Les adresses IP débutant par 99.21.165 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 99.16.0.0/12, le bloc IP comprant les adresses de 99.16.0.0 à 99.31.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 99.16.0.0 |
| IP se terminant par | 99.31.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 99.16.0.0/12 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 20/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Chicago | 41,85 | -87,6501 | 2017-07-19 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-07-19 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 99.21.165.0 | 1662362880 | 0 |
| 99.21.165.1 | 1662362881 | 0 |
| 99.21.165.2 | 1662362882 | 0 |
| 99.21.165.3 | 1662362883 | 0 |
| 99.21.165.4 | 1662362884 | 0 |
| 99.21.165.5 | 1662362885 | 0 |
| 99.21.165.6 | 1662362886 | 0 |
| 99.21.165.7 | 1662362887 | 0 |
| 99.21.165.8 | 1662362888 | 0 |
| 99.21.165.9 | 1662362889 | 0 |
| 99.21.165.10 | 1662362890 | 0 |
| 99.21.165.11 | 1662362891 | 0 |
| 99.21.165.12 | 1662362892 | 0 |
| 99.21.165.13 | 1662362893 | 0 |
| 99.21.165.14 | 1662362894 | 0 |
| 99.21.165.15 | 1662362895 | 0 |
| 99.21.165.16 | 1662362896 | 0 |
| 99.21.165.17 | 1662362897 | 0 |
| 99.21.165.18 | 1662362898 | 0 |
| 99.21.165.19 | 1662362899 | 0 |
| 99.21.165.20 | 1662362900 | 0 |
| 99.21.165.21 | 1662362901 | 0 |
| 99.21.165.22 | 1662362902 | 0 |
| 99.21.165.23 | 1662362903 | 0 |
| 99.21.165.24 | 1662362904 | 0 |
| 99.21.165.25 | 1662362905 | 0 |
| 99.21.165.26 | 1662362906 | 0 |
| 99.21.165.27 | 1662362907 | 0 |
| 99.21.165.28 | 1662362908 | 0 |
| 99.21.165.29 | 1662362909 | 0 |
| 99.21.165.30 | 1662362910 | 0 |
| 99.21.165.31 | 1662362911 | 0 |
| 99.21.165.32 | 1662362912 | 0 |
| 99.21.165.33 | 1662362913 | 0 |
| 99.21.165.34 | 1662362914 | 0 |
| 99.21.165.35 | 1662362915 | 0 |
| 99.21.165.36 | 1662362916 | 0 |
| 99.21.165.37 | 1662362917 | 0 |
| 99.21.165.38 | 1662362918 | 0 |
| 99.21.165.39 | 1662362919 | 0 |
| 99.21.165.40 | 1662362920 | 0 |
| 99.21.165.41 | 1662362921 | 0 |
| 99.21.165.42 | 1662362922 | 0 |
| 99.21.165.43 | 1662362923 | 0 |
| 99.21.165.44 | 1662362924 | 0 |
| 99.21.165.45 | 1662362925 | 0 |
| 99.21.165.46 | 1662362926 | 0 |
| 99.21.165.47 | 1662362927 | 0 |
| 99.21.165.48 | 1662362928 | 0 |
| 99.21.165.49 | 1662362929 | 0 |
| 99.21.165.50 | 1662362930 | 0 |
| 99.21.165.51 | 1662362931 | 0 |
| 99.21.165.52 | 1662362932 | 0 |
| 99.21.165.53 | 1662362933 | 0 |
| 99.21.165.54 | 1662362934 | 0 |
| 99.21.165.55 | 1662362935 | 0 |
| 99.21.165.56 | 1662362936 | 0 |
| 99.21.165.57 | 1662362937 | 0 |
| 99.21.165.58 | 1662362938 | 0 |
| 99.21.165.59 | 1662362939 | 0 |
| 99.21.165.60 | 1662362940 | 0 |
| 99.21.165.61 | 1662362941 | 0 |
| 99.21.165.62 | 1662362942 | 0 |
| 99.21.165.63 | 1662362943 | 0 |
| 99.21.165.64 | 1662362944 | 0 |
| 99.21.165.65 | 1662362945 | 0 |
| 99.21.165.66 | 1662362946 | 0 |
| 99.21.165.67 | 1662362947 | 0 |
| 99.21.165.68 | 1662362948 | 0 |
| 99.21.165.69 | 1662362949 | 0 |
| 99.21.165.70 | 1662362950 | 0 |
| 99.21.165.71 | 1662362951 | 0 |
| 99.21.165.72 | 1662362952 | 0 |
| 99.21.165.73 | 1662362953 | 0 |
| 99.21.165.74 | 1662362954 | 0 |
| 99.21.165.75 | 1662362955 | 0 |
| 99.21.165.76 | 1662362956 | 0 |
| 99.21.165.77 | 1662362957 | 0 |
| 99.21.165.78 | 1662362958 | 0 |
| 99.21.165.79 | 1662362959 | 0 |
| 99.21.165.80 | 1662362960 | 0 |
| 99.21.165.81 | 1662362961 | 0 |
| 99.21.165.82 | 1662362962 | 0 |
| 99.21.165.83 | 1662362963 | 0 |
| 99.21.165.84 | 1662362964 | 0 |
| 99.21.165.85 | 1662362965 | 0 |