* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Sun 07 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 449205
Prefixes after maximum aggregation: 184056
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 221692
Total ASes present in the Internet Routing Table: 43740
Prefixes per ASN: 10.27
Origin-only ASes present in the Internet Routing Table: 34418
Origin ASes announcing only one prefix: 16062
Transit ASes present in the Internet Routing Table: 5784
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 367
Unregistered ASNs in the Routing Table: 136
Number of 32-bit ASNs allocated by the RIRs: 4692
Number of 32-bit ASNs visible in the Routing Table: 3538
Prefixes from 32-bit ASNs in the Routing Table: 10344
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 214
Number of addresses announced to Internet: 2628165740
Equivalent to 156 /8s, 166 /16s and 160 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
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: 158776
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107983
Total APNIC prefixes after maximum aggregation: 33301
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109198
Unique aggregates announced from the APNIC address blocks: 44397
APNIC Region origin ASes present in the Internet Routing Table: 4821
APNIC Prefixes per ASN: 22.65
APNIC Region origin ASes announcing only one prefix: 1224
APNIC Region transit ASes present in the Internet Routing Table: 819
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 486
Number of APNIC addresses announced to Internet: 720516576
Equivalent to 42 /8s, 242 /16s and 53 /24s
Percentage of available APNIC address space announced: 84.2
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: 157405
Total ARIN prefixes after maximum aggregation: 79484
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158110
Unique aggregates announced from the ARIN address blocks: 72350
ARIN Region origin ASes present in the Internet Routing Table: 15598
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5931
ARIN Region transit ASes present in the Internet Routing Table: 1607
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: 1078699136
Equivalent to 64 /8s, 75 /16s and 164 /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: 115626
Total RIPE prefixes after maximum aggregation: 59330
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 119353
Unique aggregates announced from the RIPE address blocks: 76907
RIPE Region origin ASes present in the Internet Routing Table: 17123
RIPE Prefixes per ASN: 6.97
RIPE Region origin ASes announcing only one prefix: 8159
RIPE Region transit ASes present in the Internet Routing Table: 2796
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: 2273
Number of RIPE addresses announced to Internet: 656131044
Equivalent to 39 /8s, 27 /16s and 195 /24s
Percentage of available RIPE address space announced: 95.4
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: 47639
Total LACNIC prefixes after maximum aggregation: 9408
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 51642
Unique aggregates announced from the LACNIC address blocks: 24021
LACNIC Region origin ASes present in the Internet Routing Table: 1886
LACNIC Prefixes per ASN: 27.38
LACNIC Region origin ASes announcing only one prefix: 562
LACNIC Region transit ASes present in the Internet Routing Table: 349
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 754
Number of LACNIC addresses announced to Internet: 126217256
Equivalent to 7 /8s, 133 /16s and 236 /24s
Percentage of available LACNIC address space announced: 75.2
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: 10076
Total AfriNIC prefixes after maximum aggregation: 2485
AfriNIC Deaggregation factor: 4.05
Prefixes being announced from the AfriNIC address blocks: 10688
Unique aggregates announced from the AfriNIC address blocks: 3818
AfriNIC Region origin ASes present in the Internet Routing Table: 608
AfriNIC Prefixes per ASN: 17.58
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 46226432
Equivalent to 2 /8s, 193 /16s and 92 /24s
Percentage of available AfriNIC address space announced: 45.9
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 2955 11558 923 Korea Telecom (KIX)
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1863 302 95 TPG Internet Pty Ltd
4755 1731 392 198 TATA Communications formerly
9829 1511 1205 40 BSNL National Internet Backbo
9583 1282 98 535 Sify Limited
7552 1139 1066 12 Vietel Corporation
4808 1123 2109 326 CNCGROUP IP network: China169
9498 1066 310 73 BHARTI Airtel Ltd.
24560 1060 385 164 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 3694 88 bellsouth.net, inc.
7029 2152 1266 213 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2009 2929 125 Cox Communications, Inc.
1785 1973 677 123 PaeTec Communications, Inc.
20115 1668 1610 610 Charter Communications
4323 1606 1138 397 Time Warner Telecom
30036 1339 296 658 Mediacom Communications Corp
7018 1315 10807 856 AT&T WorldNet Services
11492 1216 223 331 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 1824 544 16 Corbina telecom
34984 1132 234 207 BILISIM TELEKOM
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
12479 844 786 66 Uni2 Autonomous System
13188 836 99 39 Educational Network
20940 813 283 646 Akamai Technologies European
31148 790 41 20 FreeNet ISP
8551 745 370 43 Bezeq International
6830 734 2314 435 UPC Distribution Services
58113 666 74 386 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 2537 1418 94 NET Servicos de Comunicao S.A
10620 2352 407 235 TVCABLE BOGOTA
7303 1673 1152 210 Telecom Argentina Stet-France
8151 1221 2666 399 UniNet S.A. de C.V.
6503 1184 435 68 AVANTEL, S.A.
14754 951 131 89 Telgua S. A.
18881 850 716 18 Global Village Telecom
27947 801 87 95 Telconet S.A
11830 725 364 14 Instituto Costarricense de El
3816 693 306 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 1137 80 4 MOBITEL
24863 677 274 33 LINKdotNET AS number
6713 541 617 25 Itissalat Al-MAGHRIB
8452 357 958 13 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 187 698 88 MTN Network Solutions
33776 182 12 19 Starcomms Nigeria Limited
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 3694 88 bellsouth.net, inc.
4766 2955 11558 923 Korea Telecom (KIX)
28573 2537 1418 94 NET Servicos de Comunicao S.A
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
10620 2352 407 235 TVCABLE BOGOTA
7029 2152 1266 213 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2009 2929 125 Cox Communications, Inc.
1785 1973 677 123 PaeTec Communications, Inc.
7545 1863 302 95 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2537 2443 NET Servicos de Comunicao S.A
17974 2510 2424 PT TELEKOMUNIKASI INDONESIA
10620 2352 2117 TVCABLE BOGOTA
4766 2955 2032 Korea Telecom (KIX)
7029 2152 1939 Windstream Communications Inc
18566 2068 1884 Covad Communications
22773 2009 1884 Cox Communications, Inc.
1785 1973 1850 PaeTec Communications, Inc.
8402 1824 1808 Corbina telecom
7545 1863 1768 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
128.0.55.0/24 48571 SC efectRO SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
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
62.61.220.0/24 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.
64.185.230.0/24 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
/13:485 /14:875 /15:1557 /16:12682 /17:6614 /18:10905
/19:21804 /20:31916 /21:33698 /22:46491 /23:41707 /24:235889
/25:1399 /26:1781 /27:862 /28:43 /29:65 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2019 2068 Covad Communications
6389 1742 3038 bellsouth.net, inc.
7029 1598 2152 Windstream Communications Inc
8402 1520 1824 Corbina telecom
22773 1314 2009 Cox Communications, Inc.
30036 1216 1339 Mediacom Communications Corp
11492 1178 1216 Cable One
36998 1131 1137 MOBITEL
1785 1045 1973 PaeTec Communications, Inc.
6983 929 1043 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:752 2:779 3:3 4:13 5:841 6:4
8:521 12:1919 13:3 14:770 15:11 16:3
17:9 20:19 23:255 24:1773 27:1437 31:1192
32:42 33:2 34:5 36:41 37:1674 38:860
39:2 40:164 41:2703 42:184 44:6 46:1775
47:2 49:615 50:679 52:12 54:29 55:8
57:27 58:1105 59:586 60:304 61:1443 62:991
63:2037 64:4282 65:2162 66:4281 67:2060 68:1116
69:3247 70:873 71:526 72:1877 74:2553 75:406
76:287 77:1087 78:1032 79:584 80:1247 81:977
82:616 83:573 84:569 85:1160 86:467 87:962
88:526 89:1791 90:281 91:5451 92:616 93:1707
94:1874 95:1535 96:503 97:340 98:1048 99:41
100:29 101:309 103:2386 105:488 106:126 107:207
108:512 109:1812 110:875 111:1044 112:499 113:768
114:688 115:1014 116:877 117:795 118:1009 119:1266
120:382 121:816 122:1732 123:1191 124:1334 125:1317
128:634 129:224 130:331 131:654 132:340 133:148
134:258 135:62 136:221 137:241 138:344 139:185
140:199 141:316 142:542 143:366 144:484 145:91
146:509 147:378 148:694 149:364 150:159 151:558
152:415 153:194 154:44 155:383 156:260 157:391
158:270 159:713 160:335 161:424 162:373 163:202
164:578 165:451 166:331 167:578 168:1018 169:133
170:1011 171:174 172:4 173:1591 174:585 175:442
176:1158 177:1884 178:2031 179:2 180:1384 181:303
182:1123 183:379 184:661 185:339 186:2393 187:1254
188:1986 189:1410 190:6670 192:6486 193:5655 194:4519
195:3467 196:1324 197:774 198:4316 199:5279 200:6025
201:2377 202:8864 203:8788 204:4505 205:2548 206:2795
207:2825 208:4056 209:3547 210:2922 211:1565 212:2017
213:1937 214:934 215:99 216:5194 217:1570 218:607
219:348 220:1271 221:544 222:319 223:500
End of report
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