Les adresses IP débutant par 172.2.166 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 172.0.0.0/12, le bloc IP comprant les adresses de 172.0.0.0 à 172.15.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 172.0.0.0 |
| IP se terminant par | 172.15.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 172.0.0.0/12 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 08/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Hartford | 41,7637 | -72,6851 | 2017-08-08 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-08-08 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.2.166.0 | 2885854720 | 0 |
| 172.2.166.1 | 2885854721 | 0 |
| 172.2.166.2 | 2885854722 | 0 |
| 172.2.166.3 | 2885854723 | 0 |
| 172.2.166.4 | 2885854724 | 0 |
| 172.2.166.5 | 2885854725 | 0 |
| 172.2.166.6 | 2885854726 | 0 |
| 172.2.166.7 | 2885854727 | 0 |
| 172.2.166.8 | 2885854728 | 0 |
| 172.2.166.9 | 2885854729 | 0 |
| 172.2.166.10 | 2885854730 | 0 |
| 172.2.166.11 | 2885854731 | 0 |
| 172.2.166.12 | 2885854732 | 0 |
| 172.2.166.13 | 2885854733 | 0 |
| 172.2.166.14 | 2885854734 | 0 |
| 172.2.166.15 | 2885854735 | 0 |
| 172.2.166.16 | 2885854736 | 0 |
| 172.2.166.17 | 2885854737 | 0 |
| 172.2.166.18 | 2885854738 | 0 |
| 172.2.166.19 | 2885854739 | 0 |
| 172.2.166.20 | 2885854740 | 0 |
| 172.2.166.21 | 2885854741 | 0 |
| 172.2.166.22 | 2885854742 | 0 |
| 172.2.166.23 | 2885854743 | 0 |
| 172.2.166.24 | 2885854744 | 0 |
| 172.2.166.25 | 2885854745 | 0 |
| 172.2.166.26 | 2885854746 | 0 |
| 172.2.166.27 | 2885854747 | 0 |
| 172.2.166.28 | 2885854748 | 0 |
| 172.2.166.29 | 2885854749 | 0 |
| 172.2.166.30 | 2885854750 | 0 |
| 172.2.166.31 | 2885854751 | 0 |
| 172.2.166.32 | 2885854752 | 0 |
| 172.2.166.33 | 2885854753 | 0 |
| 172.2.166.34 | 2885854754 | 0 |
| 172.2.166.35 | 2885854755 | 0 |
| 172.2.166.36 | 2885854756 | 0 |
| 172.2.166.37 | 2885854757 | 0 |
| 172.2.166.38 | 2885854758 | 0 |
| 172.2.166.39 | 2885854759 | 0 |
| 172.2.166.40 | 2885854760 | 0 |
| 172.2.166.41 | 2885854761 | 0 |
| 172.2.166.42 | 2885854762 | 0 |
| 172.2.166.43 | 2885854763 | 0 |
| 172.2.166.44 | 2885854764 | 0 |
| 172.2.166.45 | 2885854765 | 0 |
| 172.2.166.46 | 2885854766 | 0 |
| 172.2.166.47 | 2885854767 | 0 |
| 172.2.166.48 | 2885854768 | 0 |
| 172.2.166.49 | 2885854769 | 0 |
| 172.2.166.50 | 2885854770 | 0 |
| 172.2.166.51 | 2885854771 | 0 |
| 172.2.166.52 | 2885854772 | 0 |
| 172.2.166.53 | 2885854773 | 0 |
| 172.2.166.54 | 2885854774 | 0 |
| 172.2.166.55 | 2885854775 | 0 |
| 172.2.166.56 | 2885854776 | 0 |
| 172.2.166.57 | 2885854777 | 0 |
| 172.2.166.58 | 2885854778 | 0 |
| 172.2.166.59 | 2885854779 | 0 |
| 172.2.166.60 | 2885854780 | 0 |
| 172.2.166.61 | 2885854781 | 0 |
| 172.2.166.62 | 2885854782 | 0 |
| 172.2.166.63 | 2885854783 | 0 |
| 172.2.166.64 | 2885854784 | 0 |
| 172.2.166.65 | 2885854785 | 0 |
| 172.2.166.66 | 2885854786 | 0 |
| 172.2.166.67 | 2885854787 | 0 |
| 172.2.166.68 | 2885854788 | 0 |
| 172.2.166.69 | 2885854789 | 0 |
| 172.2.166.70 | 2885854790 | 0 |
| 172.2.166.71 | 2885854791 | 0 |
| 172.2.166.72 | 2885854792 | 0 |
| 172.2.166.73 | 2885854793 | 0 |
| 172.2.166.74 | 2885854794 | 0 |
| 172.2.166.75 | 2885854795 | 0 |
| 172.2.166.76 | 2885854796 | 0 |
| 172.2.166.77 | 2885854797 | 0 |
| 172.2.166.78 | 2885854798 | 0 |
| 172.2.166.79 | 2885854799 | 0 |
| 172.2.166.80 | 2885854800 | 0 |
| 172.2.166.81 | 2885854801 | 0 |
| 172.2.166.82 | 2885854802 | 0 |
| 172.2.166.83 | 2885854803 | 0 |
| 172.2.166.84 | 2885854804 | 0 |
| 172.2.166.85 | 2885854805 | 0 |