Les adresses IP débutant par 99.77.203 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 99.64.0.0/11, le bloc IP comprant les adresses de 99.64.0.0 à 99.95.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 99.64.0.0 |
| IP se terminant par | 99.95.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 99.64.0.0/11 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 30/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Richardson | 32,9924 | -96,6821 | 2017-07-29 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-07-29 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 99.77.203.0 | 1666042624 | 0 |
| 99.77.203.1 | 1666042625 | 0 |
| 99.77.203.2 | 1666042626 | 0 |
| 99.77.203.3 | 1666042627 | 0 |
| 99.77.203.4 | 1666042628 | 0 |
| 99.77.203.5 | 1666042629 | 0 |
| 99.77.203.6 | 1666042630 | 0 |
| 99.77.203.7 | 1666042631 | 0 |
| 99.77.203.8 | 1666042632 | 0 |
| 99.77.203.9 | 1666042633 | 0 |
| 99.77.203.10 | 1666042634 | 0 |
| 99.77.203.11 | 1666042635 | 0 |
| 99.77.203.12 | 1666042636 | 0 |
| 99.77.203.13 | 1666042637 | 0 |
| 99.77.203.14 | 1666042638 | 0 |
| 99.77.203.15 | 1666042639 | 0 |
| 99.77.203.16 | 1666042640 | 0 |
| 99.77.203.17 | 1666042641 | 0 |
| 99.77.203.18 | 1666042642 | 0 |
| 99.77.203.19 | 1666042643 | 0 |
| 99.77.203.20 | 1666042644 | 0 |
| 99.77.203.21 | 1666042645 | 0 |
| 99.77.203.22 | 1666042646 | 0 |
| 99.77.203.23 | 1666042647 | 0 |
| 99.77.203.24 | 1666042648 | 0 |
| 99.77.203.25 | 1666042649 | 0 |
| 99.77.203.26 | 1666042650 | 0 |
| 99.77.203.27 | 1666042651 | 0 |
| 99.77.203.28 | 1666042652 | 0 |
| 99.77.203.29 | 1666042653 | 0 |
| 99.77.203.30 | 1666042654 | 0 |
| 99.77.203.31 | 1666042655 | 0 |
| 99.77.203.32 | 1666042656 | 0 |
| 99.77.203.33 | 1666042657 | 0 |
| 99.77.203.34 | 1666042658 | 0 |
| 99.77.203.35 | 1666042659 | 0 |
| 99.77.203.36 | 1666042660 | 0 |
| 99.77.203.37 | 1666042661 | 0 |
| 99.77.203.38 | 1666042662 | 0 |
| 99.77.203.39 | 1666042663 | 0 |
| 99.77.203.40 | 1666042664 | 0 |
| 99.77.203.41 | 1666042665 | 0 |
| 99.77.203.42 | 1666042666 | 0 |
| 99.77.203.43 | 1666042667 | 0 |
| 99.77.203.44 | 1666042668 | 0 |
| 99.77.203.45 | 1666042669 | 0 |
| 99.77.203.46 | 1666042670 | 0 |
| 99.77.203.47 | 1666042671 | 0 |
| 99.77.203.48 | 1666042672 | 0 |
| 99.77.203.49 | 1666042673 | 0 |
| 99.77.203.50 | 1666042674 | 0 |
| 99.77.203.51 | 1666042675 | 0 |
| 99.77.203.52 | 1666042676 | 0 |
| 99.77.203.53 | 1666042677 | 0 |
| 99.77.203.54 | 1666042678 | 0 |
| 99.77.203.55 | 1666042679 | 0 |
| 99.77.203.56 | 1666042680 | 0 |
| 99.77.203.57 | 1666042681 | 0 |
| 99.77.203.58 | 1666042682 | 0 |
| 99.77.203.59 | 1666042683 | 0 |
| 99.77.203.60 | 1666042684 | 0 |
| 99.77.203.61 | 1666042685 | 0 |
| 99.77.203.62 | 1666042686 | 0 |
| 99.77.203.63 | 1666042687 | 0 |
| 99.77.203.64 | 1666042688 | 0 |
| 99.77.203.65 | 1666042689 | 0 |
| 99.77.203.66 | 1666042690 | 0 |
| 99.77.203.67 | 1666042691 | 0 |
| 99.77.203.68 | 1666042692 | 0 |
| 99.77.203.69 | 1666042693 | 0 |
| 99.77.203.70 | 1666042694 | 0 |
| 99.77.203.71 | 1666042695 | 0 |
| 99.77.203.72 | 1666042696 | 0 |
| 99.77.203.73 | 1666042697 | 0 |
| 99.77.203.74 | 1666042698 | 0 |
| 99.77.203.75 | 1666042699 | 0 |
| 99.77.203.76 | 1666042700 | 0 |
| 99.77.203.77 | 1666042701 | 0 |
| 99.77.203.78 | 1666042702 | 0 |
| 99.77.203.79 | 1666042703 | 0 |
| 99.77.203.80 | 1666042704 | 0 |
| 99.77.203.81 | 1666042705 | 0 |
| 99.77.203.82 | 1666042706 | 0 |
| 99.77.203.83 | 1666042707 | 0 |
| 99.77.203.84 | 1666042708 | 0 |
| 99.77.203.85 | 1666042709 | 0 |