Les adresses IP débutant par 166.205.4 sont fournies par AT&T Mobility LLC, elles appartiennent au CIDR (Classless Inter-Domain Routing) 166.205.0.0/16, le bloc IP comprant les adresses de 166.205.0.0 à 166.205.255.255). Le numéro de système autonome (ASN) est 20057.
| ASN | 20057 |
| IP commençant par | 166.205.0.0 |
| IP se terminant par | 166.205.255.255 |
| Nom ASN | AT&T Mobility LLC |
| CDIR | 166.205.0.0/16 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 03/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | San Antonio | 29,4241 | -98,4936 | 2017-08-03 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-08-03 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.205.4.0 | 2798453760 | 0 |
| 166.205.4.1 | 2798453761 | 0 |
| 166.205.4.2 | 2798453762 | 0 |
| 166.205.4.3 | 2798453763 | 0 |
| 166.205.4.4 | 2798453764 | 0 |
| 166.205.4.5 | 2798453765 | 0 |
| 166.205.4.6 | 2798453766 | 0 |
| 166.205.4.7 | 2798453767 | 0 |
| 166.205.4.8 | 2798453768 | 0 |
| 166.205.4.9 | 2798453769 | 0 |
| 166.205.4.10 | 2798453770 | 0 |
| 166.205.4.11 | 2798453771 | 0 |
| 166.205.4.12 | 2798453772 | 0 |
| 166.205.4.13 | 2798453773 | 0 |
| 166.205.4.14 | 2798453774 | 0 |
| 166.205.4.15 | 2798453775 | 0 |
| 166.205.4.16 | 2798453776 | 0 |
| 166.205.4.17 | 2798453777 | 0 |
| 166.205.4.18 | 2798453778 | 0 |
| 166.205.4.19 | 2798453779 | 0 |
| 166.205.4.20 | 2798453780 | 0 |
| 166.205.4.21 | 2798453781 | 0 |
| 166.205.4.22 | 2798453782 | 0 |
| 166.205.4.23 | 2798453783 | 0 |
| 166.205.4.24 | 2798453784 | 0 |
| 166.205.4.25 | 2798453785 | 0 |
| 166.205.4.26 | 2798453786 | 0 |
| 166.205.4.27 | 2798453787 | 0 |
| 166.205.4.28 | 2798453788 | 0 |
| 166.205.4.29 | 2798453789 | 0 |
| 166.205.4.30 | 2798453790 | 0 |
| 166.205.4.31 | 2798453791 | 0 |
| 166.205.4.32 | 2798453792 | 0 |
| 166.205.4.33 | 2798453793 | 0 |
| 166.205.4.34 | 2798453794 | 0 |
| 166.205.4.35 | 2798453795 | 0 |
| 166.205.4.36 | 2798453796 | 0 |
| 166.205.4.37 | 2798453797 | 0 |
| 166.205.4.38 | 2798453798 | 0 |
| 166.205.4.39 | 2798453799 | 0 |
| 166.205.4.40 | 2798453800 | 0 |
| 166.205.4.41 | 2798453801 | 0 |
| 166.205.4.42 | 2798453802 | 0 |
| 166.205.4.43 | 2798453803 | 0 |
| 166.205.4.44 | 2798453804 | 0 |
| 166.205.4.45 | 2798453805 | 0 |
| 166.205.4.46 | 2798453806 | 0 |
| 166.205.4.47 | 2798453807 | 0 |
| 166.205.4.48 | 2798453808 | 0 |
| 166.205.4.49 | 2798453809 | 0 |
| 166.205.4.50 | 2798453810 | 0 |
| 166.205.4.51 | 2798453811 | 0 |
| 166.205.4.52 | 2798453812 | 0 |
| 166.205.4.53 | 2798453813 | 0 |
| 166.205.4.54 | 2798453814 | 0 |
| 166.205.4.55 | 2798453815 | 0 |
| 166.205.4.56 | 2798453816 | 0 |
| 166.205.4.57 | 2798453817 | 0 |
| 166.205.4.58 | 2798453818 | 0 |
| 166.205.4.59 | 2798453819 | 0 |
| 166.205.4.60 | 2798453820 | 0 |
| 166.205.4.61 | 2798453821 | 0 |
| 166.205.4.62 | 2798453822 | 0 |
| 166.205.4.63 | 2798453823 | 0 |
| 166.205.4.64 | 2798453824 | 0 |
| 166.205.4.65 | 2798453825 | 0 |
| 166.205.4.66 | 2798453826 | 0 |
| 166.205.4.67 | 2798453827 | 0 |
| 166.205.4.68 | 2798453828 | 0 |
| 166.205.4.69 | 2798453829 | 0 |
| 166.205.4.70 | 2798453830 | 0 |
| 166.205.4.71 | 2798453831 | 0 |
| 166.205.4.72 | 2798453832 | 0 |
| 166.205.4.73 | 2798453833 | 0 |
| 166.205.4.74 | 2798453834 | 0 |
| 166.205.4.75 | 2798453835 | 0 |
| 166.205.4.76 | 2798453836 | 0 |
| 166.205.4.77 | 2798453837 | 0 |
| 166.205.4.78 | 2798453838 | 0 |
| 166.205.4.79 | 2798453839 | 0 |
| 166.205.4.80 | 2798453840 | 0 |
| 166.205.4.81 | 2798453841 | 0 |
| 166.205.4.82 | 2798453842 | 0 |
| 166.205.4.83 | 2798453843 | 0 |
| 166.205.4.84 | 2798453844 | 0 |
| 166.205.4.85 | 2798453845 | 0 |