The IP address 81.203.51 is provided by Cableuropa - Ono, it's belong to the CDIR (Classless Inter-Domain Routing) 81.202.0.0/15 (range 81.202.0.0 to 81.203.255.255). The autonomous system number (ASN) is 6739.
| ASN | 6739 |
| IP starting by | 81.202.0.0 |
| IP ending by | 81.203.255.255 |
| ASN Name | Cableuropa - Ono |
| CDIR | 81.202.0.0/15 |
| Numerical IP | |
| Registry | ripencc |
| Last update | 21/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | ES | Spain | - | Castello de la Plana | 39.9833 | -0.0333 | 2017-08-21 |
| MaxMind | ES | Spain | - | Castelló de la Plana | 39.9875 | -0.0392 | 2017-08-21 |
| Whois | ES | - | - | - | -4 | 40 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.203.51.0 | 1372271360 | 0 |
| 81.203.51.1 | 1372271361 | 0 |
| 81.203.51.2 | 1372271362 | 0 |
| 81.203.51.3 | 1372271363 | 0 |
| 81.203.51.4 | 1372271364 | 0 |
| 81.203.51.5 | 1372271365 | 0 |
| 81.203.51.6 | 1372271366 | 0 |
| 81.203.51.7 | 1372271367 | 0 |
| 81.203.51.8 | 1372271368 | 0 |
| 81.203.51.9 | 1372271369 | 0 |
| 81.203.51.10 | 1372271370 | 0 |
| 81.203.51.11 | 1372271371 | 0 |
| 81.203.51.12 | 1372271372 | 0 |
| 81.203.51.13 | 1372271373 | 0 |
| 81.203.51.14 | 1372271374 | 0 |
| 81.203.51.15 | 1372271375 | 0 |
| 81.203.51.16 | 1372271376 | 0 |
| 81.203.51.17 | 1372271377 | 0 |
| 81.203.51.18 | 1372271378 | 0 |
| 81.203.51.19 | 1372271379 | 0 |
| 81.203.51.20 | 1372271380 | 0 |
| 81.203.51.21 | 1372271381 | 0 |
| 81.203.51.22 | 1372271382 | 0 |
| 81.203.51.23 | 1372271383 | 0 |
| 81.203.51.24 | 1372271384 | 0 |
| 81.203.51.25 | 1372271385 | 0 |
| 81.203.51.26 | 1372271386 | 0 |
| 81.203.51.27 | 1372271387 | 0 |
| 81.203.51.28 | 1372271388 | 0 |
| 81.203.51.29 | 1372271389 | 0 |
| 81.203.51.30 | 1372271390 | 0 |
| 81.203.51.31 | 1372271391 | 0 |
| 81.203.51.32 | 1372271392 | 0 |
| 81.203.51.33 | 1372271393 | 0 |
| 81.203.51.34 | 1372271394 | 0 |
| 81.203.51.35 | 1372271395 | 0 |
| 81.203.51.36 | 1372271396 | 0 |
| 81.203.51.37 | 1372271397 | 0 |
| 81.203.51.38 | 1372271398 | 0 |
| 81.203.51.39 | 1372271399 | 0 |
| 81.203.51.40 | 1372271400 | 0 |
| 81.203.51.41 | 1372271401 | 0 |
| 81.203.51.42 | 1372271402 | 0 |
| 81.203.51.43 | 1372271403 | 0 |
| 81.203.51.44 | 1372271404 | 0 |
| 81.203.51.45 | 1372271405 | 0 |
| 81.203.51.46 | 1372271406 | 0 |
| 81.203.51.47 | 1372271407 | 0 |
| 81.203.51.48 | 1372271408 | 0 |
| 81.203.51.49 | 1372271409 | 0 |
| 81.203.51.50 | 1372271410 | 0 |
| 81.203.51.51 | 1372271411 | 0 |
| 81.203.51.52 | 1372271412 | 0 |
| 81.203.51.53 | 1372271413 | 0 |
| 81.203.51.54 | 1372271414 | 0 |
| 81.203.51.55 | 1372271415 | 0 |
| 81.203.51.56 | 1372271416 | 0 |
| 81.203.51.57 | 1372271417 | 0 |
| 81.203.51.58 | 1372271418 | 0 |
| 81.203.51.59 | 1372271419 | 0 |
| 81.203.51.60 | 1372271420 | 0 |
| 81.203.51.61 | 1372271421 | 0 |
| 81.203.51.62 | 1372271422 | 0 |
| 81.203.51.63 | 1372271423 | 0 |
| 81.203.51.64 | 1372271424 | 0 |
| 81.203.51.65 | 1372271425 | 0 |
| 81.203.51.66 | 1372271426 | 0 |
| 81.203.51.67 | 1372271427 | 0 |
| 81.203.51.68 | 1372271428 | 0 |
| 81.203.51.69 | 1372271429 | 0 |
| 81.203.51.70 | 1372271430 | 0 |
| 81.203.51.71 | 1372271431 | 0 |
| 81.203.51.72 | 1372271432 | 0 |
| 81.203.51.73 | 1372271433 | 0 |
| 81.203.51.74 | 1372271434 | 0 |
| 81.203.51.75 | 1372271435 | 0 |
| 81.203.51.76 | 1372271436 | 0 |
| 81.203.51.77 | 1372271437 | 0 |
| 81.203.51.78 | 1372271438 | 0 |
| 81.203.51.79 | 1372271439 | 0 |
| 81.203.51.80 | 1372271440 | 0 |
| 81.203.51.81 | 1372271441 | 0 |
| 81.203.51.82 | 1372271442 | 0 |
| 81.203.51.83 | 1372271443 | 0 |
| 81.203.51.84 | 1372271444 | 0 |
| 81.203.51.85 | 1372271445 | 0 |