L'indirizzo IP 145.21.8 è fornito da SURFnet, che è di proprietà del CIDR (Classless Inter-Domain Routing) 145.23.0.0/16, IP tra 145.23.0.0 a 145.23.255.255 ). Il numero di sistema autonomo (ASN) è 1103.
| ASN | 1103 |
| IP inizia con | 145.23.0.0 |
| IP finale con | 145.23.255.255 |
| ASN Nome | SURFnet |
| CDIR | 145.23.0.0/16 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 23/07/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | NL | Netherlands | - | Dordrecht | 51,81 | 4,6736 | 2018-07-23 |
| MaxMind | NL | Netherlands | - | Dordrecht | 51,8007 | 4,6982 | 2018-07-23 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.21.8.0 | 2434074624 | 0 |
| 145.21.8.1 | 2434074625 | 0 |
| 145.21.8.2 | 2434074626 | 0 |
| 145.21.8.3 | 2434074627 | 0 |
| 145.21.8.4 | 2434074628 | 0 |
| 145.21.8.5 | 2434074629 | 0 |
| 145.21.8.6 | 2434074630 | 0 |
| 145.21.8.7 | 2434074631 | 0 |
| 145.21.8.8 | 2434074632 | 0 |
| 145.21.8.9 | 2434074633 | 0 |
| 145.21.8.10 | 2434074634 | 0 |
| 145.21.8.11 | 2434074635 | 0 |
| 145.21.8.12 | 2434074636 | 0 |
| 145.21.8.13 | 2434074637 | 0 |
| 145.21.8.14 | 2434074638 | 0 |
| 145.21.8.15 | 2434074639 | 0 |
| 145.21.8.16 | 2434074640 | 0 |
| 145.21.8.17 | 2434074641 | 0 |
| 145.21.8.18 | 2434074642 | 0 |
| 145.21.8.19 | 2434074643 | 0 |
| 145.21.8.20 | 2434074644 | 0 |
| 145.21.8.21 | 2434074645 | 0 |
| 145.21.8.22 | 2434074646 | 0 |
| 145.21.8.23 | 2434074647 | 0 |
| 145.21.8.24 | 2434074648 | 0 |
| 145.21.8.25 | 2434074649 | 0 |
| 145.21.8.26 | 2434074650 | 0 |
| 145.21.8.27 | 2434074651 | 0 |
| 145.21.8.28 | 2434074652 | 0 |
| 145.21.8.29 | 2434074653 | 0 |
| 145.21.8.30 | 2434074654 | 0 |
| 145.21.8.31 | 2434074655 | 0 |
| 145.21.8.32 | 2434074656 | 0 |
| 145.21.8.33 | 2434074657 | 0 |
| 145.21.8.34 | 2434074658 | 0 |
| 145.21.8.35 | 2434074659 | 0 |
| 145.21.8.36 | 2434074660 | 0 |
| 145.21.8.37 | 2434074661 | 0 |
| 145.21.8.38 | 2434074662 | 0 |
| 145.21.8.39 | 2434074663 | 0 |
| 145.21.8.40 | 2434074664 | 0 |
| 145.21.8.41 | 2434074665 | 0 |
| 145.21.8.42 | 2434074666 | 0 |
| 145.21.8.43 | 2434074667 | 0 |
| 145.21.8.44 | 2434074668 | 0 |
| 145.21.8.45 | 2434074669 | 0 |
| 145.21.8.46 | 2434074670 | 0 |
| 145.21.8.47 | 2434074671 | 0 |
| 145.21.8.48 | 2434074672 | 0 |
| 145.21.8.49 | 2434074673 | 0 |
| 145.21.8.50 | 2434074674 | 0 |
| 145.21.8.51 | 2434074675 | 0 |
| 145.21.8.52 | 2434074676 | 0 |
| 145.21.8.53 | 2434074677 | 0 |
| 145.21.8.54 | 2434074678 | 0 |
| 145.21.8.55 | 2434074679 | 0 |
| 145.21.8.56 | 2434074680 | 0 |
| 145.21.8.57 | 2434074681 | 0 |
| 145.21.8.58 | 2434074682 | 0 |
| 145.21.8.59 | 2434074683 | 0 |
| 145.21.8.60 | 2434074684 | 0 |
| 145.21.8.61 | 2434074685 | 0 |
| 145.21.8.62 | 2434074686 | 0 |
| 145.21.8.63 | 2434074687 | 0 |
| 145.21.8.64 | 2434074688 | 0 |
| 145.21.8.65 | 2434074689 | 0 |
| 145.21.8.66 | 2434074690 | 0 |
| 145.21.8.67 | 2434074691 | 0 |
| 145.21.8.68 | 2434074692 | 0 |
| 145.21.8.69 | 2434074693 | 0 |
| 145.21.8.70 | 2434074694 | 0 |
| 145.21.8.71 | 2434074695 | 0 |
| 145.21.8.72 | 2434074696 | 0 |
| 145.21.8.73 | 2434074697 | 0 |
| 145.21.8.74 | 2434074698 | 0 |
| 145.21.8.75 | 2434074699 | 0 |
| 145.21.8.76 | 2434074700 | 0 |
| 145.21.8.77 | 2434074701 | 0 |
| 145.21.8.78 | 2434074702 | 0 |
| 145.21.8.79 | 2434074703 | 0 |
| 145.21.8.80 | 2434074704 | 0 |
| 145.21.8.81 | 2434074705 | 0 |
| 145.21.8.82 | 2434074706 | 0 |
| 145.21.8.83 | 2434074707 | 0 |
| 145.21.8.84 | 2434074708 | 0 |
| 145.21.8.85 | 2434074709 | 0 |
| IP | Numerical IP | DNS |
| 145.21.8.86 | 2434074710 | 0 |
| 145.21.8.87 | 2434074711 | 0 |
| 145.21.8.88 | 2434074712 | 0 |
| 145.21.8.89 | 2434074713 | 0 |
| 145.21.8.90 | 2434074714 | 0 |
| 145.21.8.91 | 2434074715 | 0 |
| 145.21.8.92 | 2434074716 | 0 |
| 145.21.8.93 | 2434074717 | 0 |
| 145.21.8.94 | 2434074718 | 0 |
| 145.21.8.95 | 2434074719 | 0 |
| 145.21.8.96 | 2434074720 | 0 |
| 145.21.8.97 | 2434074721 | 0 |
| 145.21.8.98 | 2434074722 | 0 |
| 145.21.8.99 | 2434074723 | 0 |
| 145.21.8.100 | 2434074724 | 0 |
| 145.21.8.101 | 2434074725 | 0 |
| 145.21.8.102 | 2434074726 | 0 |
| 145.21.8.103 | 2434074727 | 0 |
| 145.21.8.104 | 2434074728 | 0 |
| 145.21.8.105 | 2434074729 | 0 |
| 145.21.8.106 | 2434074730 | 0 |
| 145.21.8.107 | 2434074731 | 0 |
| 145.21.8.108 | 2434074732 | 0 |
| 145.21.8.109 | 2434074733 | 0 |
| 145.21.8.110 | 2434074734 | 0 |
| 145.21.8.111 | 2434074735 | 0 |
| 145.21.8.112 | 2434074736 | 0 |
| 145.21.8.113 | 2434074737 | 0 |
| 145.21.8.114 | 2434074738 | 0 |
| 145.21.8.115 | 2434074739 | 0 |
| 145.21.8.116 | 2434074740 | 0 |
| 145.21.8.117 | 2434074741 | 0 |
| 145.21.8.118 | 2434074742 | 0 |
| 145.21.8.119 | 2434074743 | 0 |
| 145.21.8.120 | 2434074744 | 0 |
| 145.21.8.121 | 2434074745 | 0 |
| 145.21.8.122 | 2434074746 | 0 |
| 145.21.8.123 | 2434074747 | 0 |
| 145.21.8.124 | 2434074748 | 0 |
| 145.21.8.125 | 2434074749 | 0 |
| 145.21.8.126 | 2434074750 | 0 |
| 145.21.8.127 | 2434074751 | 0 |
| 145.21.8.128 | 2434074752 | 0 |
| 145.21.8.129 | 2434074753 | 0 |
| 145.21.8.130 | 2434074754 | 0 |
| 145.21.8.131 | 2434074755 | 0 |
| 145.21.8.132 | 2434074756 | 0 |
| 145.21.8.133 | 2434074757 | 0 |
| 145.21.8.134 | 2434074758 | 0 |
| 145.21.8.135 | 2434074759 | 0 |
| 145.21.8.136 | 2434074760 | 0 |
| 145.21.8.137 | 2434074761 | 0 |
| 145.21.8.138 | 2434074762 | 0 |
| 145.21.8.139 | 2434074763 | 0 |
| 145.21.8.140 | 2434074764 | 0 |
| 145.21.8.141 | 2434074765 | 0 |
| 145.21.8.142 | 2434074766 | 0 |
| 145.21.8.143 | 2434074767 | 0 |
| 145.21.8.144 | 2434074768 | 0 |
| 145.21.8.145 | 2434074769 | 0 |
| 145.21.8.146 | 2434074770 | 0 |
| 145.21.8.147 | 2434074771 | 0 |
| 145.21.8.148 | 2434074772 | 0 |
| 145.21.8.149 | 2434074773 | 0 |
| 145.21.8.150 | 2434074774 | 0 |
| 145.21.8.151 | 2434074775 | 0 |
| 145.21.8.152 | 2434074776 | 0 |
| 145.21.8.153 | 2434074777 | 0 |
| 145.21.8.154 | 2434074778 | 0 |
| 145.21.8.155 | 2434074779 | 0 |
| 145.21.8.156 | 2434074780 | 0 |
| 145.21.8.157 | 2434074781 | 0 |
| 145.21.8.158 | 2434074782 | 0 |
| 145.21.8.159 | 2434074783 | 0 |
| 145.21.8.160 | 2434074784 | 0 |
| 145.21.8.161 | 2434074785 | 0 |
| 145.21.8.162 | 2434074786 | 0 |
| 145.21.8.163 | 2434074787 | 0 |
| 145.21.8.164 | 2434074788 | 0 |
| 145.21.8.165 | 2434074789 | 0 |
| 145.21.8.166 | 2434074790 | 0 |
| 145.21.8.167 | 2434074791 | 0 |
| 145.21.8.168 | 2434074792 | 0 |
| 145.21.8.169 | 2434074793 | 0 |
| 145.21.8.170 | 2434074794 | 0 |
| 145.21.8.171 | 2434074795 | 0 |
| IP | Numerical IP | DNS |
| 145.21.8.172 | 2434074796 | 0 |
| 145.21.8.173 | 2434074797 | 0 |
| 145.21.8.174 | 2434074798 | 0 |
| 145.21.8.175 | 2434074799 | 0 |
| 145.21.8.176 | 2434074800 | 0 |
| 145.21.8.177 | 2434074801 | 0 |
| 145.21.8.178 | 2434074802 | 0 |
| 145.21.8.179 | 2434074803 | 0 |
| 145.21.8.180 | 2434074804 | 0 |
| 145.21.8.181 | 2434074805 | 0 |
| 145.21.8.182 | 2434074806 | 0 |
| 145.21.8.183 | 2434074807 | 0 |
| 145.21.8.184 | 2434074808 | 0 |
| 145.21.8.185 | 2434074809 | 0 |
| 145.21.8.186 | 2434074810 | 0 |
| 145.21.8.187 | 2434074811 | 0 |
| 145.21.8.188 | 2434074812 | 0 |
| 145.21.8.189 | 2434074813 | 0 |
| 145.21.8.190 | 2434074814 | 0 |
| 145.21.8.191 | 2434074815 | 0 |
| 145.21.8.192 | 2434074816 | 0 |
| 145.21.8.193 | 2434074817 | 0 |
| 145.21.8.194 | 2434074818 | 0 |
| 145.21.8.195 | 2434074819 | 0 |
| 145.21.8.196 | 2434074820 | 0 |
| 145.21.8.197 | 2434074821 | 0 |
| 145.21.8.198 | 2434074822 | 0 |
| 145.21.8.199 | 2434074823 | 0 |
| 145.21.8.200 | 2434074824 | 0 |
| 145.21.8.201 | 2434074825 | 0 |
| 145.21.8.202 | 2434074826 | 0 |
| 145.21.8.203 | 2434074827 | 0 |
| 145.21.8.204 | 2434074828 | 0 |
| 145.21.8.205 | 2434074829 | 0 |
| 145.21.8.206 | 2434074830 | 0 |
| 145.21.8.207 | 2434074831 | 0 |
| 145.21.8.208 | 2434074832 | 0 |
| 145.21.8.209 | 2434074833 | 0 |
| 145.21.8.210 | 2434074834 | 0 |
| 145.21.8.211 | 2434074835 | 0 |
| 145.21.8.212 | 2434074836 | 0 |
| 145.21.8.213 | 2434074837 | 0 |
| 145.21.8.214 | 2434074838 | 0 |
| 145.21.8.215 | 2434074839 | 0 |
| 145.21.8.216 | 2434074840 | 0 |
| 145.21.8.217 | 2434074841 | 0 |
| 145.21.8.218 | 2434074842 | 0 |
| 145.21.8.219 | 2434074843 | 0 |
| 145.21.8.220 | 2434074844 | 0 |
| 145.21.8.221 | 2434074845 | 0 |
| 145.21.8.222 | 2434074846 | 0 |
| 145.21.8.223 | 2434074847 | 0 |
| 145.21.8.224 | 2434074848 | 0 |
| 145.21.8.225 | 2434074849 | 0 |
| 145.21.8.226 | 2434074850 | 0 |
| 145.21.8.227 | 2434074851 | 0 |
| 145.21.8.228 | 2434074852 | 0 |
| 145.21.8.229 | 2434074853 | 0 |
| 145.21.8.230 | 2434074854 | 0 |
| 145.21.8.231 | 2434074855 | 0 |
| 145.21.8.232 | 2434074856 | 0 |
| 145.21.8.233 | 2434074857 | 0 |
| 145.21.8.234 | 2434074858 | 0 |
| 145.21.8.235 | 2434074859 | 0 |
| 145.21.8.236 | 2434074860 | 0 |
| 145.21.8.237 | 2434074861 | 0 |
| 145.21.8.238 | 2434074862 | 0 |
| 145.21.8.239 | 2434074863 | 0 |
| 145.21.8.240 | 2434074864 | 0 |
| 145.21.8.241 | 2434074865 | 0 |
| 145.21.8.242 | 2434074866 | 0 |
| 145.21.8.243 | 2434074867 | 0 |
| 145.21.8.244 | 2434074868 | 0 |
| 145.21.8.245 | 2434074869 | 0 |
| 145.21.8.246 | 2434074870 | 0 |
| 145.21.8.247 | 2434074871 | 0 |
| 145.21.8.248 | 2434074872 | 0 |
| 145.21.8.249 | 2434074873 | 0 |
| 145.21.8.250 | 2434074874 | 0 |
| 145.21.8.251 | 2434074875 | 0 |
| 145.21.8.252 | 2434074876 | 0 |
| 145.21.8.253 | 2434074877 | 0 |
| 145.21.8.254 | 2434074878 | 0 |
| 145.21.8.255 | 2434074879 | 0 |