* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 18 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 466677
Prefixes after maximum aggregation: 188500
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232238
Total ASes present in the Internet Routing Table: 44996
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 35154
Origin ASes announcing only one prefix: 16267
Transit ASes present in the Internet Routing Table: 5910
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: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 5869
Unregistered ASNs in the Routing Table: 1979
Number of 32-bit ASNs allocated by the RIRs: 5041
Number of 32-bit ASNs visible in the Routing Table: 3932
Prefixes from 32-bit ASNs in the Routing Table: 12214
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 445
Number of addresses announced to Internet: 2643124756
Equivalent to 157 /8s, 138 /16s and 226 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
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: 163123
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110862
Total APNIC prefixes after maximum aggregation: 33667
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 112817
Unique aggregates announced from the APNIC address blocks: 46698
APNIC Region origin ASes present in the Internet Routing Table: 4874
APNIC Prefixes per ASN: 23.15
APNIC Region origin ASes announcing only one prefix: 1218
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: 727961088
Equivalent to 43 /8s, 99 /16s and 206 /24s
Percentage of available APNIC address space announced: 85.1
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: 162250
Total ARIN prefixes after maximum aggregation: 81311
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 162874
Unique aggregates announced from the ARIN address blocks: 75877
ARIN Region origin ASes present in the Internet Routing Table: 15887
ARIN Prefixes per ASN: 10.25
ARIN Region origin ASes announcing only one prefix: 6023
ARIN Region transit ASes present in the Internet Routing Table: 1661
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: 1071373568
Equivalent to 63 /8s, 219 /16s and 221 /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: 118604
Total RIPE prefixes after maximum aggregation: 61101
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122423
Unique aggregates announced from the RIPE address blocks: 79208
RIPE Region origin ASes present in the Internet Routing Table: 17420
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8269
RIPE Region transit ASes present in the Internet Routing Table: 2804
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2395
Number of RIPE addresses announced to Internet: 657063652
Equivalent to 39 /8s, 41 /16s and 254 /24s
Percentage of available RIPE address space announced: 95.5
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: 51478
Total LACNIC prefixes after maximum aggregation: 9783
LACNIC Deaggregation factor: 5.26
Prefixes being announced from the LACNIC address blocks: 56359
Unique aggregates announced from the LACNIC address blocks: 26031
LACNIC Region origin ASes present in the Internet Routing Table: 2018
LACNIC Prefixes per ASN: 27.93
LACNIC Region origin ASes announcing only one prefix: 563
LACNIC Region transit ASes present in the Internet Routing Table: 378
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 837
Number of LACNIC addresses announced to Internet: 139134512
Equivalent to 8 /8s, 75 /16s and 6 /24s
Percentage of available LACNIC address space announced: 82.9
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: 11146
Total AfriNIC prefixes after maximum aggregation: 2572
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 11759
Unique aggregates announced from the AfriNIC address blocks: 4017
AfriNIC Region origin ASes present in the Internet Routing Table: 657
AfriNIC Prefixes per ASN: 17.90
AfriNIC Region origin ASes announcing only one prefix: 194
AfriNIC Region transit ASes present in the Internet Routing Table: 140
Average AfriNIC Region AS path length visible: 4.9
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: 46653440
Equivalent to 2 /8s, 199 /16s and 224 /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 2923 11561 924 Korea Telecom (KIX)
17974 2677 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2076 321 112 TPG Internet Pty Ltd
4755 1770 391 188 TATA Communications formerly
9829 1549 1237 45 BSNL National Internet Backbo
9583 1232 92 505 Sify Limited
9498 1187 309 71 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
4808 1160 2128 341 CNCGROUP IP network: China169
24560 1089 380 164 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 3067 3689 62 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
22773 2040 2933 124 Cox Communications, Inc.
1785 2012 679 125 PaeTec Communications, Inc.
20115 1678 1649 629 Charter Communications
4323 1616 1103 410 Time Warner Telecom
701 1531 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 1757 544 16 Corbina telecom
34984 1330 244 220 BILISIM TELEKOM
20940 1034 380 797 Akamai Technologies European
31148 986 43 16 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
35228 528 246 16 Avatar Broadband Limited
34744 519 163 44 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 3259 1726 95 NET Servicos de Comunicao S.A
10620 2559 418 246 TVCABLE BOGOTA
7303 1708 1133 225 Telecom Argentina Stet-France
18881 1432 844 20 Global Village Telecom
8151 1291 2778 396 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 840 94 92 Telconet S.A
6503 823 434 64 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 1236 112 5 MOBITEL
24863 876 274 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 449 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 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 3259 1726 95 NET Servicos de Comunicao S.A
6389 3067 3689 62 bellsouth.net, inc.
4766 2923 11561 924 Korea Telecom (KIX)
17974 2677 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2559 418 246 TVCABLE BOGOTA
7545 2076 321 112 TPG Internet Pty Ltd
18566 2065 382 184 Covad Communications
22773 2040 2933 124 Cox Communications, Inc.
1785 2012 679 125 PaeTec Communications, Inc.
4755 1770 391 188 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
6389 3067 3005 bellsouth.net, inc.
17974 2677 2586 PT TELEKOMUNIKASI INDONESIA
10620 2559 2313 TVCABLE BOGOTA
4766 2923 1999 Korea Telecom (KIX)
7545 2076 1964 TPG Internet Pty Ltd
22773 2040 1916 Cox Communications, Inc.
1785 2012 1887 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
8402 1757 1741 Corbina telecom
4755 1770 1582 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
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
23.91.112.0/21 32475 MidPhase Inc.
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
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 /14:916 /15:1625 /16:12787 /17:6697 /18:11173
/19:22948 /20:32544 /21:35104 /22:49575 /23:42939 /24:247011
/25:844 /26:990 /27:485 /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
6389 1712 3067 bellsouth.net, inc.
8402 1476 1757 Corbina telecom
22773 1327 2040 Cox Communications, Inc.
36998 1229 1236 MOBITEL
30036 1212 1352 Mediacom Communications Corp
11492 1183 1222 Cable One
1785 1083 2012 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)
----------------------------------------------
1:810 2:859 3:3 4:17 5:958 6:19
8:607 12:1891 13:3 14:870 15:11 16:3
17:11 18:19 20:21 23:396 24:1746 27:1570
31:1443 32:45 33:2 34:5 36:80 37:1838
38:905 39:3 40:179 41:2825 42:253 44:13
46:1989 47:5 49:670 50:827 52:12 54:37
55:6 57:26 58:1168 59:599 60:342 61:1418
62:1191 63:1985 64:4564 65:2365 66:4162 67:2087
68:1087 69:3298 70:865 71:496 72:2004 74:2560
75:328 76:303 77:1172 78:1056 79:617 80:1335
81:1025 82:633 83:581 84:581 85:1265 86:484
87:1050 88:556 89:1799 90:158 91:5662 92:607
93:1638 94:2016 95:1575 96:517 97:342 98:1042
99:44 100:31 101:606 103:3310 105:516 106:142
107:208 108:507 109:1882 110:967 111:1124 112:570
113:792 114:729 115:998 116:977 117:820 118:1159
119:1283 120:363 121:743 122:1870 123:1250 124:1384
125:1423 128:621 129:232 130:321 131:674 132:351
133:162 134:539 135:67 136:271 137:268 138:348
139:180 140:206 141:327 142:553 143:409 144:501
145:99 146:519 147:498 148:686 149:354 150:155
151:585 152:413 153:195 154:46 155:485 156:276
157:421 158:285 159:763 160:351 161:457 162:670
163:229 164:625 165:569 166:259 167:609 168:1047
169:125 170:1085 171:193 172:25 173:1605 174:662
175:499 176:1197 177:2285 178:1890 179:129 180:1527
181:721 182:1272 183:462 184:625 185:854 186:2517
187:1460 188:1860 189:1324 190:7097 192:6935 193:5657
194:4064 195:3327 196:1359 197:966 198:4676 199:5447
200:6034 201:2535 202:8961 203:8921 204:4515 205:2622
206:2847 207:2887 208:4006 209:3595 210:2947 211:1554
212:2281 213:2050 214:934 215:99 216:5300 217:1648
218:622 219:311 220:1278 221:558 222:326 223:501
End of report
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