Les adresses IP débutant par 170.91.72 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 170.91.0.0/17, le bloc IP comprant les adresses de 170.91.0.0 à 170.91.127.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 170.91.0.0 |
| IP se terminant par | 170.91.127.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 170.91.0.0/17 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 25/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | San Jose | 37,3744 | -121,8562 | 2017-07-24 |
| MaxMind | US | États-Unis | - | San Jose | 37,3721 | -121,8643 | 2017-07-24 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 170.91.72.0 | 2858108928 | 0 |
| 170.91.72.1 | 2858108929 | 0 |
| 170.91.72.2 | 2858108930 | 0 |
| 170.91.72.3 | 2858108931 | 0 |
| 170.91.72.4 | 2858108932 | 0 |
| 170.91.72.5 | 2858108933 | 0 |
| 170.91.72.6 | 2858108934 | 0 |
| 170.91.72.7 | 2858108935 | 0 |
| 170.91.72.8 | 2858108936 | 0 |
| 170.91.72.9 | 2858108937 | 0 |
| 170.91.72.10 | 2858108938 | 0 |
| 170.91.72.11 | 2858108939 | 0 |
| 170.91.72.12 | 2858108940 | 0 |
| 170.91.72.13 | 2858108941 | 0 |
| 170.91.72.14 | 2858108942 | 0 |
| 170.91.72.15 | 2858108943 | 0 |
| 170.91.72.16 | 2858108944 | 0 |
| 170.91.72.17 | 2858108945 | 0 |
| 170.91.72.18 | 2858108946 | 0 |
| 170.91.72.19 | 2858108947 | 0 |
| 170.91.72.20 | 2858108948 | 0 |
| 170.91.72.21 | 2858108949 | 0 |
| 170.91.72.22 | 2858108950 | 0 |
| 170.91.72.23 | 2858108951 | 0 |
| 170.91.72.24 | 2858108952 | 0 |
| 170.91.72.25 | 2858108953 | 0 |
| 170.91.72.26 | 2858108954 | 0 |
| 170.91.72.27 | 2858108955 | 0 |
| 170.91.72.28 | 2858108956 | 0 |
| 170.91.72.29 | 2858108957 | 0 |
| 170.91.72.30 | 2858108958 | 0 |
| 170.91.72.31 | 2858108959 | 0 |
| 170.91.72.32 | 2858108960 | 0 |
| 170.91.72.33 | 2858108961 | 0 |
| 170.91.72.34 | 2858108962 | 0 |
| 170.91.72.35 | 2858108963 | 0 |
| 170.91.72.36 | 2858108964 | 0 |
| 170.91.72.37 | 2858108965 | 0 |
| 170.91.72.38 | 2858108966 | 0 |
| 170.91.72.39 | 2858108967 | 0 |
| 170.91.72.40 | 2858108968 | 0 |
| 170.91.72.41 | 2858108969 | 0 |
| 170.91.72.42 | 2858108970 | 0 |
| 170.91.72.43 | 2858108971 | 0 |
| 170.91.72.44 | 2858108972 | 0 |
| 170.91.72.45 | 2858108973 | 0 |
| 170.91.72.46 | 2858108974 | 0 |
| 170.91.72.47 | 2858108975 | 0 |
| 170.91.72.48 | 2858108976 | 0 |
| 170.91.72.49 | 2858108977 | 0 |
| 170.91.72.50 | 2858108978 | 0 |
| 170.91.72.51 | 2858108979 | 0 |
| 170.91.72.52 | 2858108980 | 0 |
| 170.91.72.53 | 2858108981 | 0 |
| 170.91.72.54 | 2858108982 | 0 |
| 170.91.72.55 | 2858108983 | 0 |
| 170.91.72.56 | 2858108984 | 0 |
| 170.91.72.57 | 2858108985 | 0 |
| 170.91.72.58 | 2858108986 | 0 |
| 170.91.72.59 | 2858108987 | 0 |
| 170.91.72.60 | 2858108988 | 0 |
| 170.91.72.61 | 2858108989 | 0 |
| 170.91.72.62 | 2858108990 | 0 |
| 170.91.72.63 | 2858108991 | 0 |
| 170.91.72.64 | 2858108992 | 0 |
| 170.91.72.65 | 2858108993 | 0 |
| 170.91.72.66 | 2858108994 | 0 |
| 170.91.72.67 | 2858108995 | 0 |
| 170.91.72.68 | 2858108996 | 0 |
| 170.91.72.69 | 2858108997 | 0 |
| 170.91.72.70 | 2858108998 | 0 |
| 170.91.72.71 | 2858108999 | 0 |
| 170.91.72.72 | 2858109000 | 0 |
| 170.91.72.73 | 2858109001 | 0 |
| 170.91.72.74 | 2858109002 | 0 |
| 170.91.72.75 | 2858109003 | 0 |
| 170.91.72.76 | 2858109004 | 0 |
| 170.91.72.77 | 2858109005 | 0 |
| 170.91.72.78 | 2858109006 | 0 |
| 170.91.72.79 | 2858109007 | 0 |
| 170.91.72.80 | 2858109008 | 0 |
| 170.91.72.81 | 2858109009 | 0 |
| 170.91.72.82 | 2858109010 | 0 |
| 170.91.72.83 | 2858109011 | 0 |
| 170.91.72.84 | 2858109012 | 0 |
| 170.91.72.85 | 2858109013 | 0 |