Unique aggregates announced from the APNIC address blocks: 38882
APNIC Region origin ASes present in the Internet Routing Table: 4635
APNIC Prefixes per ASN: 20.02
APNIC Region origin ASes announcing only one prefix: 1248
APNIC Region transit ASes present in the Internet Routing Table: 731
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: 132
Number of APNIC addresses announced to Internet: 634095240
Equivalent to 37 /8s, 203 /16s and 134 /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: 147250
Total ARIN prefixes after maximum aggregation: 75010
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119274
Unique aggregates announced from the ARIN address blocks: 49066
ARIN Region origin ASes present in the Internet Routing Table: 14847
ARIN Prefixes per ASN: 8.03
ARIN Region origin ASes announcing only one prefix: 5681
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: 804754368
Equivalent to 47 /8s, 247 /16s and 147 /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: 96372
Total RIPE prefixes after maximum aggregation: 51943
RIPE Deaggregation factor: 1.86
Prefixes being announced from the RIPE address blocks: 88301
Unique aggregates announced from the RIPE address blocks: 55569
RIPE Region origin ASes present in the Internet Routing Table: 16233
RIPE Prefixes per ASN: 5.44
RIPE Region origin ASes announcing only one prefix: 7975
RIPE Region transit ASes present in the Internet Routing Table: 2578
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: 1279
Number of RIPE addresses announced to Internet: 497151432
Equivalent to 29 /8s, 161 /16s and 237 /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: 37057
Total LACNIC prefixes after maximum aggregation: 8046
LACNIC Deaggregation factor: 4.61
Prefixes being announced from the LACNIC address blocks: 36750
Unique aggregates announced from the LACNIC address blocks: 19183
LACNIC Region origin ASes present in the Internet Routing Table: 1561
LACNIC Prefixes per ASN: 23.54
LACNIC Region origin ASes announcing only one prefix: 448
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: 415
Number of LACNIC addresses announced to Internet: 95379840
Equivalent to 5 /8s, 175 /16s and 97 /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: 8484
Total AfriNIC prefixes after maximum aggregation: 2071
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 6516
Unique aggregates announced from the AfriNIC address blocks: 2059
AfriNIC Region origin ASes present in the Internet Routing Table: 509
AfriNIC Prefixes per ASN: 12.80
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: 4.5
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: 30818816
Equivalent to 1 /8s, 214 /16s and 66 /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 2474 11100 972 Korea Telecom (KIX)
17974 1718 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1631 303 86 TPG Internet Pty Ltd
4755 1515 385 156 TATA Communications formerly
7552 1410 1064 7 Vietel Corporation
9829 1163 989 28 BSNL National Internet Backbo
9583 1117 81 495 Sify Limited
4808 1103 2053 314 CNCGROUP IP network: China169
24560 1010 384 167 Bharti Airtel Ltd., Telemedia
18101 975 130 155 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 3459 3808 211 bellsouth.net, inc.
7029 3223 1021 201 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1865 680 123 PaeTec Communications, Inc.
20115 1618 1552 619 Charter Communications
4323 1605 1062 382 Time Warner Telecom
22773 1514 2909 107 Cox Communications, Inc.
30036 1488 264 695 Mediacom Communications Corp
19262 1324 4682 401 Verizon Global Networks
7018 1299 7012 850 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 1702 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 638 188 174 BILISIM TELEKOM
20940 559 182 447 Akamai Technologies European
12479 545 636 53 Uni2 Autonomous System
3320 517 8157 393 Deutsche Telekom AG
8551 498 360 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 1726 319 158 TVCABLE BOGOTA
28573 1578 1065 77 NET Servicos de Comunicao S.A
8151 1461 2997 342 UniNet S.A. de C.V.
7303 1256 756 179 Telecom Argentina Stet-France
27947 635 73 95 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 546 237 91 Empresa Nacional de Telecomun
6503 541 434 68 AVANTEL, S.A.
11172 535 86 101 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
15706 243 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 216 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 3459 3808 211 bellsouth.net, inc.
7029 3223 1021 201 Windstream Communications Inc
4766 2474 11100 972 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1865 680 123 PaeTec Communications, Inc.
10620 1726 319 158 TVCABLE BOGOTA
17974 1718 503 37 PT TELEKOMUNIKASI INDONESIA
8402 1702 480 15 Corbina telecom
7545 1631 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 3223 3022 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1865 1742 PaeTec Communications, Inc.
8402 1702 1687 Corbina telecom
17974 1718 1681 PT TELEKOMUNIKASI INDONESIA
10620 1726 1568 TVCABLE BOGOTA
7545 1631 1545 TPG Internet Pty Ltd
4766 2474 1502 Korea Telecom (KIX)
28573 1578 1501 NET Servicos de Comunicao S.A
22773 1514 1407 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
37.46.0.0/21 21371 Interconnect Exchange Europe
37.46.16.0/24 702 UUNET - Commercial IP service
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 /14:817 /15:1459 /16:12117 /17:6144 /18:10187
/19:20194 /20:27978 /21:28519 /22:38847 /23:36176 /24:203363
/25:1166 /26:1405 /27:762 /28:164 /29:49 /30:11
/31:0 /32:15
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2842 3223 Windstream Communications Inc
6389 2115 3459 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1681 1702 Corbina telecom
10620 1621 1726 TVCABLE BOGOTA
30036 1447 1488 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1066 1865 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)
----------------------------------------------
1:493 2:471 4:15 5:1 6:3 8:369
12:1952 13:1 14:585 15:11 16:3 17:6
20:9 23:95 24:1709 27:1178 31:811 32:67
33:2 34:2 36:8 37:86 38:793 40:114
41:2900 42:85 43:1 44:3 46:1211 47:3
49:317 50:503 52:13 55:6 56:2 57:41
58:945 59:490 60:343 61:1179 62:950 63:1966
64:4119 65:2297 66:4376 67:2004 68:1154 69:3150
70:918 71:401 72:1787 74:2649 75:446 76:320
77:944 78:901 79:495 80:1187 81:862 82:532
83:531 84:586 85:1154 86:748 87:908 88:338
89:1597 90:261 91:4412 92:535 93:1544 94:1352
95:1079 96:357 97:296 98:799 99:38 100:18
101:127 103:636 106:10 107:132 108:125 109:1434
110:686 111:836 112:427 113:519 114:608 115:754
116:870 117:725 118:902 119:1235 120:359 121:675
122:1625 123:1046 124:1335 125:1355 128:533 129:192
130:201 131:587 132:161 133:21 134:227 135:58
136:213 137:151 138:288 139:144 140:489 141:261
142:379 143:394 144:503 145:68 146:484 147:223
148:635 149:278 150:166 151:193 152:447 153:170
154:7 155:394 156:210 157:335 158:155 159:511
160:320 161:222 162:336 163:188 164:529 165:391
166:562 167:456 168:829 169:147 170:827 171:101
172:4 173:1779 174:587 175:418 176:350 177:455
178:1178 180:1220 181:43 182:686 183:266 184:431
185:1 186:1483 187:829 188:1034 189:1162 190:5328
192:5981 193:5465 194:3944 195:3303 196:1281 197:171
198:3625 199:4286 200:5565 201:1702 202:8430 203:8600
204:4343 205:2428 206:2705 207:2805 208:4019 209:3555
210:2748 211:1483 212:1970 213:1820 214:835 215:94
216:4938 217:1473 218:559 219:341 220:1248 221:557
222:324 223:267
End of report
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