* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 03 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 441529
Prefixes after maximum aggregation: 181747
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 221146
Total ASes present in the Internet Routing Table: 40032
Prefixes per ASN: 11.03
Origin-only ASes present in the Internet Routing Table: 34405
Origin ASes announcing only one prefix: 16067
Transit ASes present in the Internet Routing Table: 5619
Transit-only ASes present in the Internet Routing Table: 127
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 943
Unregistered ASNs in the Routing Table: 160
Number of 32-bit ASNs allocated by the RIRs: 4673
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10226
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 216
Number of addresses announced to Internet: 2647720192
Equivalent to 157 /8s, 209 /16s and 1 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
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: 154429
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102345
Total APNIC prefixes after maximum aggregation: 31866
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104139
Unique aggregates announced from the APNIC address blocks: 44346
APNIC Region origin ASes present in the Internet Routing Table: 4772
APNIC Prefixes per ASN: 21.82
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 785
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: 718884608
Equivalent to 42 /8s, 217 /16s and 79 /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: 155947
Total ARIN prefixes after maximum aggregation: 78931
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156667
Unique aggregates announced from the ARIN address blocks: 72209
ARIN Region origin ASes present in the Internet Routing Table: 15525
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5917
ARIN Region transit ASes present in the Internet Routing Table: 1544
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: 1079860992
Equivalent to 64 /8s, 93 /16s and 95 /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: 115217
Total RIPE prefixes after maximum aggregation: 59129
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 118932
Unique aggregates announced from the RIPE address blocks: 76614
RIPE Region origin ASes present in the Internet Routing Table: 17097
RIPE Prefixes per ASN: 6.96
RIPE Region origin ASes announcing only one prefix: 8162
RIPE Region transit ASes present in the Internet Routing Table: 2759
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: 654648576
Equivalent to 39 /8s, 5 /16s and 37 /24s
Percentage of available RIPE address space announced: 95.2
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: 46901
Total LACNIC prefixes after maximum aggregation: 9299
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 50833
Unique aggregates announced from the LACNIC address blocks: 23995
LACNIC Region origin ASes present in the Internet Routing Table: 1865
LACNIC Prefixes per ASN: 27.26
LACNIC Region origin ASes announcing only one prefix: 561
LACNIC Region transit ASes present in the Internet Routing Table: 338
Average LACNIC Region AS path length visible: 4.0
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: 125497856
Equivalent to 7 /8s, 122 /16s and 242 /24s
Percentage of available LACNIC address space announced: 74.8
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: 10142
Total AfriNIC prefixes after maximum aggregation: 2474
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 10741
Unique aggregates announced from the AfriNIC address blocks: 3780
AfriNIC Region origin ASes present in the Internet Routing Table: 610
AfriNIC Prefixes per ASN: 17.61
AfriNIC Region origin ASes announcing only one prefix: 184
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 46196480
Equivalent to 2 /8s, 192 /16s and 231 /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 2500 840 86 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1858 302 95 TPG Internet Pty Ltd
4755 1710 392 198 TATA Communications formerly
9829 1460 1205 40 National Internet Backbone
9583 1257 96 524 Sify Limited
7552 1166 1066 12 Vietel Corporation
9498 1057 308 70 BHARTI Airtel Ltd.
24560 1057 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 3030 3694 86 BellSouth.net Inc.
7029 2180 1266 213 Windstream Communications Inc
18566 2066 381 182 Covad Communications Co.
22773 2006 2929 125 Cox Communications Inc.
1785 1974 677 125 PaeTec Communications, Inc.
20115 1671 1611 613 Charter Communications
4323 1606 1154 396 tw telecom holdings, inc.
30036 1321 290 669 Mediacom Communications Corp
7018 1315 10837 857 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 1784 544 16 Corbina telecom
34984 1132 234 209 BILISIM TELEKOM
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
12479 844 786 66 France Telecom Espana SA
13188 836 99 33 Ukraine
20940 807 282 641 Akamai Technologies European
31148 786 41 19 FreeNet ISP
6830 716 2314 437 UPC Broadband
8551 667 368 55 Bezeq International
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 2511 1368 96 Types of queries are: POCs, o
10620 2353 406 238 Types of queries are: POCs, o
7303 1672 1152 209 Telecom Argentina S.A.
8151 1210 2664 400 Uninet S.A. de C.V.
6503 1180 435 70 Axtel, S.A.B. de C.V.
14754 941 127 84 Telgua
18881 849 716 18 Global Village Telecom
27947 774 87 95 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 695 307 87 Types of queries are: POCs, o
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 672 274 33 LINKdotNET AS number
6713 529 615 23 Itissalat Al-MAGHRIB
8452 356 958 13 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 209 11 7 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 3030 3694 86 BellSouth.net Inc.
28573 2511 1368 96 Types of queries are: POCs, o
17974 2500 840 86 PT Telekomunikasi Indonesia
10620 2353 406 238 Types of queries are: POCs, o
7029 2180 1266 213 Windstream Communications Inc
4766 2141 11550 626 Korea Telecom (KIX)
18566 2066 381 182 Covad Communications Co.
22773 2006 2929 125 Cox Communications Inc.
1785 1974 677 125 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 2511 2415 Types of queries are: POCs, o
17974 2500 2414 PT Telekomunikasi Indonesia
10620 2353 2115 Types of queries are: POCs, o
7029 2180 1967 Windstream Communications Inc
18566 2066 1884 Covad Communications Co.
22773 2006 1881 Cox Communications Inc.
1785 1974 1849 PaeTec Communications, Inc.
8402 1784 1768 Corbina telecom
7545 1858 1763 TPG Internet Pty Ltd
4766 2141 1515 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.
128.0.72.0/21 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
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
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
62.12.96.0/19 38478 SunnyVision Limited
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.
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 /12:249
/13:481 /14:872 /15:1559 /16:12619 /17:6625 /18:10823
/19:21712 /20:31775 /21:33472 /22:45807 /23:41136 /24:233653
/25:9 /26:11 /27:12 /28:140 /29:194 /30:102
/31:0 /32:129
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications Co.
6389 1741 3030 BellSouth.net Inc.
7029 1596 2180 Windstream Communications Inc
8402 1486 1784 Corbina telecom
22773 1312 2006 Cox Communications Inc.
30036 1201 1321 Mediacom Communications Corp
11492 1178 1216 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1045 1974 PaeTec Communications, Inc.
7011 931 1175 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:707 2:769 3:3 4:13 5:822 6:5
8:515 12:1920 13:3 14:749 15:11 16:3
17:8 20:19 23:251 24:1795 27:1434 31:1200
32:39 33:2 34:5 36:43 37:1683 38:856
39:2 40:164 41:2741 42:183 44:6 46:1757
47:2 49:614 50:663 52:12 54:28 55:7
57:30 58:1025 59:582 60:299 61:1430 62:988
63:2035 64:4281 65:2177 66:4275 67:2061 68:1115
69:3271 70:873 71:525 72:1896 74:2552 75:403
76:287 77:1089 78:993 79:523 80:1252 81:977
82:615 83:579 84:554 85:1147 86:466 87:948
88:519 89:1779 90:281 91:5449 92:616 93:1687
94:1861 95:1530 96:498 97:340 98:1051 99:38
100:28 101:309 103:2336 105:488 106:134 107:207
108:496 109:1778 110:852 111:1040 112:499 113:766
114:676 115:1003 116:852 117:782 118:1000 119:1222
120:372 121:803 122:1696 123:1188 124:1292 125:1316
128:596 129:196 130:318 131:641 132:320 133:144
134:248 135:62 136:220 137:240 138:344 139:182
140:173 141:300 142:524 143:364 144:478 145:90
146:518 147:378 148:685 149:359 150:155 151:556
152:414 153:194 154:34 155:382 156:257 157:344
158:271 159:627 160:334 161:399 162:374 163:190
164:572 165:446 166:359 167:577 168:1008 169:132
170:1014 171:173 172:4 173:1578 174:577 175:436
176:1119 177:1873 178:2010 179:2 180:1381 181:298
182:1090 183:378 184:661 185:332 186:2404 187:1244
188:1915 189:1405 190:6598 192:6416 193:5674 194:4516
195:3464 196:1325 197:828 198:4238 199:5233 200:5977
201:2369 202:8696 203:8695 204:4429 205:2524 206:2697
207:2762 208:4061 209:3532 210:2803 211:1559 212:2017
213:1945 214:932 215:93 216:5184 217:1578 218:593
219:330 220:1266 221:542 222:317 223:495
End of report
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