* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 12 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 455421
Prefixes after maximum aggregation: 185766
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 225991
Total ASes present in the Internet Routing Table: 44284
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 34700
Origin ASes announcing only one prefix: 16151
Transit ASes present in the Internet Routing Table: 5876
Transit-only ASes present in the Internet Routing Table: 148
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 55
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 748
Unregistered ASNs in the Routing Table: 284
Number of 32-bit ASNs allocated by the RIRs: 4789
Number of 32-bit ASNs visible in the Routing Table: 3708
Prefixes from 32-bit ASNs in the Routing Table: 10750
Special use prefixes present in the Routing Table: 25
Prefixes being announced from unallocated address space: 229
Number of addresses announced to Internet: 2625398956
Equivalent to 156 /8s, 124 /16s and 104 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.6
Total number of prefixes smaller than registry allocations: 159862
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109465
Total APNIC prefixes after maximum aggregation: 33507
APNIC Deaggregation factor: 3.27
Prefixes being announced from the APNIC address blocks: 110962
Unique aggregates announced from the APNIC address blocks: 45154
APNIC Region origin ASes present in the Internet Routing Table: 4854
APNIC Prefixes per ASN: 22.86
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 822
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 570
Number of APNIC addresses announced to Internet: 724997856
Equivalent to 43 /8s, 54 /16s and 150 /24s
Percentage of available APNIC address space announced: 84.7
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: 158815
Total ARIN prefixes after maximum aggregation: 80367
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159366
Unique aggregates announced from the ARIN address blocks: 73896
ARIN Region origin ASes present in the Internet Routing Table: 15727
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5979
ARIN Region transit ASes present in the Internet Routing Table: 1650
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: 1065013056
Equivalent to 63 /8s, 122 /16s and 207 /24s
Percentage of available ARIN address space announced: 56.3
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: 117217
Total RIPE prefixes after maximum aggregation: 60029
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 120811
Unique aggregates announced from the RIPE address blocks: 78068
RIPE Region origin ASes present in the Internet Routing Table: 17230
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8176
RIPE Region transit ASes present in the Internet Routing Table: 2823
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 54
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2353
Number of RIPE addresses announced to Internet: 656511076
Equivalent to 39 /8s, 33 /16s and 144 /24s
Percentage of available RIPE address space announced: 95.4
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: 48391
Total LACNIC prefixes after maximum aggregation: 9319
LACNIC Deaggregation factor: 5.19
Prefixes being announced from the LACNIC address blocks: 52763
Unique aggregates announced from the LACNIC address blocks: 24813
LACNIC Region origin ASes present in the Internet Routing Table: 1958
LACNIC Prefixes per ASN: 26.95
LACNIC Region origin ASes announcing only one prefix: 586
LACNIC Region transit ASes present in the Internet Routing Table: 364
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 760
Number of LACNIC addresses announced to Internet: 131915560
Equivalent to 7 /8s, 220 /16s and 223 /24s
Percentage of available LACNIC address space announced: 78.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10682
Total AfriNIC prefixes after maximum aggregation: 2502
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 11290
Unique aggregates announced from the AfriNIC address blocks: 3848
AfriNIC Region origin ASes present in the Internet Routing Table: 630
AfriNIC Prefixes per ASN: 17.92
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 133
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46659328
Equivalent to 2 /8s, 199 /16s and 247 /24s
Percentage of available AfriNIC address space announced: 46.4
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 2957 11559 926 Korea Telecom (KIX)
17974 2535 855 91 PT TELEKOMUNIKASI INDONESIA
7545 1996 320 108 TPG Internet Pty Ltd
4755 1743 391 191 TATA Communications formerly
9829 1515 1205 40 BSNL National Internet Backbo
9583 1221 91 503 Sify Limited
7552 1162 1080 13 Vietel Corporation
4808 1143 2124 334 CNCGROUP IP network: China169
9498 1127 309 70 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 3014 3691 75 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 1992 677 124 PaeTec Communications, Inc.
22773 1990 2929 125 Cox Communications, Inc.
20115 1664 1616 617 Charter Communications
4323 1621 1138 404 Time Warner Telecom
701 1532 11143 800 UUNET Technologies, Inc.
30036 1328 297 641 Mediacom Communications Corp
7018 1297 11039 831 AT&T WorldNet Services
11492 1218 216 359 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 1687 544 16 Corbina telecom
34984 1274 244 222 BILISIM TELEKOM
2118 1069 97 13 EUnet/RELCOM Autonomous Syste
20940 888 310 696 Akamai Technologies European
13188 824 98 78 Educational Network
31148 797 40 24 FreeNet ISP
8551 773 370 43 Bezeq International
6830 767 2376 441 UPC Distribution Services
34744 676 173 59 SC GVM SISTEM 2003 SRL
12479 667 779 67 Uni2 Autonomous System
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 2818 1557 111 NET Servicos de Comunicao S.A
10620 2657 418 209 TVCABLE BOGOTA
7303 1728 1154 218 Telecom Argentina Stet-France
8151 1290 2729 400 UniNet S.A. de C.V.
18881 979 844 20 Global Village Telecom
6503 877 434 65 AVANTEL, S.A.
27947 839 89 107 Telconet S.A
3816 713 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
6147 665 374 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 886 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 453 956 9 TEDATA
3741 261 922 219 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
29571 205 17 9 Ci Telecom Autonomous system
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 191 527 22 Etisalat MISR
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 3014 3691 75 bellsouth.net, inc.
4766 2957 11559 926 Korea Telecom (KIX)
28573 2818 1557 111 NET Servicos de Comunicao S.A
10620 2657 418 209 TVCABLE BOGOTA
17974 2535 855 91 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 1996 320 108 TPG Internet Pty Ltd
1785 1992 677 124 PaeTec Communications, Inc.
22773 1990 2929 125 Cox Communications, Inc.
4755 1743 391 191 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 2818 2707 NET Servicos de Comunicao S.A
10620 2657 2448 TVCABLE BOGOTA
17974 2535 2444 PT TELEKOMUNIKASI INDONESIA
4766 2957 2031 Korea Telecom (KIX)
7545 1996 1888 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 1992 1868 PaeTec Communications, Inc.
22773 1990 1865 Cox Communications, Inc.
8402 1687 1671 Corbina telecom
4755 1743 1552 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 /8:16 /9:11 /10:30 /11:91 /12:250
/13:484 /14:900 /15:1602 /16:12705 /17:6656 /18:11161
/19:22178 /20:32038 /21:34311 /22:47614 /23:42231 /24:239176
/25:1316 /26:1651 /27:852 /28:46 /29:65 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
6389 1731 3014 bellsouth.net, inc.
8402 1384 1687 Corbina telecom
22773 1296 1990 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1197 1328 Mediacom Communications Corp
11492 1180 1218 Cable One
1785 1062 1992 PaeTec Communications, Inc.
6983 1011 1138 ITC^Deltacom
10620 990 2657 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:823 2:836 3:3 4:19 5:780 6:11
8:556 12:1926 13:3 14:831 15:11 16:3
17:10 20:17 23:369 24:1765 27:1476 31:1322
32:43 33:2 34:5 36:40 37:1856 38:871
39:2 40:170 41:2811 42:195 44:6 46:1926
47:2 49:644 50:720 52:12 54:34 55:7
57:26 58:1150 59:574 60:314 61:1405 62:1122
63:2027 64:4313 65:2163 66:4191 67:2041 68:1079
69:3268 70:788 71:487 72:1908 74:2469 75:323
76:302 77:1140 78:1018 79:614 80:1269 81:1006
82:620 83:577 84:538 85:1163 86:455 87:993
88:538 89:1754 90:147 91:5530 92:592 93:1671
94:1866 95:1618 96:514 97:344 98:1004 99:42
100:30 101:325 103:2757 105:517 106:146 107:208
108:511 109:1852 110:898 111:1046 112:540 113:814
114:694 115:965 116:964 117:802 118:1090 119:1316
120:409 121:731 122:1792 123:1217 124:1365 125:1377
128:633 129:222 130:326 131:659 132:347 133:148
134:267 135:66 136:224 137:242 138:345 139:194
140:212 141:326 142:542 143:394 144:503 145:93
146:509 147:383 148:689 149:369 150:164 151:504
152:419 153:193 154:42 155:401 156:267 157:397
158:278 159:729 160:342 161:447 162:414 163:221
164:597 165:495 166:273 167:597 168:1027 169:130
170:1052 171:181 172:21 173:1588 174:542 175:472
176:965 177:2110 178:1859 179:29 180:1460 181:450
182:1218 183:385 184:694 185:527 186:2251 187:1295
188:2151 189:1266 190:6798 192:6655 193:5683 194:4589
195:3422 196:1317 197:907 198:4483 199:5321 200:5976
201:2225 202:8818 203:8908 204:4496 205:2583 206:2802
207:2847 208:4053 209:3614 210:2960 211:1507 212:2190
213:1981 214:935 215:98 216:5233 217:1623 218:619
219:346 220:1271 221:557 222:321 223:456
End of report
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