* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 18 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 428587
Prefixes after maximum aggregation: 179241
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 210480
Total ASes present in the Internet Routing Table: 42363
Prefixes per ASN: 10.12
Origin-only ASes present in the Internet Routing Table: 33743
Origin ASes announcing only one prefix: 15795
Transit ASes present in the Internet Routing Table: 5627
Transit-only ASes present in the Internet Routing Table: 143
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 832
Unregistered ASNs in the Routing Table: 307
Number of 32-bit ASNs allocated by the RIRs: 3389
Number of 32-bit ASNs visible in the Routing Table: 2993
Prefixes from 32-bit ASNs in the Routing Table: 8087
Special use prefixes present in the Routing Table: 13
Prefixes being announced from unallocated address space: 167
Number of addresses announced to Internet: 2605840748
Equivalent to 155 /8s, 81 /16s and 249 /24s
Percentage of available address space announced: 70.4
Percentage of allocated address space announced: 70.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 150409
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103071
Total APNIC prefixes after maximum aggregation: 32524
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 103819
Unique aggregates announced from the APNIC address blocks: 42949
APNIC Region origin ASes present in the Internet Routing Table: 4773
APNIC Prefixes per ASN: 21.75
APNIC Region origin ASes announcing only one prefix: 1255
APNIC Region transit ASes present in the Internet Routing Table: 772
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 328
Number of APNIC addresses announced to Internet: 710936992
Equivalent to 42 /8s, 96 /16s and 9 /24s
Percentage of available APNIC address space announced: 83.1
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: 154918
Total ARIN prefixes after maximum aggregation: 78304
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155756
Unique aggregates announced from the ARIN address blocks: 69476
ARIN Region origin ASes present in the Internet Routing Table: 15273
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5772
ARIN Region transit ASes present in the Internet Routing Table: 1594
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1086874496
Equivalent to 64 /8s, 200 /16s and 99 /24s
Percentage of available ARIN address space announced: 57.5
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: 109001
Total RIPE prefixes after maximum aggregation: 57427
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111626
Unique aggregates announced from the RIPE address blocks: 71727
RIPE Region origin ASes present in the Internet Routing Table: 16912
RIPE Prefixes per ASN: 6.60
RIPE Region origin ASes announcing only one prefix: 8139
RIPE Region transit ASes present in the Internet Routing Table: 2730
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1951
Number of RIPE addresses announced to Internet: 647850532
Equivalent to 38 /8s, 157 /16s and 106 /24s
Percentage of available RIPE address space announced: 94.2
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: 43892
Total LACNIC prefixes after maximum aggregation: 8694
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 47232
Unique aggregates announced from the LACNIC address blocks: 22638
LACNIC Region origin ASes present in the Internet Routing Table: 1671
LACNIC Prefixes per ASN: 28.27
LACNIC Region origin ASes announcing only one prefix: 454
LACNIC Region transit ASes present in the Internet Routing Table: 317
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: 691
Number of LACNIC addresses announced to Internet: 117644840
Equivalent to 7 /8s, 3 /16s and 30 /24s
Percentage of available LACNIC address space announced: 70.1
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: 9501
Total AfriNIC prefixes after maximum aggregation: 2235
AfriNIC Deaggregation factor: 4.25
Prefixes being announced from the AfriNIC address blocks: 9987
Unique aggregates announced from the AfriNIC address blocks: 3543
AfriNIC Region origin ASes present in the Internet Routing Table: 565
AfriNIC Prefixes per ASN: 17.68
AfriNIC Region origin ASes announcing only one prefix: 175
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: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 42155264
Equivalent to 2 /8s, 131 /16s and 61 /24s
Percentage of available AfriNIC address space announced: 41.9
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 2974 11431 901 Korea Telecom (KIX)
17974 2365 830 54 PT TELEKOMUNIKASI INDONESIA
7545 1742 301 83 TPG Internet Pty Ltd
4755 1617 387 163 TATA Communications formerly
9829 1402 1154 41 BSNL National Internet Backbo
9583 1228 90 517 Sify Limited
4808 1112 2056 315 CNCGROUP IP network: China169
7552 1080 1062 14 Vietel Corporation
24560 1034 385 162 Bharti Airtel Ltd., Telemedia
9498 1019 307 69 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 3198 3727 174 bellsouth.net, inc.
7029 3129 990 162 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1928 678 128 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications, Inc.
20115 1660 1583 615 Charter Communications
4323 1589 1155 392 Time Warner Telecom
30036 1351 269 748 Mediacom Communications Corp
7018 1269 10304 843 AT&T WorldNet Services
7011 1220 333 690 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 1807 544 16 Corbina telecom
2118 1172 97 14 EUnet/RELCOM Autonomous Syste
12479 851 776 64 Uni2 Autonomous System
34984 803 206 183 BILISIM TELEKOM
31148 725 37 9 FreeNet ISP
6830 723 2313 445 UPC Distribution Services
20940 706 223 548 Akamai Technologies European
13188 700 92 151 Educational Network
58113 602 67 364 LIR DATACENTER TELECOM SRL
8551 577 364 61 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 2194 378 227 TVCABLE BOGOTA
28573 2136 1277 60 NET Servicos de Comunicao S.A
7303 1598 1067 204 Telecom Argentina Stet-France
8151 1588 3028 355 UniNet S.A. de C.V.
6503 1539 435 69 AVANTEL, S.A.
27947 744 75 95 Telconet S.A
3816 649 309 70 Empresa Nacional de Telecomun
11172 596 85 66 Servicios Alestra S.A de C.V
14420 588 87 102 CORPORACION NACIONAL DE TELEC
7738 586 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 894 275 36 LINKdotNET AS number
36998 720 48 3 MOBITEL
8452 659 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 270 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 172 682 85 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
6389 3198 3727 174 bellsouth.net, inc.
7029 3129 990 162 Windstream Communications Inc
4766 2974 11431 901 Korea Telecom (KIX)
17974 2365 830 54 PT TELEKOMUNIKASI INDONESIA
10620 2194 378 227 TVCABLE BOGOTA
28573 2136 1277 60 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1928 678 128 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications, Inc.
8402 1807 544 16 Corbina telecom
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 3129 2967 Windstream Communications Inc
17974 2365 2311 PT TELEKOMUNIKASI INDONESIA
28573 2136 2076 NET Servicos de Comunicao S.A
4766 2974 2073 Korea Telecom (KIX)
10620 2194 1967 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1928 1800 PaeTec Communications, Inc.
8402 1807 1791 Corbina telecom
22773 1906 1778 Cox Communications, Inc.
7545 1742 1659 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
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
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.24.0/21 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
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
128.0.168.0/21 15772 W-NET Kiev
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
41.220.80.0/24 38925 DAC AS Germany
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 /9:14 /10:29 /11:87 /12:242
/13:478 /14:849 /15:1546 /16:12449 /17:6490 /18:10840
/19:21202 /20:30393 /21:32440 /22:42932 /23:40131 /24:224202
/25:1354 /26:1687 /27:921 /28:176 /29:65 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2619 3129 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1793 3198 bellsouth.net, inc.
8402 1519 1807 Corbina telecom
30036 1279 1351 Mediacom Communications Corp
22773 1246 1906 Cox Communications, Inc.
11492 1166 1203 Cable One
6503 1054 1539 AVANTEL, S.A.
1785 1016 1928 PaeTec Communications, Inc.
7011 956 1220 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:641 2:768 3:1 4:13 5:572 6:3
8:471 12:1981 13:1 14:669 15:11 16:3
17:6 20:27 23:201 24:1788 27:1367 31:1061
32:54 33:2 34:2 36:7 37:859 38:828
39:2 40:137 41:2738 42:158 44:3 46:1638
47:2 49:454 50:594 52:12 54:25 55:10
56:5 57:27 58:984 59:544 60:237 61:1294
62:938 63:1993 64:4380 65:2265 66:4544 67:2077
68:1150 69:3223 70:987 71:505 72:1872 74:2609
75:481 76:309 77:982 78:978 79:502 80:1237
81:971 82:626 83:540 84:524 85:1148 86:491
87:943 88:362 89:1805 90:304 91:5255 92:582
93:1476 94:1646 95:1156 96:394 97:325 98:966
99:39 100:32 101:271 103:1655 105:460 106:120
107:201 108:478 109:1613 110:805 111:966 112:446
113:723 114:624 115:866 116:885 117:750 118:958
119:1225 120:348 121:687 122:1636 123:1166 124:1336
125:1285 128:568 129:195 130:284 131:637 132:311
133:22 134:250 135:62 136:220 137:241 138:337
139:170 140:502 141:283 142:493 143:381 144:503
145:82 146:509 147:278 148:756 149:327 150:157
151:199 152:450 153:179 154:20 155:431 156:227
157:372 158:261 159:660 160:339 161:412 162:364
163:191 164:707 165:429 166:526 167:553 168:991
169:126 170:917 171:166 172:7 173:1666 174:632
175:454 176:767 177:1280 178:1644 180:1349 181:162
182:1086 183:306 184:608 185:31 186:2206 187:1327
188:1687 189:1597 190:5837 192:6052 193:5530 194:4607
195:3659 196:1227 197:242 198:3860 199:5076 200:6008
201:1964 202:8688 203:8692 204:4402 205:2535 206:2773
207:2800 208:4068 209:3658 210:2832 211:1537 212:2010
213:1820 214:894 215:87 216:5133 217:1575 218:571
219:314 220:1244 221:532 222:337 223:420
End of report
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