* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 07 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 435610
Prefixes after maximum aggregation: 180481
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 213423
Total ASes present in the Internet Routing Table: 42786
Prefixes per ASN: 10.18
Origin-only ASes present in the Internet Routing Table: 33886
Origin ASes announcing only one prefix: 15836
Transit ASes present in the Internet Routing Table: 5712
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 40
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1138
Unregistered ASNs in the Routing Table: 414
Number of 32-bit ASNs allocated by the RIRs: 3560
Number of 32-bit ASNs visible in the Routing Table: 3188
Prefixes from 32-bit ASNs in the Routing Table: 8592
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 146
Number of addresses announced to Internet: 2617931724
Equivalent to 156 /8s, 10 /16s and 119 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.0
Total number of prefixes smaller than registry allocations: 153603
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104944
Total APNIC prefixes after maximum aggregation: 32655
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105821
Unique aggregates announced from the APNIC address blocks: 43324
APNIC Region origin ASes present in the Internet Routing Table: 4805
APNIC Prefixes per ASN: 22.02
APNIC Region origin ASes announcing only one prefix: 1247
APNIC Region transit ASes present in the Internet Routing Table: 790
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: 382
Number of APNIC addresses announced to Internet: 715830528
Equivalent to 42 /8s, 170 /16s and 181 /24s
Percentage of available APNIC address space announced: 83.7
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: 155514
Total ARIN prefixes after maximum aggregation: 78503
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156249
Unique aggregates announced from the ARIN address blocks: 70054
ARIN Region origin ASes present in the Internet Routing Table: 15321
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5778
ARIN Region transit ASes present in the Internet Routing Table: 1599
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: 18
Number of ARIN addresses announced to Internet: 1088855680
Equivalent to 64 /8s, 230 /16s and 158 /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: 111654
Total RIPE prefixes after maximum aggregation: 57997
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 114527
Unique aggregates announced from the RIPE address blocks: 73331
RIPE Region origin ASes present in the Internet Routing Table: 16980
RIPE Prefixes per ASN: 6.74
RIPE Region origin ASes announcing only one prefix: 8131
RIPE Region transit ASes present in the Internet Routing Table: 2769
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 40
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2061
Number of RIPE addresses announced to Internet: 649550628
Equivalent to 38 /8s, 183 /16s and 91 /24s
Percentage of available RIPE address space announced: 94.4
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: 45031
Total LACNIC prefixes after maximum aggregation: 8937
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 48520
Unique aggregates announced from the LACNIC address blocks: 22970
LACNIC Region origin ASes present in the Internet Routing Table: 1738
LACNIC Prefixes per ASN: 27.92
LACNIC Region origin ASes announcing only one prefix: 495
LACNIC Region transit ASes present in the Internet Routing Table: 329
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 721
Number of LACNIC addresses announced to Internet: 120346664
Equivalent to 7 /8s, 44 /16s and 88 /24s
Percentage of available LACNIC address space announced: 71.7
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: 9762
Total AfriNIC prefixes after maximum aggregation: 2335
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 10347
Unique aggregates announced from the AfriNIC address blocks: 3617
AfriNIC Region origin ASes present in the Internet Routing Table: 584
AfriNIC Prefixes per ASN: 17.72
AfriNIC Region origin ASes announcing only one prefix: 185
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 43024896
Equivalent to 2 /8s, 144 /16s and 130 /24s
Percentage of available AfriNIC address space announced: 42.7
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 2924 11557 900 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1812 301 90 TPG Internet Pty Ltd
4755 1657 381 168 TATA Communications formerly
9829 1413 1156 42 BSNL National Internet Backbo
9583 1180 88 498 Sify Limited
7552 1140 1062 11 Vietel Corporation
4808 1127 2056 317 CNCGROUP IP network: China169
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1033 310 74 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 3196 994 218 Windstream Communications Inc
6389 3137 3719 142 bellsouth.net, inc.
18566 2082 382 180 Covad Communications
22773 1941 2932 131 Cox Communications, Inc.
1785 1935 678 124 PaeTec Communications, Inc.
20115 1687 1607 623 Charter Communications
4323 1589 1153 395 Time Warner Telecom
30036 1313 276 794 Mediacom Communications Corp
7018 1284 10532 851 AT&T WorldNet Services
7011 1216 330 692 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 1781 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
12479 859 777 64 Uni2 Autonomous System
34984 852 210 217 BILISIM TELEKOM
13188 744 95 132 Educational Network
31148 738 38 13 FreeNet ISP
6830 715 2313 436 UPC Distribution Services
20940 710 228 549 Akamai Technologies European
58113 613 68 372 LIR DATACENTER TELECOM SRL
8551 602 367 39 Bezeq International
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 2261 386 206 TVCABLE BOGOTA
28573 2201 1290 71 NET Servicos de Comunicao S.A
7303 1671 1138 202 Telecom Argentina Stet-France
8151 1606 3028 356 UniNet S.A. de C.V.
6503 1538 435 67 AVANTEL, S.A.
27947 755 77 92 Telconet S.A
3816 660 309 71 Empresa Nacional de Telecomun
11172 603 85 68 Servicios Alestra S.A de C.V
18881 602 716 18 Global Village Telecom
7738 579 1178 33 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 874 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 530 958 13 TEDATA
6713 519 666 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
33776 190 12 13 Starcomms Nigeria Limited
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 3196 994 218 Windstream Communications Inc
6389 3137 3719 142 bellsouth.net, inc.
4766 2924 11557 900 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2261 386 206 TVCABLE BOGOTA
28573 2201 1290 71 NET Servicos de Comunicao S.A
18566 2082 382 180 Covad Communications
22773 1941 2932 131 Cox Communications, Inc.
1785 1935 678 124 PaeTec Communications, Inc.
7545 1812 301 90 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 3137 2995 bellsouth.net, inc.
17974 2431 2385 PT TELEKOMUNIKASI INDONESIA
28573 2201 2130 NET Servicos de Comunicao S.A
10620 2261 2055 TVCABLE BOGOTA
4766 2924 2024 Korea Telecom (KIX)
18566 2082 1902 Covad Communications
1785 1935 1811 PaeTec Communications, Inc.
22773 1941 1810 Cox Communications, Inc.
8402 1781 1765 Corbina telecom
7545 1812 1722 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Labs2
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
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 >>UNKNOWN<<
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
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<<
64.187.208.0/24 174 Cogent Communications
64.187.209.0/24 23005 Power Pulse
65.111.1.0/24 32258 SDN Global
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
/13:477 /14:857 /15:1549 /16:12478 /17:6566 /18:10964
/19:21545 /20:30805 /21:32916 /22:43822 /23:40662 /24:228312
/25:1359 /26:1733 /27:867 /28:187 /29:78 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2621 3196 Windstream Communications Inc
18566 2032 2082 Covad Communications
6389 1780 3137 bellsouth.net, inc.
8402 1498 1781 Corbina telecom
22773 1274 1941 Cox Communications, Inc.
30036 1226 1313 Mediacom Communications Corp
11492 1147 1183 Cable One
6503 1055 1538 AVANTEL, S.A.
1785 1020 1935 PaeTec Communications, Inc.
7011 953 1216 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:649 2:724 3:1 4:13 5:666 6:3
8:488 12:1950 13:3 14:701 15:11 16:3
17:6 20:27 23:215 24:1789 27:1408 31:1300
32:54 33:2 34:2 36:7 37:1064 38:842
39:2 40:140 41:2690 42:179 44:3 46:1702
47:3 49:510 50:620 52:12 54:27 55:7
57:28 58:1067 59:550 60:233 61:1289 62:1025
63:2021 64:4362 65:2204 66:4498 67:2085 68:1182
69:3246 70:925 71:549 72:1908 74:2621 75:479
76:297 77:1021 78:1002 79:507 80:1212 81:982
82:626 83:532 84:530 85:1153 86:473 87:955
88:353 89:1738 90:305 91:5360 92:588 93:1554
94:2019 95:1348 96:458 97:322 98:964 99:40
100:31 101:286 103:1897 105:516 106:119 107:203
108:490 109:1690 110:822 111:972 112:461 113:742
114:643 115:897 116:884 117:778 118:970 119:1253
120:379 121:679 122:1733 123:1167 124:1322 125:1288
128:562 129:188 130:292 131:643 132:319 133:143
134:254 135:62 136:215 137:237 138:344 139:168
140:180 141:300 142:496 143:358 144:489 145:81
146:521 147:268 148:736 149:330 150:154 151:234
152:399 153:183 154:22 155:442 156:225 157:373
158:256 159:678 160:334 161:413 162:372 163:191
164:582 165:450 166:476 167:561 168:991 169:131
170:983 171:168 172:6 173:1707 174:627 175:462
176:857 177:1451 178:1702 180:1344 181:179 182:1121
183:307 184:625 185:112 186:2111 187:1432 188:1798
189:1607 190:6143 192:6080 193:5820 194:4641 195:3663
196:1247 197:278 198:3976 199:5127 200:6020 201:1989
202:8823 203:8742 204:4435 205:2549 206:2754 207:2817
208:4076 209:3653 210:2903 211:1534 212:2104 213:1877
214:892 215:74 216:5168 217:1607 218:591 219:320
220:1259 221:542 222:336 223:364
End of report
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