Les adresses IP débutant par 81.203.20 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 | 12/06/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | ES | Espagne | - | Castello de la Plana | 39,9833 | -0,0333 | 2018-06-11 |
| MaxMind | ES | Espagne | - | Almassora | 39,9475 | -0,065 | 2018-06-11 |
| Whois | ES | - | - | - | -4 | 40 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.203.20.0 | 1372263424 | 0 |
| 81.203.20.1 | 1372263425 | 0 |
| 81.203.20.2 | 1372263426 | 0 |
| 81.203.20.3 | 1372263427 | 0 |
| 81.203.20.4 | 1372263428 | 0 |
| 81.203.20.5 | 1372263429 | 0 |
| 81.203.20.6 | 1372263430 | 0 |
| 81.203.20.7 | 1372263431 | 0 |
| 81.203.20.8 | 1372263432 | 0 |
| 81.203.20.9 | 1372263433 | 0 |
| 81.203.20.10 | 1372263434 | 0 |
| 81.203.20.11 | 1372263435 | 0 |
| 81.203.20.12 | 1372263436 | 0 |
| 81.203.20.13 | 1372263437 | 0 |
| 81.203.20.14 | 1372263438 | 0 |
| 81.203.20.15 | 1372263439 | 0 |
| 81.203.20.16 | 1372263440 | 0 |
| 81.203.20.17 | 1372263441 | 0 |
| 81.203.20.18 | 1372263442 | 0 |
| 81.203.20.19 | 1372263443 | 0 |
| 81.203.20.20 | 1372263444 | 0 |
| 81.203.20.21 | 1372263445 | 0 |
| 81.203.20.22 | 1372263446 | 0 |
| 81.203.20.23 | 1372263447 | 0 |
| 81.203.20.24 | 1372263448 | 0 |
| 81.203.20.25 | 1372263449 | 0 |
| 81.203.20.26 | 1372263450 | 0 |
| 81.203.20.27 | 1372263451 | 0 |
| 81.203.20.28 | 1372263452 | 0 |
| 81.203.20.29 | 1372263453 | 0 |
| 81.203.20.30 | 1372263454 | 0 |
| 81.203.20.31 | 1372263455 | 0 |
| 81.203.20.32 | 1372263456 | 0 |
| 81.203.20.33 | 1372263457 | 0 |
| 81.203.20.34 | 1372263458 | 0 |
| 81.203.20.35 | 1372263459 | 0 |
| 81.203.20.36 | 1372263460 | 0 |
| 81.203.20.37 | 1372263461 | 0 |
| 81.203.20.38 | 1372263462 | 0 |
| 81.203.20.39 | 1372263463 | 0 |
| 81.203.20.40 | 1372263464 | 0 |
| 81.203.20.41 | 1372263465 | 0 |
| 81.203.20.42 | 1372263466 | 0 |
| 81.203.20.43 | 1372263467 | 0 |
| 81.203.20.44 | 1372263468 | 0 |
| 81.203.20.45 | 1372263469 | 0 |
| 81.203.20.46 | 1372263470 | 0 |
| 81.203.20.47 | 1372263471 | 0 |
| 81.203.20.48 | 1372263472 | 0 |
| 81.203.20.49 | 1372263473 | 0 |
| 81.203.20.50 | 1372263474 | 0 |
| 81.203.20.51 | 1372263475 | 0 |
| 81.203.20.52 | 1372263476 | 0 |
| 81.203.20.53 | 1372263477 | 0 |
| 81.203.20.54 | 1372263478 | 0 |
| 81.203.20.55 | 1372263479 | 0 |
| 81.203.20.56 | 1372263480 | 0 |
| 81.203.20.57 | 1372263481 | 0 |
| 81.203.20.58 | 1372263482 | 0 |
| 81.203.20.59 | 1372263483 | 0 |
| 81.203.20.60 | 1372263484 | 0 |
| 81.203.20.61 | 1372263485 | 0 |
| 81.203.20.62 | 1372263486 | 0 |
| 81.203.20.63 | 1372263487 | 0 |
| 81.203.20.64 | 1372263488 | 0 |
| 81.203.20.65 | 1372263489 | 0 |
| 81.203.20.66 | 1372263490 | 0 |
| 81.203.20.67 | 1372263491 | 0 |
| 81.203.20.68 | 1372263492 | 0 |
| 81.203.20.69 | 1372263493 | 0 |
| 81.203.20.70 | 1372263494 | 0 |
| 81.203.20.71 | 1372263495 | 0 |
| 81.203.20.72 | 1372263496 | 0 |
| 81.203.20.73 | 1372263497 | 0 |
| 81.203.20.74 | 1372263498 | 0 |
| 81.203.20.75 | 1372263499 | 0 |
| 81.203.20.76 | 1372263500 | 0 |
| 81.203.20.77 | 1372263501 | 0 |
| 81.203.20.78 | 1372263502 | 0 |
| 81.203.20.79 | 1372263503 | 0 |
| 81.203.20.80 | 1372263504 | 0 |
| 81.203.20.81 | 1372263505 | 0 |
| 81.203.20.82 | 1372263506 | 0 |
| 81.203.20.83 | 1372263507 | 0 |
| 81.203.20.84 | 1372263508 | 0 |
| 81.203.20.85 | 1372263509 | 0 |