L'indirizzo IP 12.78.91 è fornito da AT&T Services, Inc., che è di proprietà del CIDR (Classless Inter-Domain Routing) 12.0.0.0/8, IP tra 12.0.0.0 a 12.255.255.255 ). Il numero di sistema autonomo (ASN) è 7018.
| ASN | 7018 |
| IP inizia con | 12.0.0.0 |
| IP finale con | 12.255.255.255 |
| ASN Nome | AT&T Services, Inc. |
| CDIR | 12.0.0.0/8 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 09/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Chicago | 41,85 | -87,6501 | 2017-07-09 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-07-09 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 12.78.91.0 | 206461696 | 0 |
| 12.78.91.1 | 206461697 | 0 |
| 12.78.91.2 | 206461698 | 0 |
| 12.78.91.3 | 206461699 | 0 |
| 12.78.91.4 | 206461700 | 0 |
| 12.78.91.5 | 206461701 | 0 |
| 12.78.91.6 | 206461702 | 0 |
| 12.78.91.7 | 206461703 | 0 |
| 12.78.91.8 | 206461704 | 0 |
| 12.78.91.9 | 206461705 | 0 |
| 12.78.91.10 | 206461706 | 0 |
| 12.78.91.11 | 206461707 | 0 |
| 12.78.91.12 | 206461708 | 0 |
| 12.78.91.13 | 206461709 | 0 |
| 12.78.91.14 | 206461710 | 0 |
| 12.78.91.15 | 206461711 | 0 |
| 12.78.91.16 | 206461712 | 0 |
| 12.78.91.17 | 206461713 | 0 |
| 12.78.91.18 | 206461714 | 0 |
| 12.78.91.19 | 206461715 | 0 |
| 12.78.91.20 | 206461716 | 0 |
| 12.78.91.21 | 206461717 | 0 |
| 12.78.91.22 | 206461718 | 0 |
| 12.78.91.23 | 206461719 | 0 |
| 12.78.91.24 | 206461720 | 0 |
| 12.78.91.25 | 206461721 | 0 |
| 12.78.91.26 | 206461722 | 0 |
| 12.78.91.27 | 206461723 | 0 |
| 12.78.91.28 | 206461724 | 0 |
| 12.78.91.29 | 206461725 | 0 |
| 12.78.91.30 | 206461726 | 0 |
| 12.78.91.31 | 206461727 | 0 |
| 12.78.91.32 | 206461728 | 0 |
| 12.78.91.33 | 206461729 | 0 |
| 12.78.91.34 | 206461730 | 0 |
| 12.78.91.35 | 206461731 | 0 |
| 12.78.91.36 | 206461732 | 0 |
| 12.78.91.37 | 206461733 | 0 |
| 12.78.91.38 | 206461734 | 0 |
| 12.78.91.39 | 206461735 | 0 |
| 12.78.91.40 | 206461736 | 0 |
| 12.78.91.41 | 206461737 | 0 |
| 12.78.91.42 | 206461738 | 0 |
| 12.78.91.43 | 206461739 | 0 |
| 12.78.91.44 | 206461740 | 0 |
| 12.78.91.45 | 206461741 | 0 |
| 12.78.91.46 | 206461742 | 0 |
| 12.78.91.47 | 206461743 | 0 |
| 12.78.91.48 | 206461744 | 0 |
| 12.78.91.49 | 206461745 | 0 |
| 12.78.91.50 | 206461746 | 0 |
| 12.78.91.51 | 206461747 | 0 |
| 12.78.91.52 | 206461748 | 0 |
| 12.78.91.53 | 206461749 | 0 |
| 12.78.91.54 | 206461750 | 0 |
| 12.78.91.55 | 206461751 | 0 |
| 12.78.91.56 | 206461752 | 0 |
| 12.78.91.57 | 206461753 | 0 |
| 12.78.91.58 | 206461754 | 0 |
| 12.78.91.59 | 206461755 | 0 |
| 12.78.91.60 | 206461756 | 0 |
| 12.78.91.61 | 206461757 | 0 |
| 12.78.91.62 | 206461758 | 0 |
| 12.78.91.63 | 206461759 | 0 |
| 12.78.91.64 | 206461760 | 0 |
| 12.78.91.65 | 206461761 | 0 |
| 12.78.91.66 | 206461762 | 0 |
| 12.78.91.67 | 206461763 | 0 |
| 12.78.91.68 | 206461764 | 0 |
| 12.78.91.69 | 206461765 | 0 |
| 12.78.91.70 | 206461766 | 0 |
| 12.78.91.71 | 206461767 | 0 |
| 12.78.91.72 | 206461768 | 0 |
| 12.78.91.73 | 206461769 | 0 |
| 12.78.91.74 | 206461770 | 0 |
| 12.78.91.75 | 206461771 | 0 |
| 12.78.91.76 | 206461772 | 0 |
| 12.78.91.77 | 206461773 | 0 |
| 12.78.91.78 | 206461774 | 0 |
| 12.78.91.79 | 206461775 | 0 |
| 12.78.91.80 | 206461776 | 0 |
| 12.78.91.81 | 206461777 | 0 |
| 12.78.91.82 | 206461778 | 0 |
| 12.78.91.83 | 206461779 | 0 |
| 12.78.91.84 | 206461780 | 0 |
| 12.78.91.85 | 206461781 | 0 |