L'indirizzo IP 128.2.23 è fornito da Carnegie Mellon University, che è di proprietà del CIDR (Classless Inter-Domain Routing) 128.2.0.0/16, IP tra 128.2.0.0 a 128.2.255.255 ). Il numero di sistema autonomo (ASN) è 9.
| ASN | 9 |
| IP inizia con | 128.2.0.0 |
| IP finale con | 128.2.255.255 |
| ASN Nome | Carnegie Mellon University |
| CDIR | 128.2.0.0/16 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 04/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Bloomfield | 40,4609 | -79,9509 | 2017-07-04 |
| MaxMind | US | United States | - | Pittsburgh | 40,4439 | -79,9561 | 2017-07-04 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 128.2.23.0 | 2147620608 | 0 |
| 128.2.23.1 | 2147620609 | 0 |
| 128.2.23.2 | 2147620610 | 0 |
| 128.2.23.3 | 2147620611 | 0 |
| 128.2.23.4 | 2147620612 | 0 |
| 128.2.23.5 | 2147620613 | 0 |
| 128.2.23.6 | 2147620614 | 0 |
| 128.2.23.7 | 2147620615 | 0 |
| 128.2.23.8 | 2147620616 | 0 |
| 128.2.23.9 | 2147620617 | 0 |
| 128.2.23.10 | 2147620618 | 0 |
| 128.2.23.11 | 2147620619 | 0 |
| 128.2.23.12 | 2147620620 | 0 |
| 128.2.23.13 | 2147620621 | 0 |
| 128.2.23.14 | 2147620622 | 0 |
| 128.2.23.15 | 2147620623 | 0 |
| 128.2.23.16 | 2147620624 | 0 |
| 128.2.23.17 | 2147620625 | 0 |
| 128.2.23.18 | 2147620626 | 0 |
| 128.2.23.19 | 2147620627 | 0 |
| 128.2.23.20 | 2147620628 | 0 |
| 128.2.23.21 | 2147620629 | 0 |
| 128.2.23.22 | 2147620630 | 0 |
| 128.2.23.23 | 2147620631 | 0 |
| 128.2.23.24 | 2147620632 | 0 |
| 128.2.23.25 | 2147620633 | 0 |
| 128.2.23.26 | 2147620634 | 0 |
| 128.2.23.27 | 2147620635 | 0 |
| 128.2.23.28 | 2147620636 | 0 |
| 128.2.23.29 | 2147620637 | 0 |
| 128.2.23.30 | 2147620638 | 0 |
| 128.2.23.31 | 2147620639 | 0 |
| 128.2.23.32 | 2147620640 | 0 |
| 128.2.23.33 | 2147620641 | 0 |
| 128.2.23.34 | 2147620642 | 0 |
| 128.2.23.35 | 2147620643 | 0 |
| 128.2.23.36 | 2147620644 | 0 |
| 128.2.23.37 | 2147620645 | 0 |
| 128.2.23.38 | 2147620646 | 0 |
| 128.2.23.39 | 2147620647 | 0 |
| 128.2.23.40 | 2147620648 | 0 |
| 128.2.23.41 | 2147620649 | 0 |
| 128.2.23.42 | 2147620650 | 0 |
| 128.2.23.43 | 2147620651 | 0 |
| 128.2.23.44 | 2147620652 | 0 |
| 128.2.23.45 | 2147620653 | 0 |
| 128.2.23.46 | 2147620654 | 0 |
| 128.2.23.47 | 2147620655 | 0 |
| 128.2.23.48 | 2147620656 | 0 |
| 128.2.23.49 | 2147620657 | 0 |
| 128.2.23.50 | 2147620658 | 0 |
| 128.2.23.51 | 2147620659 | 0 |
| 128.2.23.52 | 2147620660 | 0 |
| 128.2.23.53 | 2147620661 | 0 |
| 128.2.23.54 | 2147620662 | 0 |
| 128.2.23.55 | 2147620663 | 0 |
| 128.2.23.56 | 2147620664 | 0 |
| 128.2.23.57 | 2147620665 | 0 |
| 128.2.23.58 | 2147620666 | 0 |
| 128.2.23.59 | 2147620667 | 0 |
| 128.2.23.60 | 2147620668 | 0 |
| 128.2.23.61 | 2147620669 | 0 |
| 128.2.23.62 | 2147620670 | 0 |
| 128.2.23.63 | 2147620671 | 0 |
| 128.2.23.64 | 2147620672 | 0 |
| 128.2.23.65 | 2147620673 | 0 |
| 128.2.23.66 | 2147620674 | 0 |
| 128.2.23.67 | 2147620675 | 0 |
| 128.2.23.68 | 2147620676 | 0 |
| 128.2.23.69 | 2147620677 | 0 |
| 128.2.23.70 | 2147620678 | 0 |
| 128.2.23.71 | 2147620679 | 0 |
| 128.2.23.72 | 2147620680 | 0 |
| 128.2.23.73 | 2147620681 | 0 |
| 128.2.23.74 | 2147620682 | 0 |
| 128.2.23.75 | 2147620683 | 0 |
| 128.2.23.76 | 2147620684 | 0 |
| 128.2.23.77 | 2147620685 | 0 |
| 128.2.23.78 | 2147620686 | 0 |
| 128.2.23.79 | 2147620687 | 0 |
| 128.2.23.80 | 2147620688 | 0 |
| 128.2.23.81 | 2147620689 | 0 |
| 128.2.23.82 | 2147620690 | 0 |
| 128.2.23.83 | 2147620691 | 0 |
| 128.2.23.84 | 2147620692 | 0 |
| 128.2.23.85 | 2147620693 | 0 |
| IP | Numerical IP | DNS |
| 128.2.23.86 | 2147620694 | 0 |
| 128.2.23.87 | 2147620695 | 0 |
| 128.2.23.88 | 2147620696 | 0 |
| 128.2.23.89 | 2147620697 | 0 |
| 128.2.23.90 | 2147620698 | 0 |
| 128.2.23.91 | 2147620699 | 0 |
| 128.2.23.92 | 2147620700 | 0 |
| 128.2.23.93 | 2147620701 | 0 |
| 128.2.23.94 | 2147620702 | 0 |
| 128.2.23.95 | 2147620703 | 0 |
| 128.2.23.96 | 2147620704 | 0 |
| 128.2.23.97 | 2147620705 | 0 |
| 128.2.23.98 | 2147620706 | 0 |
| 128.2.23.99 | 2147620707 | 0 |
| 128.2.23.100 | 2147620708 | 0 |
| 128.2.23.101 | 2147620709 | 0 |
| 128.2.23.102 | 2147620710 | 0 |
| 128.2.23.103 | 2147620711 | 0 |
| 128.2.23.104 | 2147620712 | 0 |
| 128.2.23.105 | 2147620713 | 0 |
| 128.2.23.106 | 2147620714 | 0 |
| 128.2.23.107 | 2147620715 | 0 |
| 128.2.23.108 | 2147620716 | 0 |
| 128.2.23.109 | 2147620717 | 0 |
| 128.2.23.110 | 2147620718 | 0 |
| 128.2.23.111 | 2147620719 | 0 |
| 128.2.23.112 | 2147620720 | 0 |
| 128.2.23.113 | 2147620721 | 0 |
| 128.2.23.114 | 2147620722 | 0 |
| 128.2.23.115 | 2147620723 | 0 |
| 128.2.23.116 | 2147620724 | 0 |
| 128.2.23.117 | 2147620725 | 0 |
| 128.2.23.118 | 2147620726 | 0 |
| 128.2.23.119 | 2147620727 | 0 |
| 128.2.23.120 | 2147620728 | 0 |
| 128.2.23.121 | 2147620729 | 0 |
| 128.2.23.122 | 2147620730 | 0 |
| 128.2.23.123 | 2147620731 | 0 |
| 128.2.23.124 | 2147620732 | 0 |
| 128.2.23.125 | 2147620733 | 0 |
| 128.2.23.126 | 2147620734 | 0 |
| 128.2.23.127 | 2147620735 | 0 |
| 128.2.23.128 | 2147620736 | 0 |
| 128.2.23.129 | 2147620737 | 0 |
| 128.2.23.130 | 2147620738 | 0 |
| 128.2.23.131 | 2147620739 | 0 |
| 128.2.23.132 | 2147620740 | 0 |
| 128.2.23.133 | 2147620741 | 0 |
| 128.2.23.134 | 2147620742 | 0 |
| 128.2.23.135 | 2147620743 | 0 |
| 128.2.23.136 | 2147620744 | 0 |
| 128.2.23.137 | 2147620745 | 0 |
| 128.2.23.138 | 2147620746 | 0 |
| 128.2.23.139 | 2147620747 | 0 |
| 128.2.23.140 | 2147620748 | 0 |
| 128.2.23.141 | 2147620749 | 0 |
| 128.2.23.142 | 2147620750 | 0 |
| 128.2.23.143 | 2147620751 | 0 |
| 128.2.23.144 | 2147620752 | 0 |
| 128.2.23.145 | 2147620753 | 0 |
| 128.2.23.146 | 2147620754 | 0 |
| 128.2.23.147 | 2147620755 | 0 |
| 128.2.23.148 | 2147620756 | 0 |
| 128.2.23.149 | 2147620757 | 0 |
| 128.2.23.150 | 2147620758 | 0 |
| 128.2.23.151 | 2147620759 | 0 |
| 128.2.23.152 | 2147620760 | 0 |
| 128.2.23.153 | 2147620761 | 0 |
| 128.2.23.154 | 2147620762 | 0 |
| 128.2.23.155 | 2147620763 | 0 |
| 128.2.23.156 | 2147620764 | 0 |
| 128.2.23.157 | 2147620765 | 0 |
| 128.2.23.158 | 2147620766 | 0 |
| 128.2.23.159 | 2147620767 | 0 |
| 128.2.23.160 | 2147620768 | 0 |
| 128.2.23.161 | 2147620769 | 0 |
| 128.2.23.162 | 2147620770 | 0 |
| 128.2.23.163 | 2147620771 | 0 |
| 128.2.23.164 | 2147620772 | 0 |
| 128.2.23.165 | 2147620773 | 0 |
| 128.2.23.166 | 2147620774 | 0 |
| 128.2.23.167 | 2147620775 | 0 |
| 128.2.23.168 | 2147620776 | 0 |
| 128.2.23.169 | 2147620777 | 0 |
| 128.2.23.170 | 2147620778 | 0 |
| 128.2.23.171 | 2147620779 | 0 |
| IP | Numerical IP | DNS |
| 128.2.23.172 | 2147620780 | 0 |
| 128.2.23.173 | 2147620781 | 0 |
| 128.2.23.174 | 2147620782 | 0 |
| 128.2.23.175 | 2147620783 | 0 |
| 128.2.23.176 | 2147620784 | 0 |
| 128.2.23.177 | 2147620785 | 0 |
| 128.2.23.178 | 2147620786 | 0 |
| 128.2.23.179 | 2147620787 | 0 |
| 128.2.23.180 | 2147620788 | 0 |
| 128.2.23.181 | 2147620789 | 0 |
| 128.2.23.182 | 2147620790 | 0 |
| 128.2.23.183 | 2147620791 | 0 |
| 128.2.23.184 | 2147620792 | 0 |
| 128.2.23.185 | 2147620793 | 0 |
| 128.2.23.186 | 2147620794 | 0 |
| 128.2.23.187 | 2147620795 | 0 |
| 128.2.23.188 | 2147620796 | 0 |
| 128.2.23.189 | 2147620797 | 0 |
| 128.2.23.190 | 2147620798 | 0 |
| 128.2.23.191 | 2147620799 | 0 |
| 128.2.23.192 | 2147620800 | 0 |
| 128.2.23.193 | 2147620801 | 0 |
| 128.2.23.194 | 2147620802 | 0 |
| 128.2.23.195 | 2147620803 | 0 |
| 128.2.23.196 | 2147620804 | 0 |
| 128.2.23.197 | 2147620805 | 0 |
| 128.2.23.198 | 2147620806 | 0 |
| 128.2.23.199 | 2147620807 | 0 |
| 128.2.23.200 | 2147620808 | 0 |
| 128.2.23.201 | 2147620809 | 0 |
| 128.2.23.202 | 2147620810 | 0 |
| 128.2.23.203 | 2147620811 | 0 |
| 128.2.23.204 | 2147620812 | 0 |
| 128.2.23.205 | 2147620813 | 0 |
| 128.2.23.206 | 2147620814 | 0 |
| 128.2.23.207 | 2147620815 | 0 |
| 128.2.23.208 | 2147620816 | 0 |
| 128.2.23.209 | 2147620817 | 0 |
| 128.2.23.210 | 2147620818 | 0 |
| 128.2.23.211 | 2147620819 | 0 |
| 128.2.23.212 | 2147620820 | 0 |
| 128.2.23.213 | 2147620821 | 0 |
| 128.2.23.214 | 2147620822 | 0 |
| 128.2.23.215 | 2147620823 | 0 |
| 128.2.23.216 | 2147620824 | 0 |
| 128.2.23.217 | 2147620825 | 0 |
| 128.2.23.218 | 2147620826 | 0 |
| 128.2.23.219 | 2147620827 | 0 |
| 128.2.23.220 | 2147620828 | 0 |
| 128.2.23.221 | 2147620829 | 0 |
| 128.2.23.222 | 2147620830 | 0 |
| 128.2.23.223 | 2147620831 | 0 |
| 128.2.23.224 | 2147620832 | 0 |
| 128.2.23.225 | 2147620833 | 0 |
| 128.2.23.226 | 2147620834 | 0 |
| 128.2.23.227 | 2147620835 | 0 |
| 128.2.23.228 | 2147620836 | 0 |
| 128.2.23.229 | 2147620837 | 0 |
| 128.2.23.230 | 2147620838 | 0 |
| 128.2.23.231 | 2147620839 | 0 |
| 128.2.23.232 | 2147620840 | 0 |
| 128.2.23.233 | 2147620841 | 0 |
| 128.2.23.234 | 2147620842 | 0 |
| 128.2.23.235 | 2147620843 | 0 |
| 128.2.23.236 | 2147620844 | 0 |
| 128.2.23.237 | 2147620845 | 0 |
| 128.2.23.238 | 2147620846 | 0 |
| 128.2.23.239 | 2147620847 | 0 |
| 128.2.23.240 | 2147620848 | 0 |
| 128.2.23.241 | 2147620849 | 0 |
| 128.2.23.242 | 2147620850 | 0 |
| 128.2.23.243 | 2147620851 | 0 |
| 128.2.23.244 | 2147620852 | 0 |
| 128.2.23.245 | 2147620853 | 0 |
| 128.2.23.246 | 2147620854 | 0 |
| 128.2.23.247 | 2147620855 | 0 |
| 128.2.23.248 | 2147620856 | 0 |
| 128.2.23.249 | 2147620857 | 0 |
| 128.2.23.250 | 2147620858 | 0 |
| 128.2.23.251 | 2147620859 | 0 |
| 128.2.23.252 | 2147620860 | 0 |
| 128.2.23.253 | 2147620861 | 0 |
| 128.2.23.254 | 2147620862 | 0 |
| 128.2.23.255 | 2147620863 | 0 |