L'indirizzo IP 172.28.23 è fornito da AT&T Services, Inc., che è di proprietà del CIDR (Classless Inter-Domain Routing) 172.0.0.0/12, IP tra 172.0.0.0 a 172.15.255.255 ). Il numero di sistema autonomo (ASN) è 7018.
| ASN | 7018 |
| IP inizia con | 172.0.0.0 |
| IP finale con | 172.15.255.255 |
| ASN Nome | AT&T Services, Inc. |
| CDIR | 172.0.0.0/12 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 04/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | - | - | - | - | 0 | 0 | 2017-07-04 |
| MaxMind | US | United States | - | Valencia | 34,418 | -118,5662 | 2017-07-04 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.28.23.0 | 2887522048 | 0 |
| 172.28.23.1 | 2887522049 | 0 |
| 172.28.23.2 | 2887522050 | 0 |
| 172.28.23.3 | 2887522051 | 0 |
| 172.28.23.4 | 2887522052 | 0 |
| 172.28.23.5 | 2887522053 | 0 |
| 172.28.23.6 | 2887522054 | 0 |
| 172.28.23.7 | 2887522055 | 0 |
| 172.28.23.8 | 2887522056 | 0 |
| 172.28.23.9 | 2887522057 | 0 |
| 172.28.23.10 | 2887522058 | 0 |
| 172.28.23.11 | 2887522059 | 0 |
| 172.28.23.12 | 2887522060 | 0 |
| 172.28.23.13 | 2887522061 | 0 |
| 172.28.23.14 | 2887522062 | 0 |
| 172.28.23.15 | 2887522063 | 0 |
| 172.28.23.16 | 2887522064 | 0 |
| 172.28.23.17 | 2887522065 | 0 |
| 172.28.23.18 | 2887522066 | 0 |
| 172.28.23.19 | 2887522067 | 0 |
| 172.28.23.20 | 2887522068 | 0 |
| 172.28.23.21 | 2887522069 | 0 |
| 172.28.23.22 | 2887522070 | 0 |
| 172.28.23.23 | 2887522071 | 0 |
| 172.28.23.24 | 2887522072 | 0 |
| 172.28.23.25 | 2887522073 | 0 |
| 172.28.23.26 | 2887522074 | 0 |
| 172.28.23.27 | 2887522075 | 0 |
| 172.28.23.28 | 2887522076 | 0 |
| 172.28.23.29 | 2887522077 | 0 |
| 172.28.23.30 | 2887522078 | 0 |
| 172.28.23.31 | 2887522079 | 0 |
| 172.28.23.32 | 2887522080 | 0 |
| 172.28.23.33 | 2887522081 | 0 |
| 172.28.23.34 | 2887522082 | 0 |
| 172.28.23.35 | 2887522083 | 0 |
| 172.28.23.36 | 2887522084 | 0 |
| 172.28.23.37 | 2887522085 | 0 |
| 172.28.23.38 | 2887522086 | 0 |
| 172.28.23.39 | 2887522087 | 0 |
| 172.28.23.40 | 2887522088 | 0 |
| 172.28.23.41 | 2887522089 | 0 |
| 172.28.23.42 | 2887522090 | 0 |
| 172.28.23.43 | 2887522091 | 0 |
| 172.28.23.44 | 2887522092 | 0 |
| 172.28.23.45 | 2887522093 | 0 |
| 172.28.23.46 | 2887522094 | 0 |
| 172.28.23.47 | 2887522095 | 0 |
| 172.28.23.48 | 2887522096 | 0 |
| 172.28.23.49 | 2887522097 | 0 |
| 172.28.23.50 | 2887522098 | 0 |
| 172.28.23.51 | 2887522099 | 0 |
| 172.28.23.52 | 2887522100 | 0 |
| 172.28.23.53 | 2887522101 | 0 |
| 172.28.23.54 | 2887522102 | 0 |
| 172.28.23.55 | 2887522103 | 0 |
| 172.28.23.56 | 2887522104 | 0 |
| 172.28.23.57 | 2887522105 | 0 |
| 172.28.23.58 | 2887522106 | 0 |
| 172.28.23.59 | 2887522107 | 0 |
| 172.28.23.60 | 2887522108 | 0 |
| 172.28.23.61 | 2887522109 | 0 |
| 172.28.23.62 | 2887522110 | 0 |
| 172.28.23.63 | 2887522111 | 0 |
| 172.28.23.64 | 2887522112 | 0 |
| 172.28.23.65 | 2887522113 | 0 |
| 172.28.23.66 | 2887522114 | 0 |
| 172.28.23.67 | 2887522115 | 0 |
| 172.28.23.68 | 2887522116 | 0 |
| 172.28.23.69 | 2887522117 | 0 |
| 172.28.23.70 | 2887522118 | 0 |
| 172.28.23.71 | 2887522119 | 0 |
| 172.28.23.72 | 2887522120 | 0 |
| 172.28.23.73 | 2887522121 | 0 |
| 172.28.23.74 | 2887522122 | 0 |
| 172.28.23.75 | 2887522123 | 0 |
| 172.28.23.76 | 2887522124 | 0 |
| 172.28.23.77 | 2887522125 | 0 |
| 172.28.23.78 | 2887522126 | 0 |
| 172.28.23.79 | 2887522127 | 0 |
| 172.28.23.80 | 2887522128 | 0 |
| 172.28.23.81 | 2887522129 | 0 |
| 172.28.23.82 | 2887522130 | 0 |
| 172.28.23.83 | 2887522131 | 0 |
| 172.28.23.84 | 2887522132 | 0 |
| 172.28.23.85 | 2887522133 | 0 |