* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 12 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 458672
Prefixes after maximum aggregation: 186568
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 227899
Total ASes present in the Internet Routing Table: 44476
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 34821
Origin ASes announcing only one prefix: 16171
Transit ASes present in the Internet Routing Table: 5878
Transit-only ASes present in the Internet Routing Table: 147
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 2599
Unregistered ASNs in the Routing Table: 1111
Number of 32-bit ASNs allocated by the RIRs: 4863
Number of 32-bit ASNs visible in the Routing Table: 3777
Prefixes from 32-bit ASNs in the Routing Table: 11275
Special use prefixes present in the Routing Table: 28
Prefixes being announced from unallocated address space: 304
Number of addresses announced to Internet: 2627610668
Equivalent to 156 /8s, 158 /16s and 40 /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: 160536
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110130
Total APNIC prefixes after maximum aggregation: 33763
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112025
Unique aggregates announced from the APNIC address blocks: 46039
APNIC Region origin ASes present in the Internet Routing Table: 4853
APNIC Prefixes per ASN: 23.08
APNIC Region origin ASes announcing only one prefix: 1213
APNIC Region transit ASes present in the Internet Routing Table: 827
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: 602
Number of APNIC addresses announced to Internet: 725519584
Equivalent to 43 /8s, 62 /16s and 140 /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: 159035
Total ARIN prefixes after maximum aggregation: 80509
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159552
Unique aggregates announced from the ARIN address blocks: 73900
ARIN Region origin ASes present in the Internet Routing Table: 15764
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5997
ARIN Region transit ASes present in the Internet Routing Table: 1640
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: 1065822016
Equivalent to 63 /8s, 135 /16s and 39 /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: 118508
Total RIPE prefixes after maximum aggregation: 60373
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122012
Unique aggregates announced from the RIPE address blocks: 78714
RIPE Region origin ASes present in the Internet Routing Table: 17286
RIPE Prefixes per ASN: 7.06
RIPE Region origin ASes announcing only one prefix: 8193
RIPE Region transit ASes present in the Internet Routing Table: 2832
Average RIPE Region AS path length visible: 5.2
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: 656166500
Equivalent to 39 /8s, 28 /16s and 78 /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: 48738
Total LACNIC prefixes after maximum aggregation: 9363
LACNIC Deaggregation factor: 5.21
Prefixes being announced from the LACNIC address blocks: 53262
Unique aggregates announced from the LACNIC address blocks: 24987
LACNIC Region origin ASes present in the Internet Routing Table: 1976
LACNIC Prefixes per ASN: 26.95
LACNIC Region origin ASes announcing only one prefix: 580
LACNIC Region transit ASes present in the Internet Routing Table: 359
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: 775
Number of LACNIC addresses announced to Internet: 133289896
Equivalent to 7 /8s, 241 /16s and 215 /24s
Percentage of available LACNIC address space announced: 79.4
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: 10898
Total AfriNIC prefixes after maximum aggregation: 2520
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 11517
Unique aggregates announced from the AfriNIC address blocks: 3987
AfriNIC Region origin ASes present in the Internet Routing Table: 646
AfriNIC Prefixes per ASN: 17.83
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 46358784
Equivalent to 2 /8s, 195 /16s and 97 /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 2934 11561 920 Korea Telecom (KIX)
17974 2580 855 92 PT TELEKOMUNIKASI INDONESIA
7545 2026 320 109 TPG Internet Pty Ltd
4755 1755 391 192 TATA Communications formerly
9829 1530 1220 44 BSNL National Internet Backbo
9583 1461 117 563 Sify Limited
4808 1173 2151 340 CNCGROUP IP network: China169
7552 1159 1080 13 Vietel Corporation
9498 1158 309 71 BHARTI Airtel Ltd.
24560 1082 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 1991 2927 123 Cox Communications, Inc.
20115 1663 1617 616 Charter Communications
4323 1613 1134 403 Time Warner Telecom
701 1531 11127 798 UUNET Technologies, Inc.
30036 1341 300 657 Mediacom Communications Corp
7018 1299 11035 821 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 1637 544 16 Corbina telecom
34984 1294 244 222 BILISIM TELEKOM
2118 1271 97 13 EUnet/RELCOM Autonomous Syste
20940 907 313 720 Akamai Technologies European
13188 837 98 81 Educational Network
31148 808 40 25 FreeNet ISP
6830 783 2375 440 UPC Distribution Services
8551 782 370 45 Bezeq International
12479 679 789 57 Uni2 Autonomous System
34744 643 171 74 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 2925 1586 109 NET Servicos de Comunicao S.A
10620 2687 422 188 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1272 2747 386 UniNet S.A. de C.V.
18881 1119 844 20 Global Village Telecom
6503 865 434 63 AVANTEL, S.A.
27947 828 94 91 Telconet S.A
3816 720 306 85 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 883 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 452 956 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 219 17 12 Ci Telecom Autonomous system
36992 205 527 22 Etisalat MISR
12258 194 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.
4766 2934 11561 920 Korea Telecom (KIX)
28573 2925 1586 109 NET Servicos de Comunicao S.A
10620 2687 422 188 TVCABLE BOGOTA
17974 2580 855 92 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
7545 2026 320 109 TPG Internet Pty Ltd
1785 1999 678 126 PaeTec Communications, Inc.
22773 1991 2927 123 Cox Communications, Inc.
4755 1755 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 2925 2816 NET Servicos de Comunicao S.A
10620 2687 2499 TVCABLE BOGOTA
17974 2580 2488 PT TELEKOMUNIKASI INDONESIA
4766 2934 2014 Korea Telecom (KIX)
7545 2026 1917 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
1785 1999 1873 PaeTec Communications, Inc.
22773 1991 1868 Cox Communications, Inc.
8402 1637 1621 Corbina telecom
4755 1755 1563 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
128.0.24.0/24 41794 Altline LLC
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
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
/13:481 /14:901 /15:1602 /16:12713 /17:6657 /18:11060
/19:22499 /20:32091 /21:34533 /22:48260 /23:42569 /24:241092
/25:1275 /26:1531 /27:863 /28:41 /29:68 /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 1333 1637 Corbina telecom
22773 1295 1991 Cox Communications, Inc.
30036 1209 1341 Mediacom Communications Corp
11492 1185 1224 Cable One
36998 1140 1172 MOBITEL
1785 1067 1999 PaeTec Communications, Inc.
6983 1017 1146 ITC^Deltacom
10620 1000 2687 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:838 2:737 3:3 4:19 5:812 6:16
8:561 12:1911 13:3 14:861 15:11 16:3
17:10 20:17 23:295 24:1780 27:1486 31:1318
32:45 33:2 34:5 36:59 37:1870 38:880
39:2 40:171 41:2754 42:228 44:8 46:1956
47:2 49:658 50:755 52:12 54:35 55:6
57:26 58:1159 59:583 60:328 61:1399 62:1124
63:2011 64:4335 65:2157 66:4182 67:2014 68:1076
69:3290 70:795 71:491 72:1946 74:2466 75:324
76:308 77:1143 78:1006 79:614 80:1272 81:1017
82:632 83:582 84:595 85:1190 86:458 87:1020
88:544 89:1769 90:149 91:5529 92:618 93:1779
94:1931 95:1691 96:523 97:343 98:1024 99:42
100:30 101:586 103:2941 105:471 106:139 107:208
108:513 109:1869 110:923 111:1073 112:551 113:815
114:699 115:997 116:968 117:803 118:1106 119:1319
120:384 121:739 122:1803 123:1219 124:1376 125:1384
128:640 129:223 130:307 131:670 132:360 133:155
134:269 135:68 136:255 137:243 138:340 139:190
140:201 141:326 142:543 143:383 144:504 145:98
146:526 147:392 148:670 149:351 150:148 151:520
152:416 153:189 154:28 155:412 156:265 157:400
158:279 159:721 160:345 161:451 162:480 163:222
164:581 165:501 166:254 167:596 168:1028 169:129
170:1061 171:181 172:23 173:1594 174:545 175:484
176:1148 177:2152 178:1870 179:65 180:1463 181:493
182:1262 183:421 184:670 185:634 186:2315 187:1308
188:2107 189:1296 190:6628 192:6846 193:5865 194:4631
195:3478 196:1348 197:887 198:4506 199:5345 200:5989
201:2162 202:8833 203:8884 204:4510 205:2565 206:2828
207:2842 208:4008 209:3592 210:2917 211:1520 212:2180
213:2001 214:908 215:99 216:5252 217:1617 218:620
219:323 220:1281 221:558 222:321 223:447
End of report
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