Les adresses IP débutant par 66.139.23 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 66.136.0.0/13, le bloc IP comprant les adresses de 66.136.0.0 à 66.143.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 66.136.0.0 |
| IP se terminant par | 66.143.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 66.136.0.0/13 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 07/06/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Houston | 29,7633 | -95,3633 | 2018-06-07 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2018-06-07 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 66.139.23.0 | 1116411648 | 0 |
| 66.139.23.1 | 1116411649 | 0 |
| 66.139.23.2 | 1116411650 | 0 |
| 66.139.23.3 | 1116411651 | 0 |
| 66.139.23.4 | 1116411652 | 0 |
| 66.139.23.5 | 1116411653 | 0 |
| 66.139.23.6 | 1116411654 | 0 |
| 66.139.23.7 | 1116411655 | 0 |
| 66.139.23.8 | 1116411656 | 0 |
| 66.139.23.9 | 1116411657 | 0 |
| 66.139.23.10 | 1116411658 | 0 |
| 66.139.23.11 | 1116411659 | 0 |
| 66.139.23.12 | 1116411660 | 0 |
| 66.139.23.13 | 1116411661 | 0 |
| 66.139.23.14 | 1116411662 | 0 |
| 66.139.23.15 | 1116411663 | 0 |
| 66.139.23.16 | 1116411664 | 0 |
| 66.139.23.17 | 1116411665 | 0 |
| 66.139.23.18 | 1116411666 | 0 |
| 66.139.23.19 | 1116411667 | 0 |
| 66.139.23.20 | 1116411668 | 0 |
| 66.139.23.21 | 1116411669 | 0 |
| 66.139.23.22 | 1116411670 | 0 |
| 66.139.23.23 | 1116411671 | 0 |
| 66.139.23.24 | 1116411672 | 0 |
| 66.139.23.25 | 1116411673 | 0 |
| 66.139.23.26 | 1116411674 | 0 |
| 66.139.23.27 | 1116411675 | 0 |
| 66.139.23.28 | 1116411676 | 0 |
| 66.139.23.29 | 1116411677 | 0 |
| 66.139.23.30 | 1116411678 | 0 |
| 66.139.23.31 | 1116411679 | 0 |
| 66.139.23.32 | 1116411680 | 0 |
| 66.139.23.33 | 1116411681 | 0 |
| 66.139.23.34 | 1116411682 | 0 |
| 66.139.23.35 | 1116411683 | 0 |
| 66.139.23.36 | 1116411684 | 0 |
| 66.139.23.37 | 1116411685 | 0 |
| 66.139.23.38 | 1116411686 | 0 |
| 66.139.23.39 | 1116411687 | 0 |
| 66.139.23.40 | 1116411688 | 0 |
| 66.139.23.41 | 1116411689 | 0 |
| 66.139.23.42 | 1116411690 | 0 |
| 66.139.23.43 | 1116411691 | 0 |
| 66.139.23.44 | 1116411692 | 0 |
| 66.139.23.45 | 1116411693 | 0 |
| 66.139.23.46 | 1116411694 | 0 |
| 66.139.23.47 | 1116411695 | 0 |
| 66.139.23.48 | 1116411696 | 0 |
| 66.139.23.49 | 1116411697 | 0 |
| 66.139.23.50 | 1116411698 | 0 |
| 66.139.23.51 | 1116411699 | 0 |
| 66.139.23.52 | 1116411700 | 0 |
| 66.139.23.53 | 1116411701 | 0 |
| 66.139.23.54 | 1116411702 | 0 |
| 66.139.23.55 | 1116411703 | 0 |
| 66.139.23.56 | 1116411704 | 0 |
| 66.139.23.57 | 1116411705 | 0 |
| 66.139.23.58 | 1116411706 | 0 |
| 66.139.23.59 | 1116411707 | 0 |
| 66.139.23.60 | 1116411708 | 0 |
| 66.139.23.61 | 1116411709 | 0 |
| 66.139.23.62 | 1116411710 | 0 |
| 66.139.23.63 | 1116411711 | 0 |
| 66.139.23.64 | 1116411712 | 0 |
| 66.139.23.65 | 1116411713 | 0 |
| 66.139.23.66 | 1116411714 | 0 |
| 66.139.23.67 | 1116411715 | 0 |
| 66.139.23.68 | 1116411716 | 0 |
| 66.139.23.69 | 1116411717 | 0 |
| 66.139.23.70 | 1116411718 | 0 |
| 66.139.23.71 | 1116411719 | 0 |
| 66.139.23.72 | 1116411720 | 0 |
| 66.139.23.73 | 1116411721 | 0 |
| 66.139.23.74 | 1116411722 | 0 |
| 66.139.23.75 | 1116411723 | 0 |
| 66.139.23.76 | 1116411724 | 0 |
| 66.139.23.77 | 1116411725 | 0 |
| 66.139.23.78 | 1116411726 | 0 |
| 66.139.23.79 | 1116411727 | 0 |
| 66.139.23.80 | 1116411728 | 0 |
| 66.139.23.81 | 1116411729 | 0 |
| 66.139.23.82 | 1116411730 | 0 |
| 66.139.23.83 | 1116411731 | 0 |
| 66.139.23.84 | 1116411732 | 0 |
| 66.139.23.85 | 1116411733 | 0 |