Summary
| ASN | AS1103 SURF B.V. |
| BGP | 145.160.0.0/12 |
| IPs with RDNS | 256 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 145.173.168.0 | 145.173.early-registration.of.surfnet.invalid | 0 |  | |
| 145.173.168.1 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.2 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.3 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.4 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.5 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.6 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.7 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.8 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.9 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.10 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.11 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.12 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.13 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.14 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.15 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.16 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.17 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.18 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.19 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.20 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.21 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.22 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.23 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.24 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.25 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.26 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.27 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.28 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.29 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.30 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.31 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.32 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.33 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.34 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.35 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.36 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.37 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.38 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.39 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.40 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.41 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.42 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.43 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.44 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.45 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.46 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.47 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.48 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.49 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.50 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.51 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.52 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.53 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.54 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.55 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.56 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.57 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.58 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.59 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.60 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.61 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.62 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.63 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.64 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.65 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.66 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.67 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.68 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.69 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.70 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.71 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.72 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.73 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.74 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.75 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.76 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.77 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.78 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.79 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.80 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.81 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.82 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.83 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.84 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.85 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.86 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.87 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.88 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.89 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.90 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.91 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.92 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.93 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.94 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.95 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.96 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.97 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.98 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.99 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.100 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.101 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.102 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.103 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.104 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.105 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.106 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.107 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.108 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.109 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.110 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.111 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.112 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.113 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.114 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.115 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.116 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.117 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.118 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.119 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.120 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.121 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.122 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.123 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.124 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.125 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.126 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.127 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.128 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.129 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.130 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.131 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.132 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.133 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.134 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.135 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.136 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.137 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.138 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.139 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.140 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.141 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.142 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.143 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.144 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.145 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.146 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.147 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.148 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.149 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.150 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.151 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.152 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.153 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.154 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.155 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.156 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.157 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.158 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.159 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.160 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.161 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.162 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.163 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.164 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.165 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.166 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.167 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.168 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.169 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.170 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.171 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.172 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.173 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.174 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.175 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.176 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.177 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.178 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.179 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.180 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.181 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.182 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.183 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.184 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.185 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.186 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.187 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.188 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.189 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.190 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.191 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.192 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.193 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.194 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.195 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.196 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.197 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.198 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.199 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.200 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.201 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.202 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.203 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.204 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.205 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.206 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.207 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.208 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.209 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.210 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.211 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.212 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.213 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.214 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.215 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.216 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.217 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.218 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.219 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.220 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.221 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.222 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.223 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.224 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.225 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.226 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.227 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.228 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.229 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.230 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.231 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.232 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.233 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.234 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.235 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.236 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.237 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.238 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.239 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.240 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.241 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.242 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.243 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.244 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.245 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.246 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.247 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.248 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.249 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.250 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.251 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.252 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.253 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.254 | 145.173.early-registration.of.surfnet.invalid | 0 | | |
| 145.173.168.255 | 145.173.early-registration.of.surfnet.invalid | 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 -m8 145.173.168.191
traceroute to 145.173.168.191 (145.173.168.191): 8 hops max, 52 byte packets
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8 *
Measurement taken from 
IPinfo ProbeNet in Zuerich, CH
IPinfo ProbeNet in Zuerich, CHOn