Routing Table Report 04:00 +10GMT Sun 15 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 466663
Prefixes after maximum aggregation: 188555
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232118
Total ASes present in the Internet Routing Table: 44958
Prefixes per ASN: 10.38
Origin-only ASes present in the Internet Routing Table: 35133
Origin ASes announcing only one prefix: 16252
Transit ASes present in the Internet Routing Table: 5902
Transit-only ASes present in the Internet Routing Table: 161
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: 5901
Unregistered ASNs in the Routing Table: 1956
Number of 32-bit ASNs allocated by the RIRs: 5031
Number of 32-bit ASNs visible in the Routing Table: 3923
Prefixes from 32-bit ASNs in the Routing Table: 12169
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 427
Number of addresses announced to Internet: 2642960468
Equivalent to 157 /8s, 136 /16s and 96 /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: 163640
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110786
Total APNIC prefixes after maximum aggregation: 33618
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 112763
Unique aggregates announced from the APNIC address blocks: 46629
APNIC Region origin ASes present in the Internet Routing Table: 4868
APNIC Prefixes per ASN: 23.16
APNIC Region origin ASes announcing only one prefix: 1214
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: 728121408
Equivalent to 43 /8s, 102 /16s and 64 /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: 161620
Total ARIN prefixes after maximum aggregation: 81214
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162231
Unique aggregates announced from the ARIN address blocks: 75530
ARIN Region origin ASes present in the Internet Routing Table: 15872
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: 1655
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: 1070892032
Equivalent to 63 /8s, 212 /16s and 132 /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: 118753
Total RIPE prefixes after maximum aggregation: 61281
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122575
Unique aggregates announced from the RIPE address blocks: 79599
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: 8260
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: 2389
Number of RIPE addresses announced to Internet: 657293284
Equivalent to 39 /8s, 45 /16s and 127 /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: 51351
Total LACNIC prefixes after maximum aggregation: 9759
LACNIC Deaggregation factor: 5.26
Prefixes being announced from the LACNIC address blocks: 56203
Unique aggregates announced from the LACNIC address blocks: 25963
LACNIC Region origin ASes present in the Internet Routing Table: 2013
LACNIC Prefixes per ASN: 27.92
LACNIC Region origin ASes announcing only one prefix: 562
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: 834
Number of LACNIC addresses announced to Internet: 138840112
Equivalent to 8 /8s, 70 /16s and 136 /24s
Percentage of available LACNIC address space announced: 82.8
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: 11863
Total AfriNIC prefixes after maximum aggregation: 2621
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 12464
Unique aggregates announced from the AfriNIC address blocks: 4008
AfriNIC Region origin ASes present in the Internet Routing Table: 658
AfriNIC Prefixes per ASN: 18.94
AfriNIC Region origin ASes announcing only one prefix: 199
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: 46631680
Equivalent to 2 /8s, 199 /16s and 139 /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 2676 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2070 321 112 TPG Internet Pty Ltd
4755 1774 392 191 TATA Communications formerly
9829 1545 1237 45 BSNL National Internet Backbo
9583 1232 92 505 Sify Limited
9498 1186 309 71 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
4808 1159 2128 341 CNCGROUP IP network: China169
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 2012 679 125 PaeTec Communications, Inc.
20115 1678 1649 629 Charter Communications
4323 1618 1103 411 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 1682 544 16 Corbina telecom
34984 1329 244 220 BILISIM TELEKOM
20940 1023 375 788 Akamai Technologies European
31148 985 43 20 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 3253 1724 95 NET Servicos de Comunicao S.A
10620 2559 418 246 TVCABLE BOGOTA
7303 1708 1133 225 Telecom Argentina Stet-France
18881 1430 844 20 Global Village Telecom
8151 1291 2784 391 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 840 94 92 Telconet S.A
6503 812 434 63 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 740 376 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 554 633 26 Itissalat Al-MAGHRIB
8452 435 956 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
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 3253 1724 95 NET Servicos de Comunicao S.A
6389 3068 3689 62 bellsouth.net, inc.
4766 2922 11561 924 Korea Telecom (KIX)
17974 2676 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2559 418 246 TVCABLE BOGOTA
7545 2070 321 112 TPG Internet Pty Ltd
18566 2065 382 184 Covad Communications
22773 2041 2933 124 Cox Communications, Inc.
1785 2012 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 2676 2585 PT TELEKOMUNIKASI INDONESIA
10620 2559 2313 TVCABLE BOGOTA
4766 2922 1998 Korea Telecom (KIX)
7545 2070 1958 TPG Internet Pty Ltd
22773 2041 1917 Cox Communications, Inc.
1785 2012 1887 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
36998 1861 1856 MOBITEL
8402 1682 1666 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
23.91.112.0/21 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 /16:12785 /17:6702 /18:11169
/19:22923 /20:32481 /21:35093 /22:49475 /23:43136 /24:247014
/25:841 /26:983 /27:483 /28:46 /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 1406 1682 Corbina telecom
22773 1328 2041 Cox Communications, Inc.
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)
----------------------------------------------
1:808 2:814 3:3 4:17 5:944 6:19
8:609 12:1885 13:3 14:870 15:11 16:3
17:11 18:19 20:21 23:389 24:1741 27:1565
31:1439 32:45 33:2 34:5 36:77 37:1845
38:901 39:3 40:179 41:3353 42:253 44:12
46:1989 47:5 49:670 50:826 52:12 54:37
55:5 57:26 58:1168 59:601 60:339 61:1420
62:1192 63:1988 64:4568 65:2362 66:4167 67:2071
68:1087 69:3297 70:865 71:496 72:2004 74:2559
75:327 76:302 77:1175 78:1057 79:622 80:1324
81:1031 82:643 83:582 84:582 85:1273 86:494
87:1048 88:554 89:1832 90:158 91:5658 92:604
93:1665 94:2023 95:1549 96:516 97:342 98:1039
99:44 100:31 101:606 103:3305 105:519 106:142
107:207 108:507 109:1880 110:953 111:1127 112:569
113:795 114:731 115:997 116:979 117:817 118:1158
119:1290 120:366 121:740 122:1865 123:1251 124:1382
125:1420 128:612 129:230 130:321 131:674 132:347
133:161 134:290 135:67 136:271 137:268 138:347
139:178 140:199 141:325 142:553 143:393 144:500
145:95 146:536 147:487 148:682 149:360 150:152
151:601 152:414 153:195 154:46 155:502 156:274
157:418 158:285 159:760 160:350 161:451 162:656
163:229 164:622 165:567 166:259 167:608 168:1047
169:125 170:1085 171:194 172:25 173:1605 174:520
175:498 176:1195 177:2248 178:1889 179:120 180:1532
181:722 182:1272 183:460 184:627 185:831 186:2502
187:1459 188:1891 189:1307 190:7098 192:6928 193:5653
194:4064 195:3330 196:1393 197:1012 198:4662 199:5434
200:6022 201:2537 202:8967 203:8908 204:4519 205:2622
206:2845 207:2883 208:4008 209:3603 210:2951 211:1556
212:2271 213:2053 214:927 215:99 216:5298 217:1655
218:623 219:314 220:1278 221:557 222:322 223:502
End of report