* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 16 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 459092
Prefixes after maximum aggregation: 186864
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228206
Total ASes present in the Internet Routing Table: 44507
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 34842
Origin ASes announcing only one prefix: 16179
Transit ASes present in the Internet Routing Table: 5883
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: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 2802
Unregistered ASNs in the Routing Table: 1201
Number of 32-bit ASNs allocated by the RIRs: 4878
Number of 32-bit ASNs visible in the Routing Table: 3782
Prefixes from 32-bit ASNs in the Routing Table: 11315
Special use prefixes present in the Routing Table: 27
Prefixes being announced from unallocated address space: 271
Number of addresses announced to Internet: 2628979244
Equivalent to 156 /8s, 179 /16s and 10 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
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: 160572
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110269
Total APNIC prefixes after maximum aggregation: 33810
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112211
Unique aggregates announced from the APNIC address blocks: 46089
APNIC Region origin ASes present in the Internet Routing Table: 4853
APNIC Prefixes per ASN: 23.12
APNIC Region origin ASes announcing only one prefix: 1212
APNIC Region transit ASes present in the Internet Routing Table: 825
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 604
Number of APNIC addresses announced to Internet: 725971168
Equivalent to 43 /8s, 69 /16s and 112 /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: 159089
Total ARIN prefixes after maximum aggregation: 80634
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 159665
Unique aggregates announced from the ARIN address blocks: 73994
ARIN Region origin ASes present in the Internet Routing Table: 15776
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5996
ARIN Region transit ASes present in the Internet Routing Table: 1643
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: 1066462784
Equivalent to 63 /8s, 144 /16s and 238 /24s
Percentage of available ARIN address space announced: 56.4
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: 118629
Total RIPE prefixes after maximum aggregation: 60498
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122093
Unique aggregates announced from the RIPE address blocks: 78891
RIPE Region origin ASes present in the Internet Routing Table: 17292
RIPE Prefixes per ASN: 7.06
RIPE Region origin ASes announcing only one prefix: 8203
RIPE Region transit ASes present in the Internet Routing Table: 2830
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2375
Number of RIPE addresses announced to Internet: 656396900
Equivalent to 39 /8s, 31 /16s and 210 /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: 48804
Total LACNIC prefixes after maximum aggregation: 9354
LACNIC Deaggregation factor: 5.22
Prefixes being announced from the LACNIC address blocks: 53322
Unique aggregates announced from the LACNIC address blocks: 24985
LACNIC Region origin ASes present in the Internet Routing Table: 1980
LACNIC Prefixes per ASN: 26.93
LACNIC Region origin ASes announcing only one prefix: 578
LACNIC Region transit ASes present in the Internet Routing Table: 362
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: 778
Number of LACNIC addresses announced to Internet: 133412776
Equivalent to 7 /8s, 243 /16s and 183 /24s
Percentage of available LACNIC address space announced: 79.5
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: 10897
Total AfriNIC prefixes after maximum aggregation: 2528
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 11530
Unique aggregates announced from the AfriNIC address blocks: 3994
AfriNIC Region origin ASes present in the Internet Routing Table: 649
AfriNIC Prefixes per ASN: 17.77
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 136
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: 46361856
Equivalent to 2 /8s, 195 /16s and 109 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2926 11560 918 Korea Telecom (KIX)
17974 2581 855 92 PT TELEKOMUNIKASI INDONESIA
7545 2025 320 109 TPG Internet Pty Ltd
4755 1757 391 192 TATA Communications formerly
9829 1535 1220 44 BSNL National Internet Backbo
9583 1463 118 564 Sify Limited
4808 1174 2153 337 CNCGROUP IP network: China169
9498 1160 309 71 BHARTI Airtel Ltd.
7552 1159 1080 13 Vietel Corporation
24560 1085 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 2988 3691 69 bellsouth.net, inc.
18566 2066 382 184 Covad Communications
1785 1999 678 126 PaeTec Communications, Inc.
22773 1992 2927 123 Cox Communications, Inc.
20115 1663 1618 615 Charter Communications
4323 1613 1134 403 Time Warner Telecom
701 1530 11127 797 UUNET Technologies, Inc.
30036 1351 304 657 Mediacom Communications Corp
7018 1296 11035 820 AT&T WorldNet Services
11492 1224 218 360 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 1651 544 16 Corbina telecom
34984 1296 244 222 BILISIM TELEKOM
2118 1271 97 13 EUnet/RELCOM Autonomous Syste
20940 905 312 721 Akamai Technologies European
13188 837 98 81 Educational Network
31148 801 40 25 FreeNet ISP
6830 786 2376 441 UPC Distribution Services
8551 781 370 45 Bezeq International
12479 682 789 57 Uni2 Autonomous System
34744 645 160 83 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 2929 1588 107 NET Servicos de Comunicao S.A
10620 2696 423 191 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1268 2749 388 UniNet S.A. de C.V.
18881 1183 844 20 Global Village Telecom
27947 820 94 91 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
3816 713 306 93 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 619 88 65 Servicios Alestra S.A de C.V
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 1172 80 4 MOBITEL
24863 882 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 444 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 220 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
36992 205 527 22 Etisalat MISR
12258 193 28 67 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 2988 3691 69 bellsouth.net, inc.
28573 2929 1588 107 NET Servicos de Comunicao S.A
4766 2926 11560 918 Korea Telecom (KIX)
10620 2696 423 191 TVCABLE BOGOTA
17974 2581 855 92 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
7545 2025 320 109 TPG Internet Pty Ltd
1785 1999 678 126 PaeTec Communications, Inc.
22773 1992 2927 123 Cox Communications, Inc.
4755 1757 391 192 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 2929 2822 NET Servicos de Comunicao S.A
10620 2696 2505 TVCABLE BOGOTA
17974 2581 2489 PT TELEKOMUNIKASI INDONESIA
4766 2926 2008 Korea Telecom (KIX)
7545 2025 1916 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
1785 1999 1873 PaeTec Communications, Inc.
22773 1992 1869 Cox Communications, Inc.
8402 1651 1635 Corbina telecom
4755 1757 1565 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
59628 UNALLOCATED 5.200.128.0/17 48159 Telecommunication In
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
128.0.42.0/24 60619 >>UNKNOWN<<
128.0.43.0/24 60619 >>UNKNOWN<<
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
128.0.56.0/24 60996 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.200.128.0/17 59628 >>UNKNOWN<<
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.
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 /11:92 /12:250
/13:482 /14:903 /15:1602 /16:12717 /17:6640 /18:11046
/19:22479 /20:32128 /21:34569 /22:48393 /23:42475 /24:241310
/25:1306 /26:1637 /27:859 /28:41 /29:69 /30:19
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
6389 1716 2988 bellsouth.net, inc.
8402 1344 1651 Corbina telecom
22773 1295 1992 Cox Communications, Inc.
30036 1218 1351 Mediacom Communications Corp
11492 1185 1224 Cable One
36998 1140 1172 MOBITEL
1785 1068 1999 PaeTec Communications, Inc.
6983 1021 1150 ITC^Deltacom
10620 1001 2696 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:841 2:735 3:3 4:19 5:827 6:16
8:566 12:1913 13:3 14:864 15:11 16:3
17:10 20:17 23:295 24:1778 27:1487 31:1326
32:45 33:2 34:5 36:59 37:1878 38:881
39:2 40:173 41:2758 42:230 44:8 46:1955
47:2 49:666 50:769 52:12 54:34 55:9
57:26 58:1158 59:582 60:328 61:1415 62:1128
63:2011 64:4339 65:2158 66:4177 67:2013 68:1075
69:3287 70:796 71:491 72:1912 74:2468 75:324
76:307 77:1138 78:1008 79:615 80:1272 81:1015
82:632 83:579 84:593 85:1195 86:464 87:1021
88:544 89:1807 90:149 91:5525 92:615 93:1779
94:1931 95:1701 96:518 97:342 98:1022 99:42
100:30 101:586 103:2945 105:472 106:139 107:208
108:514 109:1835 110:922 111:1071 112:550 113:810
114:699 115:1001 116:967 117:808 118:1116 119:1310
120:391 121:736 122:1805 123:1217 124:1372 125:1392
128:641 129:223 130:310 131:672 132:360 133:155
134:269 135:68 136:247 137:243 138:340 139:191
140:199 141:326 142:544 143:388 144:503 145:96
146:524 147:398 148:666 149:352 150:149 151:553
152:414 153:189 154:28 155:414 156:265 157:393
158:280 159:726 160:344 161:446 162:484 163:226
164:582 165:503 166:247 167:593 168:1028 169:129
170:1052 171:182 172:23 173:1595 174:547 175:486
176:1171 177:2148 178:1868 179:65 180:1464 181:493
182:1262 183:419 184:668 185:629 186:2321 187:1333
188:2103 189:1263 190:6641 192:6853 193:5861 194:4628
195:3479 196:1349 197:899 198:4514 199:5348 200:6005
201:2171 202:8829 203:8889 204:4507 205:2584 206:2844
207:2847 208:4007 209:3598 210:2913 211:1520 212:2188
213:2001 214:923 215:99 216:5255 217:1609 218:620
219:321 220:1277 221:562 222:321 223:448
End of report
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