* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 25 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 456318
Prefixes after maximum aggregation: 186125
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 227028
Total ASes present in the Internet Routing Table: 44353
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 34748
Origin ASes announcing only one prefix: 16162
Transit ASes present in the Internet Routing Table: 5869
Transit-only ASes present in the Internet Routing Table: 145
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1495
Unregistered ASNs in the Routing Table: 679
Number of 32-bit ASNs allocated by the RIRs: 4813
Number of 32-bit ASNs visible in the Routing Table: 3736
Prefixes from 32-bit ASNs in the Routing Table: 10905
Special use prefixes present in the Routing Table: 25
Prefixes being announced from unallocated address space: 214
Number of addresses announced to Internet: 2642900736
Equivalent to 157 /8s, 135 /16s and 119 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.7
Total number of prefixes smaller than registry allocations: 159784
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109737
Total APNIC prefixes after maximum aggregation: 33649
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 111504
Unique aggregates announced from the APNIC address blocks: 45599
APNIC Region origin ASes present in the Internet Routing Table: 4851
APNIC Prefixes per ASN: 22.99
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 818
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 581
Number of APNIC addresses announced to Internet: 725533920
Equivalent to 43 /8s, 62 /16s and 196 /24s
Percentage of available APNIC address space announced: 84.8
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: 158729
Total ARIN prefixes after maximum aggregation: 80440
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 159371
Unique aggregates announced from the ARIN address blocks: 74101
ARIN Region origin ASes present in the Internet Routing Table: 15751
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 6001
ARIN Region transit ASes present in the Internet Routing Table: 1644
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: 19
Number of ARIN addresses announced to Internet: 1081724480
Equivalent to 64 /8s, 121 /16s and 206 /24s
Percentage of available ARIN address space announced: 57.2
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, 62464-63487, 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: 117536
Total RIPE prefixes after maximum aggregation: 60177
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 120950
Unique aggregates announced from the RIPE address blocks: 78388
RIPE Region origin ASes present in the Internet Routing Table: 17235
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8170
RIPE Region transit ASes present in the Internet Routing Table: 2834
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2366
Number of RIPE addresses announced to Internet: 656656224
Equivalent to 39 /8s, 35 /16s and 199 /24s
Percentage of available RIPE address space announced: 95.5
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: 48402
Total LACNIC prefixes after maximum aggregation: 9301
LACNIC Deaggregation factor: 5.20
Prefixes being announced from the LACNIC address blocks: 52764
Unique aggregates announced from the LACNIC address blocks: 24759
LACNIC Region origin ASes present in the Internet Routing Table: 1966
LACNIC Prefixes per ASN: 26.84
LACNIC Region origin ASes announcing only one prefix: 582
LACNIC Region transit ASes present in the Internet Routing Table: 357
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 764
Number of LACNIC addresses announced to Internet: 132441472
Equivalent to 7 /8s, 228 /16s and 229 /24s
Percentage of available LACNIC address space announced: 78.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 10915
Total AfriNIC prefixes after maximum aggregation: 2517
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11515
Unique aggregates announced from the AfriNIC address blocks: 3984
AfriNIC Region origin ASes present in the Internet Routing Table: 641
AfriNIC Prefixes per ASN: 17.96
AfriNIC Region origin ASes announcing only one prefix: 188
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: 6
Number of AfriNIC addresses announced to Internet: 46256640
Equivalent to 2 /8s, 193 /16s and 210 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2930 11559 920 Korea Telecom (KIX)
17974 2556 855 91 PT TELEKOMUNIKASI INDONESIA
7545 2010 320 109 TPG Internet Pty Ltd
4755 1747 391 190 TATA Communications formerly
9829 1518 1205 40 BSNL National Internet Backbo
9583 1290 98 536 Sify Limited
7552 1149 1080 13 Vietel Corporation
4808 1146 2124 334 CNCGROUP IP network: China169
9498 1137 309 71 BHARTI Airtel Ltd.
24560 1077 394 164 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 2998 3691 73 bellsouth.net, inc.
18566 2064 382 184 Covad Communications
1785 1992 677 124 PaeTec Communications, Inc.
22773 1985 2927 123 Cox Communications, Inc.
20115 1666 1617 617 Charter Communications
4323 1625 1138 403 Time Warner Telecom
701 1534 11143 801 UUNET Technologies, Inc.
30036 1336 301 645 Mediacom Communications Corp
7018 1297 11039 830 AT&T WorldNet Services
11492 1221 217 360 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 1691 544 16 Corbina telecom
34984 1281 244 222 BILISIM TELEKOM
2118 1085 97 13 EUnet/RELCOM Autonomous Syste
20940 888 308 696 Akamai Technologies European
13188 825 98 79 Educational Network
31148 805 40 25 FreeNet ISP
8551 774 370 44 Bezeq International
6830 766 2376 440 UPC Distribution Services
12479 684 789 57 Uni2 Autonomous System
34744 675 172 76 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 2832 1559 108 NET Servicos de Comunicao S.A
10620 2674 420 199 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1257 2719 386 UniNet S.A. de C.V.
18881 1002 844 20 Global Village Telecom
6503 864 434 64 AVANTEL, S.A.
27947 797 89 106 Telconet S.A
3816 717 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
6147 663 374 25 Telefonica Del Peru
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 1237 80 4 MOBITEL
24863 884 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 466 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
29571 207 17 12 Ci Telecom Autonomous system
36992 198 527 21 Etisalat MISR
12258 193 28 66 Vodacom Internet Company
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 2998 3691 73 bellsouth.net, inc.
4766 2930 11559 920 Korea Telecom (KIX)
28573 2832 1559 108 NET Servicos de Comunicao S.A
10620 2674 420 199 TVCABLE BOGOTA
17974 2556 855 91 PT TELEKOMUNIKASI INDONESIA
18566 2064 382 184 Covad Communications
7545 2010 320 109 TPG Internet Pty Ltd
1785 1992 677 124 PaeTec Communications, Inc.
22773 1985 2927 123 Cox Communications, Inc.
4755 1747 391 190 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2832 2724 NET Servicos de Comunicao S.A
10620 2674 2475 TVCABLE BOGOTA
17974 2556 2465 PT TELEKOMUNIKASI INDONESIA
4766 2930 2010 Korea Telecom (KIX)
7545 2010 1901 TPG Internet Pty Ltd
18566 2064 1880 Covad Communications
1785 1992 1868 PaeTec Communications, Inc.
22773 1985 1862 Cox Communications, Inc.
8402 1691 1675 Corbina telecom
4755 1747 1557 TATA Communications formerly
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
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
128.0.55.0/24 48571 SC efectRO SRL
128.0.57.0/24 60993 Totalsoft SA
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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.
64.185.230.0/24 27431 JTL Networks Inc.
64.185.231.0/24 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 /9:11 /10:30 /11:91 /12:250
/13:483 /14:899 /15:1601 /16:12707 /17:6667 /18:11191
/19:22238 /20:32048 /21:34445 /22:47908 /23:42279 /24:239623
/25:1300 /26:1641 /27:849 /28:13 /29:11 /30:5
/31:0 /32:11
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications
6389 1721 2998 bellsouth.net, inc.
8402 1385 1691 Corbina telecom
22773 1290 1985 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1203 1336 Mediacom Communications Corp
11492 1183 1221 Cable One
1785 1060 1992 PaeTec Communications, Inc.
6983 1011 1141 ITC^Deltacom
10620 994 2674 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:835 2:841 3:3 4:19 5:802 6:15
8:559 12:1924 13:3 14:848 15:11 16:3
17:10 20:17 23:279 24:1769 27:1488 31:1254
32:43 33:2 34:5 36:47 37:1870 38:879
39:2 40:170 41:2767 42:202 44:8 46:1908
47:2 49:657 50:738 52:12 54:35 55:6
57:26 58:1160 59:576 60:321 61:1413 62:1120
63:2029 64:4311 65:2157 66:4173 67:2045 68:1075
69:3269 70:833 71:489 72:1915 74:2468 75:322
76:303 77:1120 78:1028 79:613 80:1268 81:1005
82:624 83:582 84:546 85:1171 86:434 87:1003
88:539 89:1741 90:146 91:5519 92:607 93:1739
94:1877 95:1673 96:514 97:346 98:1009 99:42
100:30 101:330 103:2833 105:517 106:142 107:207
108:511 109:1839 110:908 111:1063 112:547 113:819
114:692 115:966 116:959 117:801 118:1101 119:1322
120:390 121:733 122:1799 123:1223 124:1377 125:1377
128:640 129:223 130:309 131:662 132:360 133:155
134:267 135:67 136:223 137:242 138:349 139:191
140:211 141:330 142:532 143:381 144:499 145:94
146:507 147:381 148:668 149:348 150:156 151:537
152:420 153:189 154:23 155:409 156:269 157:397
158:279 159:726 160:345 161:450 162:450 163:223
164:603 165:498 166:243 167:597 168:1037 169:130
170:1052 171:180 172:21 173:1583 174:544 175:470
176:966 177:2075 178:1862 179:44 180:1461 181:466
182:1223 183:388 184:662 185:559 186:2263 187:1285
188:2147 189:1286 190:6815 192:6758 193:5673 194:4605
195:3456 196:1363 197:916 198:4495 199:5345 200:5989
201:2229 202:8812 203:8898 204:4511 205:2565 206:2791
207:2844 208:4045 209:3632 210:2944 211:1516 212:2174
213:1970 214:922 215:99 216:5241 217:1615 218:620
219:333 220:1281 221:557 222:323 223:459
End of report
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