* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 15 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 444089
Prefixes after maximum aggregation: 182183
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 214447
Total ASes present in the Internet Routing Table: 40109
Prefixes per ASN: 11.07
Origin-only ASes present in the Internet Routing Table: 34471
Origin ASes announcing only one prefix: 16083
Transit ASes present in the Internet Routing Table: 5630
Transit-only ASes present in the Internet Routing Table: 124
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 21
Prefixes from unregistered ASNs in the Routing Table: 951
Unregistered ASNs in the Routing Table: 166
Number of 32-bit ASNs allocated by the RIRs: 4722
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10066
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 218
Number of addresses announced to Internet: 2633300736
Equivalent to 156 /8s, 244 /16s and 251 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
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: 155474
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102656
Total APNIC prefixes after maximum aggregation: 31941
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104430
Unique aggregates announced from the APNIC address blocks: 44379
APNIC Region origin ASes present in the Internet Routing Table: 4768
APNIC Prefixes per ASN: 21.90
APNIC Region origin ASes announcing only one prefix: 1239
APNIC Region transit ASes present in the Internet Routing Table: 784
Average APNIC Region AS path length visible: 4.0
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: 718227200
Equivalent to 42 /8s, 207 /16s and 71 /24s
Percentage of available APNIC address space announced: 83.9
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: 156399
Total ARIN prefixes after maximum aggregation: 79173
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157118
Unique aggregates announced from the ARIN address blocks: 72431
ARIN Region origin ASes present in the Internet Routing Table: 15566
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5933
ARIN Region transit ASes present in the Internet Routing Table: 1550
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: 1062557440
Equivalent to 63 /8s, 85 /16s and 87 /24s
Percentage of available ARIN address space announced: 56.2
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: 116879
Total RIPE prefixes after maximum aggregation: 59254
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120401
Unique aggregates announced from the RIPE address blocks: 69384
RIPE Region origin ASes present in the Internet Routing Table: 17117
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8162
RIPE Region transit ASes present in the Internet Routing Table: 2752
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656890112
Equivalent to 39 /8s, 39 /16s and 89 /24s
Percentage of available RIPE address space announced: 95.5
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: 47282
Total LACNIC prefixes after maximum aggregation: 9263
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 51239
Unique aggregates announced from the LACNIC address blocks: 24158
LACNIC Region origin ASes present in the Internet Routing Table: 1880
LACNIC Prefixes per ASN: 27.25
LACNIC Region origin ASes announcing only one prefix: 559
LACNIC Region transit ASes present in the Internet Routing Table: 347
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: 126722048
Equivalent to 7 /8s, 141 /16s and 160 /24s
Percentage of available LACNIC address space announced: 75.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10076
Total AfriNIC prefixes after maximum aggregation: 2504
AfriNIC Deaggregation factor: 4.02
Prefixes being announced from the AfriNIC address blocks: 10682
Unique aggregates announced from the AfriNIC address blocks: 3891
AfriNIC Region origin ASes present in the Internet Routing Table: 618
AfriNIC Prefixes per ASN: 17.28
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 46190592
Equivalent to 2 /8s, 192 /16s and 208 /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 2509 840 86 PT Telekomunikasi Indonesia
4766 2145 11550 627 Korea Telecom (KIX)
7545 1878 320 108 TPG Internet Pty Ltd
4755 1712 392 198 TATA Communications formerly
9829 1503 1205 40 National Internet Backbone
9583 1259 96 532 Sify Limited
7552 1168 1066 12 Vietel Corporation
9498 1066 308 69 BHARTI Airtel Ltd.
24560 1064 353 162 Bharti Airtel Ltd., Telemedia
4808 1022 2002 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 3037 3694 87 BellSouth.net Inc.
7029 2118 1265 212 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2012 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
20115 1668 1610 610 Charter Communications
4323 1607 1154 396 tw telecom holdings, inc.
30036 1339 296 659 Mediacom Communications Corp
7018 1327 10840 868 AT&T Services, Inc.
11492 1218 225 337 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 1774 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1144 233 207 BILISIM TELEKOM
12479 843 786 66 France Telecom Espana SA
13188 836 99 33 Ukraine
20940 813 288 647 Akamai Technologies European
8551 802 370 43 Bezeq International
31148 793 41 21 FreeNet ISP
6830 752 2318 440 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 2601 1433 99 Types of queries are: POCs, o
10620 2365 409 219 Types of queries are: POCs, o
7303 1674 1153 211 Telecom Argentina S.A.
8151 1215 2686 393 Uninet S.A. de C.V.
14754 1132 153 37 Telgua
6503 1106 435 70 Axtel, S.A.B. de C.V.
18881 850 716 18 Global Village Telecom
27947 779 88 97 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 699 307 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 691 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 358 956 9 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 207 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 173 696 91 MTN Network Solutions
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 3037 3694 87 BellSouth.net Inc.
28573 2601 1433 99 Types of queries are: POCs, o
17974 2509 840 86 PT Telekomunikasi Indonesia
10620 2365 409 219 Types of queries are: POCs, o
4766 2145 11550 627 Korea Telecom (KIX)
7029 2118 1265 212 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2012 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
7545 1878 320 108 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 2601 2502 Types of queries are: POCs, o
17974 2509 2423 PT Telekomunikasi Indonesia
10620 2365 2146 Types of queries are: POCs, o
7029 2118 1906 Windstream Communications Inc
22773 2012 1887 Cox Communications Inc.
18566 2065 1883 Covad Communications Co.
1785 1973 1851 PaeTec Communications, Inc.
7545 1878 1770 TPG Internet Pty Ltd
8402 1774 1758 Corbina telecom
4766 2145 1518 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 /12:249
/13:483 /14:881 /15:1559 /16:12616 /17:6641 /18:10893
/19:21760 /20:31874 /21:33642 /22:46246 /23:41388 /24:235140
/25:9 /26:11 /27:12 /28:133 /29:180 /30:104
/31:0 /32:119
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications Co.
6389 1742 3037 BellSouth.net Inc.
7029 1578 2118 Windstream Communications Inc
8402 1474 1774 Corbina telecom
22773 1317 2012 Cox Communications Inc.
30036 1215 1339 Mediacom Communications Corp
11492 1178 1218 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1047 1973 PaeTec Communications, Inc.
6983 1005 1131 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:728 2:753 3:3 4:12 5:861 6:4
8:536 12:1921 13:3 14:749 15:11 16:3
17:9 20:18 23:257 24:1770 27:1451 31:1221
32:38 33:2 34:5 36:43 37:1792 38:856
39:2 40:169 41:2601 42:183 44:6 46:1777
47:2 49:620 50:667 52:12 54:30 55:8
57:30 58:1025 59:585 60:300 61:1429 62:997
63:2028 64:4305 65:2175 66:4292 67:2072 68:1118
69:3243 70:876 71:527 72:1915 74:2566 75:411
76:291 77:1096 78:1038 79:590 80:1232 81:979
82:620 83:579 84:566 85:1167 86:464 87:954
88:527 89:1798 90:281 91:5484 92:617 93:1713
94:1869 95:1625 96:503 97:340 98:1049 99:38
100:28 101:310 103:2406 105:488 106:136 107:207
108:497 109:1806 110:841 111:1044 112:500 113:780
114:678 115:1000 116:855 117:782 118:1016 119:1219
120:384 121:804 122:1691 123:1183 124:1297 125:1327
128:598 129:198 130:309 131:648 132:332 133:147
134:250 135:62 136:221 137:245 138:343 139:185
140:172 141:303 142:523 143:359 144:498 145:91
146:501 147:380 148:683 149:366 150:153 151:526
152:417 153:194 154:43 155:392 156:257 157:346
158:267 159:633 160:337 161:400 162:367 163:190
164:572 165:444 166:332 167:578 168:1018 169:132
170:1031 171:174 172:5 173:1605 174:587 175:443
176:1219 177:1857 178:1804 179:2 180:1393 181:377
182:1098 183:371 184:659 185:356 186:2461 187:1246
188:2011 189:1313 190:6652 192:6444 193:5835 194:4646
195:3642 196:1314 197:885 198:4270 199:5245 200:5964
201:2383 202:8709 203:8659 204:4452 205:2521 206:2727
207:2762 208:4054 209:3567 210:2813 211:1558 212:2066
213:1921 214:927 215:98 216:5214 217:1572 218:611
219:330 220:1265 221:548 222:306 223:440
End of report
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