* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 23 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 459511
Prefixes after maximum aggregation: 187011
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228702
Total ASes present in the Internet Routing Table: 44571
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 34873
Origin ASes announcing only one prefix: 16182
Transit ASes present in the Internet Routing Table: 5905
Transit-only ASes present in the Internet Routing Table: 150
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: 3515
Unregistered ASNs in the Routing Table: 1404
Number of 32-bit ASNs allocated by the RIRs: 4889
Number of 32-bit ASNs visible in the Routing Table: 3793
Prefixes from 32-bit ASNs in the Routing Table: 11374
Special use prefixes present in the Routing Table: 27
Prefixes being announced from unallocated address space: 262
Number of addresses announced to Internet: 2630563500
Equivalent to 156 /8s, 203 /16s and 54 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
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: 160673
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110296
Total APNIC prefixes after maximum aggregation: 33842
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112260
Unique aggregates announced from the APNIC address blocks: 46230
APNIC Region origin ASes present in the Internet Routing Table: 4863
APNIC Prefixes per ASN: 23.08
APNIC Region origin ASes announcing only one prefix: 1219
APNIC Region transit ASes present in the Internet Routing Table: 829
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: 607
Number of APNIC addresses announced to Internet: 726164704
Equivalent to 43 /8s, 72 /16s and 100 /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: 159589
Total ARIN prefixes after maximum aggregation: 80779
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160191
Unique aggregates announced from the ARIN address blocks: 74200
ARIN Region origin ASes present in the Internet Routing Table: 15788
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5989
ARIN Region transit ASes present in the Internet Routing Table: 1646
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: 1068061504
Equivalent to 63 /8s, 169 /16s and 83 /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: 118426
Total RIPE prefixes after maximum aggregation: 60287
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121956
Unique aggregates announced from the RIPE address blocks: 78724
RIPE Region origin ASes present in the Internet Routing Table: 17321
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8210
RIPE Region transit ASes present in the Internet Routing Table: 2841
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: 2376
Number of RIPE addresses announced to Internet: 656184804
Equivalent to 39 /8s, 28 /16s and 149 /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: 48708
Total LACNIC prefixes after maximum aggregation: 9521
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 53213
Unique aggregates announced from the LACNIC address blocks: 25331
LACNIC Region origin ASes present in the Internet Routing Table: 1987
LACNIC Prefixes per ASN: 26.78
LACNIC Region origin ASes announcing only one prefix: 579
LACNIC Region transit ASes present in the Internet Routing Table: 366
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 785
Number of LACNIC addresses announced to Internet: 133403560
Equivalent to 7 /8s, 243 /16s and 147 /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: 11026
Total AfriNIC prefixes after maximum aggregation: 2542
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11629
Unique aggregates announced from the AfriNIC address blocks: 3973
AfriNIC Region origin ASes present in the Internet Routing Table: 642
AfriNIC Prefixes per ASN: 18.11
AfriNIC Region origin ASes announcing only one prefix: 185
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 46411776
Equivalent to 2 /8s, 196 /16s and 48 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2916 11560 919 Korea Telecom (KIX)
17974 2589 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2028 320 106 TPG Internet Pty Ltd
4755 1759 391 193 TATA Communications formerly
9829 1537 1221 45 BSNL National Internet Backbo
9583 1223 92 504 Sify Limited
4808 1172 2152 336 CNCGROUP IP network: China169
9498 1165 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 2985 3690 67 bellsouth.net, inc.
18566 2067 382 184 Covad Communications
1785 2001 678 126 PaeTec Communications, Inc.
22773 1998 2927 124 Cox Communications, Inc.
20115 1669 1622 621 Charter Communications
4323 1616 1118 405 Time Warner Telecom
701 1530 11127 797 UUNET Technologies, Inc.
30036 1345 304 660 Mediacom Communications Corp
7018 1300 11035 823 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 1617 544 16 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
34984 1296 244 222 BILISIM TELEKOM
31148 973 43 21 FreeNet ISP
20940 932 322 731 Akamai Technologies European
13188 838 98 81 Educational Network
6830 807 2376 442 UPC Distribution Services
8551 780 370 45 Bezeq International
12479 683 793 56 Uni2 Autonomous System
34744 637 170 73 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 2943 1591 110 NET Servicos de Comunicao S.A
10620 2653 419 229 TVCABLE BOGOTA
7303 1729 1155 219 Telecom Argentina Stet-France
8151 1271 2754 384 UniNet S.A. de C.V.
18881 1247 844 20 Global Village Telecom
27947 829 94 91 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
3816 717 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 621 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 1300 80 4 MOBITEL
24863 881 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 438 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
36992 206 527 22 Etisalat MISR
12258 193 28 71 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 2985 3690 67 bellsouth.net, inc.
28573 2943 1591 110 NET Servicos de Comunicao S.A
4766 2916 11560 919 Korea Telecom (KIX)
10620 2653 419 229 TVCABLE BOGOTA
17974 2589 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2067 382 184 Covad Communications
7545 2028 320 106 TPG Internet Pty Ltd
1785 2001 678 126 PaeTec Communications, Inc.
22773 1998 2927 124 Cox Communications, Inc.
4755 1759 391 193 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 2943 2833 NET Servicos de Comunicao S.A
17974 2589 2497 PT TELEKOMUNIKASI INDONESIA
10620 2653 2424 TVCABLE BOGOTA
4766 2916 1997 Korea Telecom (KIX)
7545 2028 1922 TPG Internet Pty Ltd
18566 2067 1883 Covad Communications
1785 2001 1875 PaeTec Communications, Inc.
22773 1998 1874 Cox Communications, Inc.
8402 1617 1601 Corbina telecom
4755 1759 1566 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
30621 UNALLOCATED 12.151.74.0/23 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 2541 >>UNKNOWN<<
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
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 /11:92 /12:251
/13:479 /14:905 /15:1606 /16:12730 /17:6646 /18:11063
/19:22485 /20:32130 /21:34627 /22:48414 /23:42362 /24:241726
/25:1305 /26:1637 /27:846 /28:43 /29:70 /30:19
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1715 2985 bellsouth.net, inc.
8402 1311 1617 Corbina telecom
22773 1300 1998 Cox Communications, Inc.
36998 1268 1300 MOBITEL
30036 1212 1345 Mediacom Communications Corp
11492 1185 1224 Cable One
1785 1070 2001 PaeTec Communications, Inc.
6983 1020 1147 ITC^Deltacom
10620 980 2653 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:822 2:728 3:3 4:19 5:843 6:16
8:572 12:1915 13:2 14:866 15:11 16:3
17:10 20:17 23:296 24:1770 27:1497 31:1315
32:45 33:2 34:5 36:59 37:1890 38:886
39:2 40:175 41:2763 42:236 44:8 46:1920
47:2 49:660 50:774 52:12 54:34 55:7
57:26 58:1162 59:582 60:328 61:1418 62:1128
63:2012 64:4347 65:2157 66:4193 67:2024 68:1087
69:3278 70:797 71:489 72:1910 74:2468 75:324
76:307 77:1116 78:1035 79:607 80:1291 81:1008
82:634 83:580 84:581 85:1204 86:467 87:1021
88:546 89:1809 90:150 91:5558 92:623 93:1761
94:1906 95:1668 96:528 97:343 98:1026 99:43
100:30 101:343 103:3013 105:521 106:139 107:208
108:515 109:1864 110:926 111:1072 112:551 113:818
114:699 115:991 116:955 117:837 118:1132 119:1308
120:392 121:739 122:1802 123:1237 124:1374 125:1387
128:638 129:223 130:308 131:669 132:360 133:160
134:268 135:68 136:225 137:242 138:340 139:193
140:209 141:327 142:548 143:393 144:515 145:98
146:533 147:404 148:662 149:352 150:149 151:552
152:415 153:189 154:28 155:409 156:266 157:386
158:278 159:745 160:348 161:450 162:493 163:227
164:582 165:506 166:254 167:595 168:1032 169:128
170:1063 171:181 172:23 173:1601 174:550 175:495
176:1118 177:2135 178:1860 179:66 180:1474 181:553
182:1266 183:420 184:671 185:671 186:2296 187:1322
188:1885 189:1290 190:6735 192:6931 193:5860 194:4705
195:3544 196:1354 197:932 198:4543 199:5356 200:6018
201:2238 202:8839 203:8877 204:4506 205:2600 206:2860
207:2856 208:4017 209:3576 210:2924 211:1521 212:2205
213:2014 214:921 215:99 216:5252 217:1619 218:616
219:313 220:1284 221:556 222:321 223:447
End of report
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