* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 17 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 459158
Prefixes after maximum aggregation: 186593
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228014
Total ASes present in the Internet Routing Table: 44510
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 34843
Origin ASes announcing only one prefix: 16188
Transit ASes present in the Internet Routing Table: 5888
Transit-only ASes present in the Internet Routing Table: 148
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: 2910
Unregistered ASNs in the Routing Table: 1229
Number of 32-bit ASNs allocated by the RIRs: 4878
Number of 32-bit ASNs visible in the Routing Table: 3779
Prefixes from 32-bit ASNs in the Routing Table: 11352
Special use prefixes present in the Routing Table: 27
Prefixes being announced from unallocated address space: 274
Number of addresses announced to Internet: 2630122796
Equivalent to 156 /8s, 196 /16s and 125 /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: 94.7
Total number of prefixes smaller than registry allocations: 160439
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110330
Total APNIC prefixes after maximum aggregation: 33814
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112283
Unique aggregates announced from the APNIC address blocks: 46160
APNIC Region origin ASes present in the Internet Routing Table: 4853
APNIC Prefixes per ASN: 23.14
APNIC Region origin ASes announcing only one prefix: 1216
APNIC Region transit ASes present in the Internet Routing Table: 827
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: 603
Number of APNIC addresses announced to Internet: 726094816
Equivalent to 43 /8s, 71 /16s and 83 /24s
Percentage of available APNIC address space announced: 84.9
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: 159084
Total ARIN prefixes after maximum aggregation: 80618
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 159689
Unique aggregates announced from the ARIN address blocks: 74045
ARIN Region origin ASes present in the Internet Routing Table: 15780
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5998
ARIN Region transit ASes present in the Internet Routing Table: 1649
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: 1067782208
Equivalent to 63 /8s, 165 /16s and 16 /24s
Percentage of available ARIN address space announced: 56.5
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: 118482
Total RIPE prefixes after maximum aggregation: 60229
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 121935
Unique aggregates announced from the RIPE address blocks: 78544
RIPE Region origin ASes present in the Internet Routing Table: 17301
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8207
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: 2375
Number of RIPE addresses announced to Internet: 656168804
Equivalent to 39 /8s, 28 /16s and 87 /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: 48979
Total LACNIC prefixes after maximum aggregation: 9374
LACNIC Deaggregation factor: 5.22
Prefixes being announced from the LACNIC address blocks: 53508
Unique aggregates announced from the LACNIC address blocks: 25039
LACNIC Region origin ASes present in the Internet Routing Table: 1976
LACNIC Prefixes per ASN: 27.08
LACNIC Region origin ASes announcing only one prefix: 577
LACNIC Region transit ASes present in the Internet Routing Table: 361
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 776
Number of LACNIC addresses announced to Internet: 133413032
Equivalent to 7 /8s, 243 /16s and 184 /24s
Percentage of available LACNIC address space announced: 79.5
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: 10842
Total AfriNIC prefixes after maximum aggregation: 2518
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 11469
Unique aggregates announced from the AfriNIC address blocks: 3970
AfriNIC Region origin ASes present in the Internet Routing Table: 646
AfriNIC Prefixes per ASN: 17.75
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 134
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: 46287104
Equivalent to 2 /8s, 194 /16s and 73 /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 2927 11560 919 Korea Telecom (KIX)
17974 2582 855 92 PT TELEKOMUNIKASI INDONESIA
7545 2027 320 109 TPG Internet Pty Ltd
4755 1757 391 192 TATA Communications formerly
9829 1535 1220 44 BSNL National Internet Backbo
9583 1463 118 564 Sify Limited
4808 1174 2153 337 CNCGROUP IP network: China169
9498 1162 309 71 BHARTI Airtel Ltd.
7552 1159 1080 13 Vietel Corporation
24560 1085 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 2988 3691 69 bellsouth.net, inc.
18566 2066 382 184 Covad Communications
1785 1999 678 126 PaeTec Communications, Inc.
22773 1992 2927 123 Cox Communications, Inc.
20115 1664 1619 614 Charter Communications
4323 1616 1134 405 Time Warner Telecom
701 1530 11127 797 UUNET Technologies, Inc.
30036 1352 304 654 Mediacom Communications Corp
7018 1300 11035 822 AT&T WorldNet Services
11492 1224 218 360 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 1645 544 16 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
34984 1296 244 222 BILISIM TELEKOM
20940 919 318 723 Akamai Technologies European
13188 837 98 81 Educational Network
31148 801 40 25 FreeNet ISP
6830 786 2376 441 UPC Distribution Services
8551 782 370 45 Bezeq International
12479 681 789 57 Uni2 Autonomous System
34744 645 160 83 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 2936 1586 110 NET Servicos de Comunicao S.A
10620 2697 423 192 TVCABLE BOGOTA
7303 1732 1155 222 Telecom Argentina Stet-France
8151 1269 2751 383 UniNet S.A. de C.V.
18881 1202 844 20 Global Village Telecom
27947 826 94 91 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
3816 715 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 619 88 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 1172 80 4 MOBITEL
24863 882 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 444 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 220 32 6 Sudatel Internet Exchange Aut
36992 205 527 22 Etisalat MISR
29571 197 17 12 Ci Telecom Autonomous system
12258 194 28 67 Vodacom Internet Company
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 2988 3691 69 bellsouth.net, inc.
28573 2936 1586 110 NET Servicos de Comunicao S.A
4766 2927 11560 919 Korea Telecom (KIX)
10620 2697 423 192 TVCABLE BOGOTA
17974 2582 855 92 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
7545 2027 320 109 TPG Internet Pty Ltd
1785 1999 678 126 PaeTec Communications, Inc.
22773 1992 2927 123 Cox Communications, Inc.
4755 1757 391 192 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 2936 2826 NET Servicos de Comunicao S.A
10620 2697 2505 TVCABLE BOGOTA
17974 2582 2490 PT TELEKOMUNIKASI INDONESIA
4766 2927 2008 Korea Telecom (KIX)
7545 2027 1918 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
1785 1999 1873 PaeTec Communications, Inc.
22773 1992 1869 Cox Communications, Inc.
8402 1645 1629 Corbina telecom
4755 1757 1565 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
59628 UNALLOCATED 5.200.128.0/17 48159 Telecommunication In
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
128.0.42.0/24 60619 >>UNKNOWN<<
128.0.43.0/24 60619 >>UNKNOWN<<
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
128.0.56.0/24 60996 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.200.128.0/17 59628 >>UNKNOWN<<
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 /8:16 /9:11 /10:30 /11:92 /12:251
/13:482 /14:904 /15:1602 /16:12713 /17:6641 /18:11040
/19:22480 /20:32097 /21:34558 /22:48371 /23:42408 /24:241527
/25:1297 /26:1638 /27:853 /28:41 /29:69 /30:19
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
6389 1716 2988 bellsouth.net, inc.
8402 1338 1645 Corbina telecom
22773 1295 1992 Cox Communications, Inc.
30036 1219 1352 Mediacom Communications Corp
11492 1185 1224 Cable One
36998 1140 1172 MOBITEL
1785 1068 1999 PaeTec Communications, Inc.
6983 1021 1150 ITC^Deltacom
10620 1001 2697 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:841 2:736 3:3 4:19 5:827 6:16
8:569 12:1915 13:3 14:864 15:11 16:3
17:10 20:17 23:295 24:1776 27:1490 31:1323
32:45 33:2 34:5 36:59 37:1855 38:884
39:2 40:173 41:2746 42:231 44:8 46:1955
47:2 49:666 50:775 52:12 54:34 55:8
57:26 58:1159 59:584 60:328 61:1418 62:1129
63:2012 64:4339 65:2155 66:4176 67:2013 68:1074
69:3289 70:796 71:491 72:1910 74:2468 75:323
76:307 77:1132 78:1007 79:617 80:1276 81:1009
82:633 83:579 84:594 85:1192 86:464 87:1019
88:544 89:1812 90:149 91:5533 92:614 93:1771
94:1932 95:1702 96:519 97:342 98:1023 99:42
100:30 101:588 103:2944 105:472 106:139 107:207
108:514 109:1858 110:925 111:1072 112:548 113:817
114:698 115:1002 116:968 117:827 118:1123 119:1311
120:388 121:736 122:1805 123:1222 124:1376 125:1394
128:642 129:223 130:310 131:655 132:360 133:155
134:269 135:68 136:256 137:243 138:340 139:192
140:190 141:311 142:545 143:396 144:505 145:96
146:527 147:399 148:667 149:352 150:149 151:552
152:416 153:189 154:28 155:415 156:265 157:394
158:280 159:741 160:345 161:448 162:485 163:225
164:582 165:502 166:247 167:595 168:1029 169:129
170:1062 171:182 172:23 173:1596 174:544 175:488
176:1170 177:2123 178:1873 179:64 180:1472 181:529
182:1262 183:420 184:667 185:645 186:2367 187:1329
188:1925 189:1261 190:6750 192:6857 193:5863 194:4680
195:3541 196:1332 197:895 198:4514 199:5350 200:6021
201:2210 202:8827 203:8887 204:4506 205:2592 206:2846
207:2853 208:4007 209:3593 210:2914 211:1520 212:2192
213:1987 214:915 215:99 216:5250 217:1614 218:621
219:320 220:1278 221:559 222:321 223:448
End of report
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