Les adresses IP débutant par 12.77.78 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 12.0.0.0/8, le bloc IP comprant les adresses de 12.0.0.0 à 12.255.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 12.0.0.0 |
| IP se terminant par | 12.255.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 12.0.0.0/8 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 04/10/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Norcross | 33,9412 | -84,2135 | 2017-10-03 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-10-03 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 12.77.78.0 | 206392832 | 0 |
| 12.77.78.1 | 206392833 | 0 |
| 12.77.78.2 | 206392834 | 0 |
| 12.77.78.3 | 206392835 | 0 |
| 12.77.78.4 | 206392836 | 0 |
| 12.77.78.5 | 206392837 | 0 |
| 12.77.78.6 | 206392838 | 0 |
| 12.77.78.7 | 206392839 | 0 |
| 12.77.78.8 | 206392840 | 0 |
| 12.77.78.9 | 206392841 | 0 |
| 12.77.78.10 | 206392842 | 0 |
| 12.77.78.11 | 206392843 | 0 |
| 12.77.78.12 | 206392844 | 0 |
| 12.77.78.13 | 206392845 | 0 |
| 12.77.78.14 | 206392846 | 0 |
| 12.77.78.15 | 206392847 | 0 |
| 12.77.78.16 | 206392848 | 0 |
| 12.77.78.17 | 206392849 | 0 |
| 12.77.78.18 | 206392850 | 0 |
| 12.77.78.19 | 206392851 | 0 |
| 12.77.78.20 | 206392852 | 0 |
| 12.77.78.21 | 206392853 | 0 |
| 12.77.78.22 | 206392854 | 0 |
| 12.77.78.23 | 206392855 | 0 |
| 12.77.78.24 | 206392856 | 0 |
| 12.77.78.25 | 206392857 | 0 |
| 12.77.78.26 | 206392858 | 0 |
| 12.77.78.27 | 206392859 | 0 |
| 12.77.78.28 | 206392860 | 0 |
| 12.77.78.29 | 206392861 | 0 |
| 12.77.78.30 | 206392862 | 0 |
| 12.77.78.31 | 206392863 | 0 |
| 12.77.78.32 | 206392864 | 0 |
| 12.77.78.33 | 206392865 | 0 |
| 12.77.78.34 | 206392866 | 0 |
| 12.77.78.35 | 206392867 | 0 |
| 12.77.78.36 | 206392868 | 0 |
| 12.77.78.37 | 206392869 | 0 |
| 12.77.78.38 | 206392870 | 0 |
| 12.77.78.39 | 206392871 | 0 |
| 12.77.78.40 | 206392872 | 0 |
| 12.77.78.41 | 206392873 | 0 |
| 12.77.78.42 | 206392874 | 0 |
| 12.77.78.43 | 206392875 | 0 |
| 12.77.78.44 | 206392876 | 0 |
| 12.77.78.45 | 206392877 | 0 |
| 12.77.78.46 | 206392878 | 0 |
| 12.77.78.47 | 206392879 | 0 |
| 12.77.78.48 | 206392880 | 0 |
| 12.77.78.49 | 206392881 | 0 |
| 12.77.78.50 | 206392882 | 0 |
| 12.77.78.51 | 206392883 | 0 |
| 12.77.78.52 | 206392884 | 0 |
| 12.77.78.53 | 206392885 | 0 |
| 12.77.78.54 | 206392886 | 0 |
| 12.77.78.55 | 206392887 | 0 |
| 12.77.78.56 | 206392888 | 0 |
| 12.77.78.57 | 206392889 | 0 |
| 12.77.78.58 | 206392890 | 0 |
| 12.77.78.59 | 206392891 | 0 |
| 12.77.78.60 | 206392892 | 0 |
| 12.77.78.61 | 206392893 | 0 |
| 12.77.78.62 | 206392894 | 0 |
| 12.77.78.63 | 206392895 | 0 |
| 12.77.78.64 | 206392896 | 0 |
| 12.77.78.65 | 206392897 | 0 |
| 12.77.78.66 | 206392898 | 0 |
| 12.77.78.67 | 206392899 | 0 |
| 12.77.78.68 | 206392900 | 0 |
| 12.77.78.69 | 206392901 | 0 |
| 12.77.78.70 | 206392902 | 0 |
| 12.77.78.71 | 206392903 | 0 |
| 12.77.78.72 | 206392904 | 0 |
| 12.77.78.73 | 206392905 | 0 |
| 12.77.78.74 | 206392906 | 0 |
| 12.77.78.75 | 206392907 | 0 |
| 12.77.78.76 | 206392908 | 0 |
| 12.77.78.77 | 206392909 | 0 |
| 12.77.78.78 | 206392910 | 0 |
| 12.77.78.79 | 206392911 | 0 |
| 12.77.78.80 | 206392912 | 0 |
| 12.77.78.81 | 206392913 | 0 |
| 12.77.78.82 | 206392914 | 0 |
| 12.77.78.83 | 206392915 | 0 |
| 12.77.78.84 | 206392916 | 0 |
| 12.77.78.85 | 206392917 | 0 |