* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 15 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 442832
Prefixes after maximum aggregation: 182203
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 217375
Total ASes present in the Internet Routing Table: 43295
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 34169
Origin ASes announcing only one prefix: 15934
Transit ASes present in the Internet Routing Table: 5745
Transit-only ASes present in the Internet Routing Table: 146
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: 381
Unregistered ASNs in the Routing Table: 138
Number of 32-bit ASNs allocated by the RIRs: 3754
Number of 32-bit ASNs visible in the Routing Table: 3381
Prefixes from 32-bit ASNs in the Routing Table: 9283
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 188
Number of addresses announced to Internet: 2616449508
Equivalent to 155 /8s, 243 /16s and 217 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
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: 156273
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106415
Total APNIC prefixes after maximum aggregation: 33089
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 107489
Unique aggregates announced from the APNIC address blocks: 43923
APNIC Region origin ASes present in the Internet Routing Table: 4814
APNIC Prefixes per ASN: 22.33
APNIC Region origin ASes announcing only one prefix: 1233
APNIC Region transit ASes present in the Internet Routing Table: 805
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 428
Number of APNIC addresses announced to Internet: 718765568
Equivalent to 42 /8s, 215 /16s and 126 /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: 155592
Total ARIN prefixes after maximum aggregation: 78767
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156272
Unique aggregates announced from the ARIN address blocks: 71031
ARIN Region origin ASes present in the Internet Routing Table: 15463
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5851
ARIN Region transit ASes present in the Internet Routing Table: 1598
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: 1076205184
Equivalent to 64 /8s, 37 /16s and 150 /24s
Percentage of available ARIN address space announced: 56.9
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: 113989
Total RIPE prefixes after maximum aggregation: 58753
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117138
Unique aggregates announced from the RIPE address blocks: 74984
RIPE Region origin ASes present in the Internet Routing Table: 17054
RIPE Prefixes per ASN: 6.87
RIPE Region origin ASes announcing only one prefix: 8145
RIPE Region transit ASes present in the Internet Routing Table: 2778
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: 2187
Number of RIPE addresses announced to Internet: 653437028
Equivalent to 38 /8s, 242 /16s and 168 /24s
Percentage of available RIPE address space announced: 95.0
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: 46966
Total LACNIC prefixes after maximum aggregation: 9119
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 50677
Unique aggregates announced from the LACNIC address blocks: 23564
LACNIC Region origin ASes present in the Internet Routing Table: 1810
LACNIC Prefixes per ASN: 28.00
LACNIC Region origin ASes announcing only one prefix: 525
LACNIC Region transit ASes present in the Internet Routing Table: 338
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: 741
Number of LACNIC addresses announced to Internet: 123003392
Equivalent to 7 /8s, 84 /16s and 226 /24s
Percentage of available LACNIC address space announced: 73.3
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: 10453
Total AfriNIC prefixes after maximum aggregation: 2423
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 11068
Unique aggregates announced from the AfriNIC address blocks: 3704
AfriNIC Region origin ASes present in the Internet Routing Table: 597
AfriNIC Prefixes per ASN: 18.54
AfriNIC Region origin ASes announcing only one prefix: 180
AfriNIC Region transit ASes present in the Internet Routing Table: 131
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: 44679936
Equivalent to 2 /8s, 169 /16s and 195 /24s
Percentage of available AfriNIC address space announced: 44.4
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 2940 11558 924 Korea Telecom (KIX)
17974 2487 824 85 PT TELEKOMUNIKASI INDONESIA
7545 1824 301 88 TPG Internet Pty Ltd
4755 1684 382 190 TATA Communications formerly
9829 1429 1144 44 BSNL National Internet Backbo
9583 1202 89 504 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1109 2040 316 CNCGROUP IP network: China169
9498 1061 310 75 BHARTI Airtel Ltd.
24560 1044 385 160 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 3066 3696 102 bellsouth.net, inc.
7029 2170 1265 211 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1987 2931 128 Cox Communications, Inc.
1785 1955 677 127 PaeTec Communications, Inc.
20115 1692 1610 616 Charter Communications
4323 1603 1155 397 Time Warner Telecom
30036 1344 287 686 Mediacom Communications Corp
7018 1301 10552 857 AT&T WorldNet Services
7011 1201 316 683 Citizens Utilities
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 1857 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 1054 232 203 BILISIM TELEKOM
13188 851 99 22 Educational Network
12479 848 784 68 Uni2 Autonomous System
31148 758 39 18 FreeNet ISP
20940 750 255 592 Akamai Technologies European
6830 712 2313 433 UPC Distribution Services
8551 711 367 39 Bezeq International
34744 670 185 43 SC GVM SISTEM 2003 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 2377 1327 87 NET Servicos de Comunicao S.A
10620 2319 397 223 TVCABLE BOGOTA
7303 1679 1147 206 Telecom Argentina Stet-France
8151 1504 2816 395 UniNet S.A. de C.V.
6503 1446 435 67 AVANTEL, S.A.
14754 939 120 78 Telgua S. A.
27947 777 86 99 Telconet S.A
18881 765 716 18 Global Village Telecom
3816 684 306 85 Empresa Nacional de Telecomun
7738 613 1242 34 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 898 275 36 LINKdotNET AS number
8452 541 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 329 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 189 696 90 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 3066 3696 102 bellsouth.net, inc.
4766 2940 11558 924 Korea Telecom (KIX)
17974 2487 824 85 PT TELEKOMUNIKASI INDONESIA
28573 2377 1327 87 NET Servicos de Comunicao S.A
10620 2319 397 223 TVCABLE BOGOTA
7029 2170 1265 211 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1987 2931 128 Cox Communications, Inc.
1785 1955 677 127 PaeTec Communications, Inc.
8402 1857 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 2487 2402 PT TELEKOMUNIKASI INDONESIA
28573 2377 2290 NET Servicos de Comunicao S.A
10620 2319 2096 TVCABLE BOGOTA
4766 2940 2016 Korea Telecom (KIX)
7029 2170 1959 Windstream Communications Inc
18566 2080 1895 Covad Communications
22773 1987 1859 Cox Communications, Inc.
8402 1857 1841 Corbina telecom
1785 1955 1828 PaeTec Communications, Inc.
7545 1824 1736 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
128.0.60.0/23 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
41.138.95.0/24 36930 ZanZibar Telecom
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.
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 /12:246
/13:483 /14:865 /15:1553 /16:12565 /17:6585 /18:10998
/19:21739 /20:31235 /21:33322 /22:45444 /23:41091 /24:232335
/25:1369 /26:1738 /27:846 /28:176 /29:67 /30:10
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2030 2080 Covad Communications
6389 1758 3066 bellsouth.net, inc.
8402 1585 1857 Corbina telecom
7029 1553 2170 Windstream Communications Inc
22773 1303 1987 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1235 1344 Mediacom Communications Corp
11492 1159 1196 Cable One
1785 1034 1955 PaeTec Communications, Inc.
6503 965 1446 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:671 2:746 3:3 4:13 5:757 6:3
8:495 12:1934 13:3 14:742 15:11 16:3
17:8 20:24 23:238 24:1800 27:1469 31:1129
32:54 33:2 34:5 36:11 37:1305 38:847
39:2 40:141 41:2712 42:179 44:4 46:1742
47:1 49:579 50:654 52:12 54:28 55:9
57:28 58:1080 59:561 60:251 61:1321 62:1028
63:2029 64:4302 65:2145 66:4271 67:2033 68:1125
69:3262 70:858 71:525 72:1875 74:2536 75:421
76:289 77:1074 78:1040 79:556 80:1215 81:970
82:622 83:538 84:557 85:1154 86:476 87:980
88:382 89:1746 90:287 91:5408 92:624 93:1692
94:2055 95:1598 96:506 97:336 98:1036 99:52
100:30 101:314 103:2117 105:517 106:131 107:206
108:511 109:1756 110:856 111:1013 112:486 113:737
114:684 115:920 116:878 117:796 118:983 119:1270
120:377 121:700 122:1736 123:1183 124:1320 125:1310
128:543 129:201 130:316 131:639 132:327 133:143
134:259 135:62 136:222 137:236 138:341 139:159
140:216 141:316 142:519 143:372 144:479 145:88
146:525 147:328 148:719 149:349 150:158 151:400
152:400 153:190 154:28 155:368 156:242 157:344
158:260 159:712 160:329 161:416 162:370 163:203
164:581 165:449 166:437 167:572 168:1005 169:131
170:1019 171:164 172:4 173:1545 174:588 175:417
176:1157 177:1685 178:1740 180:1383 181:229 182:1152
183:317 184:634 185:237 186:2267 187:1440 188:1913
189:1539 190:6654 192:6317 193:5655 194:4637 195:3674
196:1278 197:881 198:4149 199:5220 200:6028 201:2145
202:8909 203:8753 204:4480 205:2539 206:2805 207:2812
208:4062 209:3473 210:2920 211:1564 212:1939 213:1890
214:904 215:93 216:5091 217:1585 218:592 219:328
220:1263 221:550 222:329 223:421
End of report
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