L'indirizzo IP 172.1.243 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 | 11/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Eastport | 44,9062 | -66,99 | 2017-07-03 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-07-03 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.1.243.0 | 2885808896 | 0 |
| 172.1.243.1 | 2885808897 | 0 |
| 172.1.243.2 | 2885808898 | 0 |
| 172.1.243.3 | 2885808899 | 0 |
| 172.1.243.4 | 2885808900 | 0 |
| 172.1.243.5 | 2885808901 | 0 |
| 172.1.243.6 | 2885808902 | 0 |
| 172.1.243.7 | 2885808903 | 0 |
| 172.1.243.8 | 2885808904 | 0 |
| 172.1.243.9 | 2885808905 | 0 |
| 172.1.243.10 | 2885808906 | 0 |
| 172.1.243.11 | 2885808907 | 0 |
| 172.1.243.12 | 2885808908 | 0 |
| 172.1.243.13 | 2885808909 | 0 |
| 172.1.243.14 | 2885808910 | 0 |
| 172.1.243.15 | 2885808911 | 0 |
| 172.1.243.16 | 2885808912 | 0 |
| 172.1.243.17 | 2885808913 | 0 |
| 172.1.243.18 | 2885808914 | 0 |
| 172.1.243.19 | 2885808915 | 0 |
| 172.1.243.20 | 2885808916 | 0 |
| 172.1.243.21 | 2885808917 | 0 |
| 172.1.243.22 | 2885808918 | 0 |
| 172.1.243.23 | 2885808919 | 0 |
| 172.1.243.24 | 2885808920 | 0 |
| 172.1.243.25 | 2885808921 | 0 |
| 172.1.243.26 | 2885808922 | 0 |
| 172.1.243.27 | 2885808923 | 0 |
| 172.1.243.28 | 2885808924 | 0 |
| 172.1.243.29 | 2885808925 | 0 |
| 172.1.243.30 | 2885808926 | 0 |
| 172.1.243.31 | 2885808927 | 0 |
| 172.1.243.32 | 2885808928 | 0 |
| 172.1.243.33 | 2885808929 | 0 |
| 172.1.243.34 | 2885808930 | 0 |
| 172.1.243.35 | 2885808931 | 0 |
| 172.1.243.36 | 2885808932 | 0 |
| 172.1.243.37 | 2885808933 | 0 |
| 172.1.243.38 | 2885808934 | 0 |
| 172.1.243.39 | 2885808935 | 0 |
| 172.1.243.40 | 2885808936 | 0 |
| 172.1.243.41 | 2885808937 | 0 |
| 172.1.243.42 | 2885808938 | 0 |
| 172.1.243.43 | 2885808939 | 0 |
| 172.1.243.44 | 2885808940 | 0 |
| 172.1.243.45 | 2885808941 | 0 |
| 172.1.243.46 | 2885808942 | 0 |
| 172.1.243.47 | 2885808943 | 0 |
| 172.1.243.48 | 2885808944 | 0 |
| 172.1.243.49 | 2885808945 | 0 |
| 172.1.243.50 | 2885808946 | 0 |
| 172.1.243.51 | 2885808947 | 0 |
| 172.1.243.52 | 2885808948 | 0 |
| 172.1.243.53 | 2885808949 | 0 |
| 172.1.243.54 | 2885808950 | 0 |
| 172.1.243.55 | 2885808951 | 0 |
| 172.1.243.56 | 2885808952 | 0 |
| 172.1.243.57 | 2885808953 | 0 |
| 172.1.243.58 | 2885808954 | 0 |
| 172.1.243.59 | 2885808955 | 0 |
| 172.1.243.60 | 2885808956 | 0 |
| 172.1.243.61 | 2885808957 | 0 |
| 172.1.243.62 | 2885808958 | 0 |
| 172.1.243.63 | 2885808959 | 0 |
| 172.1.243.64 | 2885808960 | 0 |
| 172.1.243.65 | 2885808961 | 0 |
| 172.1.243.66 | 2885808962 | 0 |
| 172.1.243.67 | 2885808963 | 0 |
| 172.1.243.68 | 2885808964 | 0 |
| 172.1.243.69 | 2885808965 | 0 |
| 172.1.243.70 | 2885808966 | 0 |
| 172.1.243.71 | 2885808967 | 0 |
| 172.1.243.72 | 2885808968 | 0 |
| 172.1.243.73 | 2885808969 | 0 |
| 172.1.243.74 | 2885808970 | 0 |
| 172.1.243.75 | 2885808971 | 0 |
| 172.1.243.76 | 2885808972 | 0 |
| 172.1.243.77 | 2885808973 | 0 |
| 172.1.243.78 | 2885808974 | 0 |
| 172.1.243.79 | 2885808975 | 0 |
| 172.1.243.80 | 2885808976 | 0 |
| 172.1.243.81 | 2885808977 | 0 |
| 172.1.243.82 | 2885808978 | 0 |
| 172.1.243.83 | 2885808979 | 0 |
| 172.1.243.84 | 2885808980 | 0 |
| 172.1.243.85 | 2885808981 | 0 |