* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 19 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 443683
Prefixes after maximum aggregation: 182337
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 217579
Total ASes present in the Internet Routing Table: 43323
Prefixes per ASN: 10.24
Origin-only ASes present in the Internet Routing Table: 34172
Origin ASes announcing only one prefix: 15933
Transit ASes present in the Internet Routing Table: 5759
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 386
Unregistered ASNs in the Routing Table: 141
Number of 32-bit ASNs allocated by the RIRs: 3760
Number of 32-bit ASNs visible in the Routing Table: 3392
Prefixes from 32-bit ASNs in the Routing Table: 9290
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 188
Number of addresses announced to Internet: 2617159052
Equivalent to 155 /8s, 254 /16s and 173 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.3
Total number of prefixes smaller than registry allocations: 156635
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106493
Total APNIC prefixes after maximum aggregation: 33105
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 107568
Unique aggregates announced from the APNIC address blocks: 43906
APNIC Region origin ASes present in the Internet Routing Table: 4814
APNIC Prefixes per ASN: 22.34
APNIC Region origin ASes announcing only one prefix: 1233
APNIC Region transit ASes present in the Internet Routing Table: 811
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 429
Number of APNIC addresses announced to Internet: 718731904
Equivalent to 42 /8s, 214 /16s and 250 /24s
Percentage of available APNIC address space announced: 84.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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, 150/8, 153/8,
163/8, 171/8, 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: 155757
Total ARIN prefixes after maximum aggregation: 78812
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156406
Unique aggregates announced from the ARIN address blocks: 71110
ARIN Region origin ASes present in the Internet Routing Table: 15466
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5842
ARIN Region transit ASes present in the Internet Routing Table: 1604
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1076289664
Equivalent to 64 /8s, 38 /16s and 224 /24s
Percentage of available ARIN address space announced: 56.9
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, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 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: 114368
Total RIPE prefixes after maximum aggregation: 58789
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 117541
Unique aggregates announced from the RIPE address blocks: 75066
RIPE Region origin ASes present in the Internet Routing Table: 17059
RIPE Prefixes per ASN: 6.89
RIPE Region origin ASes announcing only one prefix: 8148
RIPE Region transit ASes present in the Internet Routing Table: 2772
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2195
Number of RIPE addresses announced to Internet: 653717860
Equivalent to 38 /8s, 246 /16s and 241 /24s
Percentage of available RIPE address space announced: 95.0
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
59392-61439, 196608-199679
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,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 47054
Total LACNIC prefixes after maximum aggregation: 9129
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 50777
Unique aggregates announced from the LACNIC address blocks: 23586
LACNIC Region origin ASes present in the Internet Routing Table: 1817
LACNIC Prefixes per ASN: 27.95
LACNIC Region origin ASes announcing only one prefix: 527
LACNIC Region transit ASes present in the Internet Routing Table: 345
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 743
Number of LACNIC addresses announced to Internet: 123115304
Equivalent to 7 /8s, 86 /16s and 151 /24s
Percentage of available LACNIC address space announced: 73.4
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,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 10582
Total AfriNIC prefixes after maximum aggregation: 2447
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 11203
Unique aggregates announced from the AfriNIC address blocks: 3742
AfriNIC Region origin ASes present in the Internet Routing Table: 601
AfriNIC Prefixes per ASN: 18.64
AfriNIC Region origin ASes announcing only one prefix: 183
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 44952320
Equivalent to 2 /8s, 173 /16s and 235 /24s
Percentage of available AfriNIC address space announced: 44.7
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2938 11558 925 Korea Telecom (KIX)
17974 2486 824 85 PT TELEKOMUNIKASI INDONESIA
7545 1824 301 88 TPG Internet Pty Ltd
4755 1686 382 189 TATA Communications formerly
9829 1425 1140 43 BSNL National Internet Backbo
9583 1207 90 499 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1114 2057 319 CNCGROUP IP network: China169
9498 1061 310 75 BHARTI Airtel Ltd.
24560 1045 385 160 Bharti Airtel Ltd., Telemedia
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 3064 3696 100 bellsouth.net, inc.
7029 2166 1265 210 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1987 2931 128 Cox Communications, Inc.
1785 1957 677 125 PaeTec Communications, Inc.
20115 1692 1610 618 Charter Communications
4323 1603 1139 397 Time Warner Telecom
30036 1348 289 679 Mediacom Communications Corp
7018 1306 10552 859 AT&T WorldNet Services
7011 1201 316 683 Citizens Utilities
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 1906 544 16 Corbina telecom
2118 1115 97 13 EUnet/RELCOM Autonomous Syste
34984 1054 232 203 BILISIM TELEKOM
13188 835 99 22 Educational Network
12479 819 783 68 Uni2 Autonomous System
31148 761 39 20 FreeNet ISP
20940 749 255 592 Akamai Technologies European
6830 712 2313 433 UPC Distribution Services
8551 712 367 39 Bezeq International
34744 670 185 43 SC GVM SISTEM 2003 SRL
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
28573 2387 1327 87 NET Servicos de Comunicao S.A
10620 2319 397 223 TVCABLE BOGOTA
7303 1678 1147 205 Telecom Argentina Stet-France
6503 1444 435 67 AVANTEL, S.A.
8151 1378 2833 393 UniNet S.A. de C.V.
14754 940 128 79 Telgua S. A.
27947 776 86 98 Telconet S.A
18881 771 716 18 Global Village Telecom
3816 687 306 87 Empresa Nacional de Telecomun
7738 613 1242 34 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
36998 1286 80 4 MOBITEL
24863 898 275 36 LINKdotNET AS number
8452 539 958 13 TEDATA
6713 533 615 23 Itissalat Al-MAGHRIB
24835 342 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 189 696 90 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 3064 3696 100 bellsouth.net, inc.
4766 2938 11558 925 Korea Telecom (KIX)
17974 2486 824 85 PT TELEKOMUNIKASI INDONESIA
28573 2387 1327 87 NET Servicos de Comunicao S.A
10620 2319 397 223 TVCABLE BOGOTA
7029 2166 1265 210 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1987 2931 128 Cox Communications, Inc.
1785 1957 677 125 PaeTec Communications, Inc.
8402 1906 544 16 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
17974 2486 2401 PT TELEKOMUNIKASI INDONESIA
28573 2387 2300 NET Servicos de Comunicao S.A
10620 2319 2096 TVCABLE BOGOTA
4766 2938 2013 Korea Telecom (KIX)
7029 2166 1956 Windstream Communications Inc
18566 2080 1895 Covad Communications
8402 1906 1890 Corbina telecom
22773 1987 1859 Cox Communications, Inc.
1785 1957 1832 PaeTec Communications, Inc.
7545 1824 1736 TPG Internet Pty Ltd
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
30031 UNALLOCATED 12.27.122.0/24 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 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
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 /8:17 /9:13 /10:29 /11:88 /12:247
/13:483 /14:866 /15:1556 /16:12565 /17:6597 /18:11008
/19:21742 /20:31256 /21:33384 /22:45620 /23:41114 /24:232801
/25:1389 /26:1752 /27:861 /28:183 /29:75 /30:16
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2030 2080 Covad Communications
6389 1758 3064 bellsouth.net, inc.
8402 1634 1906 Corbina telecom
7029 1553 2166 Windstream Communications Inc
22773 1302 1987 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1239 1348 Mediacom Communications Corp
11492 1160 1197 Cable One
1785 1037 1957 PaeTec Communications, Inc.
6503 965 1444 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:670 2:788 3:3 4:13 5:742 6:3
8:499 12:1934 13:3 14:741 15:11 16:3
17:8 20:24 23:238 24:1800 27:1469 31:1146
32:54 33:2 34:5 36:11 37:1290 38:847
39:2 40:141 41:2695 42:179 44:4 46:1820
47:1 49:579 50:657 52:12 54:28 55:8
57:28 58:1084 59:559 60:252 61:1321 62:1026
63:2027 64:4308 65:2178 66:4254 67:2027 68:1125
69:3265 70:858 71:526 72:1876 74:2546 75:413
76:289 77:1090 78:1038 79:551 80:1216 81:963
82:646 83:539 84:555 85:1153 86:470 87:927
88:382 89:1736 90:278 91:5422 92:653 93:1727
94:2038 95:1636 96:506 97:336 98:1039 99:52
100:30 101:309 103:2128 105:519 106:131 107:206
108:511 109:1827 110:851 111:1014 112:491 113:736
114:685 115:927 116:877 117:795 118:977 119:1273
120:375 121:701 122:1730 123:1184 124:1321 125:1312
128:540 129:200 130:316 131:641 132:329 133:143
134:260 135:62 136:218 137:235 138:340 139:158
140:216 141:315 142:520 143:368 144:479 145:88
146:529 147:336 148:716 149:349 150:158 151:400
152:400 153:191 154:29 155:369 156:243 157:391
158:260 159:708 160:332 161:422 162:369 163:202
164:574 165:445 166:435 167:571 168:1005 169:131
170:1020 171:164 172:4 173:1549 174:581 175:419
176:1166 177:1680 178:1734 180:1384 181:233 182:1163
183:322 184:638 185:240 186:2253 187:1311 188:1921
189:1539 190:6628 192:6345 193:5655 194:4645 195:3675
196:1317 197:890 198:4142 199:5227 200:6043 201:2194
202:8912 203:8746 204:4482 205:2547 206:2798 207:2811
208:4062 209:3517 210:2905 211:1559 212:2009 213:1908
214:897 215:91 216:5108 217:1581 218:602 219:328
220:1264 221:550 222:328 223:466
End of report
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