Les adresses IP débutant par 89.103.66 sont fournies par formerly known as UPC Broadband Holding B.V., elles appartiennent au CIDR (Classless Inter-Domain Routing) 89.102.0.0/15, le bloc IP comprant les adresses de 89.102.0.0 à 89.103.255.255). Le numéro de système autonome (ASN) est 6830.
| ASN | 6830 |
| IP commençant par | 89.102.0.0 |
| IP se terminant par | 89.103.255.255 |
| Nom ASN | formerly known as UPC Broadband Holding B.V. |
| CDIR | 89.102.0.0/15 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 15/10/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | CZ | République tchèque | - | Hostivice | 50,0816 | 14,2586 | 2017-10-15 |
| MaxMind | CZ | République tchèque | - | Teplice | 50,6466 | 13,8401 | 2017-10-15 |
| Whois | CZ | - | - | - | 15 | 50 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 89.103.66.0 | 1499939328 | 0 |
| 89.103.66.1 | 1499939329 | 0 |
| 89.103.66.2 | 1499939330 | 0 |
| 89.103.66.3 | 1499939331 | 0 |
| 89.103.66.4 | 1499939332 | 0 |
| 89.103.66.5 | 1499939333 | 0 |
| 89.103.66.6 | 1499939334 | 0 |
| 89.103.66.7 | 1499939335 | 0 |
| 89.103.66.8 | 1499939336 | 0 |
| 89.103.66.9 | 1499939337 | 0 |
| 89.103.66.10 | 1499939338 | 0 |
| 89.103.66.11 | 1499939339 | 0 |
| 89.103.66.12 | 1499939340 | 0 |
| 89.103.66.13 | 1499939341 | 0 |
| 89.103.66.14 | 1499939342 | 0 |
| 89.103.66.15 | 1499939343 | 0 |
| 89.103.66.16 | 1499939344 | 0 |
| 89.103.66.17 | 1499939345 | 0 |
| 89.103.66.18 | 1499939346 | 0 |
| 89.103.66.19 | 1499939347 | 0 |
| 89.103.66.20 | 1499939348 | 0 |
| 89.103.66.21 | 1499939349 | 0 |
| 89.103.66.22 | 1499939350 | 0 |
| 89.103.66.23 | 1499939351 | 0 |
| 89.103.66.24 | 1499939352 | 0 |
| 89.103.66.25 | 1499939353 | 0 |
| 89.103.66.26 | 1499939354 | 0 |
| 89.103.66.27 | 1499939355 | 0 |
| 89.103.66.28 | 1499939356 | 0 |
| 89.103.66.29 | 1499939357 | 0 |
| 89.103.66.30 | 1499939358 | 0 |
| 89.103.66.31 | 1499939359 | 0 |
| 89.103.66.32 | 1499939360 | 0 |
| 89.103.66.33 | 1499939361 | 0 |
| 89.103.66.34 | 1499939362 | 0 |
| 89.103.66.35 | 1499939363 | 0 |
| 89.103.66.36 | 1499939364 | 0 |
| 89.103.66.37 | 1499939365 | 0 |
| 89.103.66.38 | 1499939366 | 0 |
| 89.103.66.39 | 1499939367 | 0 |
| 89.103.66.40 | 1499939368 | 0 |
| 89.103.66.41 | 1499939369 | 0 |
| 89.103.66.42 | 1499939370 | 0 |
| 89.103.66.43 | 1499939371 | 0 |
| 89.103.66.44 | 1499939372 | 0 |
| 89.103.66.45 | 1499939373 | 0 |
| 89.103.66.46 | 1499939374 | 0 |
| 89.103.66.47 | 1499939375 | 0 |
| 89.103.66.48 | 1499939376 | 0 |
| 89.103.66.49 | 1499939377 | 0 |
| 89.103.66.50 | 1499939378 | 0 |
| 89.103.66.51 | 1499939379 | 0 |
| 89.103.66.52 | 1499939380 | 0 |
| 89.103.66.53 | 1499939381 | 0 |
| 89.103.66.54 | 1499939382 | 0 |
| 89.103.66.55 | 1499939383 | 0 |
| 89.103.66.56 | 1499939384 | 0 |
| 89.103.66.57 | 1499939385 | 0 |
| 89.103.66.58 | 1499939386 | 0 |
| 89.103.66.59 | 1499939387 | 0 |
| 89.103.66.60 | 1499939388 | 0 |
| 89.103.66.61 | 1499939389 | 0 |
| 89.103.66.62 | 1499939390 | 0 |
| 89.103.66.63 | 1499939391 | 0 |
| 89.103.66.64 | 1499939392 | 0 |
| 89.103.66.65 | 1499939393 | 0 |
| 89.103.66.66 | 1499939394 | 0 |
| 89.103.66.67 | 1499939395 | 0 |
| 89.103.66.68 | 1499939396 | 0 |
| 89.103.66.69 | 1499939397 | 0 |
| 89.103.66.70 | 1499939398 | 0 |
| 89.103.66.71 | 1499939399 | 0 |
| 89.103.66.72 | 1499939400 | 0 |
| 89.103.66.73 | 1499939401 | 0 |
| 89.103.66.74 | 1499939402 | 0 |
| 89.103.66.75 | 1499939403 | 0 |
| 89.103.66.76 | 1499939404 | 0 |
| 89.103.66.77 | 1499939405 | 0 |
| 89.103.66.78 | 1499939406 | 0 |
| 89.103.66.79 | 1499939407 | 0 |
| 89.103.66.80 | 1499939408 | 0 |
| 89.103.66.81 | 1499939409 | 0 |
| 89.103.66.82 | 1499939410 | 0 |
| 89.103.66.83 | 1499939411 | 0 |
| 89.103.66.84 | 1499939412 | 0 |
| 89.103.66.85 | 1499939413 | 0 |