* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 18 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 417107
Prefixes after maximum aggregation: 176066
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 203431
Total ASes present in the Internet Routing Table: 41540
Prefixes per ASN: 10.04
Origin-only ASes present in the Internet Routing Table: 33319
Origin ASes announcing only one prefix: 15690
Transit ASes present in the Internet Routing Table: 5598
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 34
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 405
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 2996
Number of 32-bit ASNs visible in the Routing Table: 2623
Prefixes from 32-bit ASNs in the Routing Table: 6768
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 168
Number of addresses announced to Internet: 2566559148
Equivalent to 152 /8s, 250 /16s and 149 /24s
Percentage of available address space announced: 69.2
Percentage of allocated address space announced: 69.3
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: 144562
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102052
Total APNIC prefixes after maximum aggregation: 32801
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 102521
Unique aggregates announced from the APNIC address blocks: 42145
APNIC Region origin ASes present in the Internet Routing Table: 4717
APNIC Prefixes per ASN: 21.73
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 746
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: 250
Number of APNIC addresses announced to Internet: 704397440
Equivalent to 41 /8s, 252 /16s and 64 /24s
Percentage of available APNIC address space announced: 82.3
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: 152770
Total ARIN prefixes after maximum aggregation: 77495
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153802
Unique aggregates announced from the ARIN address blocks: 68667
ARIN Region origin ASes present in the Internet Routing Table: 15189
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5760
ARIN Region transit ASes present in the Internet Routing Table: 1612
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: 17
Number of ARIN addresses announced to Internet: 1071584256
Equivalent to 63 /8s, 223 /16s and 20 /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: 103706
Total RIPE prefixes after maximum aggregation: 55213
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 105911
Unique aggregates announced from the RIPE address blocks: 67284
RIPE Region origin ASes present in the Internet Routing Table: 16678
RIPE Prefixes per ASN: 6.35
RIPE Region origin ASes announcing only one prefix: 8082
RIPE Region transit ASes present in the Internet Routing Table: 2716
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1727
Number of RIPE addresses announced to Internet: 636717188
Equivalent to 37 /8s, 243 /16s and 136 /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: 42559
Total LACNIC prefixes after maximum aggregation: 8367
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 45220
Unique aggregates announced from the LACNIC address blocks: 21866
LACNIC Region origin ASes present in the Internet Routing Table: 1609
LACNIC Prefixes per ASN: 28.10
LACNIC Region origin ASes announcing only one prefix: 429
LACNIC Region transit ASes present in the Internet Routing Table: 310
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: 623
Number of LACNIC addresses announced to Internet: 112411816
Equivalent to 6 /8s, 179 /16s and 68 /24s
Percentage of available LACNIC address space announced: 67.0
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: 9054
Total AfriNIC prefixes after maximum aggregation: 2136
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 9485
Unique aggregates announced from the AfriNIC address blocks: 3327
AfriNIC Region origin ASes present in the Internet Routing Table: 556
AfriNIC Prefixes per ASN: 17.06
AfriNIC Region origin ASes announcing only one prefix: 177
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 41012480
Equivalent to 2 /8s, 113 /16s and 205 /24s
Percentage of available AfriNIC address space announced: 40.7
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 2738 11122 1241 Korea Telecom (KIX)
17974 2222 559 80 PT TELEKOMUNIKASI INDONESIA
7545 1691 301 87 TPG Internet Pty Ltd
4755 1614 388 162 TATA Communications formerly
9829 1303 1085 28 BSNL National Internet Backbo
9583 1162 88 508 Sify Limited
7552 1127 1062 11 Vietel Corporation
4808 1117 2053 318 CNCGROUP IP network: China169
24560 1037 385 165 Bharti Airtel Ltd., Telemedia
9498 981 291 68 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 3412 998 172 Windstream Communications Inc
6389 3387 3773 186 bellsouth.net, inc.
18566 2088 382 181 Covad Communications
1785 1937 681 131 PaeTec Communications, Inc.
22773 1673 2911 122 Cox Communications, Inc.
20115 1648 1571 614 Charter Communications
4323 1572 1043 383 Time Warner Telecom
30036 1396 271 779 Mediacom Communications Corp
7018 1257 10040 824 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 1662 544 16 Corbina telecom
2118 1023 97 14 EUnet/RELCOM Autonomous Syste
12479 796 741 94 Uni2 Autonomous System
34984 728 189 174 BILISIM TELEKOM
6830 713 2302 447 UPC Distribution Services
31148 705 37 9 FreeNet ISP
20940 683 219 531 Akamai Technologies European
8551 578 364 61 Bezeq International
13188 543 100 10 Educational Network
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 2012 1220 58 NET Servicos de Comunicao S.A
10620 1999 346 208 TVCABLE BOGOTA
6503 1521 418 64 AVANTEL, S.A.
8151 1466 3044 345 UniNet S.A. de C.V.
7303 1454 934 194 Telecom Argentina Stet-France
6458 854 81 15 GUATEL
27947 715 73 93 Telconet S.A
11172 643 91 74 Servicios Alestra S.A de C.V
3816 595 250 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 1044 958 13 TEDATA
24863 864 274 32 LINKdotNET AS number
6713 509 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 262 905 223 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
15706 159 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 3412 998 172 Windstream Communications Inc
6389 3387 3773 186 bellsouth.net, inc.
4766 2738 11122 1241 Korea Telecom (KIX)
17974 2222 559 80 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 181 Covad Communications
28573 2012 1220 58 NET Servicos de Comunicao S.A
10620 1999 346 208 TVCABLE BOGOTA
1785 1937 681 131 PaeTec Communications, Inc.
7545 1691 301 87 TPG Internet Pty Ltd
22773 1673 2911 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 3387 3201 bellsouth.net, inc.
17974 2222 2142 PT TELEKOMUNIKASI INDONESIA
28573 2012 1954 NET Servicos de Comunicao S.A
18566 2088 1907 Covad Communications
1785 1937 1806 PaeTec Communications, Inc.
10620 1999 1791 TVCABLE BOGOTA
8402 1662 1646 Corbina telecom
7545 1691 1604 TPG Internet Pty Ltd
22773 1673 1551 Cox Communications, Inc.
4766 2738 1497 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
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,
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
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
5.149.112.0/21 23456 32-bit ASN transition
5.149.120.0/21 28907 Internet Consulting Group
5.149.136.0/21 49964 VERIXI
5.149.200.0/21 50477 Kostroma regional networks AS
5.150.128.0/20 5602 KPNQwest Italia S.p.a
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
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
/13:471 /14:844 /15:1520 /16:12289 /17:6363 /18:10756
/19:20879 /20:29768 /21:31606 /22:41195 /23:39362 /24:217860
/25:1223 /26:1467 /27:859 /28:166 /29:61 /30:18
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2759 3412 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1867 3387 bellsouth.net, inc.
8402 1358 1662 Corbina telecom
30036 1331 1396 Mediacom Communications Corp
11492 1154 1191 Cable One
22773 1100 1673 Cox Communications, Inc.
6503 1051 1521 AVANTEL, S.A.
1785 1044 1937 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)
----------------------------------------------
1:578 2:763 3:1 4:13 5:134 6:3
8:438 12:2011 13:1 14:636 15:12 16:3
17:5 20:24 23:193 24:1795 27:1337 31:1017
32:56 33:2 34:2 36:8 37:617 38:825
39:1 40:128 41:2887 42:141 44:3 46:1523
47:2 49:430 50:556 52:13 54:14 55:8
56:1 57:33 58:982 59:530 60:245 61:1340
62:924 63:2036 64:4240 65:2243 66:4498 67:2011
68:1159 69:3199 70:986 71:512 72:1874 74:2609
75:488 76:327 77:933 78:909 79:492 80:1224
81:949 82:627 83:534 84:508 85:1158 86:423
87:932 88:345 89:1661 90:303 91:5030 92:583
93:1300 94:1558 95:1248 96:397 97:323 98:890
99:39 100:21 101:257 103:1270 106:115 107:189
108:377 109:1463 110:787 111:938 112:428 113:647
114:657 115:906 116:920 117:731 118:901 119:1230
120:356 121:800 122:1663 123:1164 124:1380 125:1257
128:554 129:186 130:267 131:634 132:300 133:22
134:246 135:61 136:215 137:240 138:334 139:177
140:496 141:250 142:430 143:375 144:479 145:77
146:514 147:283 148:765 149:317 150:151 151:185
152:476 153:176 154:17 155:433 156:222 157:382
158:190 159:625 160:342 161:274 162:377 163:192
164:663 165:413 166:587 167:533 168:915 169:127
170:898 171:147 172:5 173:1734 174:610 175:436
176:565 177:925 178:1592 180:1311 181:106 182:992
183:232 184:551 186:2005 187:1081 188:1370 189:1586
190:6114 192:6010 193:5535 194:4481 195:3230 196:1207
197:172 198:3682 199:4926 200:5951 201:1973 202:8702
203:8679 204:4385 205:2538 206:2807 207:2825 208:4035
209:3631 210:2785 211:1563 212:1959 213:1812 214:876
215:85 216:5078 217:1554 218:557 219:337 220:1230
221:569 222:336 223:348
End of report
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