* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 12 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 445282
Prefixes after maximum aggregation: 183197
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 218904
Total ASes present in the Internet Routing Table: 43555
Prefixes per ASN: 10.22
Origin-only ASes present in the Internet Routing Table: 34305
Origin ASes announcing only one prefix: 16005
Transit ASes present in the Internet Routing Table: 5791
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 366
Unregistered ASNs in the Routing Table: 133
Number of 32-bit ASNs allocated by the RIRs: 4603
Number of 32-bit ASNs visible in the Routing Table: 3459
Prefixes from 32-bit ASNs in the Routing Table: 9623
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 187
Number of addresses announced to Internet: 2622329900
Equivalent to 156 /8s, 77 /16s and 148 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
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: 157177
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107040
Total APNIC prefixes after maximum aggregation: 33167
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 108167
Unique aggregates announced from the APNIC address blocks: 44092
APNIC Region origin ASes present in the Internet Routing Table: 4819
APNIC Prefixes per ASN: 22.45
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 815
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 455
Number of APNIC addresses announced to Internet: 719234592
Equivalent to 42 /8s, 222 /16s and 166 /24s
Percentage of available APNIC address space announced: 84.1
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: 156554
Total ARIN prefixes after maximum aggregation: 79143
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157250
Unique aggregates announced from the ARIN address blocks: 71488
ARIN Region origin ASes present in the Internet Routing Table: 15545
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5888
ARIN Region transit ASes present in the Internet Routing Table: 1614
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: 1078116992
Equivalent to 64 /8s, 66 /16s and 194 /24s
Percentage of available ARIN address space announced: 57.0
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, 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: 114073
Total RIPE prefixes after maximum aggregation: 59078
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 117391
Unique aggregates announced from the RIPE address blocks: 75501
RIPE Region origin ASes present in the Internet Routing Table: 17101
RIPE Prefixes per ASN: 6.86
RIPE Region origin ASes announcing only one prefix: 8152
RIPE Region transit ASes present in the Internet Routing Table: 2800
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2232
Number of RIPE addresses announced to Internet: 654624100
Equivalent to 39 /8s, 4 /16s and 197 /24s
Percentage of available RIPE address space announced: 95.2
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: 47260
Total LACNIC prefixes after maximum aggregation: 9340
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 51072
Unique aggregates announced from the LACNIC address blocks: 23915
LACNIC Region origin ASes present in the Internet Routing Table: 1860
LACNIC Prefixes per ASN: 27.46
LACNIC Region origin ASes announcing only one prefix: 546
LACNIC Region transit ASes present in the Internet Routing Table: 342
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 747
Number of LACNIC addresses announced to Internet: 124641832
Equivalent to 7 /8s, 109 /16s and 226 /24s
Percentage of available LACNIC address space announced: 74.3
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: 10604
Total AfriNIC prefixes after maximum aggregation: 2419
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 11215
Unique aggregates announced from the AfriNIC address blocks: 3738
AfriNIC Region origin ASes present in the Internet Routing Table: 609
AfriNIC Prefixes per ASN: 18.42
AfriNIC Region origin ASes announcing only one prefix: 181
AfriNIC Region transit ASes present in the Internet Routing Table: 131
Average AfriNIC Region AS path length visible: 4.8
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: 45369344
Equivalent to 2 /8s, 180 /16s and 72 /24s
Percentage of available AfriNIC address space announced: 45.1
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 2925 11558 922 Korea Telecom (KIX)
17974 2504 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1829 301 89 TPG Internet Pty Ltd
4755 1698 390 189 TATA Communications formerly
9829 1453 1158 43 BSNL National Internet Backbo
9583 1282 98 534 Sify Limited
7552 1162 1070 12 Vietel Corporation
4808 1117 2058 322 CNCGROUP IP network: China169
9498 1067 310 75 BHARTI Airtel Ltd.
24560 1058 385 161 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 3049 3695 95 bellsouth.net, inc.
7029 2148 1266 215 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1987 2929 124 Cox Communications, Inc.
1785 1958 677 123 PaeTec Communications, Inc.
20115 1681 1612 621 Charter Communications
4323 1613 1139 402 Time Warner Telecom
30036 1346 292 682 Mediacom Communications Corp
7018 1305 10809 853 AT&T WorldNet Services
11492 1207 221 334 Cable One
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 1922 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1087 232 205 BILISIM TELEKOM
13188 840 99 30 Educational Network
12479 835 784 69 Uni2 Autonomous System
31148 768 40 18 FreeNet ISP
20940 766 262 608 Akamai Technologies European
6830 713 2313 434 UPC Distribution Services
8551 711 370 43 Bezeq International
58113 662 73 384 LIR DATACENTER TELECOM 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 2422 1332 85 NET Servicos de Comunicao S.A
10620 2346 403 228 TVCABLE BOGOTA
7303 1667 1145 206 Telecom Argentina Stet-France
8151 1350 2723 398 UniNet S.A. de C.V.
6503 1258 435 68 AVANTEL, S.A.
14754 944 128 77 Telgua S. A.
18881 815 716 18 Global Village Telecom
27947 787 86 100 Telconet S.A
3816 688 306 85 Empresa Nacional de Telecomun
7738 650 1306 35 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 894 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 510 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 190 698 88 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 3049 3695 95 bellsouth.net, inc.
4766 2925 11558 922 Korea Telecom (KIX)
17974 2504 840 86 PT TELEKOMUNIKASI INDONESIA
28573 2422 1332 85 NET Servicos de Comunicao S.A
10620 2346 403 228 TVCABLE BOGOTA
7029 2148 1266 215 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1987 2929 124 Cox Communications, Inc.
1785 1958 677 123 PaeTec Communications, Inc.
8402 1922 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 2504 2418 PT TELEKOMUNIKASI INDONESIA
28573 2422 2337 NET Servicos de Comunicao S.A
10620 2346 2118 TVCABLE BOGOTA
4766 2925 2003 Korea Telecom (KIX)
7029 2148 1933 Windstream Communications Inc
8402 1922 1906 Corbina telecom
18566 2080 1895 Covad Communications
22773 1987 1863 Cox Communications, Inc.
1785 1958 1835 PaeTec Communications, Inc.
7545 1829 1740 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
65119 PRIVATE 8.36.67.0/24 6352 E*Trade Group
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
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 /12:248
/13:482 /14:870 /15:1562 /16:12645 /17:6618 /18:10874
/19:21721 /20:31472 /21:33584 /22:46030 /23:41481 /24:233253
/25:1369 /26:1769 /27:864 /28:182 /29:74 /30:17
/31:0 /32:20
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2030 2080 Covad Communications
6389 1751 3049 bellsouth.net, inc.
8402 1645 1922 Corbina telecom
7029 1566 2148 Windstream Communications Inc
22773 1302 1987 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1230 1346 Mediacom Communications Corp
11492 1169 1207 Cable One
1785 1038 1958 PaeTec Communications, Inc.
7011 939 1185 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:721 2:795 3:3 4:13 5:690 6:3
8:504 12:1932 13:3 14:749 15:11 16:3
17:8 20:24 23:239 24:1800 27:1447 31:1079
32:54 33:2 34:5 36:27 37:1333 38:859
39:2 40:159 41:2719 42:178 44:4 46:1768
47:1 49:608 50:666 52:12 54:28 55:9
57:28 58:1088 59:567 60:296 61:1353 62:1027
63:2042 64:4295 65:2180 66:4239 67:2057 68:1107
69:3270 70:862 71:523 72:1899 74:2550 75:401
76:287 77:1085 78:1028 79:567 80:1233 81:973
82:638 83:557 84:557 85:1162 86:474 87:946
88:375 89:1760 90:262 91:5426 92:598 93:1739
94:1860 95:1638 96:497 97:336 98:1037 99:41
100:29 101:303 103:2263 105:517 106:131 107:207
108:515 109:1802 110:852 111:1027 112:494 113:761
114:689 115:927 116:881 117:803 118:991 119:1269
120:377 121:707 122:1738 123:1193 124:1322 125:1313
128:541 129:221 130:321 131:645 132:333 133:143
134:254 135:62 136:222 137:240 138:328 139:169
140:197 141:312 142:530 143:383 144:487 145:88
146:522 147:354 148:702 149:356 150:156 151:433
152:405 153:196 154:31 155:378 156:248 157:393
158:266 159:714 160:333 161:424 162:375 163:204
164:579 165:454 166:393 167:573 168:1010 169:130
170:1021 171:167 172:4 173:1591 174:574 175:425
176:1177 177:1734 178:1749 179:1 180:1375 181:270
182:1201 183:336 184:659 185:283 186:2304 187:1294
188:1946 189:1435 190:6623 192:6405 193:5661 194:4517
195:3474 196:1311 197:899 198:4199 199:5256 200:6035
201:2228 202:8903 203:8732 204:4492 205:2550 206:2785
207:2790 208:4071 209:3538 210:2906 211:1560 212:2003
213:1930 214:909 215:97 216:5193 217:1574 218:602
219:329 220:1263 221:546 222:316 223:476
End of report
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