Les adresses IP débutant par 104.1.203 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 104.0.0.0/12, le bloc IP comprant les adresses de 104.0.0.0 à 104.15.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 104.0.0.0 |
| IP se terminant par | 104.15.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 104.0.0.0/12 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 01/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Miami | 25,7743 | -80,1937 | 2017-07-31 |
| MaxMind | US | États-Unis | - | Fort Lauderdale | 26,1452 | -80,1729 | 2017-07-31 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 104.1.203.0 | 1744947968 | 0 |
| 104.1.203.1 | 1744947969 | 0 |
| 104.1.203.2 | 1744947970 | 0 |
| 104.1.203.3 | 1744947971 | 0 |
| 104.1.203.4 | 1744947972 | 0 |
| 104.1.203.5 | 1744947973 | 0 |
| 104.1.203.6 | 1744947974 | 0 |
| 104.1.203.7 | 1744947975 | 0 |
| 104.1.203.8 | 1744947976 | 0 |
| 104.1.203.9 | 1744947977 | 0 |
| 104.1.203.10 | 1744947978 | 0 |
| 104.1.203.11 | 1744947979 | 0 |
| 104.1.203.12 | 1744947980 | 0 |
| 104.1.203.13 | 1744947981 | 0 |
| 104.1.203.14 | 1744947982 | 0 |
| 104.1.203.15 | 1744947983 | 0 |
| 104.1.203.16 | 1744947984 | 0 |
| 104.1.203.17 | 1744947985 | 0 |
| 104.1.203.18 | 1744947986 | 0 |
| 104.1.203.19 | 1744947987 | 0 |
| 104.1.203.20 | 1744947988 | 0 |
| 104.1.203.21 | 1744947989 | 0 |
| 104.1.203.22 | 1744947990 | 0 |
| 104.1.203.23 | 1744947991 | 0 |
| 104.1.203.24 | 1744947992 | 0 |
| 104.1.203.25 | 1744947993 | 0 |
| 104.1.203.26 | 1744947994 | 0 |
| 104.1.203.27 | 1744947995 | 0 |
| 104.1.203.28 | 1744947996 | 0 |
| 104.1.203.29 | 1744947997 | 0 |
| 104.1.203.30 | 1744947998 | 0 |
| 104.1.203.31 | 1744947999 | 0 |
| 104.1.203.32 | 1744948000 | 0 |
| 104.1.203.33 | 1744948001 | 0 |
| 104.1.203.34 | 1744948002 | 0 |
| 104.1.203.35 | 1744948003 | 0 |
| 104.1.203.36 | 1744948004 | 0 |
| 104.1.203.37 | 1744948005 | 0 |
| 104.1.203.38 | 1744948006 | 0 |
| 104.1.203.39 | 1744948007 | 0 |
| 104.1.203.40 | 1744948008 | 0 |
| 104.1.203.41 | 1744948009 | 0 |
| 104.1.203.42 | 1744948010 | 0 |
| 104.1.203.43 | 1744948011 | 0 |
| 104.1.203.44 | 1744948012 | 0 |
| 104.1.203.45 | 1744948013 | 0 |
| 104.1.203.46 | 1744948014 | 0 |
| 104.1.203.47 | 1744948015 | 0 |
| 104.1.203.48 | 1744948016 | 0 |
| 104.1.203.49 | 1744948017 | 0 |
| 104.1.203.50 | 1744948018 | 0 |
| 104.1.203.51 | 1744948019 | 0 |
| 104.1.203.52 | 1744948020 | 0 |
| 104.1.203.53 | 1744948021 | 0 |
| 104.1.203.54 | 1744948022 | 0 |
| 104.1.203.55 | 1744948023 | 0 |
| 104.1.203.56 | 1744948024 | 0 |
| 104.1.203.57 | 1744948025 | 0 |
| 104.1.203.58 | 1744948026 | 0 |
| 104.1.203.59 | 1744948027 | 0 |
| 104.1.203.60 | 1744948028 | 0 |
| 104.1.203.61 | 1744948029 | 0 |
| 104.1.203.62 | 1744948030 | 0 |
| 104.1.203.63 | 1744948031 | 0 |
| 104.1.203.64 | 1744948032 | 0 |
| 104.1.203.65 | 1744948033 | 0 |
| 104.1.203.66 | 1744948034 | 0 |
| 104.1.203.67 | 1744948035 | 0 |
| 104.1.203.68 | 1744948036 | 0 |
| 104.1.203.69 | 1744948037 | 0 |
| 104.1.203.70 | 1744948038 | 0 |
| 104.1.203.71 | 1744948039 | 0 |
| 104.1.203.72 | 1744948040 | 0 |
| 104.1.203.73 | 1744948041 | 0 |
| 104.1.203.74 | 1744948042 | 0 |
| 104.1.203.75 | 1744948043 | 0 |
| 104.1.203.76 | 1744948044 | 0 |
| 104.1.203.77 | 1744948045 | 0 |
| 104.1.203.78 | 1744948046 | 0 |
| 104.1.203.79 | 1744948047 | 0 |
| 104.1.203.80 | 1744948048 | 0 |
| 104.1.203.81 | 1744948049 | 0 |
| 104.1.203.82 | 1744948050 | 0 |
| 104.1.203.83 | 1744948051 | 0 |
| 104.1.203.84 | 1744948052 | 0 |
| 104.1.203.85 | 1744948053 | 0 |