L'indirizzo IP 145.2.21 è fornito da SURFnet, che è di proprietà del CIDR (Classless Inter-Domain Routing) 145.2.0.0/15, IP tra 145.2.0.0 a 145.3.255.255 ). Il numero di sistema autonomo (ASN) è 1103.
| ASN | 1103 |
| IP inizia con | 145.2.0.0 |
| IP finale con | 145.3.255.255 |
| ASN Nome | SURFnet |
| CDIR | 145.2.0.0/15 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 28/03/2020 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | NL | Netherlands | - | Zwolle | 52,5125 | 6,0944 | 2020-03-28 |
| MaxMind | NL | Netherlands | - | - | 52,3824 | 4,8995 | 2020-03-28 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.2.21.0 | 2432832768 | 0 |
| 145.2.21.1 | 2432832769 | 0 |
| 145.2.21.2 | 2432832770 | 0 |
| 145.2.21.3 | 2432832771 | 0 |
| 145.2.21.4 | 2432832772 | 0 |
| 145.2.21.5 | 2432832773 | 0 |
| 145.2.21.6 | 2432832774 | 0 |
| 145.2.21.7 | 2432832775 | 0 |
| 145.2.21.8 | 2432832776 | 0 |
| 145.2.21.9 | 2432832777 | 0 |
| 145.2.21.10 | 2432832778 | 0 |
| 145.2.21.11 | 2432832779 | 0 |
| 145.2.21.12 | 2432832780 | 0 |
| 145.2.21.13 | 2432832781 | 0 |
| 145.2.21.14 | 2432832782 | 0 |
| 145.2.21.15 | 2432832783 | 0 |
| 145.2.21.16 | 2432832784 | 0 |
| 145.2.21.17 | 2432832785 | 0 |
| 145.2.21.18 | 2432832786 | 0 |
| 145.2.21.19 | 2432832787 | 0 |
| 145.2.21.20 | 2432832788 | 0 |
| 145.2.21.21 | 2432832789 | 0 |
| 145.2.21.22 | 2432832790 | 0 |
| 145.2.21.23 | 2432832791 | 0 |
| 145.2.21.24 | 2432832792 | 0 |
| 145.2.21.25 | 2432832793 | 0 |
| 145.2.21.26 | 2432832794 | 0 |
| 145.2.21.27 | 2432832795 | 0 |
| 145.2.21.28 | 2432832796 | 0 |
| 145.2.21.29 | 2432832797 | 0 |
| 145.2.21.30 | 2432832798 | 0 |
| 145.2.21.31 | 2432832799 | 0 |
| 145.2.21.32 | 2432832800 | 0 |
| 145.2.21.33 | 2432832801 | 0 |
| 145.2.21.34 | 2432832802 | 0 |
| 145.2.21.35 | 2432832803 | 0 |
| 145.2.21.36 | 2432832804 | 0 |
| 145.2.21.37 | 2432832805 | 0 |
| 145.2.21.38 | 2432832806 | 0 |
| 145.2.21.39 | 2432832807 | 0 |
| 145.2.21.40 | 2432832808 | 0 |
| 145.2.21.41 | 2432832809 | 0 |
| 145.2.21.42 | 2432832810 | 0 |
| 145.2.21.43 | 2432832811 | 0 |
| 145.2.21.44 | 2432832812 | 0 |
| 145.2.21.45 | 2432832813 | 0 |
| 145.2.21.46 | 2432832814 | 0 |
| 145.2.21.47 | 2432832815 | 0 |
| 145.2.21.48 | 2432832816 | 0 |
| 145.2.21.49 | 2432832817 | 0 |
| 145.2.21.50 | 2432832818 | 0 |
| 145.2.21.51 | 2432832819 | 0 |
| 145.2.21.52 | 2432832820 | 0 |
| 145.2.21.53 | 2432832821 | 0 |
| 145.2.21.54 | 2432832822 | 0 |
| 145.2.21.55 | 2432832823 | 0 |
| 145.2.21.56 | 2432832824 | 0 |
| 145.2.21.57 | 2432832825 | 0 |
| 145.2.21.58 | 2432832826 | 0 |
| 145.2.21.59 | 2432832827 | 0 |
| 145.2.21.60 | 2432832828 | 0 |
| 145.2.21.61 | 2432832829 | 0 |
| 145.2.21.62 | 2432832830 | 0 |
| 145.2.21.63 | 2432832831 | 0 |
| 145.2.21.64 | 2432832832 | 0 |
| 145.2.21.65 | 2432832833 | 0 |
| 145.2.21.66 | 2432832834 | 0 |
| 145.2.21.67 | 2432832835 | 0 |
| 145.2.21.68 | 2432832836 | 0 |
| 145.2.21.69 | 2432832837 | 0 |
| 145.2.21.70 | 2432832838 | 0 |
| 145.2.21.71 | 2432832839 | 0 |
| 145.2.21.72 | 2432832840 | 0 |
| 145.2.21.73 | 2432832841 | 0 |
| 145.2.21.74 | 2432832842 | 0 |
| 145.2.21.75 | 2432832843 | 0 |
| 145.2.21.76 | 2432832844 | 0 |
| 145.2.21.77 | 2432832845 | 0 |
| 145.2.21.78 | 2432832846 | 0 |
| 145.2.21.79 | 2432832847 | 0 |
| 145.2.21.80 | 2432832848 | 0 |
| 145.2.21.81 | 2432832849 | 0 |
| 145.2.21.82 | 2432832850 | 0 |
| 145.2.21.83 | 2432832851 | 0 |
| 145.2.21.84 | 2432832852 | 0 |
| 145.2.21.85 | 2432832853 | 0 |
| IP | Numerical IP | DNS |
| 145.2.21.86 | 2432832854 | 0 |
| 145.2.21.87 | 2432832855 | 0 |
| 145.2.21.88 | 2432832856 | 0 |
| 145.2.21.89 | 2432832857 | 0 |
| 145.2.21.90 | 2432832858 | 0 |
| 145.2.21.91 | 2432832859 | 0 |
| 145.2.21.92 | 2432832860 | 0 |
| 145.2.21.93 | 2432832861 | 0 |
| 145.2.21.94 | 2432832862 | 0 |
| 145.2.21.95 | 2432832863 | 0 |
| 145.2.21.96 | 2432832864 | 0 |
| 145.2.21.97 | 2432832865 | 0 |
| 145.2.21.98 | 2432832866 | 0 |
| 145.2.21.99 | 2432832867 | 0 |
| 145.2.21.100 | 2432832868 | 0 |
| 145.2.21.101 | 2432832869 | 0 |
| 145.2.21.102 | 2432832870 | 0 |
| 145.2.21.103 | 2432832871 | 0 |
| 145.2.21.104 | 2432832872 | 0 |
| 145.2.21.105 | 2432832873 | 0 |
| 145.2.21.106 | 2432832874 | 0 |
| 145.2.21.107 | 2432832875 | 0 |
| 145.2.21.108 | 2432832876 | 0 |
| 145.2.21.109 | 2432832877 | 0 |
| 145.2.21.110 | 2432832878 | 0 |
| 145.2.21.111 | 2432832879 | 0 |
| 145.2.21.112 | 2432832880 | 0 |
| 145.2.21.113 | 2432832881 | 0 |
| 145.2.21.114 | 2432832882 | 0 |
| 145.2.21.115 | 2432832883 | 0 |
| 145.2.21.116 | 2432832884 | 0 |
| 145.2.21.117 | 2432832885 | 0 |
| 145.2.21.118 | 2432832886 | 0 |
| 145.2.21.119 | 2432832887 | 0 |
| 145.2.21.120 | 2432832888 | 0 |
| 145.2.21.121 | 2432832889 | 0 |
| 145.2.21.122 | 2432832890 | 0 |
| 145.2.21.123 | 2432832891 | 0 |
| 145.2.21.124 | 2432832892 | 0 |
| 145.2.21.125 | 2432832893 | 0 |
| 145.2.21.126 | 2432832894 | 0 |
| 145.2.21.127 | 2432832895 | 0 |
| 145.2.21.128 | 2432832896 | 0 |
| 145.2.21.129 | 2432832897 | 0 |
| 145.2.21.130 | 2432832898 | 0 |
| 145.2.21.131 | 2432832899 | 0 |
| 145.2.21.132 | 2432832900 | 0 |
| 145.2.21.133 | 2432832901 | 0 |
| 145.2.21.134 | 2432832902 | 0 |
| 145.2.21.135 | 2432832903 | 0 |
| 145.2.21.136 | 2432832904 | 0 |
| 145.2.21.137 | 2432832905 | 0 |
| 145.2.21.138 | 2432832906 | 0 |
| 145.2.21.139 | 2432832907 | 0 |
| 145.2.21.140 | 2432832908 | 0 |
| 145.2.21.141 | 2432832909 | 0 |
| 145.2.21.142 | 2432832910 | 0 |
| 145.2.21.143 | 2432832911 | 0 |
| 145.2.21.144 | 2432832912 | 0 |
| 145.2.21.145 | 2432832913 | 0 |
| 145.2.21.146 | 2432832914 | 0 |
| 145.2.21.147 | 2432832915 | 0 |
| 145.2.21.148 | 2432832916 | 0 |
| 145.2.21.149 | 2432832917 | 0 |
| 145.2.21.150 | 2432832918 | 0 |
| 145.2.21.151 | 2432832919 | 0 |
| 145.2.21.152 | 2432832920 | 0 |
| 145.2.21.153 | 2432832921 | 0 |
| 145.2.21.154 | 2432832922 | 0 |
| 145.2.21.155 | 2432832923 | 0 |
| 145.2.21.156 | 2432832924 | 0 |
| 145.2.21.157 | 2432832925 | 0 |
| 145.2.21.158 | 2432832926 | 0 |
| 145.2.21.159 | 2432832927 | 0 |
| 145.2.21.160 | 2432832928 | 0 |
| 145.2.21.161 | 2432832929 | 0 |
| 145.2.21.162 | 2432832930 | 0 |
| 145.2.21.163 | 2432832931 | 0 |
| 145.2.21.164 | 2432832932 | 0 |
| 145.2.21.165 | 2432832933 | 0 |
| 145.2.21.166 | 2432832934 | 0 |
| 145.2.21.167 | 2432832935 | 0 |
| 145.2.21.168 | 2432832936 | 0 |
| 145.2.21.169 | 2432832937 | 0 |
| 145.2.21.170 | 2432832938 | 0 |
| 145.2.21.171 | 2432832939 | 0 |
| IP | Numerical IP | DNS |
| 145.2.21.172 | 2432832940 | 0 |
| 145.2.21.173 | 2432832941 | 0 |
| 145.2.21.174 | 2432832942 | 0 |
| 145.2.21.175 | 2432832943 | 0 |
| 145.2.21.176 | 2432832944 | 0 |
| 145.2.21.177 | 2432832945 | 0 |
| 145.2.21.178 | 2432832946 | 0 |
| 145.2.21.179 | 2432832947 | 0 |
| 145.2.21.180 | 2432832948 | 0 |
| 145.2.21.181 | 2432832949 | 0 |
| 145.2.21.182 | 2432832950 | 0 |
| 145.2.21.183 | 2432832951 | 0 |
| 145.2.21.184 | 2432832952 | 0 |
| 145.2.21.185 | 2432832953 | 0 |
| 145.2.21.186 | 2432832954 | 0 |
| 145.2.21.187 | 2432832955 | 0 |
| 145.2.21.188 | 2432832956 | 0 |
| 145.2.21.189 | 2432832957 | 0 |
| 145.2.21.190 | 2432832958 | 0 |
| 145.2.21.191 | 2432832959 | 0 |
| 145.2.21.192 | 2432832960 | 0 |
| 145.2.21.193 | 2432832961 | 0 |
| 145.2.21.194 | 2432832962 | 0 |
| 145.2.21.195 | 2432832963 | 0 |
| 145.2.21.196 | 2432832964 | 0 |
| 145.2.21.197 | 2432832965 | 0 |
| 145.2.21.198 | 2432832966 | 0 |
| 145.2.21.199 | 2432832967 | 0 |
| 145.2.21.200 | 2432832968 | 0 |
| 145.2.21.201 | 2432832969 | 0 |
| 145.2.21.202 | 2432832970 | 0 |
| 145.2.21.203 | 2432832971 | 0 |
| 145.2.21.204 | 2432832972 | 0 |
| 145.2.21.205 | 2432832973 | 0 |
| 145.2.21.206 | 2432832974 | 0 |
| 145.2.21.207 | 2432832975 | 0 |
| 145.2.21.208 | 2432832976 | 0 |
| 145.2.21.209 | 2432832977 | 0 |
| 145.2.21.210 | 2432832978 | 0 |
| 145.2.21.211 | 2432832979 | 0 |
| 145.2.21.212 | 2432832980 | 0 |
| 145.2.21.213 | 2432832981 | 0 |
| 145.2.21.214 | 2432832982 | 0 |
| 145.2.21.215 | 2432832983 | 0 |
| 145.2.21.216 | 2432832984 | 0 |
| 145.2.21.217 | 2432832985 | 0 |
| 145.2.21.218 | 2432832986 | 0 |
| 145.2.21.219 | 2432832987 | 0 |
| 145.2.21.220 | 2432832988 | 0 |
| 145.2.21.221 | 2432832989 | 0 |
| 145.2.21.222 | 2432832990 | 0 |
| 145.2.21.223 | 2432832991 | 0 |
| 145.2.21.224 | 2432832992 | 0 |
| 145.2.21.225 | 2432832993 | 0 |
| 145.2.21.226 | 2432832994 | 0 |
| 145.2.21.227 | 2432832995 | 0 |
| 145.2.21.228 | 2432832996 | 0 |
| 145.2.21.229 | 2432832997 | 0 |
| 145.2.21.230 | 2432832998 | 0 |
| 145.2.21.231 | 2432832999 | 0 |
| 145.2.21.232 | 2432833000 | 0 |
| 145.2.21.233 | 2432833001 | 0 |
| 145.2.21.234 | 2432833002 | 0 |
| 145.2.21.235 | 2432833003 | 0 |
| 145.2.21.236 | 2432833004 | 0 |
| 145.2.21.237 | 2432833005 | 0 |
| 145.2.21.238 | 2432833006 | 0 |
| 145.2.21.239 | 2432833007 | 0 |
| 145.2.21.240 | 2432833008 | 0 |
| 145.2.21.241 | 2432833009 | 0 |
| 145.2.21.242 | 2432833010 | 0 |
| 145.2.21.243 | 2432833011 | 0 |
| 145.2.21.244 | 2432833012 | 0 |
| 145.2.21.245 | 2432833013 | 0 |
| 145.2.21.246 | 2432833014 | 0 |
| 145.2.21.247 | 2432833015 | 0 |
| 145.2.21.248 | 2432833016 | 0 |
| 145.2.21.249 | 2432833017 | 0 |
| 145.2.21.250 | 2432833018 | 0 |
| 145.2.21.251 | 2432833019 | 0 |
| 145.2.21.252 | 2432833020 | 0 |
| 145.2.21.253 | 2432833021 | 0 |
| 145.2.21.254 | 2432833022 | 0 |
| 145.2.21.255 | 2432833023 | 0 |