Routing Table Report 04:00 +10GMT Sun 05 Feb, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 395714
Prefixes after maximum aggregation: 169415
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 191801
Total ASes present in the Internet Routing Table: 39996
Prefixes per ASN: 9.89
Origin-only ASes present in the Internet Routing Table: 32683
Origin ASes announcing only one prefix: 15523
Transit ASes present in the Internet Routing Table: 5394
Transit-only ASes present in the Internet Routing Table: 141
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: 314
Unregistered ASNs in the Routing Table: 119
Number of 32-bit ASNs allocated by the RIRs: 2265
Number of 32-bit ASNs visible in the Routing Table: 1919
Prefixes from 32-bit ASNs in the Routing Table: 4660
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 117
Number of addresses announced to Internet: 2512339664
Equivalent to 149 /8s, 191 /16s and 66 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 167756
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97677
Total APNIC prefixes after maximum aggregation: 31535
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 93980
Unique aggregates announced from the APNIC address blocks: 39058
APNIC Region origin ASes present in the Internet Routing Table: 4648
APNIC Prefixes per ASN: 20.22
APNIC Region origin ASes announcing only one prefix: 1239
APNIC Region transit ASes present in the Internet Routing Table: 732
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: 139
Number of APNIC addresses announced to Internet: 635839840
Equivalent to 37 /8s, 230 /16s and 37 /24s
Percentage of available APNIC address space announced: 80.6
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: 148067
Total ARIN prefixes after maximum aggregation: 75387
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 120068
Unique aggregates announced from the ARIN address blocks: 49282
ARIN Region origin ASes present in the Internet Routing Table: 14882
ARIN Prefixes per ASN: 8.07
ARIN Region origin ASes announcing only one prefix: 5686
ARIN Region transit ASes present in the Internet Routing Table: 1577
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 804282816
Equivalent to 47 /8s, 240 /16s and 97 /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: 97967
Total RIPE prefixes after maximum aggregation: 52281
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 89835
Unique aggregates announced from the RIPE address blocks: 55878
RIPE Region origin ASes present in the Internet Routing Table: 16286
RIPE Prefixes per ASN: 5.52
RIPE Region origin ASes announcing only one prefix: 7995
RIPE Region transit ASes present in the Internet Routing Table: 2596
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: 1322
Number of RIPE addresses announced to Internet: 498632584
Equivalent to 29 /8s, 184 /16s and 135 /24s
Percentage of available RIPE address space announced: 80.3
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: 38167
Total LACNIC prefixes after maximum aggregation: 8055
LACNIC Deaggregation factor: 4.74
Prefixes being announced from the LACNIC address blocks: 37787
Unique aggregates announced from the LACNIC address blocks: 19435
LACNIC Region origin ASes present in the Internet Routing Table: 1568
LACNIC Prefixes per ASN: 24.10
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 295
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 439
Number of LACNIC addresses announced to Internet: 95963784
Equivalent to 5 /8s, 184 /16s and 74 /24s
Percentage of available LACNIC address space announced: 63.6
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: 9014
Total AfriNIC prefixes after maximum aggregation: 2085
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 7024
Unique aggregates announced from the AfriNIC address blocks: 2145
AfriNIC Region origin ASes present in the Internet Routing Table: 510
AfriNIC Prefixes per ASN: 13.77
AfriNIC Region origin ASes announcing only one prefix: 163
AfriNIC Region transit ASes present in the Internet Routing Table: 116
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: 30834176
Equivalent to 1 /8s, 214 /16s and 126 /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 11102 982 Korea Telecom (KIX)
17974 1723 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1643 303 86 TPG Internet Pty Ltd
4755 1528 385 155 TATA Communications formerly
7552 1408 1064 7 Vietel Corporation
9829 1169 989 28 BSNL National Internet Backbo
9583 1123 82 483 Sify Limited
4808 1102 2051 313 CNCGROUP IP network: China169
24560 1014 385 167 Bharti Airtel Ltd., Telemedia
18101 950 130 155 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 3444 3807 201 bellsouth.net, inc.
7029 3223 1017 199 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1866 680 125 PaeTec Communications, Inc.
20115 1627 1552 627 Charter Communications
4323 1609 1062 384 Time Warner Telecom
22773 1499 2910 109 Cox Communications, Inc.
30036 1430 253 752 Mediacom Communications Corp
19262 1386 4683 400 Verizon Global Networks
7018 1303 7007 848 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 1698 480 15 Corbina telecom
2118 1391 99 14 EUnet/RELCOM Autonomous Syste
15557 1096 2161 64 LDCOM NETWORKS
34984 643 188 172 BILISIM TELEKOM
6830 642 1927 412 UPC Distribution Services
20940 602 195 467 Akamai Technologies European
12479 561 642 54 Uni2 Autonomous System
31148 536 37 9 FreeNet ISP
3320 531 8162 397 Deutsche Telekom AG
8551 531 360 81 Bezeq International
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 1735 323 170 TVCABLE BOGOTA
28573 1636 1085 69 NET Servicos de Comunicao S.A
8151 1337 2995 344 UniNet S.A. de C.V.
7303 1260 757 180 Telecom Argentina Stet-France
26615 816 616 33 Tim Brasil S.A.
11172 698 95 75 Servicios Alestra S.A de C.V
27947 649 73 99 Telconet S.A
22047 581 322 17 VTR PUNTO NET S.A.
3816 550 237 91 Empresa Nacional de Telecomun
7738 550 1050 31 Telecomunicacoes da Bahia S.A
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 1218 958 13 TEDATA
24863 834 155 43 LINKdotNET AS number
6713 485 649 18 Itissalat Al-MAGHRIB
3741 280 939 229 The Internet Solution
15706 238 32 6 Sudatel Internet Exchange Aut
33776 237 13 13 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
24835 193 80 8 RAYA Telecom - Egypt
29571 189 17 11 Ci Telecom Autonomous system
36923 180 20 4 Swift Networks Limited
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 3444 3807 201 bellsouth.net, inc.
7029 3223 1017 199 Windstream Communications Inc
4766 2474 11102 982 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1866 680 125 PaeTec Communications, Inc.
10620 1735 323 170 TVCABLE BOGOTA
17974 1723 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1698 480 15 Corbina telecom
7545 1643 303 86 TPG Internet Pty Ltd
28573 1636 1085 69 NET Servicos de Comunicao S.A
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 3024 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1866 1741 PaeTec Communications, Inc.
17974 1723 1687 PT TELEKOMUNIKASI INDONESIA
8402 1698 1683 Corbina telecom
28573 1636 1567 NET Servicos de Comunicao S.A
10620 1735 1565 TVCABLE BOGOTA
7545 1643 1557 TPG Internet Pty Ltd
4766 2474 1492 Korea Telecom (KIX)
7552 1408 1401 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
23.26.0.0/16 11798 Ericsson Cyberlab West
37.77.176.0/21 16082 Spitfire Digital Networks Aut
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 /11:80 /12:231
/13:458 /14:817 /15:1466 /16:12155 /17:6172 /18:10291
/19:20364 /20:28189 /21:29108 /22:39573 /23:36871 /24:206344
/25:1189 /26:1428 /27:787 /28:43 /29:58 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2853 3223 Windstream Communications Inc
6389 2114 3444 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1677 1698 Corbina telecom
10620 1629 1735 TVCABLE BOGOTA
30036 1388 1430 Mediacom Communications Corp
11492 1117 1154 Cable One
1785 1064 1866 PaeTec Communications, Inc.
15557 1046 1096 LDCOM NETWORKS
7011 1033 1149 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:498 2:475 4:14 5:1 6:3 8:379
12:1953 13:1 14:588 15:11 16:3 17:6
20:9 23:127 24:1725 27:1187 31:848 32:65
33:2 34:2 36:9 37:162 38:790 40:114
41:3156 42:91 43:1 44:3 46:1278 47:3
49:322 50:513 52:13 54:2 55:7 56:3
57:38 58:959 59:492 60:344 61:1187 62:927
63:1999 64:4147 65:2286 66:4420 67:2045 68:1167
69:3151 70:915 71:410 72:1794 74:2639 75:452
76:323 77:966 78:906 79:508 80:1215 81:865
82:562 83:538 84:582 85:1158 86:746 87:907
88:340 89:1539 90:253 91:4445 92:540 93:1552
94:1338 95:1122 96:417 97:310 98:804 99:38
100:20 101:139 103:738 106:4 107:143 108:145
109:1466 110:688 111:843 112:429 113:524 114:597
115:757 116:861 117:723 118:907 119:1249 120:356
121:682 122:1626 123:1070 124:1338 125:1360 128:538
129:189 130:213 131:585 132:164 133:21 134:231
135:59 136:214 137:153 138:285 139:145 140:488
141:260 142:378 143:401 144:510 145:70 146:483
147:228 148:721 149:274 150:168 151:196 152:446
153:170 154:7 155:391 156:211 157:367 158:156
159:513 160:331 161:243 162:341 163:188 164:532
165:394 166:556 167:456 168:765 169:146 170:829
171:108 172:2 173:1751 174:592 175:413 176:462
177:467 178:1247 180:1176 181:61 182:703 183:277
184:430 185:1 186:1956 187:852 188:1041 189:1173
190:5440 192:5973 193:5523 194:4326 195:3388 196:1298
197:180 198:3614 199:4365 200:5707 201:1730 202:8419
203:8599 204:4343 205:2445 206:2745 207:2817 208:4059
209:3553 210:2742 211:1475 212:1974 213:1835 214:850
215:93 216:4978 217:1466 218:553 219:341 220:1254
221:558 222:324 223:274
End of report
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