* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 03 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 455490
Prefixes after maximum aggregation: 185438
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 224850
Total ASes present in the Internet Routing Table: 44212
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 34667
Origin ASes announcing only one prefix: 16149
Transit ASes present in the Internet Routing Table: 5866
Transit-only ASes present in the Internet Routing Table: 148
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 54
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 316
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 4782
Number of 32-bit ASNs visible in the Routing Table: 3679
Prefixes from 32-bit ASNs in the Routing Table: 10508
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 233
Number of addresses announced to Internet: 2620318380
Equivalent to 156 /8s, 46 /16s and 226 /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: 94.6
Total number of prefixes smaller than registry allocations: 160279
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109334
Total APNIC prefixes after maximum aggregation: 33573
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110769
Unique aggregates announced from the APNIC address blocks: 45085
APNIC Region origin ASes present in the Internet Routing Table: 4850
APNIC Prefixes per ASN: 22.84
APNIC Region origin ASes announcing only one prefix: 1222
APNIC Region transit ASes present in the Internet Routing Table: 822
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 549
Number of APNIC addresses announced to Internet: 722417632
Equivalent to 43 /8s, 15 /16s and 55 /24s
Percentage of available APNIC address space announced: 84.4
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: 159827
Total ARIN prefixes after maximum aggregation: 80196
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160386
Unique aggregates announced from the ARIN address blocks: 73479
ARIN Region origin ASes present in the Internet Routing Table: 15717
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5987
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: 1064169792
Equivalent to 63 /8s, 109 /16s and 241 /24s
Percentage of available ARIN address space announced: 56.3
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: 116985
Total RIPE prefixes after maximum aggregation: 59851
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 120522
Unique aggregates announced from the RIPE address blocks: 77867
RIPE Region origin ASes present in the Internet Routing Table: 17215
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8175
RIPE Region transit ASes present in the Internet Routing Table: 2825
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 54
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2349
Number of RIPE addresses announced to Internet: 656520548
Equivalent to 39 /8s, 33 /16s and 181 /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: 47882
Total LACNIC prefixes after maximum aggregation: 9278
LACNIC Deaggregation factor: 5.16
Prefixes being announced from the LACNIC address blocks: 52116
Unique aggregates announced from the LACNIC address blocks: 24334
LACNIC Region origin ASes present in the Internet Routing Table: 1947
LACNIC Prefixes per ASN: 26.77
LACNIC Region origin ASes announcing only one prefix: 581
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: 756
Number of LACNIC addresses announced to Internet: 130322984
Equivalent to 7 /8s, 196 /16s and 146 /24s
Percentage of available LACNIC address space announced: 77.7
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10867
Total AfriNIC prefixes after maximum aggregation: 2499
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 11464
Unique aggregates announced from the AfriNIC address blocks: 3869
AfriNIC Region origin ASes present in the Internet Routing Table: 628
AfriNIC Prefixes per ASN: 18.25
AfriNIC Region origin ASes announcing only one prefix: 184
AfriNIC Region transit ASes present in the Internet Routing Table: 131
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46599936
Equivalent to 2 /8s, 199 /16s and 15 /24s
Percentage of available AfriNIC address space announced: 46.3
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 2959 11559 926 Korea Telecom (KIX)
17974 2519 839 86 PT TELEKOMUNIKASI INDONESIA
7545 1981 320 106 TPG Internet Pty Ltd
4755 1734 391 192 TATA Communications formerly
9829 1514 1205 40 BSNL National Internet Backbo
9583 1297 99 535 Sify Limited
7552 1152 1080 13 Vietel Corporation
4808 1138 2121 331 CNCGROUP IP network: China169
9498 1120 309 70 BHARTI Airtel Ltd.
24560 1076 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 3017 3692 77 bellsouth.net, inc.
7029 2070 1265 211 Windstream Communications Inc
18566 2065 382 184 Covad Communications
1785 1991 677 123 PaeTec Communications, Inc.
22773 1983 2929 125 Cox Communications, Inc.
20115 1672 1612 611 Charter Communications
4323 1619 1139 404 Time Warner Telecom
701 1584 11075 839 UUNET Technologies, Inc.
30036 1334 298 642 Mediacom Communications Corp
7018 1300 11058 835 AT&T WorldNet Services
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 1685 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1215 240 222 BILISIM TELEKOM
20940 884 309 692 Akamai Technologies European
13188 828 98 73 Educational Network
31148 795 40 24 FreeNet ISP
8551 774 370 43 Bezeq International
6830 771 2377 444 UPC Distribution Services
34744 684 173 59 SC GVM SISTEM 2003 SRL
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 2794 1537 113 NET Servicos de Comunicao S.A
10620 2648 416 218 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1269 2710 407 UniNet S.A. de C.V.
18881 958 780 19 Global Village Telecom
6503 926 434 65 AVANTEL, S.A.
27947 838 89 102 Telconet S.A
3816 710 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 609 103 65 Servicios Alestra S.A de C.V
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 892 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 443 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
29571 205 17 9 Ci Telecom Autonomous system
12258 193 28 67 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 3017 3692 77 bellsouth.net, inc.
4766 2959 11559 926 Korea Telecom (KIX)
28573 2794 1537 113 NET Servicos de Comunicao S.A
10620 2648 416 218 TVCABLE BOGOTA
17974 2519 839 86 PT TELEKOMUNIKASI INDONESIA
7029 2070 1265 211 Windstream Communications Inc
18566 2065 382 184 Covad Communications
1785 1991 677 123 PaeTec Communications, Inc.
22773 1983 2929 125 Cox Communications, Inc.
7545 1981 320 106 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 2794 2681 NET Servicos de Comunicao S.A
17974 2519 2433 PT TELEKOMUNIKASI INDONESIA
10620 2648 2430 TVCABLE BOGOTA
4766 2959 2033 Korea Telecom (KIX)
18566 2065 1881 Covad Communications
7545 1981 1875 TPG Internet Pty Ltd
1785 1991 1868 PaeTec Communications, Inc.
7029 2070 1859 Windstream Communications Inc
22773 1983 1858 Cox Communications, Inc.
8402 1685 1669 Corbina telecom
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 /8:16 /9:11 /10:30 /11:88 /12:248
/13:483 /14:899 /15:1595 /16:12684 /17:6663 /18:11170
/19:22205 /20:32058 /21:34295 /22:47533 /23:42439 /24:239101
/25:1315 /26:1667 /27:857 /28:41 /29:58 /30:17
/31:0 /32:17
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
6389 1732 3017 bellsouth.net, inc.
7029 1581 2070 Windstream Communications Inc
8402 1378 1685 Corbina telecom
22773 1290 1983 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1203 1334 Mediacom Communications Corp
11492 1180 1219 Cable One
1785 1062 1991 PaeTec Communications, Inc.
6983 1010 1137 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:821 2:780 3:3 4:15 5:766 6:10
8:557 12:1924 13:3 14:827 15:11 16:3
17:9 20:17 23:275 24:1770 27:1478 31:1310
32:57 33:2 34:5 36:28 37:1863 38:876
39:2 40:172 41:2793 42:192 44:6 46:1914
47:2 49:635 50:717 52:12 54:33 55:10
57:26 58:1168 59:571 60:313 61:1406 62:1110
63:2036 64:4330 65:2178 66:4379 67:2059 68:1123
69:3314 70:881 71:566 72:1925 74:2565 75:413
76:298 77:1118 78:1016 79:615 80:1255 81:1002
82:624 83:570 84:532 85:1160 86:455 87:989
88:536 89:1741 90:147 91:5502 92:592 93:1667
94:1840 95:1485 96:516 97:344 98:1039 99:41
100:31 101:326 103:2654 105:519 106:149 107:208
108:514 109:1827 110:889 111:1036 112:540 113:802
114:692 115:952 116:926 117:798 118:1084 119:1301
120:405 121:726 122:1797 123:1212 124:1357 125:1356
128:642 129:221 130:326 131:657 132:338 133:148
134:262 135:67 136:222 137:263 138:344 139:196
140:208 141:327 142:541 143:375 144:497 145:93
146:503 147:392 148:679 149:368 150:159 151:566
152:416 153:193 154:41 155:408 156:266 157:397
158:278 159:728 160:337 161:432 162:447 163:221
164:599 165:446 166:289 167:592 168:1028 169:129
170:1052 171:181 172:21 173:1660 174:605 175:480
176:1115 177:2001 178:1862 179:22 180:1452 181:425
182:1210 183:389 184:671 185:489 186:2271 187:1281
188:2146 189:1323 190:6397 192:6651 193:5866 194:4591
195:3424 196:1361 197:907 198:4475 199:5323 200:5941
201:2263 202:8844 203:8876 204:4507 205:2561 206:2812
207:2886 208:4046 209:3647 210:2975 211:1510 212:2199
213:1919 214:922 215:98 216:5229 217:1590 218:618
219:332 220:1260 221:558 222:321 223:449
End of report
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