Les adresses IP débutant par 3.81.97 sont fournies par Level 3 Communications, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 4.0.0.0/8, le bloc IP comprant les adresses de 4.0.0.0 à 4.255.255.255). Le numéro de système autonome (ASN) est 3356.
| ASN | 3356 |
| IP commençant par | 4.0.0.0 |
| IP se terminant par | 4.255.255.255 |
| Nom ASN | Level 3 Communications, Inc. |
| CDIR | 4.0.0.0/8 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 10/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Fairfield | 41,2184 | -73,2517 | 2017-09-09 |
| MaxMind | US | États-Unis | - | Fairfield | 41,1412 | -73,2637 | 2017-09-09 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 3.81.97.0 | 55664896 | 0 |
| 3.81.97.1 | 55664897 | 0 |
| 3.81.97.2 | 55664898 | 0 |
| 3.81.97.3 | 55664899 | 0 |
| 3.81.97.4 | 55664900 | 0 |
| 3.81.97.5 | 55664901 | 0 |
| 3.81.97.6 | 55664902 | 0 |
| 3.81.97.7 | 55664903 | 0 |
| 3.81.97.8 | 55664904 | 0 |
| 3.81.97.9 | 55664905 | 0 |
| 3.81.97.10 | 55664906 | 0 |
| 3.81.97.11 | 55664907 | 0 |
| 3.81.97.12 | 55664908 | 0 |
| 3.81.97.13 | 55664909 | 0 |
| 3.81.97.14 | 55664910 | 0 |
| 3.81.97.15 | 55664911 | 0 |
| 3.81.97.16 | 55664912 | 0 |
| 3.81.97.17 | 55664913 | 0 |
| 3.81.97.18 | 55664914 | 0 |
| 3.81.97.19 | 55664915 | 0 |
| 3.81.97.20 | 55664916 | 0 |
| 3.81.97.21 | 55664917 | 0 |
| 3.81.97.22 | 55664918 | 0 |
| 3.81.97.23 | 55664919 | 0 |
| 3.81.97.24 | 55664920 | 0 |
| 3.81.97.25 | 55664921 | 0 |
| 3.81.97.26 | 55664922 | 0 |
| 3.81.97.27 | 55664923 | 0 |
| 3.81.97.28 | 55664924 | 0 |
| 3.81.97.29 | 55664925 | 0 |
| 3.81.97.30 | 55664926 | 0 |
| 3.81.97.31 | 55664927 | 0 |
| 3.81.97.32 | 55664928 | 0 |
| 3.81.97.33 | 55664929 | 0 |
| 3.81.97.34 | 55664930 | 0 |
| 3.81.97.35 | 55664931 | 0 |
| 3.81.97.36 | 55664932 | 0 |
| 3.81.97.37 | 55664933 | 0 |
| 3.81.97.38 | 55664934 | 0 |
| 3.81.97.39 | 55664935 | 0 |
| 3.81.97.40 | 55664936 | 0 |
| 3.81.97.41 | 55664937 | 0 |
| 3.81.97.42 | 55664938 | 0 |
| 3.81.97.43 | 55664939 | 0 |
| 3.81.97.44 | 55664940 | 0 |
| 3.81.97.45 | 55664941 | 0 |
| 3.81.97.46 | 55664942 | 0 |
| 3.81.97.47 | 55664943 | 0 |
| 3.81.97.48 | 55664944 | 0 |
| 3.81.97.49 | 55664945 | 0 |
| 3.81.97.50 | 55664946 | 0 |
| 3.81.97.51 | 55664947 | 0 |
| 3.81.97.52 | 55664948 | 0 |
| 3.81.97.53 | 55664949 | 0 |
| 3.81.97.54 | 55664950 | 0 |
| 3.81.97.55 | 55664951 | 0 |
| 3.81.97.56 | 55664952 | 0 |
| 3.81.97.57 | 55664953 | 0 |
| 3.81.97.58 | 55664954 | 0 |
| 3.81.97.59 | 55664955 | 0 |
| 3.81.97.60 | 55664956 | 0 |
| 3.81.97.61 | 55664957 | 0 |
| 3.81.97.62 | 55664958 | 0 |
| 3.81.97.63 | 55664959 | 0 |
| 3.81.97.64 | 55664960 | 0 |
| 3.81.97.65 | 55664961 | 0 |
| 3.81.97.66 | 55664962 | 0 |
| 3.81.97.67 | 55664963 | 0 |
| 3.81.97.68 | 55664964 | 0 |
| 3.81.97.69 | 55664965 | 0 |
| 3.81.97.70 | 55664966 | 0 |
| 3.81.97.71 | 55664967 | 0 |
| 3.81.97.72 | 55664968 | 0 |
| 3.81.97.73 | 55664969 | 0 |
| 3.81.97.74 | 55664970 | 0 |
| 3.81.97.75 | 55664971 | 0 |
| 3.81.97.76 | 55664972 | 0 |
| 3.81.97.77 | 55664973 | 0 |
| 3.81.97.78 | 55664974 | 0 |
| 3.81.97.79 | 55664975 | 0 |
| 3.81.97.80 | 55664976 | 0 |
| 3.81.97.81 | 55664977 | 0 |
| 3.81.97.82 | 55664978 | 0 |
| 3.81.97.83 | 55664979 | 0 |
| 3.81.97.84 | 55664980 | 0 |
| 3.81.97.85 | 55664981 | 0 |