* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 25 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 418219
Prefixes after maximum aggregation: 176380
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 203923
Total ASes present in the Internet Routing Table: 41594
Prefixes per ASN: 10.05
Origin-only ASes present in the Internet Routing Table: 33358
Origin ASes announcing only one prefix: 15685
Transit ASes present in the Internet Routing Table: 5595
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 373
Unregistered ASNs in the Routing Table: 140
Number of 32-bit ASNs allocated by the RIRs: 3027
Number of 32-bit ASNs visible in the Routing Table: 2641
Prefixes from 32-bit ASNs in the Routing Table: 6796
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2569762476
Equivalent to 153 /8s, 43 /16s and 118 /24s
Percentage of available address space announced: 69.3
Percentage of allocated address space announced: 69.4
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.0
Total number of prefixes smaller than registry allocations: 145560
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102253
Total APNIC prefixes after maximum aggregation: 32804
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 102739
Unique aggregates announced from the APNIC address blocks: 42247
APNIC Region origin ASes present in the Internet Routing Table: 4727
APNIC Prefixes per ASN: 21.73
APNIC Region origin ASes announcing only one prefix: 1249
APNIC Region transit ASes present in the Internet Routing Table: 754
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: 256
Number of APNIC addresses announced to Internet: 705099392
Equivalent to 42 /8s, 6 /16s and 246 /24s
Percentage of available APNIC address space announced: 82.4
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: 152988
Total ARIN prefixes after maximum aggregation: 77604
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154057
Unique aggregates announced from the ARIN address blocks: 68750
ARIN Region origin ASes present in the Internet Routing Table: 15203
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5763
ARIN Region transit ASes present in the Internet Routing Table: 1611
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: 1072274560
Equivalent to 63 /8s, 233 /16s and 156 /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, 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: 103643
Total RIPE prefixes after maximum aggregation: 55339
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 105811
Unique aggregates announced from the RIPE address blocks: 67505
RIPE Region origin ASes present in the Internet Routing Table: 16694
RIPE Prefixes per ASN: 6.34
RIPE Region origin ASes announcing only one prefix: 8088
RIPE Region transit ASes present in the Internet Routing Table: 2708
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1734
Number of RIPE addresses announced to Internet: 637105412
Equivalent to 37 /8s, 249 /16s and 117 /24s
Percentage of available RIPE address space announced: 92.6
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: 42838
Total LACNIC prefixes after maximum aggregation: 8402
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 45470
Unique aggregates announced from the LACNIC address blocks: 21887
LACNIC Region origin ASes present in the Internet Routing Table: 1612
LACNIC Prefixes per ASN: 28.21
LACNIC Region origin ASes announcing only one prefix: 420
LACNIC Region transit ASes present in the Internet Routing Table: 311
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: 629
Number of LACNIC addresses announced to Internet: 112670120
Equivalent to 6 /8s, 183 /16s and 53 /24s
Percentage of available LACNIC address space announced: 67.2
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: 9542
Total AfriNIC prefixes after maximum aggregation: 2177
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 9980
Unique aggregates announced from the AfriNIC address blocks: 3393
AfriNIC Region origin ASes present in the Internet Routing Table: 550
AfriNIC Prefixes per ASN: 18.15
AfriNIC Region origin ASes announcing only one prefix: 165
AfriNIC Region transit ASes present in the Internet Routing Table: 121
Average AfriNIC Region AS path length visible: 4.5
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: 41268992
Equivalent to 2 /8s, 117 /16s and 183 /24s
Percentage of available AfriNIC address space announced: 41.0
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 2754 11123 1250 Korea Telecom (KIX)
17974 2260 564 85 PT TELEKOMUNIKASI INDONESIA
7545 1705 301 88 TPG Internet Pty Ltd
4755 1616 388 163 TATA Communications formerly
9829 1305 1085 26 BSNL National Internet Backbo
9583 1165 88 510 Sify Limited
7552 1127 1062 11 Vietel Corporation
4808 1118 2053 318 CNCGROUP IP network: China169
24560 1037 385 165 Bharti Airtel Ltd., Telemedia
9498 989 294 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 3433 998 170 Windstream Communications Inc
6389 3385 3773 186 bellsouth.net, inc.
18566 2088 382 181 Covad Communications
1785 1938 681 131 PaeTec Communications, Inc.
22773 1694 2912 122 Cox Communications, Inc.
20115 1647 1569 613 Charter Communications
4323 1574 1028 382 Time Warner Telecom
30036 1393 271 782 Mediacom Communications Corp
7018 1258 10040 825 AT&T WorldNet Services
11492 1192 217 350 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 1668 544 16 Corbina telecom
12479 808 749 92 Uni2 Autonomous System
34984 734 189 176 BILISIM TELEKOM
6830 712 2302 446 UPC Distribution Services
31148 707 37 9 FreeNet ISP
20940 697 227 549 Akamai Technologies European
2118 632 97 14 EUnet/RELCOM Autonomous Syste
13188 594 100 9 Educational Network
8551 579 364 61 Bezeq International
3320 500 8443 410 Deutsche Telekom AG
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 2025 1225 58 NET Servicos de Comunicao S.A
10620 2022 348 209 TVCABLE BOGOTA
6503 1523 419 67 AVANTEL, S.A.
8151 1474 3070 353 UniNet S.A. de C.V.
7303 1458 934 196 Telecom Argentina Stet-France
6458 879 81 15 GUATEL
27947 718 74 94 Telconet S.A
11172 645 91 74 Servicios Alestra S.A de C.V
3816 596 250 83 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 1002 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
12258 197 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 169 664 86 MTN Network Solutions
29571 160 15 15 Ci Telecom Autonomous system
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 3433 998 170 Windstream Communications Inc
6389 3385 3773 186 bellsouth.net, inc.
4766 2754 11123 1250 Korea Telecom (KIX)
17974 2260 564 85 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 181 Covad Communications
28573 2025 1225 58 NET Servicos de Comunicao S.A
10620 2022 348 209 TVCABLE BOGOTA
1785 1938 681 131 PaeTec Communications, Inc.
7545 1705 301 88 TPG Internet Pty Ltd
22773 1694 2912 122 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 3385 3199 bellsouth.net, inc.
17974 2260 2175 PT TELEKOMUNIKASI INDONESIA
28573 2025 1967 NET Servicos de Comunicao S.A
18566 2088 1907 Covad Communications
10620 2022 1813 TVCABLE BOGOTA
1785 1938 1807 PaeTec Communications, Inc.
8402 1668 1652 Corbina telecom
7545 1705 1617 TPG Internet Pty Ltd
22773 1694 1572 Cox Communications, Inc.
4766 2754 1504 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 5.149.64.0/19 35567 DASTO semtel d.o.o.
59473 UNALLOCATED 5.149.152.0/22 44843 AmsterdamTelecom Ltd
59473 UNALLOCATED 5.149.156.0/23 44843 AmsterdamTelecom Ltd
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 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 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.0.0/15 14744 Internap Network Services
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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
41.222.80.0/21 37110 Moztel LDA
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
/13:473 /14:845 /15:1528 /16:12312 /17:6365 /18:10759
/19:20922 /20:29849 /21:31680 /22:41365 /23:39513 /24:218430
/25:1215 /26:1473 /27:852 /28:160 /29:59 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2774 3433 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1865 3385 bellsouth.net, inc.
8402 1364 1668 Corbina telecom
30036 1328 1393 Mediacom Communications Corp
11492 1155 1192 Cable One
22773 1119 1694 Cox Communications, Inc.
6503 1051 1523 AVANTEL, S.A.
1785 1046 1938 PaeTec Communications, Inc.
7011 930 1191 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:569 2:758 3:1 4:13 5:203 6:3
8:438 12:2012 13:1 14:638 15:11 16:3
17:6 20:24 23:197 24:1797 27:1344 31:1011
32:56 33:2 34:2 36:8 37:665 38:824
39:1 40:134 41:2897 42:159 44:3 46:1521
47:2 49:429 50:562 52:13 54:14 55:8
56:1 57:31 58:985 59:531 60:244 61:1354
62:921 63:2031 64:4257 65:2245 66:4497 67:2016
68:1156 69:3212 70:988 71:514 72:1862 74:2603
75:489 76:335 77:934 78:934 79:484 80:1220
81:945 82:638 83:543 84:501 85:1147 86:423
87:926 88:346 89:1679 90:303 91:5054 92:582
93:1298 94:1559 95:1232 96:401 97:319 98:882
99:39 100:21 101:258 103:1297 105:464 106:115
107:189 108:400 109:1453 110:788 111:943 112:431
113:681 114:666 115:911 116:919 117:733 118:922
119:1222 120:357 121:802 122:1663 123:1152 124:1381
125:1258 128:556 129:185 130:267 131:618 132:298
133:22 134:247 135:61 136:215 137:242 138:340
139:176 140:495 141:253 142:435 143:375 144:493
145:77 146:509 147:283 148:766 149:318 150:153
151:187 152:473 153:176 154:19 155:404 156:222
157:382 158:190 159:628 160:343 161:279 162:380
163:190 164:673 165:413 166:587 167:533 168:913
169:127 170:897 171:151 172:5 173:1735 174:621
175:439 176:573 177:944 178:1634 180:1315 181:112
182:992 183:232 184:560 186:2022 187:1085 188:1366
189:1588 190:6161 192:6018 193:5433 194:4194 195:3205
196:1208 197:180 198:3690 199:4931 200:5990 201:1972
202:8703 203:8666 204:4391 205:2534 206:2788 207:2831
208:4039 209:3631 210:2770 211:1565 212:1979 213:1784
214:885 215:85 216:5065 217:1555 218:560 219:337
220:1230 221:575 222:335 223:350
End of report
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