* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 24 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 417821
Prefixes after maximum aggregation: 176302
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 203892
Total ASes present in the Internet Routing Table: 41582
Prefixes per ASN: 10.05
Origin-only ASes present in the Internet Routing Table: 33353
Origin ASes announcing only one prefix: 15688
Transit ASes present in the Internet Routing Table: 5594
Transit-only ASes present in the Internet Routing Table: 132
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 26
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 372
Unregistered ASNs in the Routing Table: 139
Number of 32-bit ASNs allocated by the RIRs: 3025
Number of 32-bit ASNs visible in the Routing Table: 2635
Prefixes from 32-bit ASNs in the Routing Table: 6852
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2569012140
Equivalent to 153 /8s, 32 /16s and 3 /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: 145341
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102215
Total APNIC prefixes after maximum aggregation: 32789
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 102690
Unique aggregates announced from the APNIC address blocks: 42215
APNIC Region origin ASes present in the Internet Routing Table: 4720
APNIC Prefixes per ASN: 21.76
APNIC Region origin ASes announcing only one prefix: 1247
APNIC Region transit ASes present in the Internet Routing Table: 748
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: 254
Number of APNIC addresses announced to Internet: 704693376
Equivalent to 42 /8s, 0 /16s and 196 /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: 152978
Total ARIN prefixes after maximum aggregation: 77564
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154019
Unique aggregates announced from the ARIN address blocks: 68709
ARIN Region origin ASes present in the Internet Routing Table: 15202
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5764
ARIN Region transit ASes present in the Internet Routing Table: 1608
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: 1071794560
Equivalent to 63 /8s, 226 /16s and 73 /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: 103507
Total RIPE prefixes after maximum aggregation: 55330
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 105683
Unique aggregates announced from the RIPE address blocks: 67541
RIPE Region origin ASes present in the Internet Routing Table: 16700
RIPE Prefixes per ASN: 6.33
RIPE Region origin ASes announcing only one prefix: 8088
RIPE Region transit ASes present in the Internet Routing Table: 2718
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1733
Number of RIPE addresses announced to Internet: 637314308
Equivalent to 37 /8s, 252 /16s and 165 /24s
Percentage of available RIPE address space announced: 92.7
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: 42627
Total LACNIC prefixes after maximum aggregation: 8392
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 45345
Unique aggregates announced from the LACNIC address blocks: 21884
LACNIC Region origin ASes present in the Internet Routing Table: 1611
LACNIC Prefixes per ASN: 28.15
LACNIC Region origin ASes announcing only one prefix: 421
LACNIC Region transit ASes present in the Internet Routing Table: 312
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: 626
Number of LACNIC addresses announced to Internet: 112567720
Equivalent to 6 /8s, 181 /16s and 165 /24s
Percentage of available LACNIC address space announced: 67.1
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: 9482
Total AfriNIC prefixes after maximum aggregation: 2173
AfriNIC Deaggregation factor: 4.36
Prefixes being announced from the AfriNIC address blocks: 9922
Unique aggregates announced from the AfriNIC address blocks: 3402
AfriNIC Region origin ASes present in the Internet Routing Table: 549
AfriNIC Prefixes per ASN: 18.07
AfriNIC Region origin ASes announcing only one prefix: 168
AfriNIC Region transit ASes present in the Internet Routing Table: 120
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: 41298176
Equivalent to 2 /8s, 118 /16s and 41 /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 2753 11122 1249 Korea Telecom (KIX)
17974 2244 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 3434 998 172 Windstream Communications Inc
6389 3385 3773 186 bellsouth.net, inc.
18566 2088 382 181 Covad Communications
1785 1937 681 131 PaeTec Communications, Inc.
22773 1681 2911 122 Cox Communications, Inc.
20115 1649 1571 615 Charter Communications
4323 1576 1028 383 Time Warner Telecom
30036 1393 271 782 Mediacom Communications Corp
7018 1256 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 1561 544 16 Corbina telecom
12479 806 748 95 Uni2 Autonomous System
34984 732 189 174 BILISIM TELEKOM
6830 712 2302 446 UPC Distribution Services
31148 706 37 9 FreeNet ISP
20940 697 227 549 Akamai Technologies European
2118 632 97 14 EUnet/RELCOM Autonomous Syste
13188 610 100 10 Educational Network
8551 577 364 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
10620 2010 348 208 TVCABLE BOGOTA
28573 2010 1221 55 NET Servicos de Comunicao S.A
6503 1521 419 65 AVANTEL, S.A.
8151 1473 3068 356 UniNet S.A. de C.V.
7303 1458 934 196 Telecom Argentina Stet-France
6458 723 81 15 GUATEL
27947 718 74 94 Telconet S.A
11172 643 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 1014 958 13 TEDATA
24863 863 274 32 LINKdotNET AS number
6713 509 650 19 Itissalat Al-MAGHRIB
36998 483 48 3 MOBITEL
3741 263 905 224 The Internet Solution
24835 256 80 8 RAYA Telecom - Egypt
12258 197 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 168 664 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 3434 998 172 Windstream Communications Inc
6389 3385 3773 186 bellsouth.net, inc.
4766 2753 11122 1249 Korea Telecom (KIX)
17974 2244 564 85 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 181 Covad Communications
10620 2010 348 208 TVCABLE BOGOTA
28573 2010 1221 55 NET Servicos de Comunicao S.A
1785 1937 681 131 PaeTec Communications, Inc.
7545 1705 301 88 TPG Internet Pty Ltd
22773 1681 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 3385 3199 bellsouth.net, inc.
17974 2244 2159 PT TELEKOMUNIKASI INDONESIA
28573 2010 1955 NET Servicos de Comunicao S.A
18566 2088 1907 Covad Communications
1785 1937 1806 PaeTec Communications, Inc.
10620 2010 1802 TVCABLE BOGOTA
7545 1705 1617 TPG Internet Pty Ltd
22773 1681 1559 Cox Communications, Inc.
8402 1561 1545 Corbina telecom
4766 2753 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 /14:844 /15:1527 /16:12300 /17:6368 /18:10748
/19:20907 /20:29782 /21:31650 /22:41326 /23:39485 /24:218236
/25:1215 /26:1468 /27:852 /28:161 /29:60 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2773 3434 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1865 3385 bellsouth.net, inc.
30036 1328 1393 Mediacom Communications Corp
8402 1258 1561 Corbina telecom
11492 1155 1192 Cable One
22773 1108 1681 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)
----------------------------------------------
1:575 2:684 3:1 4:13 5:202 6:3
8:438 12:2011 13:1 14:638 15:11 16:3
17:6 20:24 23:197 24:1796 27:1340 31:1016
32:56 33:2 34:2 36:8 37:662 38:826
39:1 40:134 41:2899 42:158 44:3 46:1523
47:2 49:428 50:560 52:13 54:14 55:8
56:1 57:31 58:987 59:532 60:244 61:1347
62:920 63:2032 64:4258 65:2246 66:4495 67:2016
68:1156 69:3211 70:988 71:514 72:1865 74:2603
75:490 76:334 77:936 78:926 79:491 80:1229
81:946 82:626 83:541 84:503 85:1147 86:424
87:925 88:346 89:1675 90:303 91:5048 92:582
93:1302 94:1560 95:1234 96:401 97:319 98:877
99:39 100:21 101:258 103:1290 105:464 106:115
107:189 108:393 109:1456 110:787 111:940 112:429
113:651 114:659 115:910 116:918 117:734 118:907
119:1233 120:355 121:805 122:1663 123:1164 124:1377
125:1260 128:554 129:185 130:267 131:632 132:298
133:22 134:249 135:61 136:215 137:241 138:340
139:177 140:496 141:253 142:435 143:372 144:492
145:77 146:510 147:279 148:763 149:317 150:152
151:187 152:473 153:176 154:19 155:405 156:222
157:382 158:190 159:628 160:342 161:272 162:380
163:192 164:674 165:413 166:588 167:533 168:912
169:127 170:898 171:150 172:5 173:1737 174:617
175:438 176:571 177:996 178:1625 180:1316 181:112
182:994 183:233 184:556 186:2036 187:1095 188:1353
189:1587 190:6013 192:6021 193:5433 194:4201 195:3205
196:1202 197:179 198:3685 199:4942 200:5991 201:1961
202:8694 203:8667 204:4390 205:2543 206:2791 207:2832
208:4045 209:3626 210:2781 211:1567 212:1982 213:1789
214:873 215:85 216:5081 217:1567 218:560 219:337
220:1229 221:575 222:335 223:347
End of report
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