Les adresses IP débutant par 166.20.48 sont fournies par AT&T Data Communications Services, elles appartiennent au CIDR (Classless Inter-Domain Routing) 166.20.0.0/16, le bloc IP comprant les adresses de 166.20.0.0 à 166.20.255.255). Le numéro de système autonome (ASN) est 2386.
| ASN | 2386 |
| IP commençant par | 166.20.0.0 |
| IP se terminant par | 166.20.255.255 |
| Nom ASN | AT&T Data Communications Services |
| CDIR | 166.20.0.0/16 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 23/01/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Cincinnati | 39,162 | -84,4569 | 2019-01-22 |
| MaxMind | US | États-Unis | - | New York | 40,7449 | -73,9782 | 2019-01-22 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.20.48.0 | 2786340864 | 0 |
| 166.20.48.1 | 2786340865 | 0 |
| 166.20.48.2 | 2786340866 | 0 |
| 166.20.48.3 | 2786340867 | 0 |
| 166.20.48.4 | 2786340868 | 0 |
| 166.20.48.5 | 2786340869 | 0 |
| 166.20.48.6 | 2786340870 | 0 |
| 166.20.48.7 | 2786340871 | 0 |
| 166.20.48.8 | 2786340872 | 0 |
| 166.20.48.9 | 2786340873 | 0 |
| 166.20.48.10 | 2786340874 | 0 |
| 166.20.48.11 | 2786340875 | 0 |
| 166.20.48.12 | 2786340876 | 0 |
| 166.20.48.13 | 2786340877 | 0 |
| 166.20.48.14 | 2786340878 | 0 |
| 166.20.48.15 | 2786340879 | 0 |
| 166.20.48.16 | 2786340880 | 0 |
| 166.20.48.17 | 2786340881 | 0 |
| 166.20.48.18 | 2786340882 | 0 |
| 166.20.48.19 | 2786340883 | 0 |
| 166.20.48.20 | 2786340884 | 0 |
| 166.20.48.21 | 2786340885 | 0 |
| 166.20.48.22 | 2786340886 | 0 |
| 166.20.48.23 | 2786340887 | 0 |
| 166.20.48.24 | 2786340888 | 0 |
| 166.20.48.25 | 2786340889 | 0 |
| 166.20.48.26 | 2786340890 | 0 |
| 166.20.48.27 | 2786340891 | 0 |
| 166.20.48.28 | 2786340892 | 0 |
| 166.20.48.29 | 2786340893 | 0 |
| 166.20.48.30 | 2786340894 | 0 |
| 166.20.48.31 | 2786340895 | 0 |
| 166.20.48.32 | 2786340896 | 0 |
| 166.20.48.33 | 2786340897 | 0 |
| 166.20.48.34 | 2786340898 | 0 |
| 166.20.48.35 | 2786340899 | 0 |
| 166.20.48.36 | 2786340900 | 0 |
| 166.20.48.37 | 2786340901 | 0 |
| 166.20.48.38 | 2786340902 | 0 |
| 166.20.48.39 | 2786340903 | 0 |
| 166.20.48.40 | 2786340904 | 0 |
| 166.20.48.41 | 2786340905 | 0 |
| 166.20.48.42 | 2786340906 | 0 |
| 166.20.48.43 | 2786340907 | 0 |
| 166.20.48.44 | 2786340908 | 0 |
| 166.20.48.45 | 2786340909 | 0 |
| 166.20.48.46 | 2786340910 | 0 |
| 166.20.48.47 | 2786340911 | 0 |
| 166.20.48.48 | 2786340912 | 0 |
| 166.20.48.49 | 2786340913 | 0 |
| 166.20.48.50 | 2786340914 | 0 |
| 166.20.48.51 | 2786340915 | 0 |
| 166.20.48.52 | 2786340916 | 0 |
| 166.20.48.53 | 2786340917 | 0 |
| 166.20.48.54 | 2786340918 | 0 |
| 166.20.48.55 | 2786340919 | 0 |
| 166.20.48.56 | 2786340920 | 0 |
| 166.20.48.57 | 2786340921 | 0 |
| 166.20.48.58 | 2786340922 | 0 |
| 166.20.48.59 | 2786340923 | 0 |
| 166.20.48.60 | 2786340924 | 0 |
| 166.20.48.61 | 2786340925 | 0 |
| 166.20.48.62 | 2786340926 | 0 |
| 166.20.48.63 | 2786340927 | 0 |
| 166.20.48.64 | 2786340928 | 0 |
| 166.20.48.65 | 2786340929 | 0 |
| 166.20.48.66 | 2786340930 | 0 |
| 166.20.48.67 | 2786340931 | 0 |
| 166.20.48.68 | 2786340932 | 0 |
| 166.20.48.69 | 2786340933 | 0 |
| 166.20.48.70 | 2786340934 | 0 |
| 166.20.48.71 | 2786340935 | 0 |
| 166.20.48.72 | 2786340936 | 0 |
| 166.20.48.73 | 2786340937 | 0 |
| 166.20.48.74 | 2786340938 | 0 |
| 166.20.48.75 | 2786340939 | 0 |
| 166.20.48.76 | 2786340940 | 0 |
| 166.20.48.77 | 2786340941 | 0 |
| 166.20.48.78 | 2786340942 | 0 |
| 166.20.48.79 | 2786340943 | 0 |
| 166.20.48.80 | 2786340944 | 0 |
| 166.20.48.81 | 2786340945 | 0 |
| 166.20.48.82 | 2786340946 | 0 |
| 166.20.48.83 | 2786340947 | 0 |
| 166.20.48.84 | 2786340948 | 0 |
| 166.20.48.85 | 2786340949 | 0 |