Les adresses IP débutant par 81.203.18 sont fournies par Cableuropa - Ono, elles appartiennent au CIDR (Classless Inter-Domain Routing) 81.202.0.0/15, le bloc IP comprant les adresses de 81.202.0.0 à 81.203.255.255). Le numéro de système autonome (ASN) est 6739.
| ASN | 6739 |
| IP commençant par | 81.202.0.0 |
| IP se terminant par | 81.203.255.255 |
| Nom ASN | Cableuropa - Ono |
| CDIR | 81.202.0.0/15 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 20/05/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | ES | Espagne | - | Castello de la Plana | 39,9833 | -0,0333 | 2018-05-20 |
| MaxMind | ES | Espagne | - | Castellón de la Plana | 39,9875 | -0,0392 | 2018-05-20 |
| Whois | ES | - | - | - | -4 | 40 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.203.18.0 | 1372262912 | 0 |
| 81.203.18.1 | 1372262913 | 0 |
| 81.203.18.2 | 1372262914 | 0 |
| 81.203.18.3 | 1372262915 | 0 |
| 81.203.18.4 | 1372262916 | 0 |
| 81.203.18.5 | 1372262917 | 0 |
| 81.203.18.6 | 1372262918 | 0 |
| 81.203.18.7 | 1372262919 | 0 |
| 81.203.18.8 | 1372262920 | 0 |
| 81.203.18.9 | 1372262921 | 0 |
| 81.203.18.10 | 1372262922 | 0 |
| 81.203.18.11 | 1372262923 | 0 |
| 81.203.18.12 | 1372262924 | 0 |
| 81.203.18.13 | 1372262925 | 0 |
| 81.203.18.14 | 1372262926 | 0 |
| 81.203.18.15 | 1372262927 | 0 |
| 81.203.18.16 | 1372262928 | 0 |
| 81.203.18.17 | 1372262929 | 0 |
| 81.203.18.18 | 1372262930 | 0 |
| 81.203.18.19 | 1372262931 | 0 |
| 81.203.18.20 | 1372262932 | 0 |
| 81.203.18.21 | 1372262933 | 0 |
| 81.203.18.22 | 1372262934 | 0 |
| 81.203.18.23 | 1372262935 | 0 |
| 81.203.18.24 | 1372262936 | 0 |
| 81.203.18.25 | 1372262937 | 0 |
| 81.203.18.26 | 1372262938 | 0 |
| 81.203.18.27 | 1372262939 | 0 |
| 81.203.18.28 | 1372262940 | 0 |
| 81.203.18.29 | 1372262941 | 0 |
| 81.203.18.30 | 1372262942 | 0 |
| 81.203.18.31 | 1372262943 | 0 |
| 81.203.18.32 | 1372262944 | 0 |
| 81.203.18.33 | 1372262945 | 0 |
| 81.203.18.34 | 1372262946 | 0 |
| 81.203.18.35 | 1372262947 | 0 |
| 81.203.18.36 | 1372262948 | 0 |
| 81.203.18.37 | 1372262949 | 0 |
| 81.203.18.38 | 1372262950 | 0 |
| 81.203.18.39 | 1372262951 | 0 |
| 81.203.18.40 | 1372262952 | 0 |
| 81.203.18.41 | 1372262953 | 0 |
| 81.203.18.42 | 1372262954 | 0 |
| 81.203.18.43 | 1372262955 | 0 |
| 81.203.18.44 | 1372262956 | 0 |
| 81.203.18.45 | 1372262957 | 0 |
| 81.203.18.46 | 1372262958 | 0 |
| 81.203.18.47 | 1372262959 | 0 |
| 81.203.18.48 | 1372262960 | 0 |
| 81.203.18.49 | 1372262961 | 0 |
| 81.203.18.50 | 1372262962 | 0 |
| 81.203.18.51 | 1372262963 | 0 |
| 81.203.18.52 | 1372262964 | 0 |
| 81.203.18.53 | 1372262965 | 0 |
| 81.203.18.54 | 1372262966 | 0 |
| 81.203.18.55 | 1372262967 | 0 |
| 81.203.18.56 | 1372262968 | 0 |
| 81.203.18.57 | 1372262969 | 0 |
| 81.203.18.58 | 1372262970 | 0 |
| 81.203.18.59 | 1372262971 | 0 |
| 81.203.18.60 | 1372262972 | 0 |
| 81.203.18.61 | 1372262973 | 0 |
| 81.203.18.62 | 1372262974 | 0 |
| 81.203.18.63 | 1372262975 | 0 |
| 81.203.18.64 | 1372262976 | 0 |
| 81.203.18.65 | 1372262977 | 0 |
| 81.203.18.66 | 1372262978 | 0 |
| 81.203.18.67 | 1372262979 | 0 |
| 81.203.18.68 | 1372262980 | 0 |
| 81.203.18.69 | 1372262981 | 0 |
| 81.203.18.70 | 1372262982 | 0 |
| 81.203.18.71 | 1372262983 | 0 |
| 81.203.18.72 | 1372262984 | 0 |
| 81.203.18.73 | 1372262985 | 0 |
| 81.203.18.74 | 1372262986 | 0 |
| 81.203.18.75 | 1372262987 | 0 |
| 81.203.18.76 | 1372262988 | 0 |
| 81.203.18.77 | 1372262989 | 0 |
| 81.203.18.78 | 1372262990 | 0 |
| 81.203.18.79 | 1372262991 | 0 |
| 81.203.18.80 | 1372262992 | 0 |
| 81.203.18.81 | 1372262993 | 0 |
| 81.203.18.82 | 1372262994 | 0 |
| 81.203.18.83 | 1372262995 | 0 |
| 81.203.18.84 | 1372262996 | 0 |
| 81.203.18.85 | 1372262997 | 0 |