* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 03 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 438434
Prefixes after maximum aggregation: 181098
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 215603
Total ASes present in the Internet Routing Table: 42963
Prefixes per ASN: 10.20
Origin-only ASes present in the Internet Routing Table: 34006
Origin ASes announcing only one prefix: 15911
Transit ASes present in the Internet Routing Table: 5701
Transit-only ASes present in the Internet Routing Table: 140
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: 372
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 3616
Number of 32-bit ASNs visible in the Routing Table: 3256
Prefixes from 32-bit ASNs in the Routing Table: 8798
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 2621631340
Equivalent to 156 /8s, 66 /16s and 235 /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: 154879
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105506
Total APNIC prefixes after maximum aggregation: 32818
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106445
Unique aggregates announced from the APNIC address blocks: 43585
APNIC Region origin ASes present in the Internet Routing Table: 4813
APNIC Prefixes per ASN: 22.12
APNIC Region origin ASes announcing only one prefix: 1251
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: 398
Number of APNIC addresses announced to Internet: 716633952
Equivalent to 42 /8s, 182 /16s and 247 /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: 156077
Total ARIN prefixes after maximum aggregation: 78449
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156750
Unique aggregates announced from the ARIN address blocks: 70684
ARIN Region origin ASes present in the Internet Routing Table: 15361
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5808
ARIN Region transit ASes present in the Internet Routing Table: 1585
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: 1090510464
Equivalent to 64 /8s, 255 /16s and 222 /24s
Percentage of available ARIN address space announced: 57.7
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: 112860
Total RIPE prefixes after maximum aggregation: 58395
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115851
Unique aggregates announced from the RIPE address blocks: 74382
RIPE Region origin ASes present in the Internet Routing Table: 17011
RIPE Prefixes per ASN: 6.81
RIPE Region origin ASes announcing only one prefix: 8161
RIPE Region transit ASes present in the Internet Routing Table: 2758
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2104
Number of RIPE addresses announced to Internet: 650455396
Equivalent to 38 /8s, 197 /16s and 41 /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: 45408
Total LACNIC prefixes after maximum aggregation: 9025
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 49001
Unique aggregates announced from the LACNIC address blocks: 23158
LACNIC Region origin ASes present in the Internet Routing Table: 1765
LACNIC Prefixes per ASN: 27.76
LACNIC Region origin ASes announcing only one prefix: 502
LACNIC Region transit ASes present in the Internet Routing Table: 337
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: 731
Number of LACNIC addresses announced to Internet: 120837160
Equivalent to 7 /8s, 51 /16s and 212 /24s
Percentage of available LACNIC address space announced: 72.0
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: 9665
Total AfriNIC prefixes after maximum aggregation: 2358
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 10214
Unique aggregates announced from the AfriNIC address blocks: 3640
AfriNIC Region origin ASes present in the Internet Routing Table: 586
AfriNIC Prefixes per ASN: 17.43
AfriNIC Region origin ASes announcing only one prefix: 189
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: 42892544
Equivalent to 2 /8s, 142 /16s and 125 /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 2941 11556 914 Korea Telecom (KIX)
17974 2484 829 54 PT TELEKOMUNIKASI INDONESIA
7545 1815 301 88 TPG Internet Pty Ltd
4755 1663 381 175 TATA Communications formerly
9829 1417 1156 42 BSNL National Internet Backbo
9583 1198 89 501 Sify Limited
7552 1143 1070 12 Vietel Corporation
4808 1124 2040 316 CNCGROUP IP network: China169
9498 1052 309 74 BHARTI Airtel Ltd.
24560 1038 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 3419 1266 214 Windstream Communications Inc
6389 3117 3701 131 bellsouth.net, inc.
18566 2081 382 180 Covad Communications
22773 1952 2932 131 Cox Communications, Inc.
1785 1941 678 124 PaeTec Communications, Inc.
20115 1688 1603 618 Charter Communications
4323 1596 1155 396 Time Warner Telecom
30036 1360 287 705 Mediacom Communications Corp
7018 1292 10549 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 1710 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 770 96 116 Educational Network
31148 743 38 15 FreeNet ISP
20940 731 240 569 Akamai Technologies European
6830 714 2313 435 UPC Distribution Services
8551 639 367 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 2263 1299 70 NET Servicos de Comunicao S.A
7303 1674 1139 202 Telecom Argentina Stet-France
8151 1543 2913 357 UniNet S.A. de C.V.
6503 1454 435 67 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 602 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 540 958 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 3419 1266 214 Windstream Communications Inc
6389 3117 3701 131 bellsouth.net, inc.
4766 2941 11556 914 Korea Telecom (KIX)
17974 2484 829 54 PT TELEKOMUNIKASI INDONESIA
10620 2270 387 207 TVCABLE BOGOTA
28573 2263 1299 70 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1952 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 3117 2986 bellsouth.net, inc.
17974 2484 2430 PT TELEKOMUNIKASI INDONESIA
28573 2263 2193 NET Servicos de Comunicao S.A
10620 2270 2063 TVCABLE BOGOTA
4766 2941 2027 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
22773 1952 1821 Cox Communications, Inc.
1785 1941 1817 PaeTec Communications, Inc.
7545 1815 1727 TPG Internet Pty Ltd
8402 1710 1694 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 /12:245
/13:478 /14:859 /15:1546 /16:12488 /17:6564 /18:10942
/19:21626 /20:31080 /21:33055 /22:44267 /23:40823 /24:230155
/25:1302 /26:1687 /27:875 /28:179 /29:80 /30:17
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2687 3419 Windstream Communications Inc
18566 2031 2081 Covad Communications
6389 1773 3117 bellsouth.net, inc.
8402 1434 1710 Corbina telecom
22773 1283 1952 Cox Communications, Inc.
30036 1263 1360 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1023 1941 PaeTec Communications, Inc.
6503 980 1454 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)
----------------------------------------------
1:683 2:685 3:3 4:13 5:702 6:3
8:471 12:1930 13:3 14:702 15:11 16:3
17:6 20:27 23:221 24:1794 27:1468 31:1349
32:54 33:2 34:2 36:11 37:1152 38:840
39:2 40:141 41:2591 42:180 44:3 46:1706
47:3 49:528 50:657 52:12 54:28 55:9
57:28 58:1070 59:561 60:237 61:1317 62:1035
63:2020 64:4349 65:2196 66:4487 67:2089 68:1194
69:3330 70:936 71:555 72:1891 74:2613 75:472
76:296 77:1048 78:1034 79:529 80:1214 81:982
82:661 83:532 84:529 85:1164 86:466 87:971
88:363 89:1756 90:304 91:5378 92:609 93:1621
94:1988 95:1617 96:489 97:337 98:964 99:40
100:31 101:292 103:1964 105:501 106:125 107:203
108:510 109:1746 110:833 111:988 112:470 113:740
114:660 115:906 116:904 117:775 118:965 119:1271
120:373 121:707 122:1724 123:1174 124:1320 125:1301
128:811 129:201 130:308 131:645 132:319 133:142
134:254 135:62 136:216 137:236 138:343 139:170
140:182 141:300 142:514 143:353 144:490 145:89
146:519 147:325 148:731 149:336 150:158 151:249
152:399 153:188 154:23 155:443 156:231 157:379
158:257 159:679 160:335 161:421 162:370 163:193
164:581 165:458 166:464 167:569 168:1007 169:131
170:989 171:164 172:4 173:1629 174:767 175:466
176:947 177:1507 178:1707 180:1338 181:189 182:1149
183:294 184:653 185:152 186:2167 187:1450 188:1911
189:1563 190:6182 192:6087 193:5724 194:4492 195:3609
196:1242 197:287 198:4018 199:5157 200:6030 201:2035
202:8865 203:8754 204:4473 205:2539 206:2810 207:2811
208:4061 209:3658 210:2902 211:1559 212:1999 213:1878
214:863 215:91 216:5137 217:1571 218:597 219:323
220:1259 221:544 222:324 223:397
End of report
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