Summary
| ASN | AS18881 TELEFÔNICA BRASIL S.A |
| BGP | 186.215.0.0/20 |
| IPs with RDNS | 256 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 186.215.13.0 | 186.215.13.0.static.host.gvt.net.br | 0 | ||
| 186.215.13.1 | gvt-b-se04.rjo.gvt.net.br | 0 | ||
| 186.215.13.2 | 186.215.13.2.static.host.gvt.net.br | 0 | ||
| 186.215.13.3 | 186.215.13.3.static.host.gvt.net.br | 0 | ||
| 186.215.13.4 | 186.215.13.4.static.host.gvt.net.br | 0 | ||
| 186.215.13.5 | 186.215.13.5.static.host.gvt.net.br | 0 | ||
| 186.215.13.6 | 186.215.13.6.static.host.gvt.net.br | 0 | ||
| 186.215.13.7 | 186.215.13.7.static.host.gvt.net.br | 0 | ||
| 186.215.13.8 | 186.215.13.8.static.host.gvt.net.br | 0 | ||
| 186.215.13.9 | 186.215.13.9.static.host.gvt.net.br | 0 | ||
| 186.215.13.10 | 186.215.13.10.static.host.gvt.net.br | 0 | ||
| 186.215.13.11 | 186.215.13.11.static.host.gvt.net.br | 0 | ||
| 186.215.13.12 | 186.215.13.12.static.host.gvt.net.br | 0 | ||
| 186.215.13.13 | 186.215.13.13.static.host.gvt.net.br | 0 | ||
| 186.215.13.14 | 186.215.13.14.static.host.gvt.net.br | 0 | ||
| 186.215.13.15 | 186.215.13.15.static.host.gvt.net.br | 0 | ||
| 186.215.13.16 | 186.215.13.16.static.host.gvt.net.br | 0 | ||
| 186.215.13.17 | 186.215.13.17.static.host.gvt.net.br | 0 | ||
| 186.215.13.18 | 186.215.13.18.static.host.gvt.net.br | 0 | ||
| 186.215.13.19 | 186.215.13.19.static.host.gvt.net.br | 0 | ||
| 186.215.13.20 | 186.215.13.20.static.host.gvt.net.br | 0 | ||
| 186.215.13.21 | 186.215.13.21.static.host.gvt.net.br | 0 | ||
| 186.215.13.22 | 186.215.13.22.static.host.gvt.net.br | 0 | ||
| 186.215.13.23 | 186.215.13.23.static.host.gvt.net.br | 0 | ||
| 186.215.13.24 | 186.215.13.24.static.host.gvt.net.br | 0 | ||
| 186.215.13.25 | 186.215.13.25.static.host.gvt.net.br | 0 | ||
| 186.215.13.26 | 186.215.13.26.static.host.gvt.net.br | 0 | ||
| 186.215.13.27 | 186.215.13.27.static.host.gvt.net.br | 0 | ||
| 186.215.13.28 | 186.215.13.28.static.host.gvt.net.br | 0 | ||
| 186.215.13.29 | 186.215.13.29.static.host.gvt.net.br | 0 | ||
| 186.215.13.30 | 186.215.13.30.static.host.gvt.net.br | 0 | ||
| 186.215.13.31 | 186.215.13.31.static.host.gvt.net.br | 0 | ||
| 186.215.13.32 | 186.215.13.32.static.host.gvt.net.br | 0 | ||
| 186.215.13.33 | 186.215.13.33.static.host.gvt.net.br | 0 | ||
| 186.215.13.34 | 186.215.13.34.static.host.gvt.net.br | 0 | ||
| 186.215.13.35 | 186.215.13.35.static.host.gvt.net.br | 0 | ||
| 186.215.13.36 | 186.215.13.36.static.host.gvt.net.br | 0 | ||
| 186.215.13.37 | 186.215.13.37.static.host.gvt.net.br | 0 | ||
| 186.215.13.38 | 186.215.13.38.static.host.gvt.net.br | 0 | ||
| 186.215.13.39 | 186.215.13.39.static.host.gvt.net.br | 0 | ||
| 186.215.13.40 | 186.215.13.40.static.host.gvt.net.br | 0 | ||
| 186.215.13.41 | 186.215.13.41.static.host.gvt.net.br | 0 | ||
| 186.215.13.42 | 186.215.13.42.static.host.gvt.net.br | 0 | ||
| 186.215.13.43 | 186.215.13.43.static.host.gvt.net.br | 0 | ||
| 186.215.13.44 | 186.215.13.44.static.host.gvt.net.br | 0 | ||
| 186.215.13.45 | 186.215.13.45.static.host.gvt.net.br | 0 | ||
| 186.215.13.46 | 186.215.13.46.static.host.gvt.net.br | 0 | ||
| 186.215.13.47 | 186.215.13.47.static.host.gvt.net.br | 0 | ||
| 186.215.13.48 | 186.215.13.48.static.host.gvt.net.br | 0 | ||
| 186.215.13.49 | 186.215.13.49.static.host.gvt.net.br | 0 | ||
| 186.215.13.50 | 186.215.13.50.static.host.gvt.net.br | 0 | ||
| 186.215.13.51 | 186.215.13.51.static.host.gvt.net.br | 0 | ||
| 186.215.13.52 | 186.215.13.52.static.host.gvt.net.br | 0 | ||
| 186.215.13.53 | 186.215.13.53.static.host.gvt.net.br | 0 | ||
| 186.215.13.54 | 186.215.13.54.static.host.gvt.net.br | 0 | ||
| 186.215.13.55 | 186.215.13.55.static.host.gvt.net.br | 0 | ||
| 186.215.13.56 | 186.215.13.56.static.host.gvt.net.br | 0 | ||
| 186.215.13.57 | 186.215.13.57.static.host.gvt.net.br | 0 | ||
| 186.215.13.58 | 186.215.13.58.static.host.gvt.net.br | 0 | ||
| 186.215.13.59 | 186.215.13.59.static.host.gvt.net.br | 0 | ||
| 186.215.13.60 | 186.215.13.60.static.host.gvt.net.br | 0 | ||
| 186.215.13.61 | 186.215.13.61.static.host.gvt.net.br | 0 | ||
| 186.215.13.62 | 186.215.13.62.static.host.gvt.net.br | 0 | ||
| 186.215.13.63 | 186.215.13.63.static.host.gvt.net.br | 0 | ||
| 186.215.13.64 | 186.215.13.64.static.host.gvt.net.br | 0 | ||
| 186.215.13.65 | 186.215.13.65.static.host.gvt.net.br | 0 | ||
| 186.215.13.66 | 186.215.13.66.static.host.gvt.net.br | 0 | ||
| 186.215.13.67 | 186.215.13.67.static.host.gvt.net.br | 0 | ||
| 186.215.13.68 | 186.215.13.68.static.host.gvt.net.br | 0 | ||
| 186.215.13.69 | 186.215.13.69.static.host.gvt.net.br | 0 | ||
| 186.215.13.70 | 186.215.13.70.static.host.gvt.net.br | 0 | ||
| 186.215.13.71 | 186.215.13.71.static.host.gvt.net.br | 0 | ||
| 186.215.13.72 | 186.215.13.72.static.host.gvt.net.br | 0 | ||
| 186.215.13.73 | 186.215.13.73.static.host.gvt.net.br | 0 | ||
| 186.215.13.74 | 186.215.13.74.static.host.gvt.net.br | 0 | ||
| 186.215.13.75 | 186.215.13.75.static.host.gvt.net.br | 0 | ||
| 186.215.13.76 | 186.215.13.76.static.host.gvt.net.br | 0 | ||
| 186.215.13.77 | 186.215.13.77.static.host.gvt.net.br | 0 | ||
| 186.215.13.78 | 186.215.13.78.static.host.gvt.net.br | 0 | ||
| 186.215.13.79 | 186.215.13.79.static.host.gvt.net.br | 0 | ||
| 186.215.13.80 | 186.215.13.80.static.host.gvt.net.br | 0 | ||
| 186.215.13.81 | 186.215.13.81.static.host.gvt.net.br | 0 | ||
| 186.215.13.82 | 186.215.13.82.static.host.gvt.net.br | 0 | ||
| 186.215.13.83 | 186.215.13.83.static.host.gvt.net.br | 0 | ||
| 186.215.13.84 | 186.215.13.84.static.host.gvt.net.br | 0 | ||
| 186.215.13.85 | 186.215.13.85.static.host.gvt.net.br | 0 | ||
| 186.215.13.86 | 186.215.13.86.static.host.gvt.net.br | 0 | ||
| 186.215.13.87 | 186.215.13.87.static.host.gvt.net.br | 0 | ||
| 186.215.13.88 | 186.215.13.88.static.host.gvt.net.br | 0 | ||
| 186.215.13.89 | 186.215.13.89.static.host.gvt.net.br | 0 | ||
| 186.215.13.90 | 186.215.13.90.static.host.gvt.net.br | 0 | ||
| 186.215.13.91 | 186.215.13.91.static.host.gvt.net.br | 0 | ||
| 186.215.13.92 | 186.215.13.92.static.host.gvt.net.br | 0 | ||
| 186.215.13.93 | 186.215.13.93.static.host.gvt.net.br | 0 | ||
| 186.215.13.94 | 186.215.13.94.static.host.gvt.net.br | 0 | ||
| 186.215.13.95 | 186.215.13.95.static.host.gvt.net.br | 0 | ||
| 186.215.13.96 | 186.215.13.96.static.host.gvt.net.br | 0 | ||
| 186.215.13.97 | 186.215.13.97.static.host.gvt.net.br | 0 | ||
| 186.215.13.98 | 186.215.13.98.static.host.gvt.net.br | 0 | ||
| 186.215.13.99 | 186.215.13.99.static.host.gvt.net.br | 0 | ||
| 186.215.13.100 | 186.215.13.100.static.host.gvt.net.br | 0 | ||
| 186.215.13.101 | 186.215.13.101.static.host.gvt.net.br | 0 | ||
| 186.215.13.102 | 186.215.13.102.static.host.gvt.net.br | 0 | ||
| 186.215.13.103 | 186.215.13.103.static.host.gvt.net.br | 0 | ||
| 186.215.13.104 | 186.215.13.104.static.host.gvt.net.br | 0 | ||
| 186.215.13.105 | 186.215.13.105.static.host.gvt.net.br | 0 | ||
| 186.215.13.106 | 186.215.13.106.static.host.gvt.net.br | 0 | ||
| 186.215.13.107 | 186.215.13.107.static.host.gvt.net.br | 0 | ||
| 186.215.13.108 | 186.215.13.108.static.host.gvt.net.br | 0 | ||
| 186.215.13.109 | 186.215.13.109.static.host.gvt.net.br | 0 | ||
| 186.215.13.110 | 186.215.13.110.static.host.gvt.net.br | 0 | ||
| 186.215.13.111 | 186.215.13.111.static.host.gvt.net.br | 0 | ||
| 186.215.13.112 | 186.215.13.112.static.host.gvt.net.br | 0 | ||
| 186.215.13.113 | 186.215.13.113.static.host.gvt.net.br | 0 | ||
| 186.215.13.114 | 186.215.13.114.static.host.gvt.net.br | 0 | ||
| 186.215.13.115 | 186.215.13.115.static.host.gvt.net.br | 0 | ||
| 186.215.13.116 | 186.215.13.116.static.host.gvt.net.br | 0 | ||
| 186.215.13.117 | 186.215.13.117.static.host.gvt.net.br | 0 | ||
| 186.215.13.118 | 186.215.13.118.static.host.gvt.net.br | 0 | ||
| 186.215.13.119 | 186.215.13.119.static.host.gvt.net.br | 0 | ||
| 186.215.13.120 | 186.215.13.120.static.host.gvt.net.br | 0 | ||
| 186.215.13.121 | 186.215.13.121.static.host.gvt.net.br | 0 | ||
| 186.215.13.122 | 186.215.13.122.static.host.gvt.net.br | 0 | ||
| 186.215.13.123 | 186.215.13.123.static.host.gvt.net.br | 0 | ||
| 186.215.13.124 | 186.215.13.124.static.host.gvt.net.br | 0 | ||
| 186.215.13.125 | 186.215.13.125.static.host.gvt.net.br | 0 | ||
| 186.215.13.126 | 186.215.13.126.static.host.gvt.net.br | 0 | ||
| 186.215.13.127 | 186.215.13.127.static.host.gvt.net.br | 0 | ||
| 186.215.13.128 | 186.215.13.128.static.host.gvt.net.br | 0 | ||
| 186.215.13.129 | 186.215.13.129.static.host.gvt.net.br | 0 | ||
| 186.215.13.130 | 186.215.13.130.static.host.gvt.net.br | 0 | ||
| 186.215.13.131 | 186.215.13.131.static.host.gvt.net.br | 0 | ||
| 186.215.13.132 | 186.215.13.132.static.host.gvt.net.br | 0 | ||
| 186.215.13.133 | 186.215.13.133.static.host.gvt.net.br | 0 | ||
| 186.215.13.134 | 186.215.13.134.static.host.gvt.net.br | 0 | ||
| 186.215.13.135 | 186.215.13.135.static.host.gvt.net.br | 0 | ||
| 186.215.13.136 | 186.215.13.136.static.host.gvt.net.br | 0 | ||
| 186.215.13.137 | 186.215.13.137.static.host.gvt.net.br | 0 | ||
| 186.215.13.138 | 186.215.13.138.static.host.gvt.net.br | 0 | ||
| 186.215.13.139 | 186.215.13.139.static.host.gvt.net.br | 0 | ||
| 186.215.13.140 | 186.215.13.140.static.host.gvt.net.br | 0 | ||
| 186.215.13.141 | 186.215.13.141.static.host.gvt.net.br | 0 | ||
| 186.215.13.142 | 186.215.13.142.static.host.gvt.net.br | 0 | ||
| 186.215.13.143 | 186.215.13.143.static.host.gvt.net.br | 0 | ||
| 186.215.13.144 | 186.215.13.144.static.host.gvt.net.br | 0 | ||
| 186.215.13.145 | 186.215.13.145.static.host.gvt.net.br | 0 | ||
| 186.215.13.146 | 186.215.13.146.static.host.gvt.net.br | 0 | ||
| 186.215.13.147 | 186.215.13.147.static.host.gvt.net.br | 0 | ||
| 186.215.13.148 | 186.215.13.148.static.host.gvt.net.br | 0 | ||
| 186.215.13.149 | 186.215.13.149.static.host.gvt.net.br | 0 | ||
| 186.215.13.150 | 186.215.13.150.static.host.gvt.net.br | 0 | ||
| 186.215.13.151 | 186.215.13.151.static.host.gvt.net.br | 0 | ||
| 186.215.13.152 | 186.215.13.152.static.host.gvt.net.br | 0 | ||
| 186.215.13.153 | 186.215.13.153.static.host.gvt.net.br | 0 | ||
| 186.215.13.154 | 186.215.13.154.static.host.gvt.net.br | 0 | ||
| 186.215.13.155 | 186.215.13.155.static.host.gvt.net.br | 0 | ||
| 186.215.13.156 | 186.215.13.156.static.host.gvt.net.br | 0 | ||
| 186.215.13.157 | 186.215.13.157.static.host.gvt.net.br | 0 | ||
| 186.215.13.158 | 186.215.13.158.static.host.gvt.net.br | 0 | ||
| 186.215.13.159 | 186.215.13.159.static.host.gvt.net.br | 0 | ||
| 186.215.13.160 | 186.215.13.160.static.host.gvt.net.br | 0 | ||
| 186.215.13.161 | 186.215.13.161.static.host.gvt.net.br | 0 | ||
| 186.215.13.162 | 186.215.13.162.static.host.gvt.net.br | 0 | ||
| 186.215.13.163 | 186.215.13.163.static.host.gvt.net.br | 0 | ||
| 186.215.13.164 | 186.215.13.164.static.host.gvt.net.br | 0 | ||
| 186.215.13.165 | 186.215.13.165.static.host.gvt.net.br | 0 | ||
| 186.215.13.166 | 186.215.13.166.static.host.gvt.net.br | 0 | ||
| 186.215.13.167 | 186.215.13.167.static.host.gvt.net.br | 0 | ||
| 186.215.13.168 | 186.215.13.168.static.host.gvt.net.br | 0 | ||
| 186.215.13.169 | 186.215.13.169.static.host.gvt.net.br | 0 | ||
| 186.215.13.170 | 186.215.13.170.static.host.gvt.net.br | 0 | ||
| 186.215.13.171 | 186.215.13.171.static.host.gvt.net.br | 0 | ||
| 186.215.13.172 | 186.215.13.172.static.host.gvt.net.br | 0 | ||
| 186.215.13.173 | 186.215.13.173.static.host.gvt.net.br | 0 | ||
| 186.215.13.174 | 186.215.13.174.static.host.gvt.net.br | 0 | ||
| 186.215.13.175 | 186.215.13.175.static.host.gvt.net.br | 0 | ||
| 186.215.13.176 | 186.215.13.176.static.host.gvt.net.br | 0 | ||
| 186.215.13.177 | 186.215.13.177.static.host.gvt.net.br | 0 | ||
| 186.215.13.178 | 186.215.13.178.static.host.gvt.net.br | 0 | ||
| 186.215.13.179 | 186.215.13.179.static.host.gvt.net.br | 0 | ||
| 186.215.13.180 | 186.215.13.180.static.host.gvt.net.br | 0 | ||
| 186.215.13.181 | 186.215.13.181.static.host.gvt.net.br | 0 | ||
| 186.215.13.182 | 186.215.13.182.static.host.gvt.net.br | 0 | ||
| 186.215.13.183 | 186.215.13.183.static.host.gvt.net.br | 0 | ||
| 186.215.13.184 | 186.215.13.184.static.host.gvt.net.br | 0 | ||
| 186.215.13.185 | 186.215.13.185.static.host.gvt.net.br | 0 | ||
| 186.215.13.186 | 186.215.13.186.static.host.gvt.net.br | 0 | ||
| 186.215.13.187 | 186.215.13.187.static.host.gvt.net.br | 0 | ||
| 186.215.13.188 | 186.215.13.188.static.host.gvt.net.br | 0 | ||
| 186.215.13.189 | 186.215.13.189.static.host.gvt.net.br | 0 | ||
| 186.215.13.190 | 186.215.13.190.static.host.gvt.net.br | 0 | ||
| 186.215.13.191 | 186.215.13.191.static.host.gvt.net.br | 0 | ||
| 186.215.13.192 | 186.215.13.192.static.host.gvt.net.br | 0 | ||
| 186.215.13.193 | 186.215.13.193.static.host.gvt.net.br | 0 | ||
| 186.215.13.194 | 186.215.13.194.static.host.gvt.net.br | 0 | ||
| 186.215.13.195 | 186.215.13.195.static.host.gvt.net.br | 0 | ||
| 186.215.13.196 | 186.215.13.196.static.host.gvt.net.br | 0 | ||
| 186.215.13.197 | 186.215.13.197.static.host.gvt.net.br | 0 | ||
| 186.215.13.198 | 186.215.13.198.static.host.gvt.net.br | 0 | ||
| 186.215.13.199 | 186.215.13.199.static.host.gvt.net.br | 0 | ||
| 186.215.13.200 | 186.215.13.200.static.host.gvt.net.br | 0 | ||
| 186.215.13.201 | 186.215.13.201.static.host.gvt.net.br | 0 | ||
| 186.215.13.202 | 186.215.13.202.static.host.gvt.net.br | 0 | ||
| 186.215.13.203 | 186.215.13.203.static.host.gvt.net.br | 0 | ||
| 186.215.13.204 | 186.215.13.204.static.host.gvt.net.br | 0 | ||
| 186.215.13.205 | 186.215.13.205.static.host.gvt.net.br | 0 | ||
| 186.215.13.206 | 186.215.13.206.static.host.gvt.net.br | 0 | ||
| 186.215.13.207 | 186.215.13.207.static.host.gvt.net.br | 0 | ||
| 186.215.13.208 | 186.215.13.208.static.host.gvt.net.br | 0 | ||
| 186.215.13.209 | 186.215.13.209.static.host.gvt.net.br | 0 | ||
| 186.215.13.210 | 186.215.13.210.static.host.gvt.net.br | 0 | ||
| 186.215.13.211 | 186.215.13.211.static.host.gvt.net.br | 0 | ||
| 186.215.13.212 | 186.215.13.212.static.host.gvt.net.br | 0 | ||
| 186.215.13.213 | 186.215.13.213.static.host.gvt.net.br | 0 | ||
| 186.215.13.214 | 186.215.13.214.static.host.gvt.net.br | 0 | ||
| 186.215.13.215 | 186.215.13.215.static.host.gvt.net.br | 0 | ||
| 186.215.13.216 | 186.215.13.216.static.host.gvt.net.br | 0 | ||
| 186.215.13.217 | 186.215.13.217.static.host.gvt.net.br | 0 | ||
| 186.215.13.218 | 186.215.13.218.static.host.gvt.net.br | 0 | ||
| 186.215.13.219 | 186.215.13.219.static.host.gvt.net.br | 0 | ||
| 186.215.13.220 | 186.215.13.220.static.host.gvt.net.br | 0 | ||
| 186.215.13.221 | 186.215.13.221.static.host.gvt.net.br | 0 | ||
| 186.215.13.222 | 186.215.13.222.static.host.gvt.net.br | 0 | ||
| 186.215.13.223 | 186.215.13.223.static.host.gvt.net.br | 0 | ||
| 186.215.13.224 | 186.215.13.224.static.host.gvt.net.br | 0 | ||
| 186.215.13.225 | 186.215.13.225.static.host.gvt.net.br | 0 | ||
| 186.215.13.226 | 186.215.13.226.static.host.gvt.net.br | 0 | ||
| 186.215.13.227 | 186.215.13.227.static.host.gvt.net.br | 0 | ||
| 186.215.13.228 | 186.215.13.228.static.host.gvt.net.br | 0 | ||
| 186.215.13.229 | 186.215.13.229.static.host.gvt.net.br | 0 | ||
| 186.215.13.230 | 186.215.13.230.static.host.gvt.net.br | 0 | ||
| 186.215.13.231 | 186.215.13.231.static.host.gvt.net.br | 0 | ||
| 186.215.13.232 | 186.215.13.232.static.host.gvt.net.br | 0 | ||
| 186.215.13.233 | 186.215.13.233.static.host.gvt.net.br | 0 | ||
| 186.215.13.234 | 186.215.13.234.static.host.gvt.net.br | 0 | ||
| 186.215.13.235 | 186.215.13.235.static.host.gvt.net.br | 0 | ||
| 186.215.13.236 | 186.215.13.236.static.host.gvt.net.br | 0 | ||
| 186.215.13.237 | 186.215.13.237.static.host.gvt.net.br | 0 | ||
| 186.215.13.238 | 186.215.13.238.static.host.gvt.net.br | 0 | ||
| 186.215.13.239 | 186.215.13.239.static.host.gvt.net.br | 0 | ||
| 186.215.13.240 | 186.215.13.240.static.host.gvt.net.br | 0 | ||
| 186.215.13.241 | 186.215.13.241.static.host.gvt.net.br | 0 | ||
| 186.215.13.242 | 186.215.13.242.static.host.gvt.net.br | 0 | ||
| 186.215.13.243 | 186.215.13.243.static.host.gvt.net.br | 0 | ||
| 186.215.13.244 | 186.215.13.244.static.host.gvt.net.br | 0 | ||
| 186.215.13.245 | 186.215.13.245.static.host.gvt.net.br | 0 | ||
| 186.215.13.246 | 186.215.13.246.static.host.gvt.net.br | 0 | ||
| 186.215.13.247 | 186.215.13.247.static.host.gvt.net.br | 0 | ||
| 186.215.13.248 | 186.215.13.248.static.host.gvt.net.br | 0 | ||
| 186.215.13.249 | 186.215.13.249.static.host.gvt.net.br | 0 | ||
| 186.215.13.250 | 186.215.13.250.static.host.gvt.net.br | 0 | ||
| 186.215.13.251 | 186.215.13.251.static.host.gvt.net.br | 0 | ||
| 186.215.13.252 | 186.215.13.252.static.host.gvt.net.br | 0 | ||
| 186.215.13.253 | 186.215.13.253.static.host.gvt.net.br | 0 | ||
| 186.215.13.254 | 186.215.13.254.static.host.gvt.net.br | 0 | ||
| 186.215.13.255 | 186.215.13.255.static.host.gvt.net.br | 0 |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f2 -m5 186.215.13.236
traceroute to 186.215.13.236 (186.215.13.236): 5 hops max, 52 byte packets
3 *
4 *
5 *
Measurement taken from
IPinfo ProbeNet in Tampa, US
On