* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 03 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 464382
Prefixes after maximum aggregation: 187601
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 231106
Total ASes present in the Internet Routing Table: 44856
Prefixes per ASN: 10.35
Origin-only ASes present in the Internet Routing Table: 35049
Origin ASes announcing only one prefix: 16251
Transit ASes present in the Internet Routing Table: 5920
Transit-only ASes present in the Internet Routing Table: 179
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 5473
Unregistered ASNs in the Routing Table: 1812
Number of 32-bit ASNs allocated by the RIRs: 4995
Number of 32-bit ASNs visible in the Routing Table: 3887
Prefixes from 32-bit ASNs in the Routing Table: 11833
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 355
Number of addresses announced to Internet: 2639185100
Equivalent to 157 /8s, 78 /16s and 196 /24s
Percentage of available address space announced: 71.3
Percentage of allocated address space announced: 71.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.9
Total number of prefixes smaller than registry allocations: 162214
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110265
Total APNIC prefixes after maximum aggregation: 33497
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 112143
Unique aggregates announced from the APNIC address blocks: 46632
APNIC Region origin ASes present in the Internet Routing Table: 4861
APNIC Prefixes per ASN: 23.07
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 827
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 655
Number of APNIC addresses announced to Internet: 727536576
Equivalent to 43 /8s, 93 /16s and 83 /24s
Percentage of available APNIC address space announced: 85.0
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: 161382
Total ARIN prefixes after maximum aggregation: 80948
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161871
Unique aggregates announced from the ARIN address blocks: 75345
ARIN Region origin ASes present in the Internet Routing Table: 15846
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6022
ARIN Region transit ASes present in the Internet Routing Table: 1668
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: 20
Number of ARIN addresses announced to Internet: 1071174144
Equivalent to 63 /8s, 216 /16s and 210 /24s
Percentage of available ARIN address space announced: 56.7
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: 119020
Total RIPE prefixes after maximum aggregation: 60923
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122873
Unique aggregates announced from the RIPE address blocks: 79177
RIPE Region origin ASes present in the Internet Routing Table: 17391
RIPE Prefixes per ASN: 7.07
RIPE Region origin ASes announcing only one prefix: 8246
RIPE Region transit ASes present in the Internet Routing Table: 2816
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2393
Number of RIPE addresses announced to Internet: 657284324
Equivalent to 39 /8s, 45 /16s and 92 /24s
Percentage of available RIPE address space announced: 95.6
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: 50854
Total LACNIC prefixes after maximum aggregation: 9643
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 55589
Unique aggregates announced from the LACNIC address blocks: 25740
LACNIC Region origin ASes present in the Internet Routing Table: 2005
LACNIC Prefixes per ASN: 27.73
LACNIC Region origin ASes announcing only one prefix: 566
LACNIC Region transit ASes present in the Internet Routing Table: 377
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: 813
Number of LACNIC addresses announced to Internet: 135942696
Equivalent to 8 /8s, 26 /16s and 82 /24s
Percentage of available LACNIC address space announced: 81.0
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: 10939
Total AfriNIC prefixes after maximum aggregation: 2542
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 11551
Unique aggregates announced from the AfriNIC address blocks: 3883
AfriNIC Region origin ASes present in the Internet Routing Table: 652
AfriNIC Prefixes per ASN: 17.72
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 138
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46507264
Equivalent to 2 /8s, 197 /16s and 165 /24s
Percentage of available AfriNIC address space announced: 46.2
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 2917 11561 924 Korea Telecom (KIX)
17974 2667 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2062 321 112 TPG Internet Pty Ltd
4755 1767 391 190 TATA Communications formerly
9829 1544 1225 46 BSNL National Internet Backbo
9583 1227 92 506 Sify Limited
9498 1182 309 70 BHARTI Airtel Ltd.
4808 1155 2128 337 CNCGROUP IP network: China169
7552 1139 1080 13 Vietel Corporation
24560 1089 394 160 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 3069 3689 62 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
22773 2043 2933 125 Cox Communications, Inc.
1785 2006 679 125 PaeTec Communications, Inc.
20115 1674 1645 630 Charter Communications
4323 1615 1103 408 Time Warner Telecom
701 1522 11119 797 UUNET Technologies, Inc.
30036 1349 302 641 Mediacom Communications Corp
7018 1310 11277 828 AT&T WorldNet Services
11492 1220 218 366 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 1719 544 16 Corbina telecom
34984 1311 244 221 BILISIM TELEKOM
31148 982 43 18 FreeNet ISP
20940 976 348 754 Akamai Technologies European
2118 954 97 13 EUnet/RELCOM Autonomous Syste
6830 895 2367 428 UPC Distribution Services
13188 846 99 72 Educational Network
8551 752 370 41 Bezeq International
12479 687 797 53 Uni2 Autonomous System
58113 541 55 339 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 3211 1703 99 NET Servicos de Comunicao S.A
10620 2581 419 244 TVCABLE BOGOTA
7303 1733 1158 223 Telecom Argentina Stet-France
18881 1452 844 20 Global Village Telecom
8151 1286 2774 388 UniNet S.A. de C.V.
11830 933 364 15 Instituto Costarricense de El
27947 839 94 91 Telconet S.A
6503 792 434 63 AVANTEL, S.A.
6147 734 374 25 Telefonica Del Peru
3816 723 302 83 Empresa Nacional de Telecomun
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 1236 112 5 MOBITEL
24863 870 274 30 LINKdotNET AS number
6713 543 633 26 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 217 The Internet Solution
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
12258 193 28 71 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
28573 3211 1703 99 NET Servicos de Comunicao S.A
6389 3069 3689 62 bellsouth.net, inc.
4766 2917 11561 924 Korea Telecom (KIX)
17974 2667 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2581 419 244 TVCABLE BOGOTA
18566 2065 382 184 Covad Communications
7545 2062 321 112 TPG Internet Pty Ltd
22773 2043 2933 125 Cox Communications, Inc.
1785 2006 679 125 PaeTec Communications, Inc.
4755 1767 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
6389 3069 3007 bellsouth.net, inc.
17974 2667 2576 PT TELEKOMUNIKASI INDONESIA
10620 2581 2337 TVCABLE BOGOTA
4766 2917 1993 Korea Telecom (KIX)
7545 2062 1950 TPG Internet Pty Ltd
22773 2043 1918 Cox Communications, Inc.
18566 2065 1881 Covad Communications
1785 2006 1881 PaeTec Communications, Inc.
8402 1719 1703 Corbina telecom
4755 1767 1577 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
30621 UNALLOCATED 12.151.74.0/23 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
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.92.16.0/21 8001 Net Access Corporation
23.92.24.0/22 6939 Hurricane Electric
23.92.48.0/20 29761 OC3 Networks & Web Solutions,
23.92.64.0/24 54540 Incero LLC
23.92.65.0/24 54540 Incero LLC
23.92.66.0/24 54540 Incero LLC
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 /11:93 /12:250
/13:480 /14:906 /15:1617 /16:12782 /17:6686 /18:11093
/19:22697 /20:32342 /21:34994 /22:49116 /23:42860 /24:245927
/25:866 /26:998 /27:466 /28:44 /29:77 /30:17
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
6389 1714 3069 bellsouth.net, inc.
8402 1447 1719 Corbina telecom
22773 1329 2043 Cox Communications, Inc.
36998 1229 1236 MOBITEL
30036 1212 1349 Mediacom Communications Corp
11492 1181 1220 Cable One
1785 1078 2006 PaeTec Communications, Inc.
6983 1025 1152 ITC^Deltacom
7011 932 1175 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:809 2:841 3:3 4:19 5:934 6:19
8:604 9:7 12:1895 13:2 14:870 15:11
16:3 17:11 18:19 20:18 23:373 24:1742
27:1556 31:1418 32:45 33:2 34:5 36:75
37:1836 38:900 39:4 40:179 41:2740 42:253
44:9 46:1956 47:4 49:652 50:838 52:12
54:37 55:4 57:26 58:1168 59:625 60:336
61:1415 62:1223 63:1991 64:4571 65:2296 66:4177
67:2074 68:1088 69:3296 70:863 71:496 72:2003
74:2541 75:326 76:304 77:1167 78:1058 79:626
80:1310 81:1024 82:621 83:583 84:578 85:1229
86:479 87:1046 88:539 89:1828 90:158 91:5603
92:632 93:1664 94:2019 95:1557 96:524 97:347
98:1039 99:44 100:29 101:597 103:3227 105:516
106:139 107:209 108:497 109:1861 110:947 111:1116
112:567 113:792 114:712 115:990 116:970 117:816
118:1123 119:1295 120:369 121:741 122:1867 123:1247
124:1388 125:1421 128:608 129:223 130:309 131:671
132:351 133:160 134:286 135:67 136:255 137:268
138:347 139:179 140:197 141:323 142:552 143:383
144:492 145:101 146:531 147:489 148:685 149:355
150:152 151:565 152:415 153:195 154:30 155:481
156:274 157:408 158:282 159:753 160:350 161:456
162:624 163:222 164:627 165:561 166:255 167:605
168:1031 169:126 170:1081 171:191 172:25 173:1600
174:516 175:499 176:1197 177:2144 178:1901 179:115
180:1522 181:691 182:1259 183:441 184:639 185:795
186:2474 187:1386 188:1908 189:1289 190:7042 192:6949
193:5524 194:4611 195:3584 196:1344 197:960 198:4651
199:5443 200:6017 201:2597 202:8919 203:8907 204:4518
205:2597 206:2836 207:2899 208:3998 209:3623 210:2942
211:1553 212:2264 213:2036 214:915 215:101 216:5296
217:1651 218:623 219:313 220:1277 221:556 222:325
223:504
End of report
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