* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 13 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 466428
Prefixes after maximum aggregation: 188528
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 231983
Total ASes present in the Internet Routing Table: 44960
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 35127
Origin ASes announcing only one prefix: 16267
Transit ASes present in the Internet Routing Table: 5908
Transit-only ASes present in the Internet Routing Table: 163
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 5917
Unregistered ASNs in the Routing Table: 2037
Number of 32-bit ASNs allocated by the RIRs: 5023
Number of 32-bit ASNs visible in the Routing Table: 3925
Prefixes from 32-bit ASNs in the Routing Table: 12123
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 417
Number of addresses announced to Internet: 2641290260
Equivalent to 157 /8s, 110 /16s and 228 /24s
Percentage of available address space announced: 71.3
Percentage of allocated address space announced: 71.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.0
Total number of prefixes smaller than registry allocations: 163664
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110820
Total APNIC prefixes after maximum aggregation: 33626
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 112781
Unique aggregates announced from the APNIC address blocks: 46605
APNIC Region origin ASes present in the Internet Routing Table: 4869
APNIC Prefixes per ASN: 23.16
APNIC Region origin ASes announcing only one prefix: 1219
APNIC Region transit ASes present in the Internet Routing Table: 835
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 673
Number of APNIC addresses announced to Internet: 727460352
Equivalent to 43 /8s, 92 /16s and 42 /24s
Percentage of available APNIC address space announced: 85.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 161570
Total ARIN prefixes after maximum aggregation: 81234
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162161
Unique aggregates announced from the ARIN address blocks: 75548
ARIN Region origin ASes present in the Internet Routing Table: 15873
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6017
ARIN Region transit ASes present in the Internet Routing Table: 1657
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: 21
Number of ARIN addresses announced to Internet: 1071212032
Equivalent to 63 /8s, 217 /16s and 102 /24s
Percentage of available ARIN address space announced: 56.7
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: 118855
Total RIPE prefixes after maximum aggregation: 61258
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122683
Unique aggregates announced from the RIPE address blocks: 79534
RIPE Region origin ASes present in the Internet Routing Table: 17418
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8264
RIPE Region transit ASes present in the Internet Routing Table: 2807
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2392
Number of RIPE addresses announced to Internet: 657357284
Equivalent to 39 /8s, 46 /16s and 121 /24s
Percentage of available RIPE address space announced: 95.6
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, 61952-62463, 196608-200191
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: 51231
Total LACNIC prefixes after maximum aggregation: 9791
LACNIC Deaggregation factor: 5.23
Prefixes being announced from the LACNIC address blocks: 56052
Unique aggregates announced from the LACNIC address blocks: 25932
LACNIC Region origin ASes present in the Internet Routing Table: 2017
LACNIC Prefixes per ASN: 27.79
LACNIC Region origin ASes announcing only one prefix: 569
LACNIC Region transit ASes present in the Internet Routing Table: 378
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: 833
Number of LACNIC addresses announced to Internet: 137810736
Equivalent to 8 /8s, 54 /16s and 211 /24s
Percentage of available LACNIC address space announced: 82.1
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: 11720
Total AfriNIC prefixes after maximum aggregation: 2563
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12334
Unique aggregates announced from the AfriNIC address blocks: 3984
AfriNIC Region origin ASes present in the Internet Routing Table: 656
AfriNIC Prefixes per ASN: 18.80
AfriNIC Region origin ASes announcing only one prefix: 198
AfriNIC Region transit ASes present in the Internet Routing Table: 138
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46574336
Equivalent to 2 /8s, 198 /16s and 171 /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 2922 11561 924 Korea Telecom (KIX)
17974 2675 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2072 321 112 TPG Internet Pty Ltd
4755 1773 390 190 TATA Communications formerly
9829 1549 1237 45 BSNL National Internet Backbo
9583 1229 92 508 Sify Limited
9498 1186 309 72 BHARTI Airtel Ltd.
4808 1159 2128 341 CNCGROUP IP network: China169
7552 1155 1080 13 Vietel Corporation
24560 1090 394 163 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 3068 3689 62 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
22773 2041 2933 124 Cox Communications, Inc.
1785 2011 679 125 PaeTec Communications, Inc.
20115 1679 1649 629 Charter Communications
4323 1617 1103 411 Time Warner Telecom
701 1528 11136 798 UUNET Technologies, Inc.
30036 1352 305 630 Mediacom Communications Corp
7018 1315 11261 827 AT&T WorldNet Services
11492 1222 218 365 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 1727 544 16 Corbina telecom
34984 1329 244 220 BILISIM TELEKOM
20940 1015 369 782 Akamai Technologies European
31148 983 43 19 FreeNet ISP
6830 894 2367 426 UPC Distribution Services
13188 847 99 70 Educational Network
8551 750 370 41 Bezeq International
12479 673 797 53 Uni2 Autonomous System
58113 541 55 339 LIR DATACENTER TELECOM SRL
35228 528 246 16 Avatar Broadband Limited
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 3248 1722 97 NET Servicos de Comunicao S.A
10620 2549 416 259 TVCABLE BOGOTA
7303 1708 1133 225 Telecom Argentina Stet-France
18881 1431 844 20 Global Village Telecom
8151 1275 2780 388 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 841 94 92 Telconet S.A
6503 809 434 65 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 739 376 21 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 1861 112 5 MOBITEL
24863 868 274 30 LINKdotNET AS number
6713 543 633 26 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 280 80 8 RAYA Telecom - Egypt
3741 257 921 216 The Internet Solution
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29571 221 17 12 Ci Telecom Autonomous system
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
28573 3248 1722 97 NET Servicos de Comunicao S.A
6389 3068 3689 62 bellsouth.net, inc.
4766 2922 11561 924 Korea Telecom (KIX)
17974 2675 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2549 416 259 TVCABLE BOGOTA
7545 2072 321 112 TPG Internet Pty Ltd
18566 2065 382 184 Covad Communications
22773 2041 2933 124 Cox Communications, Inc.
1785 2011 679 125 PaeTec Communications, Inc.
36998 1861 112 5 MOBITEL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3068 3006 bellsouth.net, inc.
17974 2675 2584 PT TELEKOMUNIKASI INDONESIA
10620 2549 2290 TVCABLE BOGOTA
4766 2922 1998 Korea Telecom (KIX)
7545 2072 1960 TPG Internet Pty Ltd
22773 2041 1917 Cox Communications, Inc.
1785 2011 1886 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
36998 1861 1856 MOBITEL
8402 1727 1711 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
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
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
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.96.0/20 40676 Psychz Networks
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.168.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.172.0/22 36493 3757277 Canada Inc. (oa 295.c
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 /10:31 /11:93 /12:250
/13:479 /14:910 /15:1620 /16:12767 /17:6698 /18:11127
/19:22912 /20:32513 /21:35045 /22:49432 /23:43145 /24:246924
/25:834 /26:986 /27:477 /28:48 /29:77 /30:19
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1826 1861 MOBITEL
6389 1713 3068 bellsouth.net, inc.
8402 1447 1727 Corbina telecom
22773 1328 2041 Cox Communications, Inc.
30036 1212 1352 Mediacom Communications Corp
11492 1183 1222 Cable One
1785 1083 2011 PaeTec Communications, Inc.
6983 1025 1152 ITC^Deltacom
7011 932 1175 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:811 2:854 3:3 4:17 5:941 6:19
8:609 12:1889 13:3 14:867 15:11 16:3
17:11 18:19 20:21 23:386 24:1738 27:1565
31:1434 32:45 33:2 34:5 36:77 37:1847
38:901 39:3 40:179 41:3339 42:252 44:9
46:1985 47:4 49:667 50:839 52:12 54:37
55:7 57:26 58:1167 59:611 60:339 61:1447
62:1192 63:1988 64:4561 65:2367 66:4169 67:2070
68:1088 69:3298 70:865 71:496 72:2007 74:2554
75:330 76:304 77:1174 78:1057 79:618 80:1317
81:1027 82:646 83:582 84:582 85:1273 86:494
87:1048 88:559 89:1833 90:158 91:5651 92:606
93:1662 94:2037 95:1552 96:517 97:342 98:1038
99:44 100:31 101:605 103:3299 105:519 106:142
107:208 108:504 109:1911 110:967 111:1127 112:567
113:792 114:734 115:996 116:978 117:817 118:1152
119:1285 120:365 121:740 122:1865 123:1255 124:1381
125:1423 128:619 129:230 130:321 131:648 132:351
133:161 134:290 135:67 136:271 137:268 138:348
139:178 140:183 141:326 142:554 143:391 144:501
145:99 146:534 147:489 148:679 149:356 150:154
151:597 152:413 153:195 154:46 155:485 156:274
157:414 158:284 159:756 160:351 161:455 162:654
163:227 164:628 165:568 166:259 167:607 168:1032
169:125 170:1084 171:194 172:25 173:1600 174:523
175:501 176:1192 177:2239 178:1898 179:115 180:1530
181:722 182:1272 183:461 184:626 185:826 186:2489
187:1457 188:1906 189:1307 190:7078 192:6918 193:5649
194:4066 195:3328 196:1357 197:1009 198:4666 199:5431
200:5987 201:2529 202:8948 203:8930 204:4521 205:2617
206:2839 207:2880 208:4001 209:3604 210:2967 211:1563
212:2271 213:2056 214:933 215:99 216:5299 217:1654
218:623 219:313 220:1278 221:559 222:326 223:500
End of report
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