Routing Table Report 08:00 +10GMT Wed 24 Jun, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 539502
Prefixes after maximum aggregation (per Origin AS): 206347
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 267614
Total ASes present in the Internet Routing Table: 50532
Prefixes per ASN: 10.68
Origin-only ASes present in the Internet Routing Table: 36680
Origin ASes announcing only one prefix: 16257
Transit ASes present in the Internet Routing Table: 6197
Transit-only ASes present in the Internet Routing Table: 149
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 49
Max AS path prepend of ASN ( 55644) 46
Prefixes from unregistered ASNs in the Routing Table: 1117
Unregistered ASNs in the Routing Table: 423
Number of 32-bit ASNs allocated by the RIRs: 9925
Number of 32-bit ASNs visible in the Routing Table: 7655
Prefixes from 32-bit ASNs in the Routing Table: 28005
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 403
Number of addresses announced to Internet: 2802607616
Equivalent to 167 /8s, 12 /16s and 102 /24s
Percentage of available address space announced: 75.7
Percentage of allocated address space announced: 75.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.4
Total number of prefixes smaller than registry allocations: 181217
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 128558
Total APNIC prefixes after maximum aggregation: 38096
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 135865
Unique aggregates announced from the APNIC address blocks: 57429
APNIC Region origin ASes present in the Internet Routing Table: 5030
APNIC Prefixes per ASN: 27.01
APNIC Region origin ASes announcing only one prefix: 1220
APNIC Region transit ASes present in the Internet Routing Table: 857
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 49
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1505
Number of APNIC addresses announced to Internet: 749427456
Equivalent to 44 /8s, 171 /16s and 91 /24s
Percentage of available APNIC address space announced: 87.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 131072-135580
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: 176813
Total ARIN prefixes after maximum aggregation: 87465
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 179523
Unique aggregates announced from the ARIN address blocks: 85032
ARIN Region origin ASes present in the Internet Routing Table: 16532
ARIN Prefixes per ASN: 10.86
ARIN Region origin ASes announcing only one prefix: 6092
ARIN Region transit ASes present in the Internet Routing Table: 1691
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 493
Number of ARIN addresses announced to Internet: 1100945664
Equivalent to 65 /8s, 159 /16s and 25 /24s
Percentage of available ARIN address space announced: 58.2
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, 64198-64296, 393216-395164
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: 133207
Total RIPE prefixes after maximum aggregation: 66284
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 139514
Unique aggregates announced from the RIPE address blocks: 86553
RIPE Region origin ASes present in the Internet Routing Table: 17965
RIPE Prefixes per ASN: 7.77
RIPE Region origin ASes announcing only one prefix: 8130
RIPE Region transit ASes present in the Internet Routing Table: 2938
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3788
Number of RIPE addresses announced to Internet: 695724544
Equivalent to 41 /8s, 119 /16s and 234 /24s
Percentage of available RIPE address space announced: 101.1
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, 196608-204287
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: 59912
Total LACNIC prefixes after maximum aggregation: 11371
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 70372
Unique aggregates announced from the LACNIC address blocks: 33005
LACNIC Region origin ASes present in the Internet Routing Table: 2432
LACNIC Prefixes per ASN: 28.94
LACNIC Region origin ASes announcing only one prefix: 620
LACNIC Region transit ASes present in the Internet Routing Table: 489
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1745
Number of LACNIC addresses announced to Internet: 168039168
Equivalent to 10 /8s, 4 /16s and 19 /24s
Percentage of available LACNIC address space announced: 100.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-265628 + 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: 12033
Total AfriNIC prefixes after maximum aggregation: 3084
AfriNIC Deaggregation factor: 3.90
Prefixes being announced from the AfriNIC address blocks: 13824
Unique aggregates announced from the AfriNIC address blocks: 5229
AfriNIC Region origin ASes present in the Internet Routing Table: 738
AfriNIC Prefixes per ASN: 18.73
AfriNIC Region origin ASes announcing only one prefix: 195
AfriNIC Region transit ASes present in the Internet Routing Table: 159
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 124
Number of AfriNIC addresses announced to Internet: 65692928
Equivalent to 3 /8s, 234 /16s and 101 /24s
Percentage of available AfriNIC address space announced: 65.3
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
17974 2697 904 78 PT Telekomunikasi Indonesia
7545 2480 336 128 TPG Telecom Limited
4766 2215 11296 642 Korea Telecom
4755 2017 423 222 TATA Communications formerly
9829 1740 1351 116 National Internet Backbone
9808 1496 8639 18 Guangdong Mobile Communicatio
9583 1479 118 575 Sify Limited
9498 1352 336 106 BHARTI Airtel Ltd.
38197 1291 77 143 Sun Network (Hong Kong) Limit
24560 1239 417 188 Bharti Airtel Ltd., Telemedia
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 3177 2958 140 Cox Communications Inc.
6389 2793 3688 51 BellSouth.net Inc.
18566 2050 380 192 MegaPath Corporation
20115 1888 1853 422 Charter Communications
6983 1745 850 243 EarthLink, Inc.
4323 1611 1038 411 tw telecom holdings, inc.
30036 1576 323 434 Mediacom Communications Corp
701 1397 11369 681 MCI Communications Services,
22561 1355 414 250 CenturyTel Internet Holdings,
7018 1204 19071 855 AT&T Services, Inc.
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
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
34984 2137 305 363 TELLCOM ILETISIM HIZMETLERI A
20940 1959 772 1425 Akamai International B.V.
6849 1210 355 22 JSC "Ukrtelecom"
31148 1048 45 23 Freenet Ltd.
13188 1042 97 72 TOV "Bank-Inform"
8402 1002 544 15 OJSC "Vimpelcom"
12479 947 868 72 France Telecom Espana SA
6830 913 2694 469 Liberty Global Operations B.V
8551 872 376 52 Bezeq International-Ltd
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
10620 3249 531 242 Telmex Colombia S.A.
28573 2274 2170 113 NET Serviços de Comunicação S
8151 1690 3241 469 Uninet S.A. de C.V.
7303 1639 1019 238 Telecom Argentina S.A.
6147 1615 373 44 Telefonica del Peru S.A.A.
6503 1264 437 55 Axtel, S.A.B. de C.V.
26615 1077 2325 35 Tim Celular S.A.
7738 996 1882 41 Telemar Norte Leste S.A.
3816 954 429 163 COLOMBIA TELECOMUNICACIONES S
11830 902 364 15 Instituto Costarricense de El
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
24863 875 280 26 Link Egypt (Link.NET)
8452 806 958 13 TE-AS
36903 511 257 103 Office National des Postes et
36992 423 1229 32 ETISALAT MISR
37492 312 175 71 Orange Tunisie
24835 304 146 12 Vodafone Data
3741 250 857 208 Internet Solutions
29571 241 21 12 Cote d'Ivoire Telecom
36947 191 807 13 Telecom Algeria
37054 189 19 6 Data Telecom Service
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
10620 3249 531 242 Telmex Colombia S.A.
22773 3177 2958 140 Cox Communications Inc.
6389 2793 3688 51 BellSouth.net Inc.
17974 2697 904 78 PT Telekomunikasi Indonesia
7545 2480 336 128 TPG Telecom Limited
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2274 2170 113 NET Serviços de Comunicação S
4766 2215 11296 642 Korea Telecom
34984 2137 305 363 TELLCOM ILETISIM HIZMETLERI A
18566 2050 380 192 MegaPath Corporation
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 3177 3037 Cox Communications Inc.
6389 2793 2742 BellSouth.net Inc.
17974 2697 2619 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2480 2352 TPG Telecom Limited
28573 2274 2161 NET Serviços de Comunicação S
18566 2050 1858 MegaPath Corporation
4755 2017 1795 TATA Communications formerly
34984 2137 1774 TELLCOM ILETISIM HIZMETLERI A
9829 1740 1624 National Internet Backbone
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
46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
65333 PRIVATE 10.0.0.0/8 0 *
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
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 65333 Reserved
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
5.100.241.0/24 23456 32bit Transition AS
23.226.112.0/20 62788 >>UNKNOWN<<
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.13.0/24 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 /8:18 /9:13 /10:36 /11:96 /12:264
/13:506 /14:1007 /15:1729 /16:12908 /17:7217 /18:12180
/19:25163 /20:35565 /21:37829 /22:59487 /23:50935 /24:293722
/25:10 /26:10 /27:12 /28:104 /29:241 /30:345
/31:0 /32:105
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2379 3177 Cox Communications Inc.
18566 2000 2050 MegaPath Corporation
6389 1640 2793 BellSouth.net Inc.
30036 1399 1576 Mediacom Communications Corp
6983 1394 1745 EarthLink, Inc.
34984 1394 2137 TELLCOM ILETISIM HIZMETLERI A
6147 1168 1615 Telefonica del Peru S.A.A.
10620 1145 3249 Telmex Colombia S.A.
11492 1110 1193 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1459 2:676 4:18 5:1869 6:25 8:818
11:1 12:1821 13:14 14:1285 15:16 16:2
17:43 18:22 20:48 23:1245 24:1733 27:1899
31:1590 32:35 33:2 34:4 35:3 36:138
37:1963 38:1031 39:6 40:83 41:2663 42:299
43:1311 44:28 45:761 46:2293 47:45 49:904
50:814 52:12 54:77 55:7 56:6 57:46
58:1276 59:690 60:476 61:1726 62:1361 63:1888
64:4455 65:2264 66:4068 67:2070 68:1065 69:3245
70:1024 71:448 72:1976 74:2658 75:339 76:425
77:1283 78:1171 79:787 80:1352 81:1292 82:830
83:723 84:715 85:1400 86:418 87:1046 88:525
89:1859 90:152 91:5991 92:864 93:2244 94:2077
95:2165 96:424 97:353 98:1054 99:51 100:72
101:830 103:7611 104:1826 105:61 106:235 107:990
108:613 109:2059 110:1108 111:1435 112:820 113:1076
114:819 115:1260 116:1350 117:1025 118:1762 119:1444
120:437 121:1056 122:2099 123:1837 124:1465 125:1581
128:587 129:379 130:387 131:1188 132:442 133:177
134:396 135:94 136:323 137:316 138:901 139:150
140:206 141:439 142:654 143:503 144:546 145:119
146:728 147:573 148:1209 149:416 150:559 151:667
152:517 153:246 154:472 155:867 156:411 157:418
158:344 159:913 160:384 161:657 162:1928 163:408
164:666 165:689 166:309 167:836 168:1314 169:176
170:1463 171:237 172:230 173:1548 174:720 175:686
176:1362 177:3760 178:2160 179:941 180:1921 181:1662
182:1745 183:625 184:750 185:3719 186:2746 187:1772
188:2044 189:1590 190:7755 191:1039 192:8442 193:5612
194:4166 195:3670 196:1978 197:991 198:5449 199:5464
200:6657 201:3254 202:8945 203:9070 204:4628 205:2808
206:2934 207:2903 208:3972 209:3929 210:3213 211:1783
212:2519 213:2331 214:847 215:72 216:5745 217:1800
218:673 219:330 220:1431 221:767 222:395 223:739
End of report