* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 05 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 442006
Prefixes after maximum aggregation: 181715
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 221202
Total ASes present in the Internet Routing Table: 40050
Prefixes per ASN: 11.04
Origin-only ASes present in the Internet Routing Table: 34413
Origin ASes announcing only one prefix: 16067
Transit ASes present in the Internet Routing Table: 5629
Transit-only ASes present in the Internet Routing Table: 126
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 951
Unregistered ASNs in the Routing Table: 164
Number of 32-bit ASNs allocated by the RIRs: 4683
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10281
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 223
Number of addresses announced to Internet: 2649551360
Equivalent to 157 /8s, 236 /16s and 242 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 154837
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102418
Total APNIC prefixes after maximum aggregation: 31921
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104236
Unique aggregates announced from the APNIC address blocks: 44343
APNIC Region origin ASes present in the Internet Routing Table: 4774
APNIC Prefixes per ASN: 21.83
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 786
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 719142144
Equivalent to 42 /8s, 221 /16s and 61 /24s
Percentage of available APNIC address space announced: 84.0
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: 155622
Total ARIN prefixes after maximum aggregation: 78875
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156317
Unique aggregates announced from the ARIN address blocks: 72095
ARIN Region origin ASes present in the Internet Routing Table: 15521
ARIN Prefixes per ASN: 10.07
ARIN Region origin ASes announcing only one prefix: 5920
ARIN Region transit ASes present in the Internet Routing Table: 1547
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1079461120
Equivalent to 64 /8s, 87 /16s and 69 /24s
Percentage of available ARIN address space announced: 57.1
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: 115896
Total RIPE prefixes after maximum aggregation: 59182
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 119631
Unique aggregates announced from the RIPE address blocks: 76848
RIPE Region origin ASes present in the Internet Routing Table: 17099
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8150
RIPE Region transit ASes present in the Internet Routing Table: 2764
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656112384
Equivalent to 39 /8s, 27 /16s and 123 /24s
Percentage of available RIPE address space announced: 95.4
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: 46816
Total LACNIC prefixes after maximum aggregation: 9206
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 50791
Unique aggregates announced from the LACNIC address blocks: 23917
LACNIC Region origin ASes present in the Internet Routing Table: 1876
LACNIC Prefixes per ASN: 27.07
LACNIC Region origin ASes announcing only one prefix: 565
LACNIC Region transit ASes present in the Internet Routing Table: 340
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 126022912
Equivalent to 7 /8s, 130 /16s and 245 /24s
Percentage of available LACNIC address space announced: 75.1
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: 10210
Total AfriNIC prefixes after maximum aggregation: 2482
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 10807
Unique aggregates announced from the AfriNIC address blocks: 3790
AfriNIC Region origin ASes present in the Internet Routing Table: 617
AfriNIC Prefixes per ASN: 17.52
AfriNIC Region origin ASes announcing only one prefix: 192
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 46160384
Equivalent to 2 /8s, 192 /16s and 90 /24s
Percentage of available AfriNIC address space announced: 45.9
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
17974 2503 840 86 PT Telekomunikasi Indonesia
4766 2142 11550 626 Korea Telecom (KIX)
7545 1858 302 95 TPG Internet Pty Ltd
4755 1711 392 198 TATA Communications formerly
9829 1499 1205 40 National Internet Backbone
9583 1257 96 524 Sify Limited
7552 1164 1066 12 Vietel Corporation
9498 1060 308 70 BHARTI Airtel Ltd.
24560 1059 385 164 Bharti Airtel Ltd., Telemedia
4808 1024 2003 299 CNCGROUP IP network China169
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3038 3694 88 BellSouth.net Inc.
7029 2099 1266 213 Windstream Communications Inc
18566 2066 381 182 Covad Communications Co.
22773 2008 2929 125 Cox Communications Inc.
1785 1973 677 124 PaeTec Communications, Inc.
20115 1670 1610 612 Charter Communications
4323 1606 1154 396 tw telecom holdings, inc.
30036 1334 295 663 Mediacom Communications Corp
7018 1318 10837 861 AT&T Services, Inc.
11492 1216 223 331 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1761 544 16 Corbina telecom
34984 1129 233 207 BILISIM TELEKOM
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
12479 845 786 66 France Telecom Espana SA
13188 836 99 33 Ukraine
20940 816 287 650 Akamai Technologies European
8551 798 370 43 Bezeq International
31148 786 41 19 FreeNet ISP
6830 725 2314 436 UPC Broadband
58113 666 74 386 LIR DATACENTER TELECOM SRL
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 2560 1418 94 Types of queries are: POCs, o
10620 2354 407 227 Types of queries are: POCs, o
7303 1673 1152 210 Telecom Argentina S.A.
8151 1210 2664 399 Uninet S.A. de C.V.
6503 1180 435 70 Axtel, S.A.B. de C.V.
14754 949 130 87 Telgua
18881 850 716 18 Global Village Telecom
11830 716 364 14 Instituto Costarricense de El
3816 696 307 87 Types of queries are: POCs, o
7738 650 1306 35 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1137 80 4 MOBITEL
24863 671 274 33 LINKdotNET AS number
6713 541 617 25 Itissalat Al-MAGHRIB
8452 356 958 13 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 208 11 6 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
33776 182 12 19 Starcomms Nigeria Limited
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3038 3694 88 BellSouth.net Inc.
28573 2560 1418 94 Types of queries are: POCs, o
17974 2503 840 86 PT Telekomunikasi Indonesia
10620 2354 407 227 Types of queries are: POCs, o
4766 2142 11550 626 Korea Telecom (KIX)
7029 2099 1266 213 Windstream Communications Inc
18566 2066 381 182 Covad Communications Co.
22773 2008 2929 125 Cox Communications Inc.
1785 1973 677 124 PaeTec Communications, Inc.
7545 1858 302 95 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2560 2466 Types of queries are: POCs, o
17974 2503 2417 PT Telekomunikasi Indonesia
10620 2354 2127 Types of queries are: POCs, o
7029 2099 1886 Windstream Communications Inc
18566 2066 1884 Covad Communications Co.
22773 2008 1883 Cox Communications Inc.
1785 1973 1849 PaeTec Communications, Inc.
7545 1858 1763 TPG Internet Pty Ltd
8402 1761 1745 Corbina telecom
4766 2142 1516 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
19577 UNALLOCATED 12.41.188.0/24 7018 AT&T Services, Inc.
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T Services, Inc.
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T Services, Inc.
17300 UNALLOCATED 12.45.103.0/24 209 Qwest Communications
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 Romerike Bredband AS
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.55.0/24 48571 SC efectRO SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
Complete listing at http://thyme.rand.apnic.net/london/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 /10:30 /11:88 /12:250
/13:483 /14:872 /15:1554 /16:12593 /17:6626 /18:10836
/19:21758 /20:31846 /21:33524 /22:46002 /23:41274 /24:233638
/25:9 /26:11 /27:12 /28:140 /29:196 /30:104
/31:0 /32:129
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications Co.
6389 1742 3038 BellSouth.net Inc.
7029 1563 2099 Windstream Communications Inc
8402 1463 1761 Corbina telecom
22773 1314 2008 Cox Communications Inc.
30036 1211 1334 Mediacom Communications Corp
11492 1178 1216 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1045 1973 PaeTec Communications, Inc.
7011 931 1176 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:711 2:757 3:3 4:12 5:835 6:3
8:513 12:1918 13:3 14:749 15:11 16:3
17:9 20:19 23:253 24:1769 27:1432 31:1203
32:37 33:2 34:5 36:43 37:1705 38:855
39:2 40:164 41:2763 42:184 44:6 46:1765
47:2 49:615 50:666 52:12 54:29 55:8
57:30 58:1024 59:582 60:299 61:1432 62:998
63:2035 64:4256 65:2177 66:4267 67:2058 68:1115
69:3243 70:875 71:522 72:1891 74:2548 75:407
76:287 77:1087 78:1018 79:583 80:1249 81:981
82:620 83:580 84:561 85:1157 86:469 87:953
88:525 89:1788 90:281 91:5446 92:615 93:1700
94:1868 95:1530 96:501 97:340 98:1044 99:38
100:28 101:307 103:2356 105:488 106:133 107:207
108:496 109:1810 110:854 111:1041 112:498 113:766
114:678 115:1003 116:858 117:781 118:1013 119:1227
120:373 121:800 122:1696 123:1180 124:1295 125:1316
128:598 129:196 130:309 131:621 132:327 133:144
134:248 135:62 136:220 137:241 138:344 139:182
140:174 141:300 142:525 143:361 144:478 145:89
146:515 147:346 148:684 149:363 150:155 151:554
152:414 153:194 154:42 155:383 156:257 157:253
158:270 159:627 160:334 161:399 162:364 163:190
164:573 165:446 166:327 167:525 168:1010 169:132
170:1016 171:174 172:4 173:1556 174:579 175:439
176:1130 177:1891 178:2017 179:2 180:1377 181:300
182:1097 183:377 184:660 185:333 186:2363 187:1250
188:1984 189:1402 190:6566 192:6427 193:5657 194:4522
195:3526 196:1323 197:834 198:4247 199:5235 200:5948
201:2365 202:8682 203:8696 204:4437 205:2524 206:2683
207:2744 208:4053 209:3527 210:2804 211:1559 212:2051
213:1949 214:932 215:93 216:5162 217:1572 218:594
219:323 220:1267 221:544 222:317 223:498
End of report
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