* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 22 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 459892
Prefixes after maximum aggregation: 186968
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228492
Total ASes present in the Internet Routing Table: 44538
Prefixes per ASN: 10.33
Origin-only ASes present in the Internet Routing Table: 34867
Origin ASes announcing only one prefix: 16190
Transit ASes present in the Internet Routing Table: 5892
Transit-only ASes present in the Internet Routing Table: 150
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: 3402
Unregistered ASNs in the Routing Table: 1370
Number of 32-bit ASNs allocated by the RIRs: 4888
Number of 32-bit ASNs visible in the Routing Table: 3779
Prefixes from 32-bit ASNs in the Routing Table: 11383
Special use prefixes present in the Routing Table: 27
Prefixes being announced from unallocated address space: 263
Number of addresses announced to Internet: 2630522028
Equivalent to 156 /8s, 202 /16s and 148 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
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: 160874
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110395
Total APNIC prefixes after maximum aggregation: 33862
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112355
Unique aggregates announced from the APNIC address blocks: 46140
APNIC Region origin ASes present in the Internet Routing Table: 4856
APNIC Prefixes per ASN: 23.14
APNIC Region origin ASes announcing only one prefix: 1217
APNIC Region transit ASes present in the Internet Routing Table: 828
Average APNIC Region AS path length visible: 4.6
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: 726215392
Equivalent to 43 /8s, 73 /16s and 42 /24s
Percentage of available APNIC address space announced: 84.9
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: 159489
Total ARIN prefixes after maximum aggregation: 80715
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160054
Unique aggregates announced from the ARIN address blocks: 74120
ARIN Region origin ASes present in the Internet Routing Table: 15790
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5997
ARIN Region transit ASes present in the Internet Routing Table: 1646
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: 1067841344
Equivalent to 63 /8s, 165 /16s and 247 /24s
Percentage of available ARIN address space announced: 56.5
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: 118573
Total RIPE prefixes after maximum aggregation: 60296
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 122105
Unique aggregates announced from the RIPE address blocks: 78689
RIPE Region origin ASes present in the Internet Routing Table: 17313
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8213
RIPE Region transit ASes present in the Internet Routing Table: 2836
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: 2374
Number of RIPE addresses announced to Internet: 656337124
Equivalent to 39 /8s, 30 /16s and 232 /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: 49059
Total LACNIC prefixes after maximum aggregation: 9522
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 53589
Unique aggregates announced from the LACNIC address blocks: 25329
LACNIC Region origin ASes present in the Internet Routing Table: 1984
LACNIC Prefixes per ASN: 27.01
LACNIC Region origin ASes announcing only one prefix: 581
LACNIC Region transit ASes present in the Internet Routing Table: 363
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 776
Number of LACNIC addresses announced to Internet: 133377192
Equivalent to 7 /8s, 243 /16s and 44 /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: 10903
Total AfriNIC prefixes after maximum aggregation: 2533
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 11526
Unique aggregates announced from the AfriNIC address blocks: 3969
AfriNIC Region origin ASes present in the Internet Routing Table: 639
AfriNIC Prefixes per ASN: 18.04
AfriNIC Region origin ASes announcing only one prefix: 182
AfriNIC Region transit ASes present in the Internet Routing Table: 134
Average AfriNIC Region AS path length visible: 4.7
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: 46413568
Equivalent to 2 /8s, 196 /16s and 55 /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 2916 11560 919 Korea Telecom (KIX)
17974 2589 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2014 320 108 TPG Internet Pty Ltd
4755 1756 391 193 TATA Communications formerly
9829 1536 1221 45 BSNL National Internet Backbo
4808 1171 2152 336 CNCGROUP IP network: China169
9498 1162 309 71 BHARTI Airtel Ltd.
7552 1159 1080 13 Vietel Corporation
9583 1157 88 527 Sify Limited
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 2985 3690 67 bellsouth.net, inc.
18566 2067 382 184 Covad Communications
1785 2001 678 126 PaeTec Communications, Inc.
22773 1998 2927 124 Cox Communications, Inc.
20115 1669 1622 621 Charter Communications
4323 1616 1118 405 Time Warner Telecom
701 1530 11127 797 UUNET Technologies, Inc.
30036 1345 304 660 Mediacom Communications Corp
7018 1299 11034 822 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 1627 544 16 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
34984 1296 244 222 BILISIM TELEKOM
31148 973 43 21 FreeNet ISP
20940 927 319 728 Akamai Technologies European
13188 837 98 81 Educational Network
6830 807 2376 442 UPC Distribution Services
8551 780 370 45 Bezeq International
12479 675 789 57 Uni2 Autonomous System
34744 637 170 73 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 2945 1591 110 NET Servicos de Comunicao S.A
10620 2653 419 229 TVCABLE BOGOTA
7303 1733 1155 222 Telecom Argentina Stet-France
8151 1269 2753 381 UniNet S.A. de C.V.
18881 1247 844 20 Global Village Telecom
27947 829 94 91 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
3816 717 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 620 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 1237 80 4 MOBITEL
24863 881 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 439 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
29571 220 17 12 Ci Telecom Autonomous system
36992 205 527 22 Etisalat MISR
12258 193 28 71 Vodacom Internet Company
29975 191 667 21 Vodacom
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 2985 3690 67 bellsouth.net, inc.
28573 2945 1591 110 NET Servicos de Comunicao S.A
4766 2916 11560 919 Korea Telecom (KIX)
10620 2653 419 229 TVCABLE BOGOTA
17974 2589 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2067 382 184 Covad Communications
7545 2014 320 108 TPG Internet Pty Ltd
1785 2001 678 126 PaeTec Communications, Inc.
22773 1998 2927 124 Cox Communications, Inc.
4755 1756 391 193 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 2945 2835 NET Servicos de Comunicao S.A
17974 2589 2497 PT TELEKOMUNIKASI INDONESIA
10620 2653 2424 TVCABLE BOGOTA
4766 2916 1997 Korea Telecom (KIX)
7545 2014 1906 TPG Internet Pty Ltd
18566 2067 1883 Covad Communications
1785 2001 1875 PaeTec Communications, Inc.
22773 1998 1874 Cox Communications, Inc.
8402 1627 1611 Corbina telecom
4755 1756 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
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
128.0.0.0/24 2541 >>UNKNOWN<<
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
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 /11:92 /12:251
/13:479 /14:905 /15:1606 /16:12721 /17:6647 /18:11080
/19:22485 /20:32135 /21:34629 /22:48575 /23:42460 /24:241826
/25:1307 /26:1640 /27:848 /28:43 /29:69 /30:19
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1715 2985 bellsouth.net, inc.
8402 1319 1627 Corbina telecom
22773 1300 1998 Cox Communications, Inc.
30036 1212 1345 Mediacom Communications Corp
36998 1205 1237 MOBITEL
11492 1185 1224 Cable One
1785 1070 2001 PaeTec Communications, Inc.
6983 1020 1147 ITC^Deltacom
10620 980 2653 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:821 2:727 3:3 4:19 5:842 6:16
8:572 12:1920 13:2 14:862 15:11 16:3
17:10 20:17 23:296 24:1770 27:1493 31:1316
32:45 33:2 34:5 36:59 37:1888 38:885
39:2 40:176 41:2707 42:235 44:8 46:1957
47:2 49:671 50:774 52:12 54:34 55:6
57:26 58:1159 59:581 60:328 61:1418 62:1133
63:2013 64:4349 65:2156 66:4194 67:2023 68:1089
69:3275 70:797 71:489 72:1913 74:2479 75:324
76:307 77:1140 78:1017 79:608 80:1292 81:1007
82:636 83:580 84:581 85:1203 86:467 87:1021
88:546 89:1812 90:150 91:5548 92:625 93:1762
94:1941 95:1694 96:520 97:343 98:1027 99:43
100:29 101:587 103:2979 105:482 106:139 107:207
108:515 109:1865 110:925 111:1068 112:551 113:818
114:696 115:1003 116:966 117:837 118:1136 119:1297
120:392 121:739 122:1808 123:1232 124:1364 125:1387
128:639 129:223 130:309 131:669 132:360 133:160
134:268 135:68 136:244 137:242 138:340 139:193
140:208 141:326 142:548 143:378 144:514 145:99
146:529 147:402 148:658 149:352 150:149 151:552
152:407 153:189 154:28 155:406 156:262 157:387
158:277 159:739 160:346 161:450 162:490 163:227
164:581 165:505 166:254 167:599 168:1031 169:128
170:1062 171:181 172:23 173:1599 174:551 175:495
176:1142 177:2131 178:1868 179:65 180:1468 181:551
182:1264 183:420 184:671 185:659 186:2317 187:1325
188:1913 189:1281 190:6774 192:6857 193:5858 194:4711
195:3543 196:1350 197:932 198:4540 199:5356 200:6016
201:2236 202:8816 203:8871 204:4504 205:2598 206:2863
207:2852 208:4010 209:3583 210:2903 211:1523 212:2202
213:2003 214:913 215:99 216:5254 217:1616 218:612
219:312 220:1283 221:543 222:321 223:444
End of report
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