La dirección IP 12.78.21 es proporcionada por AT&T Services, Inc., que es propiedad de la CIDR (Classless Inter-Domain Routing) 12.0.0.0/8, IP entre 12.0.0.0 a 12.255.255.255 ). El número de sistema autónomo (ASN) es 7018.
| ASN | 7018 |
| IP que comienzan con | 12.0.0.0 |
| IP que termina con | 12.255.255.255 |
| ASN Nombre | AT&T Services, Inc. |
| CDIR | 12.0.0.0/8 |
| IP numérica | |
| Registe | |
| Última actualización | 08/08/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Salt Lake City | 40,7608 | -111,8911 | 2017-08-08 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-08-08 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 12.78.21.0 | 206443776 | 0 |
| 12.78.21.1 | 206443777 | 0 |
| 12.78.21.2 | 206443778 | 0 |
| 12.78.21.3 | 206443779 | 0 |
| 12.78.21.4 | 206443780 | 0 |
| 12.78.21.5 | 206443781 | 0 |
| 12.78.21.6 | 206443782 | 0 |
| 12.78.21.7 | 206443783 | 0 |
| 12.78.21.8 | 206443784 | 0 |
| 12.78.21.9 | 206443785 | 0 |
| 12.78.21.10 | 206443786 | 0 |
| 12.78.21.11 | 206443787 | 0 |
| 12.78.21.12 | 206443788 | 0 |
| 12.78.21.13 | 206443789 | 0 |
| 12.78.21.14 | 206443790 | 0 |
| 12.78.21.15 | 206443791 | 0 |
| 12.78.21.16 | 206443792 | 0 |
| 12.78.21.17 | 206443793 | 0 |
| 12.78.21.18 | 206443794 | 0 |
| 12.78.21.19 | 206443795 | 0 |
| 12.78.21.20 | 206443796 | 0 |
| 12.78.21.21 | 206443797 | 0 |
| 12.78.21.22 | 206443798 | 0 |
| 12.78.21.23 | 206443799 | 0 |
| 12.78.21.24 | 206443800 | 0 |
| 12.78.21.25 | 206443801 | 0 |
| 12.78.21.26 | 206443802 | 0 |
| 12.78.21.27 | 206443803 | 0 |
| 12.78.21.28 | 206443804 | 0 |
| 12.78.21.29 | 206443805 | 0 |
| 12.78.21.30 | 206443806 | 0 |
| 12.78.21.31 | 206443807 | 0 |
| 12.78.21.32 | 206443808 | 0 |
| 12.78.21.33 | 206443809 | 0 |
| 12.78.21.34 | 206443810 | 0 |
| 12.78.21.35 | 206443811 | 0 |
| 12.78.21.36 | 206443812 | 0 |
| 12.78.21.37 | 206443813 | 0 |
| 12.78.21.38 | 206443814 | 0 |
| 12.78.21.39 | 206443815 | 0 |
| 12.78.21.40 | 206443816 | 0 |
| 12.78.21.41 | 206443817 | 0 |
| 12.78.21.42 | 206443818 | 0 |
| 12.78.21.43 | 206443819 | 0 |
| 12.78.21.44 | 206443820 | 0 |
| 12.78.21.45 | 206443821 | 0 |
| 12.78.21.46 | 206443822 | 0 |
| 12.78.21.47 | 206443823 | 0 |
| 12.78.21.48 | 206443824 | 0 |
| 12.78.21.49 | 206443825 | 0 |
| 12.78.21.50 | 206443826 | 0 |
| 12.78.21.51 | 206443827 | 0 |
| 12.78.21.52 | 206443828 | 0 |
| 12.78.21.53 | 206443829 | 0 |
| 12.78.21.54 | 206443830 | 0 |
| 12.78.21.55 | 206443831 | 0 |
| 12.78.21.56 | 206443832 | 0 |
| 12.78.21.57 | 206443833 | 0 |
| 12.78.21.58 | 206443834 | 0 |
| 12.78.21.59 | 206443835 | 0 |
| 12.78.21.60 | 206443836 | 0 |
| 12.78.21.61 | 206443837 | 0 |
| 12.78.21.62 | 206443838 | 0 |
| 12.78.21.63 | 206443839 | 0 |
| 12.78.21.64 | 206443840 | 0 |
| 12.78.21.65 | 206443841 | 0 |
| 12.78.21.66 | 206443842 | 0 |
| 12.78.21.67 | 206443843 | 0 |
| 12.78.21.68 | 206443844 | 0 |
| 12.78.21.69 | 206443845 | 0 |
| 12.78.21.70 | 206443846 | 0 |
| 12.78.21.71 | 206443847 | 0 |
| 12.78.21.72 | 206443848 | 0 |
| 12.78.21.73 | 206443849 | 0 |
| 12.78.21.74 | 206443850 | 0 |
| 12.78.21.75 | 206443851 | 0 |
| 12.78.21.76 | 206443852 | 0 |
| 12.78.21.77 | 206443853 | 0 |
| 12.78.21.78 | 206443854 | 0 |
| 12.78.21.79 | 206443855 | 0 |
| 12.78.21.80 | 206443856 | 0 |
| 12.78.21.81 | 206443857 | 0 |
| 12.78.21.82 | 206443858 | 0 |
| 12.78.21.83 | 206443859 | 0 |
| 12.78.21.84 | 206443860 | 0 |
| 12.78.21.85 | 206443861 | 0 |