* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 26 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 443664
Prefixes after maximum aggregation: 182360
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 217539
Total ASes present in the Internet Routing Table: 43366
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 34193
Origin ASes announcing only one prefix: 15937
Transit ASes present in the Internet Routing Table: 5766
Transit-only ASes present in the Internet Routing Table: 135
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: 381
Unregistered ASNs in the Routing Table: 142
Number of 32-bit ASNs allocated by the RIRs: 3782
Number of 32-bit ASNs visible in the Routing Table: 3407
Prefixes from 32-bit ASNs in the Routing Table: 9427
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 192
Number of addresses announced to Internet: 2617673356
Equivalent to 156 /8s, 6 /16s and 134 /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: 156887
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106304
Total APNIC prefixes after maximum aggregation: 32942
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 107355
Unique aggregates announced from the APNIC address blocks: 43748
APNIC Region origin ASes present in the Internet Routing Table: 4804
APNIC Prefixes per ASN: 22.35
APNIC Region origin ASes announcing only one prefix: 1231
APNIC Region transit ASes present in the Internet Routing Table: 814
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: 435
Number of APNIC addresses announced to Internet: 718625408
Equivalent to 42 /8s, 213 /16s and 90 /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: 156083
Total ARIN prefixes after maximum aggregation: 78915
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156777
Unique aggregates announced from the ARIN address blocks: 71257
ARIN Region origin ASes present in the Internet Routing Table: 15474
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5846
ARIN Region transit ASes present in the Internet Routing Table: 1603
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: 1076439936
Equivalent to 64 /8s, 41 /16s and 43 /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: 113960
Total RIPE prefixes after maximum aggregation: 58883
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117198
Unique aggregates announced from the RIPE address blocks: 74980
RIPE Region origin ASes present in the Internet Routing Table: 17079
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: 2781
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: 2201
Number of RIPE addresses announced to Internet: 653685348
Equivalent to 38 /8s, 246 /16s and 114 /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: 47176
Total LACNIC prefixes after maximum aggregation: 9154
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 50980
Unique aggregates announced from the LACNIC address blocks: 23671
LACNIC Region origin ASes present in the Internet Routing Table: 1831
LACNIC Prefixes per ASN: 27.84
LACNIC Region origin ASes announcing only one prefix: 530
LACNIC Region transit ASes present in the Internet Routing Table: 344
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: 746
Number of LACNIC addresses announced to Internet: 123318056
Equivalent to 7 /8s, 89 /16s and 175 /24s
Percentage of available LACNIC address space announced: 73.5
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: 10575
Total AfriNIC prefixes after maximum aggregation: 2410
AfriNIC Deaggregation factor: 4.39
Prefixes being announced from the AfriNIC address blocks: 11162
Unique aggregates announced from the AfriNIC address blocks: 3710
AfriNIC Region origin ASes present in the Internet Routing Table: 601
AfriNIC Prefixes per ASN: 18.57
AfriNIC Region origin ASes announcing only one prefix: 178
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: 45243904
Equivalent to 2 /8s, 178 /16s and 94 /24s
Percentage of available AfriNIC address space announced: 44.9
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 2928 11558 922 Korea Telecom (KIX)
17974 2495 824 85 PT TELEKOMUNIKASI INDONESIA
7545 1795 301 85 TPG Internet Pty Ltd
4755 1695 382 190 TATA Communications formerly
9829 1425 1140 43 BSNL National Internet Backbo
9583 1208 90 499 Sify Limited
7552 1160 1070 12 Vietel Corporation
4808 1116 2057 321 CNCGROUP IP network: China169
9498 1063 310 75 BHARTI Airtel Ltd.
24560 1047 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 3055 3695 96 bellsouth.net, inc.
7029 2168 1265 210 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1991 2931 127 Cox Communications, Inc.
1785 1960 677 125 PaeTec Communications, Inc.
20115 1694 1610 619 Charter Communications
4323 1605 1140 398 Time Warner Telecom
30036 1354 289 678 Mediacom Communications Corp
7018 1307 10552 858 AT&T WorldNet Services
7011 1209 319 691 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 1059 232 204 BILISIM TELEKOM
13188 841 99 22 Educational Network
12479 829 783 68 Uni2 Autonomous System
31148 762 39 20 FreeNet ISP
20940 750 253 592 Akamai Technologies European
6830 712 2313 433 UPC Distribution Services
8551 711 367 39 Bezeq International
34744 675 186 28 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 2412 1330 84 NET Servicos de Comunicao S.A
10620 2322 398 224 TVCABLE BOGOTA
7303 1681 1147 207 Telecom Argentina Stet-France
6503 1387 435 67 AVANTEL, S.A.
8151 1377 2818 395 UniNet S.A. de C.V.
14754 938 127 75 Telgua S. A.
18881 781 716 18 Global Village Telecom
27947 777 86 99 Telconet S.A
3816 685 306 85 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 1285 80 4 MOBITEL
24863 895 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 529 958 13 TEDATA
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 186 696 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 3055 3695 96 bellsouth.net, inc.
4766 2928 11558 922 Korea Telecom (KIX)
17974 2495 824 85 PT TELEKOMUNIKASI INDONESIA
28573 2412 1330 84 NET Servicos de Comunicao S.A
10620 2322 398 224 TVCABLE BOGOTA
7029 2168 1265 210 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1991 2931 127 Cox Communications, Inc.
1785 1960 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 2495 2410 PT TELEKOMUNIKASI INDONESIA
28573 2412 2328 NET Servicos de Comunicao S.A
10620 2322 2098 TVCABLE BOGOTA
4766 2928 2006 Korea Telecom (KIX)
7029 2168 1958 Windstream Communications Inc
18566 2080 1895 Covad Communications
8402 1906 1890 Corbina telecom
22773 1991 1864 Cox Communications, Inc.
1785 1960 1835 PaeTec Communications, Inc.
7545 1795 1710 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 /14:867 /15:1559 /16:12585 /17:6573 /18:10962
/19:21720 /20:31224 /21:33438 /22:45802 /23:41176 /24:232601
/25:1377 /26:1754 /27:857 /28:183 /29:73 /30:16
/31:0 /32:20
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2030 2080 Covad Communications
6389 1755 3055 bellsouth.net, inc.
8402 1633 1906 Corbina telecom
7029 1556 2168 Windstream Communications Inc
22773 1304 1991 Cox Communications, Inc.
36998 1279 1285 MOBITEL
30036 1242 1354 Mediacom Communications Corp
11492 1170 1208 Cable One
1785 1039 1960 PaeTec Communications, Inc.
7011 959 1209 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:711 2:795 3:3 4:13 5:753 6:3
8:500 12:1933 13:3 14:746 15:11 16:3
17:8 20:24 23:240 24:1800 27:1455 31:1130
32:54 33:2 34:5 36:11 37:1286 38:852
39:2 40:141 41:2659 42:178 44:3 46:1767
47:1 49:606 50:663 52:12 54:28 55:8
57:28 58:1079 59:559 60:259 61:1325 62:1032
63:2026 64:4304 65:2170 66:4256 67:2039 68:1127
69:3264 70:861 71:525 72:1912 74:2548 75:416
76:291 77:1089 78:1042 79:567 80:1234 81:972
82:627 83:549 84:556 85:1160 86:476 87:934
88:378 89:1757 90:261 91:5424 92:625 93:1733
94:2073 95:1589 96:498 97:336 98:1038 99:52
100:30 101:307 103:2152 105:519 106:125 107:206
108:511 109:1794 110:843 111:1014 112:477 113:729
114:673 115:936 116:874 117:795 118:965 119:1271
120:372 121:703 122:1722 123:1174 124:1318 125:1303
128:538 129:199 130:316 131:641 132:315 133:143
134:261 135:62 136:221 137:234 138:341 139:164
140:218 141:311 142:522 143:375 144:479 145:88
146:522 147:345 148:711 149:351 150:162 151:404
152:398 153:191 154:29 155:370 156:243 157:391
158:263 159:711 160:334 161:422 162:368 163:206
164:576 165:447 166:436 167:574 168:1007 169:131
170:1023 171:165 172:4 173:1589 174:572 175:421
176:1130 177:1684 178:1741 180:1373 181:234 182:1184
183:318 184:642 185:254 186:2294 187:1304 188:1933
189:1526 190:6622 192:6366 193:5653 194:4507 195:3487
196:1289 197:907 198:4172 199:5226 200:6058 201:2214
202:8877 203:8716 204:4486 205:2541 206:2789 207:2792
208:4061 209:3533 210:2899 211:1542 212:1986 213:1923
214:904 215:91 216:5213 217:1590 218:599 219:326
220:1262 221:549 222:329 223:468
End of report
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