* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 31 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 438454
Prefixes after maximum aggregation: 181047
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 215538
Total ASes present in the Internet Routing Table: 42944
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 33975
Origin ASes announcing only one prefix: 15902
Transit ASes present in the Internet Routing Table: 5711
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 31
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 373
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 3614
Number of 32-bit ASNs visible in the Routing Table: 3258
Prefixes from 32-bit ASNs in the Routing Table: 8810
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 2620634892
Equivalent to 156 /8s, 51 /16s and 183 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.1
Total number of prefixes smaller than registry allocations: 155149
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105389
Total APNIC prefixes after maximum aggregation: 32823
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106315
Unique aggregates announced from the APNIC address blocks: 43531
APNIC Region origin ASes present in the Internet Routing Table: 4810
APNIC Prefixes per ASN: 22.10
APNIC Region origin ASes announcing only one prefix: 1250
APNIC Region transit ASes present in the Internet Routing Table: 800
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 397
Number of APNIC addresses announced to Internet: 716736512
Equivalent to 42 /8s, 184 /16s and 136 /24s
Percentage of available APNIC address space announced: 83.8
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: 156050
Total ARIN prefixes after maximum aggregation: 78381
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156726
Unique aggregates announced from the ARIN address blocks: 70660
ARIN Region origin ASes present in the Internet Routing Table: 15355
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5808
ARIN Region transit ASes present in the Internet Routing Table: 1590
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1089309312
Equivalent to 64 /8s, 237 /16s and 138 /24s
Percentage of available ARIN address space announced: 57.6
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: 112963
Total RIPE prefixes after maximum aggregation: 58408
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115905
Unique aggregates announced from the RIPE address blocks: 74428
RIPE Region origin ASes present in the Internet Routing Table: 17007
RIPE Prefixes per ASN: 6.82
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2768
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: 2106
Number of RIPE addresses announced to Internet: 650491492
Equivalent to 38 /8s, 197 /16s and 182 /24s
Percentage of available RIPE address space announced: 94.6
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: 45395
Total LACNIC prefixes after maximum aggregation: 9032
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 49012
Unique aggregates announced from the LACNIC address blocks: 23145
LACNIC Region origin ASes present in the Internet Routing Table: 1761
LACNIC Prefixes per ASN: 27.83
LACNIC Region origin ASes announcing only one prefix: 499
LACNIC Region transit ASes present in the Internet Routing Table: 338
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 732
Number of LACNIC addresses announced to Internet: 120908840
Equivalent to 7 /8s, 52 /16s and 236 /24s
Percentage of available LACNIC address space announced: 72.1
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: 9727
Total AfriNIC prefixes after maximum aggregation: 2350
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 10323
Unique aggregates announced from the AfriNIC address blocks: 3620
AfriNIC Region origin ASes present in the Internet Routing Table: 585
AfriNIC Prefixes per ASN: 17.65
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 129
Average AfriNIC Region AS path length visible: 4.7
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: 42886912
Equivalent to 2 /8s, 142 /16s and 103 /24s
Percentage of available AfriNIC address space announced: 42.6
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 2946 11556 914 Korea Telecom (KIX)
17974 2484 829 54 PT TELEKOMUNIKASI INDONESIA
7545 1815 301 88 TPG Internet Pty Ltd
4755 1659 381 175 TATA Communications formerly
9829 1416 1156 42 BSNL National Internet Backbo
9583 1183 88 501 Sify Limited
7552 1143 1070 12 Vietel Corporation
4808 1124 2040 316 CNCGROUP IP network: China169
9498 1052 309 74 BHARTI Airtel Ltd.
24560 1037 385 161 Bharti Airtel Ltd., Telemedia
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 3454 1010 215 Windstream Communications Inc
6389 3118 3717 132 bellsouth.net, inc.
18566 2081 382 180 Covad Communications
22773 1950 2932 131 Cox Communications, Inc.
1785 1941 678 124 PaeTec Communications, Inc.
20115 1688 1603 618 Charter Communications
4323 1597 1155 397 Time Warner Telecom
30036 1357 287 706 Mediacom Communications Corp
7018 1292 10533 852 AT&T WorldNet Services
7011 1206 321 685 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 1735 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 895 211 232 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 769 96 115 Educational Network
31148 743 38 15 FreeNet ISP
20940 731 240 569 Akamai Technologies European
6830 714 2313 435 UPC Distribution Services
8551 636 367 39 Bezeq International
58113 633 70 378 LIR DATACENTER TELECOM SRL
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 2270 387 207 TVCABLE BOGOTA
28573 2259 1299 70 NET Servicos de Comunicao S.A
7303 1674 1139 202 Telecom Argentina Stet-France
8151 1542 2925 355 UniNet S.A. de C.V.
6503 1453 435 66 AVANTEL, S.A.
27947 768 85 94 Telconet S.A
18881 740 716 18 Global Village Telecom
3816 672 309 71 Empresa Nacional de Telecomun
11172 601 86 66 Servicios Alestra S.A de C.V
7738 588 1242 34 Telecomunicacoes da Bahia 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
24863 877 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 550 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 181 697 88 MTN Network Solutions
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 3454 1010 215 Windstream Communications Inc
6389 3118 3717 132 bellsouth.net, inc.
4766 2946 11556 914 Korea Telecom (KIX)
17974 2484 829 54 PT TELEKOMUNIKASI INDONESIA
10620 2270 387 207 TVCABLE BOGOTA
28573 2259 1299 70 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1950 2932 131 Cox Communications, Inc.
1785 1941 678 124 PaeTec Communications, Inc.
7545 1815 301 88 TPG Internet Pty Ltd
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 3118 2986 bellsouth.net, inc.
17974 2484 2430 PT TELEKOMUNIKASI INDONESIA
28573 2259 2189 NET Servicos de Comunicao S.A
10620 2270 2063 TVCABLE BOGOTA
4766 2946 2032 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
22773 1950 1819 Cox Communications, Inc.
1785 1941 1817 PaeTec Communications, Inc.
7545 1815 1727 TPG Internet Pty Ltd
8402 1735 1719 Corbina telecom
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
30031 UNALLOCATED 12.27.122.0/24 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 12.45.103.0/24 209 Qwest
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
26064 UNALLOCATED 12.149.37.0/24 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
128.0.0.0/24 2876 Jump Management SRL
128.0.24.0/21 41794 Altline LLC
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 mywire Datentechnik GmbH
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.66.32.0/20 18864 >>UNKNOWN<<
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
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 /8:18 /9:13 /10:29 /11:87 /12:244
/13:478 /14:859 /15:1547 /16:12492 /17:6565 /18:10936
/19:21614 /20:31040 /21:33040 /22:44377 /23:40816 /24:230139
/25:1303 /26:1690 /27:873 /28:179 /29:79 /30:17
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2723 3454 Windstream Communications Inc
18566 2031 2081 Covad Communications
6389 1773 3118 bellsouth.net, inc.
8402 1457 1735 Corbina telecom
22773 1281 1950 Cox Communications, Inc.
30036 1262 1357 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1023 1941 PaeTec Communications, Inc.
6503 980 1453 AVANTEL, S.A.
7011 954 1206 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:699 2:690 3:3 4:9 5:701 6:3
8:469 12:1931 13:3 14:698 15:11 16:3
17:6 20:27 23:221 24:1794 27:1465 31:1350
32:54 33:2 34:2 36:11 37:1151 38:842
39:2 40:141 41:2637 42:180 44:3 46:1729
47:3 49:527 50:656 52:12 54:28 55:8
56:1 57:28 58:1065 59:560 60:237 61:1318
62:1039 63:2015 64:4350 65:2198 66:4501 67:2085
68:1198 69:3332 70:940 71:555 72:1892 74:2622
75:475 76:293 77:1051 78:1031 79:525 80:1220
81:982 82:661 83:537 84:529 85:1164 86:457
87:970 88:362 89:1757 90:304 91:5380 92:612
93:1622 94:1988 95:1634 96:489 97:337 98:965
99:40 100:31 101:289 103:1969 105:501 106:117
107:203 108:510 109:1754 110:832 111:987 112:470
113:743 114:642 115:897 116:893 117:775 118:966
119:1256 120:372 121:707 122:1725 123:1173 124:1320
125:1300 128:813 129:199 130:308 131:646 132:319
133:142 134:254 135:62 136:216 137:235 138:344
139:169 140:182 141:299 142:516 143:351 144:491
145:89 146:518 147:324 148:729 149:335 150:143
151:242 152:399 153:188 154:23 155:424 156:231
157:379 158:257 159:681 160:335 161:421 162:371
163:193 164:582 165:458 166:464 167:569 168:1006
169:131 170:989 171:164 172:4 173:1642 174:767
175:447 176:946 177:1501 178:1716 180:1361 181:189
182:1145 183:288 184:651 185:151 186:2173 187:1445
188:1909 189:1563 190:6190 192:6084 193:5720 194:4491
195:3601 196:1247 197:289 198:4014 199:5158 200:6030
201:2026 202:8859 203:8738 204:4474 205:2527 206:2811
207:2810 208:4062 209:3658 210:2912 211:1561 212:2002
213:1884 214:861 215:91 216:5135 217:1574 218:596
219:318 220:1260 221:544 222:324 223:375
End of report
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