Les adresses IP débutant par 8.121.56 sont fournies par Level 3 Communications, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 8.0.0.0/8, le bloc IP comprant les adresses de 8.0.0.0 à 8.255.255.255). Le numéro de système autonome (ASN) est 3356.
| ASN | 3356 |
| IP commençant par | 8.0.0.0 |
| IP se terminant par | 8.255.255.255 |
| Nom ASN | Level 3 Communications, Inc. |
| CDIR | 8.0.0.0/8 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 22/11/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Broomfield | 39,8828 | -105,1065 | 2018-11-22 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2018-11-22 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 8.121.56.0 | 142161920 | 0 |
| 8.121.56.1 | 142161921 | 0 |
| 8.121.56.2 | 142161922 | 0 |
| 8.121.56.3 | 142161923 | 0 |
| 8.121.56.4 | 142161924 | 0 |
| 8.121.56.5 | 142161925 | 0 |
| 8.121.56.6 | 142161926 | 0 |
| 8.121.56.7 | 142161927 | 0 |
| 8.121.56.8 | 142161928 | 0 |
| 8.121.56.9 | 142161929 | 0 |
| 8.121.56.10 | 142161930 | 0 |
| 8.121.56.11 | 142161931 | 0 |
| 8.121.56.12 | 142161932 | 0 |
| 8.121.56.13 | 142161933 | 0 |
| 8.121.56.14 | 142161934 | 0 |
| 8.121.56.15 | 142161935 | 0 |
| 8.121.56.16 | 142161936 | 0 |
| 8.121.56.17 | 142161937 | 0 |
| 8.121.56.18 | 142161938 | 0 |
| 8.121.56.19 | 142161939 | 0 |
| 8.121.56.20 | 142161940 | 0 |
| 8.121.56.21 | 142161941 | 0 |
| 8.121.56.22 | 142161942 | 0 |
| 8.121.56.23 | 142161943 | 0 |
| 8.121.56.24 | 142161944 | 0 |
| 8.121.56.25 | 142161945 | 0 |
| 8.121.56.26 | 142161946 | 0 |
| 8.121.56.27 | 142161947 | 0 |
| 8.121.56.28 | 142161948 | 0 |
| 8.121.56.29 | 142161949 | 0 |
| 8.121.56.30 | 142161950 | 0 |
| 8.121.56.31 | 142161951 | 0 |
| 8.121.56.32 | 142161952 | 0 |
| 8.121.56.33 | 142161953 | 0 |
| 8.121.56.34 | 142161954 | 0 |
| 8.121.56.35 | 142161955 | 0 |
| 8.121.56.36 | 142161956 | 0 |
| 8.121.56.37 | 142161957 | 0 |
| 8.121.56.38 | 142161958 | 0 |
| 8.121.56.39 | 142161959 | 0 |
| 8.121.56.40 | 142161960 | 0 |
| 8.121.56.41 | 142161961 | 0 |
| 8.121.56.42 | 142161962 | 0 |
| 8.121.56.43 | 142161963 | 0 |
| 8.121.56.44 | 142161964 | 0 |
| 8.121.56.45 | 142161965 | 0 |
| 8.121.56.46 | 142161966 | 0 |
| 8.121.56.47 | 142161967 | 0 |
| 8.121.56.48 | 142161968 | 0 |
| 8.121.56.49 | 142161969 | 0 |
| 8.121.56.50 | 142161970 | 0 |
| 8.121.56.51 | 142161971 | 0 |
| 8.121.56.52 | 142161972 | 0 |
| 8.121.56.53 | 142161973 | 0 |
| 8.121.56.54 | 142161974 | 0 |
| 8.121.56.55 | 142161975 | 0 |
| 8.121.56.56 | 142161976 | 0 |
| 8.121.56.57 | 142161977 | 0 |
| 8.121.56.58 | 142161978 | 0 |
| 8.121.56.59 | 142161979 | 0 |
| 8.121.56.60 | 142161980 | 0 |
| 8.121.56.61 | 142161981 | 0 |
| 8.121.56.62 | 142161982 | 0 |
| 8.121.56.63 | 142161983 | 0 |
| 8.121.56.64 | 142161984 | 0 |
| 8.121.56.65 | 142161985 | 0 |
| 8.121.56.66 | 142161986 | 0 |
| 8.121.56.67 | 142161987 | 0 |
| 8.121.56.68 | 142161988 | 0 |
| 8.121.56.69 | 142161989 | 0 |
| 8.121.56.70 | 142161990 | 0 |
| 8.121.56.71 | 142161991 | 0 |
| 8.121.56.72 | 142161992 | 0 |
| 8.121.56.73 | 142161993 | 0 |
| 8.121.56.74 | 142161994 | 0 |
| 8.121.56.75 | 142161995 | 0 |
| 8.121.56.76 | 142161996 | 0 |
| 8.121.56.77 | 142161997 | 0 |
| 8.121.56.78 | 142161998 | 0 |
| 8.121.56.79 | 142161999 | 0 |
| 8.121.56.80 | 142162000 | 0 |
| 8.121.56.81 | 142162001 | 0 |
| 8.121.56.82 | 142162002 | 0 |
| 8.121.56.83 | 142162003 | 0 |
| 8.121.56.84 | 142162004 | 0 |
| 8.121.56.85 | 142162005 | 0 |