* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 03 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 421170
Prefixes after maximum aggregation: 176853
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 204988
Total ASes present in the Internet Routing Table: 41669
Prefixes per ASN: 10.11
Origin-only ASes present in the Internet Routing Table: 33390
Origin ASes announcing only one prefix: 15673
Transit ASes present in the Internet Routing Table: 5592
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 32
Max AS path prepend of ASN ( 48687) 24
Prefixes from unregistered ASNs in the Routing Table: 394
Unregistered ASNs in the Routing Table: 151
Number of 32-bit ASNs allocated by the RIRs: 3061
Number of 32-bit ASNs visible in the Routing Table: 2687
Prefixes from 32-bit ASNs in the Routing Table: 6919
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 161
Number of addresses announced to Internet: 2572579212
Equivalent to 153 /8s, 86 /16s and 113 /24s
Percentage of available address space announced: 69.4
Percentage of allocated address space announced: 69.5
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.1
Total number of prefixes smaller than registry allocations: 147819
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102331
Total APNIC prefixes after maximum aggregation: 32819
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 102836
Unique aggregates announced from the APNIC address blocks: 42246
APNIC Region origin ASes present in the Internet Routing Table: 4728
APNIC Prefixes per ASN: 21.75
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 755
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 270
Number of APNIC addresses announced to Internet: 706504320
Equivalent to 42 /8s, 28 /16s and 102 /24s
Percentage of available APNIC address space announced: 82.6
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: 153452
Total ARIN prefixes after maximum aggregation: 77733
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154487
Unique aggregates announced from the ARIN address blocks: 68930
ARIN Region origin ASes present in the Internet Routing Table: 15202
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5753
ARIN Region transit ASes present in the Internet Routing Table: 1601
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 16
Number of ARIN addresses announced to Internet: 1073059456
Equivalent to 63 /8s, 245 /16s and 150 /24s
Percentage of available ARIN address space announced: 56.8
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, 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: 105824
Total RIPE prefixes after maximum aggregation: 55659
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 108021
Unique aggregates announced from the RIPE address blocks: 68275
RIPE Region origin ASes present in the Internet Routing Table: 16717
RIPE Prefixes per ASN: 6.46
RIPE Region origin ASes announcing only one prefix: 8094
RIPE Region transit ASes present in the Internet Routing Table: 2712
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1758
Number of RIPE addresses announced to Internet: 638240228
Equivalent to 38 /8s, 10 /16s and 197 /24s
Percentage of available RIPE address space announced: 92.8
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: 42954
Total LACNIC prefixes after maximum aggregation: 8398
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 45680
Unique aggregates announced from the LACNIC address blocks: 21993
LACNIC Region origin ASes present in the Internet Routing Table: 1615
LACNIC Prefixes per ASN: 28.28
LACNIC Region origin ASes announcing only one prefix: 421
LACNIC Region transit ASes present in the Internet Routing Table: 314
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 637
Number of LACNIC addresses announced to Internet: 112922536
Equivalent to 6 /8s, 187 /16s and 15 /24s
Percentage of available LACNIC address space announced: 67.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
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: 9529
Total AfriNIC prefixes after maximum aggregation: 2188
AfriNIC Deaggregation factor: 4.36
Prefixes being announced from the AfriNIC address blocks: 9985
Unique aggregates announced from the AfriNIC address blocks: 3404
AfriNIC Region origin ASes present in the Internet Routing Table: 553
AfriNIC Prefixes per ASN: 18.06
AfriNIC Region origin ASes announcing only one prefix: 167
AfriNIC Region transit ASes present in the Internet Routing Table: 124
Average AfriNIC Region AS path length visible: 4.6
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: 41519360
Equivalent to 2 /8s, 121 /16s and 137 /24s
Percentage of available AfriNIC address space announced: 41.2
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 2760 11123 1253 Korea Telecom (KIX)
17974 2291 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1711 301 87 TPG Internet Pty Ltd
4755 1603 386 156 TATA Communications formerly
9829 1309 1084 31 BSNL National Internet Backbo
9583 1159 87 507 Sify Limited
7552 1128 1062 11 Vietel Corporation
4808 1122 2053 322 CNCGROUP IP network: China169
24560 1038 385 165 Bharti Airtel Ltd., Telemedia
9498 993 294 73 BHARTI Airtel Ltd.
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
7029 3441 986 155 Windstream Communications Inc
6389 3380 3773 192 bellsouth.net, inc.
18566 2088 382 181 Covad Communications
1785 1942 681 130 PaeTec Communications, Inc.
22773 1699 2914 125 Cox Communications, Inc.
20115 1646 1572 611 Charter Communications
4323 1575 1027 383 Time Warner Telecom
30036 1410 276 791 Mediacom Communications Corp
7018 1251 10040 820 AT&T WorldNet Services
7011 1191 316 697 Citizens Utilities
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 1570 544 16 Corbina telecom
15557 1214 2247 55 LDCOM NETWORKS
12479 823 761 88 Uni2 Autonomous System
34984 735 189 177 BILISIM TELEKOM
6830 714 2310 445 UPC Distribution Services
20940 714 231 560 Akamai Technologies European
31148 702 37 9 FreeNet ISP
2118 664 97 14 EUnet/RELCOM Autonomous Syste
13188 647 100 9 Educational Network
8551 577 364 61 Bezeq International
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
10620 2035 350 210 TVCABLE BOGOTA
28573 2026 1228 58 NET Servicos de Comunicao S.A
6503 1528 419 67 AVANTEL, S.A.
8151 1465 3069 346 UniNet S.A. de C.V.
7303 1459 935 197 Telecom Argentina Stet-France
6458 883 81 15 GUATEL
27947 719 74 95 Telconet S.A
11172 644 91 74 Servicios Alestra S.A de C.V
3816 604 256 87 Empresa Nacional de Telecomun
22047 583 326 15 VTR PUNTO NET S.A.
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
8452 964 958 13 TEDATA
24863 863 274 32 LINKdotNET AS number
6713 509 650 19 Itissalat Al-MAGHRIB
36998 483 48 3 MOBITEL
24835 286 80 8 RAYA Telecom - Egypt
3741 263 905 224 The Internet Solution
33776 228 12 19 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
15706 177 32 6 Sudatel Internet Exchange Aut
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
7029 3441 986 155 Windstream Communications Inc
6389 3380 3773 192 bellsouth.net, inc.
4766 2760 11123 1253 Korea Telecom (KIX)
17974 2291 702 54 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 181 Covad Communications
10620 2035 350 210 TVCABLE BOGOTA
28573 2026 1228 58 NET Servicos de Comunicao S.A
1785 1942 681 130 PaeTec Communications, Inc.
7545 1711 301 87 TPG Internet Pty Ltd
22773 1699 2914 125 Cox Communications, Inc.
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 3380 3188 bellsouth.net, inc.
17974 2291 2237 PT TELEKOMUNIKASI INDONESIA
28573 2026 1968 NET Servicos de Comunicao S.A
18566 2088 1907 Covad Communications
10620 2035 1825 TVCABLE BOGOTA
1785 1942 1812 PaeTec Communications, Inc.
7545 1711 1624 TPG Internet Pty Ltd
22773 1699 1574 Cox Communications, Inc.
8402 1570 1554 Corbina telecom
4766 2760 1507 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.65.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.67.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.68.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.71.0/24 35567 DASTO semtel d.o.o.
59458 UNALLOCATED 5.149.96.0/21 50597 ScopeSky Communicati
59458 UNALLOCATED 5.149.104.0/22 50597 ScopeSky Communicati
59473 UNALLOCATED 5.149.152.0/22 44843 AmsterdamTelecom Ltd
59473 UNALLOCATED 5.149.156.0/23 44843 AmsterdamTelecom Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.175.128.0/17 12586 GHOSTnet
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
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 /8:19 /9:12 /10:28 /11:82 /12:236
/13:474 /14:848 /15:1529 /16:12337 /17:6374 /18:10747
/19:20945 /20:29960 /21:31838 /22:41586 /23:39768 /24:220493
/25:1274 /26:1502 /27:850 /28:164 /29:62 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2800 3441 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1864 3380 bellsouth.net, inc.
30036 1345 1410 Mediacom Communications Corp
8402 1268 1570 Corbina telecom
15557 1158 1214 LDCOM NETWORKS
11492 1154 1191 Cable One
22773 1123 1699 Cox Communications, Inc.
6503 1051 1528 AVANTEL, S.A.
1785 1050 1942 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:558 2:708 3:1 4:13 5:297 6:3
8:439 12:2002 13:1 14:635 15:11 16:3
17:6 20:24 23:207 24:1800 27:1326 31:1023
32:56 33:2 34:2 36:8 37:686 38:821
39:1 40:134 41:2832 42:158 44:3 46:1549
47:2 49:428 50:575 52:13 54:14 55:7
56:1 57:31 58:987 59:510 60:236 61:1282
62:976 63:2025 64:4245 65:2258 66:4530 67:2035
68:1155 69:3208 70:987 71:520 72:1871 74:2605
75:489 76:333 77:951 78:946 79:496 80:1272
81:953 82:640 83:540 84:621 85:1150 86:798
87:935 88:353 89:1790 90:304 91:5073 92:583
93:1448 94:1569 95:1279 96:400 97:318 98:902
99:39 100:22 101:257 103:1340 105:464 106:112
107:189 108:413 109:1907 110:795 111:948 112:433
113:680 114:675 115:857 116:925 117:735 118:944
119:1234 120:358 121:695 122:1679 123:1162 124:1381
125:1264 128:554 129:183 130:266 131:639 132:298
133:22 134:245 135:61 136:215 137:240 138:342
139:184 140:496 141:256 142:446 143:375 144:501
145:78 146:510 147:303 148:768 149:320 150:153
151:186 152:473 153:176 154:19 155:404 156:222
157:381 158:191 159:629 160:348 161:381 162:384
163:190 164:673 165:408 166:578 167:534 168:962
169:126 170:899 171:147 172:5 173:1740 174:630
175:432 176:571 177:992 178:1667 180:1327 181:114
182:1031 183:232 184:571 186:2057 187:1103 188:1367
189:1585 190:6146 192:6025 193:5441 194:4190 195:3260
196:1230 197:201 198:3689 199:4940 200:6004 201:1981
202:8726 203:8703 204:4390 205:2542 206:2791 207:2835
208:4049 209:3632 210:2759 211:1549 212:2001 213:1803
214:871 215:85 216:5081 217:1555 218:561 219:315
220:1240 221:570 222:337 223:340
End of report
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