* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 15 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 459065
Prefixes after maximum aggregation: 186748
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228128
Total ASes present in the Internet Routing Table: 44480
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 34829
Origin ASes announcing only one prefix: 16158
Transit ASes present in the Internet Routing Table: 5879
Transit-only ASes present in the Internet Routing Table: 149
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: 2757
Unregistered ASNs in the Routing Table: 1171
Number of 32-bit ASNs allocated by the RIRs: 4875
Number of 32-bit ASNs visible in the Routing Table: 3772
Prefixes from 32-bit ASNs in the Routing Table: 11279
Special use prefixes present in the Routing Table: 27
Prefixes being announced from unallocated address space: 270
Number of addresses announced to Internet: 2628865836
Equivalent to 156 /8s, 177 /16s and 79 /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: 160656
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110303
Total APNIC prefixes after maximum aggregation: 33780
APNIC Deaggregation factor: 3.27
Prefixes being announced from the APNIC address blocks: 112228
Unique aggregates announced from the APNIC address blocks: 46091
APNIC Region origin ASes present in the Internet Routing Table: 4848
APNIC Prefixes per ASN: 23.15
APNIC Region origin ASes announcing only one prefix: 1211
APNIC Region transit ASes present in the Internet Routing Table: 826
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: 601
Number of APNIC addresses announced to Internet: 725932768
Equivalent to 43 /8s, 68 /16s and 218 /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: 159202
Total ARIN prefixes after maximum aggregation: 80592
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159747
Unique aggregates announced from the ARIN address blocks: 73997
ARIN Region origin ASes present in the Internet Routing Table: 15766
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5986
ARIN Region transit ASes present in the Internet Routing Table: 1640
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: 1066510144
Equivalent to 63 /8s, 145 /16s and 167 /24s
Percentage of available ARIN address space announced: 56.4
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: 118562
Total RIPE prefixes after maximum aggregation: 60465
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122038
Unique aggregates announced from the RIPE address blocks: 78819
RIPE Region origin ASes present in the Internet Routing Table: 17291
RIPE Prefixes per ASN: 7.06
RIPE Region origin ASes announcing only one prefix: 8194
RIPE Region transit ASes present in the Internet Routing Table: 2833
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: 2369
Number of RIPE addresses announced to Internet: 656365412
Equivalent to 39 /8s, 31 /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: 48754
Total LACNIC prefixes after maximum aggregation: 9349
LACNIC Deaggregation factor: 5.21
Prefixes being announced from the LACNIC address blocks: 53271
Unique aggregates announced from the LACNIC address blocks: 24985
LACNIC Region origin ASes present in the Internet Routing Table: 1981
LACNIC Prefixes per ASN: 26.89
LACNIC Region origin ASes announcing only one prefix: 579
LACNIC Region transit ASes present in the Internet Routing Table: 360
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: 777
Number of LACNIC addresses announced to Internet: 133392552
Equivalent to 7 /8s, 243 /16s and 104 /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: 10876
Total AfriNIC prefixes after maximum aggregation: 2522
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 11511
Unique aggregates announced from the AfriNIC address blocks: 3984
AfriNIC Region origin ASes present in the Internet Routing Table: 646
AfriNIC Prefixes per ASN: 17.82
AfriNIC Region origin ASes announcing only one prefix: 188
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: 46291456
Equivalent to 2 /8s, 194 /16s and 90 /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 2930 11560 919 Korea Telecom (KIX)
17974 2580 855 92 PT TELEKOMUNIKASI INDONESIA
7545 2025 320 109 TPG Internet Pty Ltd
4755 1754 391 192 TATA Communications formerly
9829 1534 1220 44 BSNL National Internet Backbo
9583 1463 118 564 Sify Limited
4808 1176 2153 338 CNCGROUP IP network: China169
9498 1160 309 72 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 1998 677 125 PaeTec Communications, Inc.
22773 1992 2927 123 Cox Communications, Inc.
20115 1665 1618 615 Charter Communications
4323 1616 1134 403 Time Warner Telecom
701 1531 11127 798 UUNET Technologies, Inc.
30036 1351 304 657 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 1625 544 16 Corbina telecom
34984 1295 244 222 BILISIM TELEKOM
2118 1271 97 13 EUnet/RELCOM Autonomous Syste
20940 911 314 724 Akamai Technologies European
13188 836 98 85 Educational Network
31148 801 40 25 FreeNet ISP
6830 786 2376 441 UPC Distribution Services
8551 781 370 45 Bezeq International
12479 679 789 57 Uni2 Autonomous System
34744 648 160 85 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 2929 1588 107 NET Servicos de Comunicao S.A
10620 2695 423 191 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1267 2749 386 UniNet S.A. de C.V.
18881 1120 844 20 Global Village Telecom
27947 828 94 91 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
3816 719 306 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 530 617 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
29571 219 17 12 Ci Telecom Autonomous system
36992 205 527 22 Etisalat MISR
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.
4766 2930 11560 919 Korea Telecom (KIX)
28573 2929 1588 107 NET Servicos de Comunicao S.A
10620 2695 423 191 TVCABLE BOGOTA
17974 2580 855 92 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
7545 2025 320 109 TPG Internet Pty Ltd
1785 1998 677 125 PaeTec Communications, Inc.
22773 1992 2927 123 Cox Communications, Inc.
4755 1754 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 2929 2822 NET Servicos de Comunicao S.A
10620 2695 2504 TVCABLE BOGOTA
17974 2580 2488 PT TELEKOMUNIKASI INDONESIA
4766 2930 2011 Korea Telecom (KIX)
7545 2025 1916 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
1785 1998 1873 PaeTec Communications, Inc.
22773 1992 1869 Cox Communications, Inc.
8402 1625 1609 Corbina telecom
4755 1754 1562 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 /12:250
/13:482 /14:903 /15:1602 /16:12716 /17:6642 /18:11045
/19:22483 /20:32139 /21:34514 /22:48470 /23:42425 /24:241288
/25:1303 /26:1643 /27:867 /28:40 /29:67 /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 1319 1625 Corbina telecom
22773 1295 1992 Cox Communications, Inc.
30036 1218 1351 Mediacom Communications Corp
11492 1185 1224 Cable One
36998 1140 1172 MOBITEL
1785 1068 1998 PaeTec Communications, Inc.
6983 1018 1147 ITC^Deltacom
10620 1000 2695 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:837 2:736 3:3 4:19 5:814 6:16
8:565 12:1912 13:3 14:862 15:11 16:3
17:10 20:17 23:293 24:1779 27:1488 31:1325
32:45 33:2 34:5 36:59 37:1855 38:878
39:2 40:171 41:2761 42:229 44:8 46:1958
47:2 49:666 50:769 52:12 54:35 55:5
57:26 58:1159 59:582 60:328 61:1415 62:1124
63:2012 64:4335 65:2156 66:4177 67:2020 68:1075
69:3288 70:796 71:491 72:1910 74:2468 75:324
76:307 77:1138 78:1003 79:612 80:1269 81:1018
82:634 83:582 84:594 85:1193 86:463 87:1020
88:544 89:1803 90:149 91:5523 92:620 93:1774
94:1930 95:1697 96:518 97:342 98:1023 99:42
100:30 101:586 103:2951 105:472 106:139 107:208
108:513 109:1867 110:921 111:1073 112:552 113:816
114:699 115:1000 116:964 117:808 118:1116 119:1309
120:390 121:735 122:1803 123:1218 124:1376 125:1391
128:639 129:223 130:310 131:670 132:359 133:155
134:267 135:68 136:256 137:243 138:340 139:191
140:201 141:326 142:544 143:380 144:502 145:98
146:524 147:395 148:660 149:352 150:149 151:553
152:415 153:189 154:28 155:415 156:265 157:393
158:279 159:723 160:344 161:446 162:484 163:225
164:582 165:501 166:254 167:594 168:1029 169:129
170:1061 171:182 172:23 173:1593 174:547 175:480
176:1151 177:2154 178:1869 179:65 180:1462 181:493
182:1263 183:422 184:669 185:636 186:2323 187:1330
188:2103 189:1261 190:6667 192:6854 193:5859 194:4633
195:3469 196:1352 197:897 198:4514 199:5345 200:6010
201:2172 202:8830 203:8886 204:4505 205:2586 206:2843
207:2849 208:4012 209:3598 210:2914 211:1520 212:2193
213:2001 214:914 215:99 216:5243 217:1613 218:620
219:321 220:1279 221:559 222:321 223:447
End of report
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