* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 11 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 466807
Prefixes after maximum aggregation: 188362
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 231834
Total ASes present in the Internet Routing Table: 44937
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35107
Origin ASes announcing only one prefix: 16230
Transit ASes present in the Internet Routing Table: 5912
Transit-only ASes present in the Internet Routing Table: 161
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: 5870
Unregistered ASNs in the Routing Table: 1991
Number of 32-bit ASNs allocated by the RIRs: 5012
Number of 32-bit ASNs visible in the Routing Table: 3918
Prefixes from 32-bit ASNs in the Routing Table: 12071
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 396
Number of addresses announced to Internet: 2640810708
Equivalent to 157 /8s, 103 /16s and 146 /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: 163464
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110600
Total APNIC prefixes after maximum aggregation: 33542
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 112564
Unique aggregates announced from the APNIC address blocks: 46543
APNIC Region origin ASes present in the Internet Routing Table: 4869
APNIC Prefixes per ASN: 23.12
APNIC Region origin ASes announcing only one prefix: 1215
APNIC Region transit ASes present in the Internet Routing Table: 830
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: 670
Number of APNIC addresses announced to Internet: 727285184
Equivalent to 43 /8s, 89 /16s and 125 /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, 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: 161494
Total ARIN prefixes after maximum aggregation: 81168
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162078
Unique aggregates announced from the ARIN address blocks: 75476
ARIN Region origin ASes present in the Internet Routing Table: 15863
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6007
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: 20
Number of ARIN addresses announced to Internet: 1071273984
Equivalent to 63 /8s, 218 /16s and 88 /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: 119672
Total RIPE prefixes after maximum aggregation: 61238
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 123499
Unique aggregates announced from the RIPE address blocks: 79543
RIPE Region origin ASes present in the Internet Routing Table: 17415
RIPE Prefixes per ASN: 7.09
RIPE Region origin ASes announcing only one prefix: 8245
RIPE Region transit ASes present in the Internet Routing Table: 2818
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2393
Number of RIPE addresses announced to Internet: 657349604
Equivalent to 39 /8s, 46 /16s and 91 /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: 51137
Total LACNIC prefixes after maximum aggregation: 9794
LACNIC Deaggregation factor: 5.22
Prefixes being announced from the LACNIC address blocks: 55928
Unique aggregates announced from the LACNIC address blocks: 25937
LACNIC Region origin ASes present in the Internet Routing Table: 2018
LACNIC Prefixes per ASN: 27.71
LACNIC Region origin ASes announcing only one prefix: 570
LACNIC Region transit ASes present in the Internet Routing Table: 379
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: 829
Number of LACNIC addresses announced to Internet: 137563952
Equivalent to 8 /8s, 51 /16s and 15 /24s
Percentage of available LACNIC address space announced: 82.0
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: 11724
Total AfriNIC prefixes after maximum aggregation: 2563
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12342
Unique aggregates announced from the AfriNIC address blocks: 3974
AfriNIC Region origin ASes present in the Internet Routing Table: 653
AfriNIC Prefixes per ASN: 18.90
AfriNIC Region origin ASes announcing only one prefix: 193
AfriNIC Region transit ASes present in the Internet Routing Table: 140
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: 46543872
Equivalent to 2 /8s, 198 /16s and 52 /24s
Percentage of available AfriNIC address space announced: 46.2
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 2919 11561 924 Korea Telecom (KIX)
17974 2675 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2070 321 112 TPG Internet Pty Ltd
4755 1770 390 190 TATA Communications formerly
9829 1549 1237 45 BSNL National Internet Backbo
9583 1229 92 508 Sify Limited
9498 1184 309 70 BHARTI Airtel Ltd.
4808 1161 2129 343 CNCGROUP IP network: China169
7552 1155 1080 13 Vietel Corporation
24560 1089 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 125 Cox Communications, Inc.
1785 2013 679 125 PaeTec Communications, Inc.
20115 1678 1648 628 Charter Communications
4323 1617 1103 411 Time Warner Telecom
701 1522 11135 798 UUNET Technologies, Inc.
30036 1348 303 640 Mediacom Communications Corp
7018 1312 11277 826 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 1738 544 16 Corbina telecom
34984 1324 244 221 BILISIM TELEKOM
2118 1164 97 13 EUnet/RELCOM Autonomous Syste
20940 1013 367 778 Akamai Technologies European
31148 982 43 18 FreeNet ISP
6830 894 2367 426 UPC Distribution Services
13188 848 99 70 Educational Network
8551 750 370 41 Bezeq International
12479 675 797 53 Uni2 Autonomous System
58113 541 55 339 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 3239 1720 96 NET Servicos de Comunicao S.A
10620 2549 416 259 TVCABLE BOGOTA
7303 1701 1126 222 Telecom Argentina Stet-France
18881 1431 844 20 Global Village Telecom
8151 1291 2778 390 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 840 94 92 Telconet S.A
6503 812 434 64 AVANTEL, S.A.
7738 764 1498 36 Telecomunicacoes da Bahia S.A
6147 732 374 25 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 434 956 9 TEDATA
24835 291 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
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
28573 3239 1720 96 NET Servicos de Comunicao S.A
6389 3068 3689 62 bellsouth.net, inc.
4766 2919 11561 924 Korea Telecom (KIX)
17974 2675 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2549 416 259 TVCABLE BOGOTA
7545 2070 321 112 TPG Internet Pty Ltd
18566 2065 382 184 Covad Communications
22773 2041 2933 125 Cox Communications, Inc.
1785 2013 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 2919 1995 Korea Telecom (KIX)
7545 2070 1958 TPG Internet Pty Ltd
22773 2041 1916 Cox Communications, Inc.
1785 2013 1888 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
36998 1861 1856 MOBITEL
8402 1738 1722 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 /15:1621 /16:12767 /17:6696 /18:11130
/19:22813 /20:32456 /21:35056 /22:49416 /23:43115 /24:247512
/25:822 /26:986 /27:468 /28:48 /29:78 /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 1458 1738 Corbina telecom
22773 1327 2041 Cox Communications, Inc.
30036 1209 1348 Mediacom Communications Corp
11492 1183 1222 Cable One
1785 1085 2013 PaeTec Communications, Inc.
6983 1025 1152 ITC^Deltacom
7011 934 1177 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:809 2:854 3:3 4:19 5:926 6:19
8:616 12:1888 13:3 14:869 15:11 16:3
17:11 18:19 20:18 23:383 24:1745 27:1564
31:1437 32:45 33:2 34:5 36:79 37:1858
38:901 39:5 40:179 41:3329 42:253 44:8
46:1976 47:4 49:667 50:838 52:12 54:37
55:9 57:26 58:1169 59:621 60:337 61:1419
62:1216 63:1985 64:4561 65:2312 66:4165 67:2066
68:1082 69:3297 70:864 71:496 72:2004 74:2553
75:329 76:304 77:1167 78:1059 79:622 80:1319
81:1026 82:646 83:582 84:581 85:1267 86:500
87:1049 88:557 89:1845 90:158 91:5644 92:601
93:1679 94:2033 95:1550 96:511 97:342 98:1039
99:44 100:31 101:597 103:3305 105:519 106:142
107:208 108:504 109:1876 110:964 111:1130 112:568
113:793 114:734 115:993 116:977 117:818 118:1147
119:1283 120:361 121:740 122:1871 123:1249 124:1382
125:1422 128:619 129:219 130:320 131:674 132:350
133:161 134:287 135:63 136:272 137:268 138:348
139:180 140:196 141:325 142:554 143:392 144:493
145:99 146:534 147:492 148:690 149:356 150:152
151:593 152:416 153:195 154:46 155:480 156:274
157:409 158:285 159:755 160:352 161:459 162:647
163:214 164:628 165:564 166:258 167:600 168:1031
169:125 170:1084 171:194 172:25 173:1596 174:519
175:502 176:1190 177:2182 178:1895 179:126 180:1528
181:717 182:1270 183:434 184:629 185:818 186:2500
187:1437 188:1908 189:1318 190:7079 192:6917 193:5690
194:4623 195:3570 196:1357 197:1014 198:4662 199:5433
200:6019 201:2528 202:8950 203:8918 204:4526 205:2615
206:2839 207:2884 208:3996 209:3599 210:2940 211:1559
212:2268 213:2056 214:933 215:98 216:5292 217:1656
218:622 219:313 220:1278 221:559 222:326 223:501
End of report
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