Routing Table Report 08:00 +10GMT Thu 01 May, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 488191
Prefixes after maximum aggregation: 192351
Deaggregation factor: 2.54
Unique aggregates announced to Internet: 243490
Total ASes present in the Internet Routing Table: 46612
Prefixes per ASN: 10.47
Origin-only ASes present in the Internet Routing Table: 35793
Origin ASes announcing only one prefix: 16410
Transit ASes present in the Internet Routing Table: 5949
Transit-only ASes present in the Internet Routing Table: 148
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 33
Max AS path prepend of ASN ( 55644) 29
Prefixes from unregistered ASNs in the Routing Table: 1846
Unregistered ASNs in the Routing Table: 461
Number of 32-bit ASNs allocated by the RIRs: 6488
Number of 32-bit ASNs visible in the Routing Table: 4870
Prefixes from 32-bit ASNs in the Routing Table: 16195
Number of bogon 32-bit ASNs visible in the Routing Table: 134
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 463
Number of addresses announced to Internet: 2698529536
Equivalent to 160 /8s, 216 /16s and 75 /24s
Percentage of available address space announced: 72.9
Percentage of allocated address space announced: 72.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.3
Total number of prefixes smaller than registry allocations: 169566
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 112719
Total APNIC prefixes after maximum aggregation: 34237
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 116298
Unique aggregates announced from the APNIC address blocks: 49829
APNIC Region origin ASes present in the Internet Routing Table: 4887
APNIC Prefixes per ASN: 23.80
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 825
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 33
Number of APNIC region 32-bit ASNs visible in the Routing Table: 928
Number of APNIC addresses announced to Internet: 731201280
Equivalent to 43 /8s, 149 /16s and 63 /24s
Percentage of available APNIC address space announced: 85.5
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: 167125
Total ARIN prefixes after maximum aggregation: 82927
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 168614
Unique aggregates announced from the ARIN address blocks: 79357
ARIN Region origin ASes present in the Internet Routing Table: 16190
ARIN Prefixes per ASN: 10.41
ARIN Region origin ASes announcing only one prefix: 6108
ARIN Region transit ASes present in the Internet Routing Table: 1629
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 93
Number of ARIN addresses announced to Internet: 1074136320
Equivalent to 64 /8s, 6 /16s and 5 /24s
Percentage of available ARIN address space announced: 56.8
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: 123447
Total RIPE prefixes after maximum aggregation: 62540
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 128017
Unique aggregates announced from the RIPE address blocks: 80798
RIPE Region origin ASes present in the Internet Routing Table: 17688
RIPE Prefixes per ASN: 7.24
RIPE Region origin ASes announcing only one prefix: 8298
RIPE Region transit ASes present in the Internet Routing Table: 2856
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2697
Number of RIPE addresses announced to Internet: 657702144
Equivalent to 39 /8s, 51 /16s and 189 /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, 196608-202239
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: 55918
Total LACNIC prefixes after maximum aggregation: 9958
LACNIC Deaggregation factor: 5.62
Prefixes being announced from the LACNIC address blocks: 62194
Unique aggregates announced from the LACNIC address blocks: 28822
LACNIC Region origin ASes present in the Internet Routing Table: 2085
LACNIC Prefixes per ASN: 29.83
LACNIC Region origin ASes announcing only one prefix: 554
LACNIC Region transit ASes present in the Internet Routing Table: 417
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1128
Number of LACNIC addresses announced to Internet: 158657280
Equivalent to 9 /8s, 116 /16s and 235 /24s
Percentage of available LACNIC address space announced: 94.6
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: 11934
Total AfriNIC prefixes after maximum aggregation: 2652
AfriNIC Deaggregation factor: 4.50
Prefixes being announced from the AfriNIC address blocks: 12604
Unique aggregates announced from the AfriNIC address blocks: 4291
AfriNIC Region origin ASes present in the Internet Routing Table: 719
AfriNIC Prefixes per ASN: 17.53
AfriNIC Region origin ASes announcing only one prefix: 207
AfriNIC Region transit ASes present in the Internet Routing Table: 141
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 54200832
Equivalent to 3 /8s, 59 /16s and 10 /24s
Percentage of available AfriNIC address space announced: 53.8
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
17974 2800 903 78 PT Telekomunikasi Indonesia
4766 2217 11583 629 Korea Telecom
7545 2174 320 117 TPG Telecom Limited
4755 1857 396 187 TATA Communications formerly
9829 1622 1288 35 National Internet Backbone
9583 1323 104 543 Sify Limited
9498 1258 314 86 BHARTI Airtel Ltd.
7552 1219 1082 13 Viettel Corporation
24560 1126 385 175 Bharti Airtel Ltd., Telemedia
4808 1081 2039 317 CNCGROUP IP network China169
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
22773 3085 2937 135 Cox Communications Inc.
6389 2974 3688 53 BellSouth.net Inc.
1785 2197 699 133 PaeTec Communications, Inc.
18566 2044 379 177 MegaPath Corporation
20115 1705 1690 565 Charter Communications
4323 1635 1089 408 tw telecom holdings, inc.
701 1483 11158 752 MCI Communications Services,
30036 1404 304 537 Mediacom Communications Corp
6983 1327 800 307 ITC^Deltacom
22561 1298 402 232 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
34984 1709 264 271 TELLCOM ILETISIM HIZMETLERI A
8402 1505 544 15 OJSC "Vimpelcom"
20940 1294 497 971 Akamai International B.V.
13188 1049 100 28 TOV "Bank-Inform"
8551 1020 370 41 Bezeq International-Ltd
31148 1018 45 19 Freenet Ltd.
6849 826 359 29 JSC "Ukrtelecom"
6830 767 2333 427 Liberty Global Operations B.V
12479 720 797 56 France Telecom Espana SA
9198 574 344 25 JSC Kazakhtelecom
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3720 1956 97 NET Serviços de Comunicação S
10620 2845 459 200 Telmex Colombia S.A.
18881 1965 972 21 Global Village Telecom
7303 1753 1174 228 Telecom Argentina S.A.
8151 1387 2930 404 Uninet S.A. de C.V.
6503 1108 434 60 Axtel, S.A.B. de C.V.
7738 914 1754 40 Telemar Norte Leste S.A.
27947 867 114 52 Telconet S.A
11830 844 364 15 Instituto Costarricense de El
26615 843 2325 35 Tim Celular S.A.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1114 240 6 Sudanese Mobile Telephone (ZA
24863 947 280 26 Link Egypt (Link.NET)
6713 614 722 28 Office National des Postes et
8452 562 956 9 TE-AS
24835 304 144 9 Vodafone Data
37054 304 19 6 Data Telecom Service
36992 273 783 24 ETISALAT MISR
3741 248 921 209 Internet Solutions
29571 221 21 20 Cote d'Ivoire Telecom
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3720 1956 97 NET Serviços de Comunicação S
22773 3085 2937 135 Cox Communications Inc.
6389 2974 3688 53 BellSouth.net Inc.
10620 2845 459 200 Telmex Colombia S.A.
17974 2800 903 78 PT Telekomunikasi Indonesia
4766 2217 11583 629 Korea Telecom
1785 2197 699 133 PaeTec Communications, Inc.
7545 2174 320 117 TPG Telecom Limited
18566 2044 379 177 MegaPath Corporation
18881 1965 972 21 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3085 2950 Cox Communications Inc.
6389 2974 2921 BellSouth.net Inc.
17974 2800 2722 PT Telekomunikasi Indonesia
10620 2845 2645 Telmex Colombia S.A.
1785 2197 2064 PaeTec Communications, Inc.
7545 2174 2057 TPG Telecom Limited
18881 1965 1944 Global Village Telecom
18566 2044 1867 MegaPath Corporation
4755 1857 1670 TATA Communications formerly
4766 2217 1588 Korea Telecom
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio
22511 UNALLOCATED 8.28.225.0/24 3356 Level 3 Communicatio
22511 UNALLOCATED 8.36.68.0/24 3356 Level 3 Communicatio
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
65333 PRIVATE 10.0.0.0/8 0 *
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Reserved
100.64.0.0/10 65333 Reserved
169.254.0.0/16 65333 Reserved
172.16.0.0/12 65333 Reserved
192.0.0.0/24 65333 Reserved
192.0.2.0/24 65333 Reserved
192.168.0.0/16 0 *
198.18.0.0/15 65333 Reserved
198.51.100.0/24 65333 Reserved
203.0.113.0/24 65333 Reserved
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
41.73.13.0/24 37004 >>UNKNOWN<<
41.73.14.0/24 37004 >>UNKNOWN<<
41.73.15.0/24 37004 >>UNKNOWN<<
41.73.16.0/24 37004 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/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 /8:17 /9:12 /10:32 /11:90 /12:258
/13:479 /14:966 /15:1692 /16:12925 /17:6817 /18:11509
/19:24163 /20:33957 /21:36573 /22:52809 /23:45784 /24:259403
/25:9 /26:11 /27:13 /28:113 /29:231 /30:195
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2326 3085 Cox Communications Inc.
18566 1999 2044 MegaPath Corporation
6389 1692 2974 BellSouth.net Inc.
30036 1241 1404 Mediacom Communications Corp
11492 1194 1237 CABLE ONE, INC.
8402 1184 1505 OJSC "Vimpelcom"
1785 1163 2197 PaeTec Communications, Inc.
36998 1080 1114 Sudanese Mobile Telephone (ZA
6983 1043 1327 ITC^Deltacom
34984 1038 1709 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1026 2:726 3:3 4:15 5:986 6:19
8:678 12:1847 13:4 14:957 15:13 16:2
17:31 18:21 20:36 23:846 24:1732 25:1
27:1740 31:1474 32:35 33:2 34:5 36:135
37:1880 38:946 39:6 40:196 41:3215 42:244
44:10 46:2157 47:19 49:695 50:916 52:12
54:47 55:7 57:33 58:1145 59:603 60:402
61:1518 62:1293 63:1966 64:4372 65:2271 66:4154
67:2046 68:1036 69:3297 70:873 71:444 72:2016
74:2652 75:311 76:418 77:1511 78:938 79:708
80:1297 81:1164 82:740 83:755 84:712 85:1259
86:468 87:1177 88:481 89:1804 90:140 91:5673
92:694 93:1709 94:2044 95:1472 96:543 97:349
98:1079 99:48 100:54 101:600 103:4724 105:534
106:172 107:575 108:559 109:2089 110:966 111:1290
112:643 113:835 114:783 115:1088 116:1037 117:911
118:1369 119:1321 120:353 121:794 122:1881 123:1284
124:1354 125:1402 128:605 129:303 130:329 131:653
132:383 133:162 134:322 135:74 136:254 137:320
138:351 139:168 140:184 141:355 142:564 143:416
144:497 145:103 146:595 147:445 148:870 149:347
150:167 151:635 152:421 153:218 154:273 155:480
156:332 157:337 158:245 159:807 160:337 161:527
162:1335 163:192 164:677 165:609 166:277 167:610
168:1026 169:123 170:1388 171:191 172:22 173:1641
174:701 175:585 176:1408 177:2877 178:1964 179:601
180:1709 181:1119 182:1540 183:508 184:712 185:1570
186:2749 187:1522 188:1913 189:1462 190:7497 191:220
192:7173 193:5499 194:4047 195:3484 196:1392 197:699
198:4968 199:5548 200:6218 201:2646 202:8824 203:8758
204:4566 205:2691 206:2852 207:2874 208:3980 209:3712
210:2988 211:1668 212:2223 213:2065 214:913 215:86
216:5424 217:1690 218:569 219:309 220:1275 221:599
222:343 223:576
End of report
