* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 29 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 440800
Prefixes after maximum aggregation: 181461
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 220634
Total ASes present in the Internet Routing Table: 40002
Prefixes per ASN: 11.02
Origin-only ASes present in the Internet Routing Table: 34374
Origin ASes announcing only one prefix: 16046
Transit ASes present in the Internet Routing Table: 5620
Transit-only ASes present in the Internet Routing Table: 128
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: 960
Unregistered ASNs in the Routing Table: 164
Number of 32-bit ASNs allocated by the RIRs: 4660
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10143
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 216
Number of addresses announced to Internet: 2644788736
Equivalent to 157 /8s, 164 /16s and 70 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
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: 154280
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102049
Total APNIC prefixes after maximum aggregation: 31803
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 103860
Unique aggregates announced from the APNIC address blocks: 44222
APNIC Region origin ASes present in the Internet Routing Table: 4761
APNIC Prefixes per ASN: 21.81
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: 718693632
Equivalent to 42 /8s, 214 /16s and 101 /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: 155783
Total ARIN prefixes after maximum aggregation: 78808
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156466
Unique aggregates announced from the ARIN address blocks: 72110
ARIN Region origin ASes present in the Internet Routing Table: 15510
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5903
ARIN Region transit ASes present in the Internet Routing Table: 1548
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1079558144
Equivalent to 64 /8s, 88 /16s and 192 /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: 115242
Total RIPE prefixes after maximum aggregation: 59112
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 118953
Unique aggregates announced from the RIPE address blocks: 76564
RIPE Region origin ASes present in the Internet Routing Table: 17095
RIPE Prefixes per ASN: 6.96
RIPE Region origin ASes announcing only one prefix: 8154
RIPE Region transit ASes present in the Internet Routing Table: 2753
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: 654591744
Equivalent to 39 /8s, 4 /16s and 71 /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: 46908
Total LACNIC prefixes after maximum aggregation: 9264
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 50825
Unique aggregates announced from the LACNIC address blocks: 23863
LACNIC Region origin ASes present in the Internet Routing Table: 1868
LACNIC Prefixes per ASN: 27.21
LACNIC Region origin ASes announcing only one prefix: 562
LACNIC Region transit ASes present in the Internet Routing Table: 343
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 22
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 125257472
Equivalent to 7 /8s, 119 /16s and 71 /24s
Percentage of available LACNIC address space announced: 74.7
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: 9907
Total AfriNIC prefixes after maximum aggregation: 2423
AfriNIC Deaggregation factor: 4.09
Prefixes being announced from the AfriNIC address blocks: 10479
Unique aggregates announced from the AfriNIC address blocks: 3674
AfriNIC Region origin ASes present in the Internet Routing Table: 602
AfriNIC Prefixes per ASN: 17.41
AfriNIC Region origin ASes announcing only one prefix: 184
AfriNIC Region transit ASes present in the Internet Routing Table: 131
Average AfriNIC Region AS path length visible: 3.8
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: 44056064
Equivalent to 2 /8s, 160 /16s and 62 /24s
Percentage of available AfriNIC address space announced: 43.8
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 2506 840 86 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1846 301 91 TPG Internet Pty Ltd
4755 1698 392 197 TATA Communications formerly
9829 1481 1189 43 National Internet Backbone
9583 1200 90 499 Sify Limited
7552 1177 1066 12 Vietel Corporation
24560 1055 385 169 Bharti Airtel Ltd., Telemedia
9498 1054 308 70 BHARTI Airtel Ltd.
4808 1021 1998 297 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 3032 3694 87 BellSouth.net Inc.
7029 2193 1266 213 Windstream Communications Inc
18566 2067 382 183 Covad Communications Co.
22773 2004 2929 125 Cox Communications Inc.
1785 1965 677 123 PaeTec Communications, Inc.
20115 1668 1610 612 Charter Communications
4323 1611 1155 402 tw telecom holdings, inc.
7018 1320 10842 857 AT&T Services, Inc.
30036 1318 290 672 Mediacom Communications Corp
11492 1214 223 327 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 1814 544 16 Corbina telecom
34984 1120 233 207 BILISIM TELEKOM
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
12479 843 786 66 France Telecom Espana SA
13188 836 99 33 Ukraine
20940 804 281 639 Akamai Technologies European
8551 794 370 43 Bezeq International
31148 782 41 20 FreeNet ISP
6830 716 2314 437 UPC Broadband
58113 665 74 385 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 2480 1346 92 Types of queries are: POCs, o
10620 2360 407 236 Types of queries are: POCs, o
7303 1673 1152 210 Telecom Argentina S.A.
8151 1218 2672 399 Uninet S.A. de C.V.
6503 1180 435 70 Axtel, S.A.B. de C.V.
14754 940 126 86 Telgua
18881 841 716 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 497 615 23 Itissalat Al-MAGHRIB
8452 347 446 12 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 3032 3694 87 BellSouth.net Inc.
17974 2506 840 86 PT Telekomunikasi Indonesia
28573 2480 1346 92 Types of queries are: POCs, o
10620 2360 407 236 Types of queries are: POCs, o
7029 2193 1266 213 Windstream Communications Inc
4766 2141 11550 626 Korea Telecom (KIX)
18566 2067 382 183 Covad Communications Co.
22773 2004 2929 125 Cox Communications Inc.
1785 1965 677 123 PaeTec Communications, Inc.
7545 1846 301 91 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
17974 2506 2420 PT Telekomunikasi Indonesia
28573 2480 2388 Types of queries are: POCs, o
10620 2360 2124 Types of queries are: POCs, o
7029 2193 1980 Windstream Communications Inc
18566 2067 1884 Covad Communications Co.
22773 2004 1879 Cox Communications Inc.
1785 1965 1842 PaeTec Communications, Inc.
8402 1814 1798 Corbina telecom
7545 1846 1755 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 7832 WW/Precision Communi
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 /11:87 /12:249
/13:481 /14:873 /15:1558 /16:12606 /17:6624 /18:10822
/19:21691 /20:31741 /21:33378 /22:45725 /23:41128 /24:233167
/25:8 /26:11 /27:12 /28:140 /29:192 /30:102
/31:0 /32:144
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2067 Covad Communications Co.
6389 1742 3032 BellSouth.net Inc.
7029 1596 2193 Windstream Communications Inc
8402 1510 1814 Corbina telecom
22773 1313 2004 Cox Communications Inc.
30036 1199 1318 Mediacom Communications Corp
11492 1176 1214 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1044 1965 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)
----------------------------------------------
1:703 2:772 3:3 4:13 5:835 6:3
8:513 12:1919 13:3 14:738 15:11 16:3
17:8 20:19 23:246 24:1796 27:1442 31:1192
32:39 33:2 34:5 36:43 37:1704 38:858
39:2 40:160 41:2627 42:182 44:6 46:1743
47:2 49:613 50:662 52:12 54:28 55:10
57:30 58:1024 59:591 60:291 61:1437 62:981
63:2037 64:4286 65:2173 66:4274 67:2057 68:1114
69:3268 70:874 71:525 72:1895 74:2550 75:401
76:293 77:1084 78:1000 79:580 80:1253 81:979
82:613 83:580 84:557 85:1153 86:471 87:948
88:509 89:1784 90:262 91:5453 92:608 93:1693
94:1865 95:1541 96:499 97:339 98:1047 99:38
100:28 101:311 103:2317 105:488 106:135 107:207
108:496 109:1796 110:852 111:1037 112:496 113:765
114:676 115:1009 116:849 117:783 118:1004 119:1225
120:363 121:803 122:1695 123:1186 124:1292 125:1314
128:605 129:193 130:318 131:647 132:326 133:144
134:248 135:62 136:220 137:240 138:343 139:179
140:170 141:300 142:523 143:368 144:480 145:90
146:517 147:360 148:684 149:355 150:154 151:532
152:414 153:194 154:33 155:383 156:248 157:344
158:271 159:628 160:332 161:400 162:374 163:190
164:571 165:445 166:371 167:576 168:1008 169:131
170:1018 171:171 172:4 173:1574 174:580 175:434
176:1121 177:1873 178:1969 179:1 180:1382 181:300
182:1010 183:353 184:660 185:326 186:2408 187:1243
188:1899 189:1398 190:6639 192:6381 193:5682 194:4520
195:3471 196:1303 197:815 198:4223 199:5240 200:5948
201:2362 202:8699 203:8617 204:4420 205:2527 206:2698
207:2760 208:4056 209:3527 210:2803 211:1560 212:1968
213:1933 214:914 215:94 216:5179 217:1581 218:592
219:334 220:1266 221:544 222:317 223:498
End of report
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