* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 25 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 447545
Prefixes after maximum aggregation: 183439
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 220258
Total ASes present in the Internet Routing Table: 43629
Prefixes per ASN: 10.26
Origin-only ASes present in the Internet Routing Table: 34349
Origin ASes announcing only one prefix: 16021
Transit ASes present in the Internet Routing Table: 5783
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 382
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 4650
Number of 32-bit ASNs visible in the Routing Table: 3497
Prefixes from 32-bit ASNs in the Routing Table: 10108
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 189
Number of addresses announced to Internet: 2623085772
Equivalent to 156 /8s, 89 /16s and 28 /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: 158389
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107623
Total APNIC prefixes after maximum aggregation: 33241
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 108782
Unique aggregates announced from the APNIC address blocks: 44184
APNIC Region origin ASes present in the Internet Routing Table: 4820
APNIC Prefixes per ASN: 22.57
APNIC Region origin ASes announcing only one prefix: 1230
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: 473
Number of APNIC addresses announced to Internet: 719489088
Equivalent to 42 /8s, 226 /16s and 136 /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: 156956
Total ARIN prefixes after maximum aggregation: 79222
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157611
Unique aggregates announced from the ARIN address blocks: 72061
ARIN Region origin ASes present in the Internet Routing Table: 15559
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5898
ARIN Region transit ASes present in the Internet Routing Table: 1611
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: 1078305920
Equivalent to 64 /8s, 69 /16s and 164 /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: 114636
Total RIPE prefixes after maximum aggregation: 59145
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 118262
Unique aggregates announced from the RIPE address blocks: 76240
RIPE Region origin ASes present in the Internet Routing Table: 17111
RIPE Prefixes per ASN: 6.91
RIPE Region origin ASes announcing only one prefix: 8159
RIPE Region transit ASes present in the Internet Routing Table: 2795
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2250
Number of RIPE addresses announced to Internet: 654655460
Equivalent to 39 /8s, 5 /16s and 63 /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: 47547
Total LACNIC prefixes after maximum aggregation: 9344
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 51521
Unique aggregates announced from the LACNIC address blocks: 23820
LACNIC Region origin ASes present in the Internet Routing Table: 1877
LACNIC Prefixes per ASN: 27.45
LACNIC Region origin ASes announcing only one prefix: 556
LACNIC Region transit ASes present in the Internet Routing Table: 345
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 749
Number of LACNIC addresses announced to Internet: 124770600
Equivalent to 7 /8s, 111 /16s and 217 /24s
Percentage of available LACNIC address space announced: 74.4
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: 10539
Total AfriNIC prefixes after maximum aggregation: 2437
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 11180
Unique aggregates announced from the AfriNIC address blocks: 3780
AfriNIC Region origin ASes present in the Internet Routing Table: 595
AfriNIC Prefixes per ASN: 18.79
AfriNIC Region origin ASes announcing only one prefix: 178
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 45514496
Equivalent to 2 /8s, 182 /16s and 127 /24s
Percentage of available AfriNIC address space announced: 45.2
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 2949 11558 922 Korea Telecom (KIX)
17974 2505 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1845 301 89 TPG Internet Pty Ltd
4755 1726 392 197 TATA Communications formerly
9829 1470 1173 43 BSNL National Internet Backbo
9583 1280 97 526 Sify Limited
7552 1159 1063 12 Vietel Corporation
4808 1115 2056 320 CNCGROUP IP network: China169
24560 1060 385 165 Bharti Airtel Ltd., Telemedia
9498 1059 310 73 BHARTI Airtel Ltd.
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 3033 3694 87 bellsouth.net, inc.
7029 2170 1266 215 Windstream Communications Inc
18566 2079 382 185 Covad Communications
22773 1993 2929 125 Cox Communications, Inc.
1785 1967 677 125 PaeTec Communications, Inc.
20115 1683 1613 620 Charter Communications
4323 1612 1139 401 Time Warner Telecom
30036 1321 291 675 Mediacom Communications Corp
7018 1313 10810 850 AT&T WorldNet Services
11492 1212 222 330 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 1879 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1111 234 206 BILISIM TELEKOM
12479 841 786 66 Uni2 Autonomous System
13188 836 99 36 Educational Network
20940 799 278 635 Akamai Technologies European
31148 786 41 19 FreeNet ISP
8551 716 370 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 2471 1335 84 NET Servicos de Comunicao S.A
10620 2362 407 238 TVCABLE BOGOTA
7303 1673 1148 209 Telecom Argentina Stet-France
8151 1359 2682 405 UniNet S.A. de C.V.
6503 1185 435 68 AVANTEL, S.A.
14754 941 127 87 Telgua S. A.
18881 834 716 18 Global Village Telecom
27947 795 87 96 Telconet S.A
11830 726 364 14 Instituto Costarricense de El
3816 692 306 85 Empresa Nacional de Telecomun
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 1286 80 4 MOBITEL
24863 891 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 477 958 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 3033 3694 87 bellsouth.net, inc.
4766 2949 11558 922 Korea Telecom (KIX)
17974 2505 840 86 PT TELEKOMUNIKASI INDONESIA
28573 2471 1335 84 NET Servicos de Comunicao S.A
10620 2362 407 238 TVCABLE BOGOTA
7029 2170 1266 215 Windstream Communications Inc
18566 2079 382 185 Covad Communications
22773 1993 2929 125 Cox Communications, Inc.
1785 1967 677 125 PaeTec Communications, Inc.
8402 1879 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 2505 2419 PT TELEKOMUNIKASI INDONESIA
28573 2471 2387 NET Servicos de Comunicao S.A
10620 2362 2124 TVCABLE BOGOTA
4766 2949 2027 Korea Telecom (KIX)
7029 2170 1955 Windstream Communications Inc
18566 2079 1894 Covad Communications
22773 1993 1868 Cox Communications, Inc.
8402 1879 1863 Corbina telecom
1785 1967 1842 PaeTec Communications, Inc.
7545 1845 1756 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 /14:871 /15:1562 /16:12649 /17:6601 /18:10878
/19:21726 /20:31668 /21:33575 /22:46160 /23:41662 /24:235002
/25:1385 /26:1770 /27:864 /28:181 /29:76 /30:18
/31:0 /32:20
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2029 2079 Covad Communications
6389 1743 3033 bellsouth.net, inc.
8402 1594 1879 Corbina telecom
7029 1578 2170 Windstream Communications Inc
22773 1304 1993 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1204 1321 Mediacom Communications Corp
11492 1174 1212 Cable One
1785 1043 1967 PaeTec Communications, Inc.
7011 942 1187 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:741 2:790 3:3 4:13 5:834 6:3
8:512 12:1932 13:3 14:760 15:11 16:3
17:8 20:19 23:246 24:1801 27:1468 31:1178
32:44 33:2 34:5 36:43 37:1450 38:859
39:2 40:159 41:2756 42:183 44:6 46:1753
47:2 49:607 50:669 52:12 54:28 55:10
57:27 58:1100 59:599 60:304 61:1449 62:1020
63:2039 64:4286 65:2176 66:4283 67:2056 68:1116
69:3266 70:871 71:525 72:1896 74:2554 75:399
76:291 77:1083 78:1021 79:578 80:1244 81:978
82:613 83:558 84:562 85:1151 86:466 87:948
88:514 89:1764 90:262 91:5444 92:608 93:1697
94:1865 95:1591 96:497 97:336 98:1045 99:41
100:29 101:312 103:2306 105:517 106:133 107:207
108:517 109:1815 110:848 111:1041 112:499 113:752
114:680 115:990 116:865 117:794 118:1013 119:1252
120:384 121:825 122:1740 123:1185 124:1325 125:1317
128:550 129:221 130:326 131:651 132:332 133:145
134:257 135:60 136:220 137:243 138:339 139:181
140:199 141:319 142:535 143:369 144:485 145:90
146:524 147:360 148:697 149:356 150:157 151:482
152:415 153:194 154:34 155:384 156:251 157:392
158:268 159:708 160:333 161:423 162:374 163:208
164:576 165:452 166:371 167:575 168:1017 169:131
170:1029 171:169 172:5 173:1578 174:586 175:432
176:1145 177:1848 178:1974 179:1 180:1381 181:293
182:1226 183:349 184:651 185:300 186:2397 187:1219
188:1904 189:1398 190:6682 192:6417 193:5677 194:4509
195:3465 196:1290 197:906 198:4270 199:5261 200:6023
201:2370 202:8860 203:8759 204:4487 205:2541 206:2787
207:2825 208:4060 209:3540 210:2916 211:1568 212:2003
213:1959 214:908 215:95 216:5195 217:1575 218:604
219:351 220:1269 221:547 222:318 223:492
End of report
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