* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 13 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 445454
Prefixes after maximum aggregation: 183256
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 218869
Total ASes present in the Internet Routing Table: 43554
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 34304
Origin ASes announcing only one prefix: 16011
Transit ASes present in the Internet Routing Table: 5788
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: 38
Max AS path prepend of ASN ( 22394) 35
Prefixes from unregistered ASNs in the Routing Table: 366
Unregistered ASNs in the Routing Table: 133
Number of 32-bit ASNs allocated by the RIRs: 4605
Number of 32-bit ASNs visible in the Routing Table: 3462
Prefixes from 32-bit ASNs in the Routing Table: 9719
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 188
Number of addresses announced to Internet: 2622693156
Equivalent to 156 /8s, 83 /16s and 31 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.3
Total number of prefixes smaller than registry allocations: 157493
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107040
Total APNIC prefixes after maximum aggregation: 33183
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 108162
Unique aggregates announced from the APNIC address blocks: 44082
APNIC Region origin ASes present in the Internet Routing Table: 4818
APNIC Prefixes per ASN: 22.45
APNIC Region origin ASes announcing only one prefix: 1239
APNIC Region transit ASes present in the Internet Routing Table: 814
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: 454
Number of APNIC addresses announced to Internet: 719241504
Equivalent to 42 /8s, 222 /16s and 193 /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: 156672
Total ARIN prefixes after maximum aggregation: 79192
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157365
Unique aggregates announced from the ARIN address blocks: 71573
ARIN Region origin ASes present in the Internet Routing Table: 15543
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5892
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: 38
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1078183040
Equivalent to 64 /8s, 67 /16s and 196 /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: 114172
Total RIPE prefixes after maximum aggregation: 59080
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 117537
Unique aggregates announced from the RIPE address blocks: 75423
RIPE Region origin ASes present in the Internet Routing Table: 17100
RIPE Prefixes per ASN: 6.87
RIPE Region origin ASes announcing only one prefix: 8152
RIPE Region transit ASes present in the Internet Routing Table: 2805
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2234
Number of RIPE addresses announced to Internet: 654638948
Equivalent to 39 /8s, 4 /16s and 255 /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: 47080
Total LACNIC prefixes after maximum aggregation: 9324
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 50970
Unique aggregates announced from the LACNIC address blocks: 23879
LACNIC Region origin ASes present in the Internet Routing Table: 1857
LACNIC Prefixes per ASN: 27.45
LACNIC Region origin ASes announcing only one prefix: 545
LACNIC Region transit ASes present in the Internet Routing Table: 339
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 749
Number of LACNIC addresses announced to Internet: 124636960
Equivalent to 7 /8s, 109 /16s and 207 /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: 10643
Total AfriNIC prefixes after maximum aggregation: 2427
AfriNIC Deaggregation factor: 4.39
Prefixes being announced from the AfriNIC address blocks: 11232
Unique aggregates announced from the AfriNIC address blocks: 3741
AfriNIC Region origin ASes present in the Internet Routing Table: 611
AfriNIC Prefixes per ASN: 18.38
AfriNIC Region origin ASes announcing only one prefix: 183
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.8
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: 45651712
Equivalent to 2 /8s, 184 /16s and 151 /24s
Percentage of available AfriNIC address space announced: 45.4
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 2925 11558 922 Korea Telecom (KIX)
17974 2504 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1833 301 89 TPG Internet Pty Ltd
4755 1700 390 189 TATA Communications formerly
9829 1455 1158 43 BSNL National Internet Backbo
9583 1285 98 534 Sify Limited
7552 1162 1070 12 Vietel Corporation
4808 1116 2054 321 CNCGROUP IP network: China169
9498 1066 310 75 BHARTI Airtel Ltd.
24560 1058 385 161 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 3047 3695 94 bellsouth.net, inc.
7029 2132 1266 215 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1989 2929 124 Cox Communications, Inc.
1785 1958 677 123 PaeTec Communications, Inc.
20115 1682 1612 622 Charter Communications
4323 1614 1139 402 Time Warner Telecom
30036 1346 292 682 Mediacom Communications Corp
7018 1307 10809 853 AT&T WorldNet Services
11492 1209 222 328 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 1908 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1091 232 205 BILISIM TELEKOM
13188 839 99 36 Educational Network
12479 838 784 69 Uni2 Autonomous System
20940 770 264 610 Akamai Technologies European
31148 768 40 18 FreeNet ISP
6830 714 2314 435 UPC Distribution Services
8551 712 370 43 Bezeq International
58113 662 73 384 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 2398 1330 98 NET Servicos de Comunicao S.A
10620 2346 403 228 TVCABLE BOGOTA
7303 1681 1147 207 Telecom Argentina Stet-France
8151 1349 2723 398 UniNet S.A. de C.V.
6503 1259 435 68 AVANTEL, S.A.
14754 944 128 86 Telgua S. A.
18881 819 716 18 Global Village Telecom
27947 789 87 99 Telconet S.A
3816 689 306 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 1286 80 4 MOBITEL
24863 894 274 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 3047 3695 94 bellsouth.net, inc.
4766 2925 11558 922 Korea Telecom (KIX)
17974 2504 840 86 PT TELEKOMUNIKASI INDONESIA
28573 2398 1330 98 NET Servicos de Comunicao S.A
10620 2346 403 228 TVCABLE BOGOTA
7029 2132 1266 215 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1989 2929 124 Cox Communications, Inc.
1785 1958 677 123 PaeTec Communications, Inc.
8402 1908 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 2398 2300 NET Servicos de Comunicao S.A
10620 2346 2118 TVCABLE BOGOTA
4766 2925 2003 Korea Telecom (KIX)
7029 2132 1917 Windstream Communications Inc
18566 2080 1895 Covad Communications
8402 1908 1892 Corbina telecom
22773 1989 1865 Cox Communications, Inc.
1785 1958 1835 PaeTec Communications, Inc.
7545 1833 1744 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
65119 PRIVATE 8.36.67.0/24 6352 E*Trade Group
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
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
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
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
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 /12:248
/13:482 /14:871 /15:1563 /16:12643 /17:6618 /18:10883
/19:21726 /20:31593 /21:33484 /22:45903 /23:41539 /24:233538
/25:1351 /26:1754 /27:844 /28:174 /29:65 /30:11
/31:0 /32:17
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2030 2080 Covad Communications
6389 1750 3047 bellsouth.net, inc.
8402 1631 1908 Corbina telecom
7029 1557 2132 Windstream Communications Inc
22773 1303 1989 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1230 1346 Mediacom Communications Corp
11492 1171 1209 Cable One
1785 1038 1958 PaeTec Communications, Inc.
7011 952 1200 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:722 2:794 3:3 4:13 5:700 6:3
8:506 12:1930 13:3 14:751 15:11 16:3
17:8 20:24 23:240 24:1799 27:1448 31:1169
32:44 33:2 34:5 36:27 37:1402 38:857
39:2 40:159 41:2721 42:178 44:4 46:1767
47:1 49:609 50:665 52:12 54:28 55:7
57:28 58:1090 59:567 60:296 61:1352 62:998
63:2042 64:4293 65:2180 66:4268 67:2055 68:1106
69:3272 70:870 71:523 72:1898 74:2556 75:401
76:288 77:1088 78:1028 79:564 80:1231 81:974
82:642 83:557 84:558 85:1159 86:474 87:945
88:376 89:1758 90:262 91:5426 92:602 93:1738
94:1858 95:1621 96:497 97:336 98:1036 99:41
100:29 101:307 103:2268 105:517 106:131 107:203
108:515 109:1798 110:855 111:1026 112:494 113:761
114:689 115:929 116:883 117:804 118:993 119:1268
120:376 121:707 122:1735 123:1195 124:1321 125:1313
128:541 129:221 130:321 131:644 132:334 133:143
134:254 135:62 136:222 137:241 138:343 139:169
140:197 141:312 142:531 143:377 144:484 145:88
146:522 147:358 148:705 149:356 150:157 151:436
152:410 153:196 154:31 155:377 156:248 157:346
158:266 159:715 160:336 161:425 162:372 163:204
164:579 165:454 166:391 167:573 168:1010 169:130
170:1021 171:167 172:4 173:1590 174:574 175:425
176:1174 177:1779 178:1749 179:1 180:1379 181:268
182:1198 183:345 184:661 185:290 186:2344 187:1306
188:1935 189:1444 190:6642 192:6406 193:5667 194:4518
195:3472 196:1312 197:884 198:4200 199:5252 200:6042
201:2246 202:8891 203:8735 204:4495 205:2552 206:2785
207:2794 208:4067 209:3548 210:2903 211:1560 212:2003
213:1940 214:912 215:97 216:5191 217:1574 218:602
219:330 220:1263 221:537 222:316 223:479
End of report
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