* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 19 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 456220
Prefixes after maximum aggregation: 185863
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 226255
Total ASes present in the Internet Routing Table: 44323
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 34735
Origin ASes announcing only one prefix: 16158
Transit ASes present in the Internet Routing Table: 5862
Transit-only ASes present in the Internet Routing Table: 145
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1160
Unregistered ASNs in the Routing Table: 506
Number of 32-bit ASNs allocated by the RIRs: 4796
Number of 32-bit ASNs visible in the Routing Table: 3726
Prefixes from 32-bit ASNs in the Routing Table: 10857
Special use prefixes present in the Routing Table: 25
Prefixes being announced from unallocated address space: 227
Number of addresses announced to Internet: 2642014348
Equivalent to 157 /8s, 121 /16s and 240 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.6
Total number of prefixes smaller than registry allocations: 160222
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109607
Total APNIC prefixes after maximum aggregation: 33542
APNIC Deaggregation factor: 3.27
Prefixes being announced from the APNIC address blocks: 111150
Unique aggregates announced from the APNIC address blocks: 45303
APNIC Region origin ASes present in the Internet Routing Table: 4853
APNIC Prefixes per ASN: 22.90
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 820
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 579
Number of APNIC addresses announced to Internet: 725218528
Equivalent to 43 /8s, 57 /16s and 244 /24s
Percentage of available APNIC address space announced: 84.8
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: 159039
Total ARIN prefixes after maximum aggregation: 80375
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159680
Unique aggregates announced from the ARIN address blocks: 73905
ARIN Region origin ASes present in the Internet Routing Table: 15737
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5991
ARIN Region transit ASes present in the Internet Routing Table: 1639
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: 19
Number of ARIN addresses announced to Internet: 1081658944
Equivalent to 64 /8s, 120 /16s and 206 /24s
Percentage of available ARIN address space announced: 57.2
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, 62464-63487, 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: 117233
Total RIPE prefixes after maximum aggregation: 60059
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 120781
Unique aggregates announced from the RIPE address blocks: 78054
RIPE Region origin ASes present in the Internet Routing Table: 17235
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8177
RIPE Region transit ASes present in the Internet Routing Table: 2831
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: 2359
Number of RIPE addresses announced to Internet: 656442212
Equivalent to 39 /8s, 32 /16s and 131 /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: 48512
Total LACNIC prefixes after maximum aggregation: 9323
LACNIC Deaggregation factor: 5.20
Prefixes being announced from the LACNIC address blocks: 52922
Unique aggregates announced from the LACNIC address blocks: 24835
LACNIC Region origin ASes present in the Internet Routing Table: 1960
LACNIC Prefixes per ASN: 27.00
LACNIC Region origin ASes announcing only one prefix: 579
LACNIC Region transit ASes present in the Internet Routing Table: 362
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 763
Number of LACNIC addresses announced to Internet: 132075528
Equivalent to 7 /8s, 223 /16s and 80 /24s
Percentage of available LACNIC address space announced: 78.7
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 10877
Total AfriNIC prefixes after maximum aggregation: 2523
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 11460
Unique aggregates announced from the AfriNIC address blocks: 3948
AfriNIC Region origin ASes present in the Internet Routing Table: 639
AfriNIC Prefixes per ASN: 17.93
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 6
Number of AfriNIC addresses announced to Internet: 46305280
Equivalent to 2 /8s, 194 /16s and 144 /24s
Percentage of available AfriNIC address space announced: 46.0
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 11561 922 Korea Telecom (KIX)
17974 2547 855 91 PT TELEKOMUNIKASI INDONESIA
7545 2002 320 108 TPG Internet Pty Ltd
4755 1744 391 191 TATA Communications formerly
9829 1509 1205 40 BSNL National Internet Backbo
9583 1218 91 503 Sify Limited
7552 1154 1080 13 Vietel Corporation
4808 1144 2124 334 CNCGROUP IP network: China169
9498 1131 309 71 BHARTI Airtel Ltd.
24560 1077 394 164 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 3005 3691 75 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 1993 678 125 PaeTec Communications, Inc.
22773 1984 2927 122 Cox Communications, Inc.
20115 1665 1618 615 Charter Communications
4323 1624 1138 404 Time Warner Telecom
701 1533 11143 800 UUNET Technologies, Inc.
30036 1335 301 644 Mediacom Communications Corp
7018 1301 11039 833 AT&T WorldNet Services
11492 1221 217 347 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 1712 544 16 Corbina telecom
34984 1278 244 222 BILISIM TELEKOM
2118 1069 97 13 EUnet/RELCOM Autonomous Syste
20940 900 315 703 Akamai Technologies European
13188 825 98 79 Educational Network
31148 806 41 27 FreeNet ISP
8551 773 370 44 Bezeq International
6830 765 2376 439 UPC Distribution Services
12479 677 786 59 Uni2 Autonomous System
34744 676 173 59 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 2819 1558 107 NET Servicos de Comunicao S.A
10620 2661 418 209 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1279 2720 398 UniNet S.A. de C.V.
18881 996 844 20 Global Village Telecom
6503 864 434 64 AVANTEL, S.A.
27947 842 89 106 Telconet S.A
3816 715 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
6147 665 374 25 Telefonica Del Peru
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 1237 80 4 MOBITEL
24863 883 274 31 LINKdotNET AS number
6713 537 617 25 Itissalat Al-MAGHRIB
8452 467 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 922 219 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
29571 207 17 12 Ci Telecom Autonomous system
12258 192 28 66 Vodacom Internet Company
29975 191 667 21 Vodacom
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 3005 3691 75 bellsouth.net, inc.
4766 2949 11561 922 Korea Telecom (KIX)
28573 2819 1558 107 NET Servicos de Comunicao S.A
10620 2661 418 209 TVCABLE BOGOTA
17974 2547 855 91 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 2002 320 108 TPG Internet Pty Ltd
1785 1993 678 125 PaeTec Communications, Inc.
22773 1984 2927 122 Cox Communications, Inc.
4755 1744 391 191 TATA Communications formerly
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 2819 2712 NET Servicos de Comunicao S.A
17974 2547 2456 PT TELEKOMUNIKASI INDONESIA
10620 2661 2452 TVCABLE BOGOTA
4766 2949 2027 Korea Telecom (KIX)
7545 2002 1894 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 1993 1868 PaeTec Communications, Inc.
22773 1984 1862 Cox Communications, Inc.
8402 1712 1696 Corbina telecom
4755 1744 1553 TATA Communications formerly
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
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
128.0.55.0/24 48571 SC efectRO SRL
128.0.57.0/24 60993 Totalsoft SA
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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.
64.185.231.0/24 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 /9:11 /10:30 /11:91 /12:250
/13:483 /14:900 /15:1602 /16:12704 /17:6647 /18:11168
/19:22148 /20:32064 /21:34387 /22:47606 /23:42217 /24:239910
/25:1317 /26:1667 /27:854 /28:46 /29:65 /30:19
/31:0 /32:17
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
6389 1724 3005 bellsouth.net, inc.
8402 1409 1712 Corbina telecom
22773 1292 1984 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1202 1335 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1062 1993 PaeTec Communications, Inc.
6983 1011 1140 ITC^Deltacom
10620 991 2661 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:832 2:841 3:3 4:19 5:793 6:14
8:557 12:1927 13:3 14:835 15:11 16:2
17:10 20:17 23:371 24:1768 27:1476 31:1325
32:43 33:2 34:5 36:40 37:1869 38:876
39:2 40:170 41:2767 42:195 44:8 46:1933
47:2 49:655 50:736 52:12 54:35 55:7
57:27 58:1161 59:575 60:315 61:1400 62:1128
63:2025 64:4317 65:2157 66:4176 67:2082 68:1081
69:3256 70:852 71:488 72:1917 74:2473 75:322
76:303 77:1124 78:1051 79:612 80:1269 81:1009
82:615 83:581 84:541 85:1158 86:429 87:991
88:536 89:1746 90:147 91:5522 92:601 93:1733
94:1863 95:1660 96:515 97:346 98:1012 99:42
100:30 101:329 103:2805 105:517 106:146 107:208
108:513 109:1839 110:905 111:1042 112:545 113:812
114:711 115:964 116:962 117:800 118:1099 119:1308
120:382 121:734 122:1800 123:1219 124:1376 125:1375
128:639 129:222 130:311 131:666 132:360 133:155
134:255 135:67 136:216 137:242 138:359 139:191
140:210 141:332 142:533 143:385 144:501 145:93
146:505 147:387 148:684 149:346 150:157 151:524
152:416 153:189 154:23 155:410 156:268 157:397
158:279 159:732 160:346 161:447 162:438 163:221
164:602 165:496 166:241 167:595 168:1030 169:130
170:1050 171:182 172:21 173:1583 174:528 175:469
176:992 177:2078 178:1869 179:37 180:1459 181:465
182:1216 183:386 184:693 185:554 186:2290 187:1295
188:2147 189:1258 190:6834 192:6747 193:5677 194:4604
195:3430 196:1358 197:931 198:4492 199:5335 200:5996
201:2231 202:8818 203:8909 204:4520 205:2579 206:2794
207:2847 208:4061 209:3681 210:2960 211:1514 212:2180
213:1973 214:928 215:99 216:5300 217:1620 218:619
219:337 220:1282 221:557 222:326 223:459
End of report
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