* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 13 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 416109
Prefixes after maximum aggregation: 175840
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 202687
Total ASes present in the Internet Routing Table: 41482
Prefixes per ASN: 10.03
Origin-only ASes present in the Internet Routing Table: 33302
Origin ASes announcing only one prefix: 15680
Transit ASes present in the Internet Routing Table: 5588
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 31
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 403
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 2966
Number of 32-bit ASNs visible in the Routing Table: 2592
Prefixes from 32-bit ASNs in the Routing Table: 6728
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 168
Number of addresses announced to Internet: 2564367404
Equivalent to 152 /8s, 217 /16s and 36 /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: 93.1
Total number of prefixes smaller than registry allocations: 144249
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101725
Total APNIC prefixes after maximum aggregation: 32719
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 102176
Unique aggregates announced from the APNIC address blocks: 42071
APNIC Region origin ASes present in the Internet Routing Table: 4718
APNIC Prefixes per ASN: 21.66
APNIC Region origin ASes announcing only one prefix: 1244
APNIC Region transit ASes present in the Internet Routing Table: 744
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: 245
Number of APNIC addresses announced to Internet: 704147840
Equivalent to 41 /8s, 248 /16s and 113 /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: 152385
Total ARIN prefixes after maximum aggregation: 77431
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153411
Unique aggregates announced from the ARIN address blocks: 68474
ARIN Region origin ASes present in the Internet Routing Table: 15184
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5755
ARIN Region transit ASes present in the Internet Routing Table: 1615
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: 1071261312
Equivalent to 63 /8s, 218 /16s and 38 /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: 103530
Total RIPE prefixes after maximum aggregation: 55154
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 105713
Unique aggregates announced from the RIPE address blocks: 67004
RIPE Region origin ASes present in the Internet Routing Table: 16654
RIPE Prefixes per ASN: 6.35
RIPE Region origin ASes announcing only one prefix: 8072
RIPE Region transit ASes present in the Internet Routing Table: 2708
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1708
Number of RIPE addresses announced to Internet: 635619716
Equivalent to 37 /8s, 226 /16s and 201 /24s
Percentage of available RIPE address space announced: 92.4
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: 42436
Total LACNIC prefixes after maximum aggregation: 8356
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 45098
Unique aggregates announced from the LACNIC address blocks: 21717
LACNIC Region origin ASes present in the Internet Routing Table: 1611
LACNIC Prefixes per ASN: 27.99
LACNIC Region origin ASes announcing only one prefix: 432
LACNIC Region transit ASes present in the Internet Routing Table: 308
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: 616
Number of LACNIC addresses announced to Internet: 112225448
Equivalent to 6 /8s, 176 /16s and 108 /24s
Percentage of available LACNIC address space announced: 66.9
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: 9101
Total AfriNIC prefixes after maximum aggregation: 2126
AfriNIC Deaggregation factor: 4.28
Prefixes being announced from the AfriNIC address blocks: 9543
Unique aggregates announced from the AfriNIC address blocks: 3274
AfriNIC Region origin ASes present in the Internet Routing Table: 556
AfriNIC Prefixes per ASN: 17.16
AfriNIC Region origin ASes announcing only one prefix: 177
AfriNIC Region transit ASes present in the Internet Routing Table: 125
Average AfriNIC Region AS path length visible: 4.4
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: 40683264
Equivalent to 2 /8s, 108 /16s and 199 /24s
Percentage of available AfriNIC address space announced: 40.4
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 2739 11119 1236 Korea Telecom (KIX)
17974 2215 558 80 PT TELEKOMUNIKASI INDONESIA
7545 1691 301 87 TPG Internet Pty Ltd
4755 1613 388 162 TATA Communications formerly
9829 1303 1085 28 BSNL National Internet Backbo
9583 1167 88 505 Sify Limited
7552 1127 1062 11 Vietel Corporation
4808 1112 2052 317 CNCGROUP IP network: China169
24560 1036 385 165 Bharti Airtel Ltd., Telemedia
9498 982 291 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
6389 3389 3773 187 bellsouth.net, inc.
7029 3315 986 161 Windstream Communications Inc
18566 2088 382 181 Covad Communications
1785 1934 681 130 PaeTec Communications, Inc.
22773 1663 2911 121 Cox Communications, Inc.
20115 1649 1571 615 Charter Communications
4323 1575 1043 384 Time Warner Telecom
30036 1386 268 785 Mediacom Communications Corp
7018 1259 10044 823 AT&T WorldNet Services
7011 1193 319 692 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 1626 544 16 Corbina telecom
2118 1023 97 14 EUnet/RELCOM Autonomous Syste
12479 794 741 93 Uni2 Autonomous System
34984 728 189 174 BILISIM TELEKOM
6830 709 2292 443 UPC Distribution Services
31148 702 37 9 FreeNet ISP
20940 685 220 529 Akamai Technologies European
13188 578 100 10 Educational Network
8551 577 364 61 Bezeq International
3320 499 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 1993 1214 55 NET Servicos de Comunicao S.A
10620 1989 346 208 TVCABLE BOGOTA
6503 1528 418 66 AVANTEL, S.A.
8151 1470 3042 344 UniNet S.A. de C.V.
7303 1454 934 194 Telecom Argentina Stet-France
6458 854 81 15 GUATEL
27947 709 73 93 Telconet S.A
11172 643 91 74 Servicios Alestra S.A de C.V
3816 589 246 90 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 1155 958 13 TEDATA
24863 863 274 32 LINKdotNET AS number
6713 508 649 18 Itissalat Al-MAGHRIB
24835 285 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
16637 169 664 87 MTN Network Solutions
29975 167 571 19 Vodacom
15706 159 32 6 Sudatel Internet Exchange Aut
29571 159 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
6389 3389 3773 187 bellsouth.net, inc.
7029 3315 986 161 Windstream Communications Inc
4766 2739 11119 1236 Korea Telecom (KIX)
17974 2215 558 80 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 181 Covad Communications
28573 1993 1214 55 NET Servicos de Comunicao S.A
10620 1989 346 208 TVCABLE BOGOTA
1785 1934 681 130 PaeTec Communications, Inc.
7545 1691 301 87 TPG Internet Pty Ltd
22773 1663 2911 121 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
7029 3315 3154 Windstream Communications Inc
17974 2215 2135 PT TELEKOMUNIKASI INDONESIA
28573 1993 1938 NET Servicos de Comunicao S.A
18566 2088 1907 Covad Communications
1785 1934 1804 PaeTec Communications, Inc.
10620 1989 1781 TVCABLE BOGOTA
8402 1626 1610 Corbina telecom
7545 1691 1604 TPG Internet Pty Ltd
22773 1663 1542 Cox Communications, Inc.
4766 2739 1503 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
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
29760 UNALLOCATED 12.145.34.0/23 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
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
5.134.208.0/21 42656 QXL Poland sp. z o.o.
5.144.32.0/21 15576 Nextra backbone in Denmark
5.144.136.0/21 8304 Groupe Ecritel France Autonom
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
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 /14:843 /15:1518 /16:12287 /17:6367 /18:10761
/19:20862 /20:29723 /21:31507 /22:41141 /23:39192 /24:217200
/25:1240 /26:1486 /27:860 /28:171 /29:62 /30:18
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2673 3315 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1868 3389 bellsouth.net, inc.
8402 1321 1626 Corbina telecom
30036 1321 1386 Mediacom Communications Corp
11492 1154 1191 Cable One
22773 1093 1663 Cox Communications, Inc.
6503 1055 1528 AVANTEL, S.A.
1785 1043 1934 PaeTec Communications, Inc.
7011 930 1193 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:579 2:727 3:1 4:13 5:126 6:3
8:435 12:2007 13:1 14:637 15:12 16:3
17:5 20:24 23:188 24:1791 27:1329 31:1012
32:56 33:2 34:2 36:8 37:601 38:822
39:1 40:128 41:2970 42:141 44:3 46:1530
47:2 49:431 50:550 52:13 54:14 55:8
56:1 57:34 58:981 59:528 60:246 61:1335
62:923 63:2038 64:4227 65:2239 66:4490 67:2021
68:1150 69:3197 70:980 71:512 72:1866 74:2596
75:479 76:334 77:934 78:903 79:492 80:1222
81:941 82:654 83:527 84:499 85:1158 86:423
87:933 88:357 89:1673 90:301 91:5021 92:581
93:1299 94:1562 95:1244 96:377 97:318 98:893
99:39 100:20 101:256 103:1247 106:115 107:188
108:368 109:1443 110:790 111:937 112:425 113:623
114:648 115:905 116:925 117:729 118:900 119:1219
120:307 121:802 122:1661 123:1094 124:1380 125:1262
128:553 129:186 130:263 131:633 132:300 133:22
134:246 135:61 136:218 137:239 138:334 139:177
140:493 141:246 142:431 143:374 144:475 145:77
146:518 147:285 148:757 149:317 150:156 151:185
152:475 153:176 154:17 155:432 156:220 157:382
158:190 159:626 160:342 161:274 162:379 163:192
164:666 165:413 166:588 167:531 168:913 169:126
170:895 171:147 172:5 173:1725 174:610 175:436
176:562 177:938 178:1575 180:1291 181:103 182:988
183:206 184:541 186:1979 187:1087 188:1352 189:1592
190:6049 192:6004 193:5519 194:4475 195:3229 196:1207
197:171 198:3674 199:4854 200:5940 201:1995 202:8713
203:8658 204:4382 205:2532 206:2813 207:2777 208:4036
209:3623 210:2786 211:1550 212:1945 213:1824 214:887
215:83 216:5089 217:1554 218:547 219:339 220:1229
221:562 222:337 223:350
End of report
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