Les adresses IP débutant par 81.18.243 sont fournies par , elles appartiennent au CIDR (Classless Inter-Domain Routing) 81.18.240.0/20, le bloc IP comprant les adresses de 81.18.240.0 à 81.18.255.255). Le numéro de système autonome (ASN) est 34430.
| ASN | 34430 |
| IP commençant par | 81.18.240.0 |
| IP se terminant par | 81.18.255.255 |
| Nom ASN | |
| CDIR | 81.18.240.0/20 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 18/11/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | CZ | République tchèque | - | Brno | 49,1952 | 16,608 | 2018-11-18 |
| MaxMind | NL | Pays-Bas | - | Amsterdam | 52,35 | 4,9167 | 2018-11-18 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.18.243.0 | 1360196352 | 0 |
| 81.18.243.1 | 1360196353 | 0 |
| 81.18.243.2 | 1360196354 | 0 |
| 81.18.243.3 | 1360196355 | 0 |
| 81.18.243.4 | 1360196356 | 0 |
| 81.18.243.5 | 1360196357 | 0 |
| 81.18.243.6 | 1360196358 | 0 |
| 81.18.243.7 | 1360196359 | 0 |
| 81.18.243.8 | 1360196360 | 0 |
| 81.18.243.9 | 1360196361 | 0 |
| 81.18.243.10 | 1360196362 | 0 |
| 81.18.243.11 | 1360196363 | 0 |
| 81.18.243.12 | 1360196364 | 0 |
| 81.18.243.13 | 1360196365 | 0 |
| 81.18.243.14 | 1360196366 | 0 |
| 81.18.243.15 | 1360196367 | 0 |
| 81.18.243.16 | 1360196368 | 0 |
| 81.18.243.17 | 1360196369 | 0 |
| 81.18.243.18 | 1360196370 | 0 |
| 81.18.243.19 | 1360196371 | 0 |
| 81.18.243.20 | 1360196372 | 0 |
| 81.18.243.21 | 1360196373 | 0 |
| 81.18.243.22 | 1360196374 | 0 |
| 81.18.243.23 | 1360196375 | 0 |
| 81.18.243.24 | 1360196376 | 0 |
| 81.18.243.25 | 1360196377 | 0 |
| 81.18.243.26 | 1360196378 | 0 |
| 81.18.243.27 | 1360196379 | 0 |
| 81.18.243.28 | 1360196380 | 0 |
| 81.18.243.29 | 1360196381 | 0 |
| 81.18.243.30 | 1360196382 | 0 |
| 81.18.243.31 | 1360196383 | 0 |
| 81.18.243.32 | 1360196384 | 0 |
| 81.18.243.33 | 1360196385 | 0 |
| 81.18.243.34 | 1360196386 | 0 |
| 81.18.243.35 | 1360196387 | 0 |
| 81.18.243.36 | 1360196388 | 0 |
| 81.18.243.37 | 1360196389 | 0 |
| 81.18.243.38 | 1360196390 | 0 |
| 81.18.243.39 | 1360196391 | 0 |
| 81.18.243.40 | 1360196392 | 0 |
| 81.18.243.41 | 1360196393 | 0 |
| 81.18.243.42 | 1360196394 | 0 |
| 81.18.243.43 | 1360196395 | 0 |
| 81.18.243.44 | 1360196396 | 0 |
| 81.18.243.45 | 1360196397 | 0 |
| 81.18.243.46 | 1360196398 | 0 |
| 81.18.243.47 | 1360196399 | 0 |
| 81.18.243.48 | 1360196400 | 0 |
| 81.18.243.49 | 1360196401 | 0 |
| 81.18.243.50 | 1360196402 | 0 |
| 81.18.243.51 | 1360196403 | 0 |
| 81.18.243.52 | 1360196404 | 0 |
| 81.18.243.53 | 1360196405 | 0 |
| 81.18.243.54 | 1360196406 | 0 |
| 81.18.243.55 | 1360196407 | 0 |
| 81.18.243.56 | 1360196408 | 0 |
| 81.18.243.57 | 1360196409 | 0 |
| 81.18.243.58 | 1360196410 | 0 |
| 81.18.243.59 | 1360196411 | 0 |
| 81.18.243.60 | 1360196412 | 0 |
| 81.18.243.61 | 1360196413 | 0 |
| 81.18.243.62 | 1360196414 | 0 |
| 81.18.243.63 | 1360196415 | 0 |
| 81.18.243.64 | 1360196416 | 0 |
| 81.18.243.65 | 1360196417 | 0 |
| 81.18.243.66 | 1360196418 | 0 |
| 81.18.243.67 | 1360196419 | 0 |
| 81.18.243.68 | 1360196420 | 0 |
| 81.18.243.69 | 1360196421 | 0 |
| 81.18.243.70 | 1360196422 | 0 |
| 81.18.243.71 | 1360196423 | 0 |
| 81.18.243.72 | 1360196424 | 0 |
| 81.18.243.73 | 1360196425 | 0 |
| 81.18.243.74 | 1360196426 | 0 |
| 81.18.243.75 | 1360196427 | 0 |
| 81.18.243.76 | 1360196428 | 0 |
| 81.18.243.77 | 1360196429 | 0 |
| 81.18.243.78 | 1360196430 | 0 |
| 81.18.243.79 | 1360196431 | 0 |
| 81.18.243.80 | 1360196432 | 0 |
| 81.18.243.81 | 1360196433 | 0 |
| 81.18.243.82 | 1360196434 | 0 |
| 81.18.243.83 | 1360196435 | 0 |
| 81.18.243.84 | 1360196436 | 0 |
| 81.18.243.85 | 1360196437 | 0 |