Routing Table Report 04:00 +10GMT Thu 19 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 467497
Prefixes after maximum aggregation: 188598
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232248
Total ASes present in the Internet Routing Table: 44999
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35148
Origin ASes announcing only one prefix: 16270
Transit ASes present in the Internet Routing Table: 5910
Transit-only ASes present in the Internet Routing Table: 165
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: 5994
Unregistered ASNs in the Routing Table: 1994
Number of 32-bit ASNs allocated by the RIRs: 5048
Number of 32-bit ASNs visible in the Routing Table: 3941
Prefixes from 32-bit ASNs in the Routing Table: 12266
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 472
Number of addresses announced to Internet: 2643686644
Equivalent to 157 /8s, 147 /16s and 116 /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: 163807
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110804
Total APNIC prefixes after maximum aggregation: 33663
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 112758
Unique aggregates announced from the APNIC address blocks: 46651
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: 1220
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: 677
Number of APNIC addresses announced to Internet: 728174848
Equivalent to 43 /8s, 103 /16s and 17 /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: 162455
Total ARIN prefixes after maximum aggregation: 81376
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163054
Unique aggregates announced from the ARIN address blocks: 75889
ARIN Region origin ASes present in the Internet Routing Table: 15888
ARIN Prefixes per ASN: 10.26
ARIN Region origin ASes announcing only one prefix: 6019
ARIN Region transit ASes present in the Internet Routing Table: 1659
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: 1071611648
Equivalent to 63 /8s, 223 /16s and 127 /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: 118673
Total RIPE prefixes after maximum aggregation: 61128
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122524
Unique aggregates announced from the RIPE address blocks: 79245
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: 8268
RIPE Region transit ASes present in the Internet Routing Table: 2809
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: 2398
Number of RIPE addresses announced to Internet: 657128164
Equivalent to 39 /8s, 42 /16s and 250 /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: 51470
Total LACNIC prefixes after maximum aggregation: 9801
LACNIC Deaggregation factor: 5.25
Prefixes being announced from the LACNIC address blocks: 56373
Unique aggregates announced from the LACNIC address blocks: 26057
LACNIC Region origin ASes present in the Internet Routing Table: 2016
LACNIC Prefixes per ASN: 27.96
LACNIC Region origin ASes announcing only one prefix: 569
LACNIC Region transit ASes present in the Internet Routing Table: 377
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: 839
Number of LACNIC addresses announced to Internet: 139073296
Equivalent to 8 /8s, 74 /16s and 23 /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: 11702
Total AfriNIC prefixes after maximum aggregation: 2562
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12316
Unique aggregates announced from the AfriNIC address blocks: 3989
AfriNIC Region origin ASes present in the Internet Routing Table: 652
AfriNIC Prefixes per ASN: 18.89
AfriNIC Region origin ASes announcing only one prefix: 194
AfriNIC Region transit ASes present in the Internet Routing Table: 135
Average AfriNIC Region AS path length visible: 4.8
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: 46548480
Equivalent to 2 /8s, 198 /16s and 70 /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 2923 11561 924 Korea Telecom (KIX)
17974 2671 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2074 320 111 TPG Internet Pty Ltd
4755 1771 391 188 TATA Communications formerly
9829 1535 1238 40 BSNL National Internet Backbo
9583 1232 92 505 Sify Limited
4808 1189 2134 349 CNCGROUP IP network: China169
9498 1187 309 71 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
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 2041 2933 124 Cox Communications, Inc.
1785 2013 679 125 PaeTec Communications, Inc.
20115 1679 1650 627 Charter Communications
4323 1616 1103 410 Time Warner Telecom
701 1531 11136 798 UUNET Technologies, Inc.
30036 1349 304 631 Mediacom Communications Corp
7018 1314 11261 827 AT&T WorldNet Services
11492 1228 223 356 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 1746 544 16 Corbina telecom
34984 1331 244 221 BILISIM TELEKOM
20940 1033 380 799 Akamai Technologies European
31148 987 43 17 FreeNet ISP
6830 894 2367 426 UPC Distribution Services
13188 847 99 70 Educational Network
8551 749 370 41 Bezeq International
12479 677 799 49 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 3271 1726 103 NET Servicos de Comunicao S.A
10620 2560 418 246 TVCABLE BOGOTA
7303 1711 1134 227 Telecom Argentina Stet-France
18881 1432 844 20 Global Village Telecom
8151 1288 2780 396 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 836 93 94 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 1864 112 5 MOBITEL
24863 841 274 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 445 956 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 3271 1726 103 NET Servicos de Comunicao S.A
6389 3067 3689 62 bellsouth.net, inc.
4766 2923 11561 924 Korea Telecom (KIX)
17974 2671 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2560 418 246 TVCABLE BOGOTA
7545 2074 320 111 TPG Internet Pty Ltd
18566 2065 382 184 Covad Communications
22773 2041 2933 124 Cox Communications, Inc.
1785 2013 679 125 PaeTec Communications, Inc.
36998 1864 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 3067 3005 bellsouth.net, inc.
17974 2671 2580 PT TELEKOMUNIKASI INDONESIA
10620 2560 2314 TVCABLE BOGOTA
4766 2923 1999 Korea Telecom (KIX)
7545 2074 1963 TPG Internet Pty Ltd
22773 2041 1917 Cox Communications, Inc.
1785 2013 1888 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
36998 1864 1859 MOBITEL
8402 1746 1730 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 /15:1626 /16:12797 /17:6700 /18:11180
/19:22963 /20:32529 /21:35108 /22:49618 /23:42975 /24:247743
/25:834 /26:988 /27:482 /28:47 /29:79 /30:18
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1829 1864 MOBITEL
6389 1712 3067 bellsouth.net, inc.
8402 1464 1746 Corbina telecom
22773 1328 2041 Cox Communications, Inc.
30036 1210 1349 Mediacom Communications Corp
11492 1187 1228 Cable One
1785 1084 2013 PaeTec Communications, Inc.
6983 1025 1152 ITC^Deltacom
22561 932 1198 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:814 2:858 3:3 4:17 5:965 6:19
8:604 12:1894 13:3 14:870 15:11 16:3
17:12 18:19 20:21 23:405 24:1746 27:1573
31:1451 32:45 33:2 34:5 36:76 37:1840
38:907 39:3 40:179 41:3331 42:253 44:13
46:1996 47:6 49:666 50:828 52:12 54:38
55:7 57:26 58:1168 59:600 60:343 61:1416
62:1197 63:1989 64:4561 65:2361 66:4168 67:2086
68:1087 69:3298 70:865 71:495 72:2005 74:2555
75:327 76:303 77:1175 78:1054 79:621 80:1334
81:1030 82:633 83:581 84:582 85:1266 86:484
87:1051 88:556 89:1800 90:158 91:5681 92:604
93:1639 94:2018 95:1568 96:518 97:342 98:1040
99:44 100:31 101:608 103:3300 105:519 106:142
107:208 108:507 109:1882 110:968 111:1123 112:571
113:797 114:729 115:1001 116:977 117:820 118:1153
119:1284 120:362 121:736 122:1873 123:1255 124:1384
125:1424 128:621 129:320 130:321 131:674 132:350
133:161 134:540 135:67 136:272 137:268 138:347
139:180 140:206 141:326 142:553 143:426 144:501
145:99 146:519 147:500 148:685 149:352 150:154
151:585 152:413 153:195 154:46 155:487 156:276
157:421 158:285 159:763 160:353 161:453 162:679
163:229 164:623 165:569 166:259 167:611 168:1043
169:127 170:1085 171:193 172:25 173:1604 174:663
175:499 176:1196 177:2302 178:1892 179:139 180:1527
181:719 182:1272 183:460 184:626 185:860 186:2543
187:1463 188:1862 189:1327 190:7108 192:6937 193:5662
194:4067 195:3321 196:1353 197:1007 198:4682 199:5445
200:6020 201:2532 202:8946 203:8896 204:4524 205:2624
206:2845 207:2887 208:4005 209:3596 210:2936 211:1554
212:2282 213:2036 214:939 215:99 216:5295 217:1652
218:622 219:313 220:1278 221:559 222:326 223:501
End of report