* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 20 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 446506
Prefixes after maximum aggregation: 183353
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 219414
Total ASes present in the Internet Routing Table: 43593
Prefixes per ASN: 10.24
Origin-only ASes present in the Internet Routing Table: 34339
Origin ASes announcing only one prefix: 16015
Transit ASes present in the Internet Routing Table: 5778
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 34
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 371
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 4627
Number of 32-bit ASNs visible in the Routing Table: 3476
Prefixes from 32-bit ASNs in the Routing Table: 9770
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 201
Number of addresses announced to Internet: 2623197004
Equivalent to 156 /8s, 90 /16s and 207 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
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: 157551
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107426
Total APNIC prefixes after maximum aggregation: 33202
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 108575
Unique aggregates announced from the APNIC address blocks: 44193
APNIC Region origin ASes present in the Internet Routing Table: 4822
APNIC Prefixes per ASN: 22.52
APNIC Region origin ASes announcing only one prefix: 1232
APNIC Region transit ASes present in the Internet Routing Table: 820
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 463
Number of APNIC addresses announced to Internet: 719690560
Equivalent to 42 /8s, 229 /16s and 155 /24s
Percentage of available APNIC address space announced: 84.1
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: 156919
Total ARIN prefixes after maximum aggregation: 79221
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157599
Unique aggregates announced from the ARIN address blocks: 71912
ARIN Region origin ASes present in the Internet Routing Table: 15553
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5894
ARIN Region transit ASes present in the Internet Routing Table: 1608
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1078361472
Equivalent to 64 /8s, 70 /16s and 125 /24s
Percentage of available ARIN address space announced: 57.0
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: 114388
Total RIPE prefixes after maximum aggregation: 59113
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117797
Unique aggregates announced from the RIPE address blocks: 75600
RIPE Region origin ASes present in the Internet Routing Table: 17105
RIPE Prefixes per ASN: 6.89
RIPE Region origin ASes announcing only one prefix: 8154
RIPE Region transit ASes present in the Internet Routing Table: 2797
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2242
Number of RIPE addresses announced to Internet: 654519908
Equivalent to 39 /8s, 3 /16s and 46 /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: 47363
Total LACNIC prefixes after maximum aggregation: 9333
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 51203
Unique aggregates announced from the LACNIC address blocks: 23738
LACNIC Region origin ASes present in the Internet Routing Table: 1867
LACNIC Prefixes per ASN: 27.43
LACNIC Region origin ASes announcing only one prefix: 551
LACNIC Region transit ASes present in the Internet Routing Table: 344
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 746
Number of LACNIC addresses announced to Internet: 124625192
Equivalent to 7 /8s, 109 /16s and 161 /24s
Percentage of available LACNIC address space announced: 74.3
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: 10514
Total AfriNIC prefixes after maximum aggregation: 2434
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 11131
Unique aggregates announced from the AfriNIC address blocks: 3791
AfriNIC Region origin ASes present in the Internet Routing Table: 607
AfriNIC Prefixes per ASN: 18.34
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: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 45645568
Equivalent to 2 /8s, 184 /16s and 127 /24s
Percentage of available AfriNIC address space announced: 45.3
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 2950 11558 922 Korea Telecom (KIX)
17974 2504 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1837 301 89 TPG Internet Pty Ltd
4755 1721 392 196 TATA Communications formerly
9829 1465 1173 43 BSNL National Internet Backbo
9583 1287 98 532 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1118 2056 321 CNCGROUP IP network: China169
9498 1068 310 75 BHARTI Airtel Ltd.
24560 1060 385 165 Bharti Airtel Ltd., Telemedia
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 3038 3695 92 bellsouth.net, inc.
7029 2175 1266 214 Windstream Communications Inc
18566 2081 382 185 Covad Communications
22773 1993 2929 125 Cox Communications, Inc.
1785 1962 677 123 PaeTec Communications, Inc.
20115 1681 1611 623 Charter Communications
4323 1613 1139 401 Time Warner Telecom
30036 1334 293 690 Mediacom Communications Corp
7018 1308 10809 848 AT&T WorldNet Services
11492 1210 222 329 Cable One
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 1924 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1108 234 206 BILISIM TELEKOM
13188 838 99 34 Educational Network
12479 837 786 66 Uni2 Autonomous System
20940 790 273 638 Akamai Technologies European
31148 781 40 18 FreeNet ISP
8551 717 370 43 Bezeq International
6830 715 2314 436 UPC Distribution Services
58113 664 73 386 LIR DATACENTER TELECOM SRL
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
28573 2462 1338 91 NET Servicos de Comunicao S.A
10620 2354 405 232 TVCABLE BOGOTA
7303 1673 1148 209 Telecom Argentina Stet-France
8151 1340 2671 395 UniNet S.A. de C.V.
6503 1230 435 68 AVANTEL, S.A.
14754 942 128 85 Telgua S. A.
18881 831 716 18 Global Village Telecom
27947 793 87 94 Telconet S.A
3816 692 306 85 Empresa Nacional de Telecomun
7738 650 1306 35 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
36998 1178 80 4 MOBITEL
24863 893 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 511 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 190 698 88 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 3038 3695 92 bellsouth.net, inc.
4766 2950 11558 922 Korea Telecom (KIX)
17974 2504 840 86 PT TELEKOMUNIKASI INDONESIA
28573 2462 1338 91 NET Servicos de Comunicao S.A
10620 2354 405 232 TVCABLE BOGOTA
7029 2175 1266 214 Windstream Communications Inc
18566 2081 382 185 Covad Communications
22773 1993 2929 125 Cox Communications, Inc.
1785 1962 677 123 PaeTec Communications, Inc.
8402 1924 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
17974 2504 2418 PT TELEKOMUNIKASI INDONESIA
28573 2462 2371 NET Servicos de Comunicao S.A
10620 2354 2122 TVCABLE BOGOTA
4766 2950 2028 Korea Telecom (KIX)
7029 2175 1961 Windstream Communications Inc
8402 1924 1908 Corbina telecom
18566 2081 1896 Covad Communications
22773 1993 1868 Cox Communications, Inc.
1785 1962 1839 PaeTec Communications, Inc.
7545 1837 1748 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
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
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
128.0.144.0/22 59675 mywire Datentechnik GmbH
Complete listing at http://thyme.rand.apnic.net/current/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 - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
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/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 /8:17 /9:13 /10:29 /11:88 /12:247
/13:483 /14:872 /15:1562 /16:12655 /17:6611 /18:10879
/19:21716 /20:31685 /21:33585 /22:46127 /23:41626 /24:234021
/25:1369 /26:1769 /27:861 /28:179 /29:74 /30:18
/31:0 /32:20
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1743 3038 bellsouth.net, inc.
8402 1646 1924 Corbina telecom
7029 1568 2175 Windstream Communications Inc
22773 1304 1993 Cox Communications, Inc.
30036 1217 1334 Mediacom Communications Corp
11492 1172 1210 Cable One
36998 1172 1178 MOBITEL
1785 1041 1962 PaeTec Communications, Inc.
7011 950 1198 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:726 2:794 3:3 4:13 5:704 6:3
8:510 12:1931 13:3 14:760 15:11 16:3
17:8 20:19 23:240 24:1799 27:1452 31:1178
32:44 33:2 34:5 36:43 37:1441 38:861
39:2 40:159 41:2722 42:176 44:6 46:1755
47:2 49:612 50:664 52:12 54:28 55:9
57:28 58:1090 59:580 60:303 61:1397 62:1003
63:2039 64:4283 65:2177 66:4276 67:2055 68:1117
69:3266 70:881 71:520 72:1897 74:2551 75:399
76:288 77:1087 78:1041 79:576 80:1238 81:974
82:640 83:562 84:561 85:1154 86:471 87:936
88:376 89:1767 90:262 91:5428 92:600 93:1711
94:1872 95:1590 96:499 97:336 98:1046 99:41
100:29 101:308 103:2297 105:483 106:131 107:207
108:516 109:1783 110:854 111:1038 112:497 113:765
114:684 115:959 116:880 117:808 118:999 119:1267
120:378 121:781 122:1735 123:1193 124:1325 125:1314
128:544 129:221 130:324 131:645 132:332 133:143
134:254 135:60 136:221 137:243 138:343 139:178
140:198 141:315 142:533 143:374 144:488 145:89
146:521 147:359 148:707 149:358 150:157 151:468
152:411 153:194 154:32 155:379 156:250 157:392
158:267 159:712 160:335 161:425 162:373 163:208
164:575 165:452 166:391 167:574 168:1017 169:130
170:1024 171:168 172:4 173:1591 174:578 175:434
176:1155 177:1777 178:1801 180:1382 181:284 182:1221
183:350 184:661 185:298 186:2363 187:1265 188:1923
189:1425 190:6608 192:6415 193:5679 194:4521 195:3472
196:1305 197:827 198:4225 199:5263 200:6017 201:2253
202:8906 203:8755 204:4490 205:2578 206:2788 207:2824
208:4055 209:3533 210:2913 211:1563 212:2005 213:1960
214:909 215:95 216:5195 217:1571 218:606 219:337
220:1269 221:547 222:315 223:477
End of report
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