Les adresses IP débutant par 89.103.72 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 | |
| Dernière mise à jour | 24/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | CZ | République tchèque | - | Brno | 49,1952 | 16,608 | 2017-09-24 |
| MaxMind | CZ | République tchèque | - | Brno | 49,2 | 16,6333 | 2017-09-24 |
| Whois | CZ | - | - | - | 15 | 50 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 89.103.72.0 | 1499940864 | 0 |
| 89.103.72.1 | 1499940865 | 0 |
| 89.103.72.2 | 1499940866 | 0 |
| 89.103.72.3 | 1499940867 | 0 |
| 89.103.72.4 | 1499940868 | 0 |
| 89.103.72.5 | 1499940869 | 0 |
| 89.103.72.6 | 1499940870 | 0 |
| 89.103.72.7 | 1499940871 | 0 |
| 89.103.72.8 | 1499940872 | 0 |
| 89.103.72.9 | 1499940873 | 0 |
| 89.103.72.10 | 1499940874 | 0 |
| 89.103.72.11 | 1499940875 | 0 |
| 89.103.72.12 | 1499940876 | 0 |
| 89.103.72.13 | 1499940877 | 0 |
| 89.103.72.14 | 1499940878 | 0 |
| 89.103.72.15 | 1499940879 | 0 |
| 89.103.72.16 | 1499940880 | 0 |
| 89.103.72.17 | 1499940881 | 0 |
| 89.103.72.18 | 1499940882 | 0 |
| 89.103.72.19 | 1499940883 | 0 |
| 89.103.72.20 | 1499940884 | 0 |
| 89.103.72.21 | 1499940885 | 0 |
| 89.103.72.22 | 1499940886 | 0 |
| 89.103.72.23 | 1499940887 | 0 |
| 89.103.72.24 | 1499940888 | 0 |
| 89.103.72.25 | 1499940889 | 0 |
| 89.103.72.26 | 1499940890 | 0 |
| 89.103.72.27 | 1499940891 | 0 |
| 89.103.72.28 | 1499940892 | 0 |
| 89.103.72.29 | 1499940893 | 0 |
| 89.103.72.30 | 1499940894 | 0 |
| 89.103.72.31 | 1499940895 | 0 |
| 89.103.72.32 | 1499940896 | 0 |
| 89.103.72.33 | 1499940897 | 0 |
| 89.103.72.34 | 1499940898 | 0 |
| 89.103.72.35 | 1499940899 | 0 |
| 89.103.72.36 | 1499940900 | 0 |
| 89.103.72.37 | 1499940901 | 0 |
| 89.103.72.38 | 1499940902 | 0 |
| 89.103.72.39 | 1499940903 | 0 |
| 89.103.72.40 | 1499940904 | 0 |
| 89.103.72.41 | 1499940905 | 0 |
| 89.103.72.42 | 1499940906 | 0 |
| 89.103.72.43 | 1499940907 | 0 |
| 89.103.72.44 | 1499940908 | 0 |
| 89.103.72.45 | 1499940909 | 0 |
| 89.103.72.46 | 1499940910 | 0 |
| 89.103.72.47 | 1499940911 | 0 |
| 89.103.72.48 | 1499940912 | 0 |
| 89.103.72.49 | 1499940913 | 0 |
| 89.103.72.50 | 1499940914 | 0 |
| 89.103.72.51 | 1499940915 | 0 |
| 89.103.72.52 | 1499940916 | 0 |
| 89.103.72.53 | 1499940917 | 0 |
| 89.103.72.54 | 1499940918 | 0 |
| 89.103.72.55 | 1499940919 | 0 |
| 89.103.72.56 | 1499940920 | 0 |
| 89.103.72.57 | 1499940921 | 0 |
| 89.103.72.58 | 1499940922 | 0 |
| 89.103.72.59 | 1499940923 | 0 |
| 89.103.72.60 | 1499940924 | 0 |
| 89.103.72.61 | 1499940925 | 0 |
| 89.103.72.62 | 1499940926 | 0 |
| 89.103.72.63 | 1499940927 | 0 |
| 89.103.72.64 | 1499940928 | 0 |
| 89.103.72.65 | 1499940929 | 0 |
| 89.103.72.66 | 1499940930 | 0 |
| 89.103.72.67 | 1499940931 | 0 |
| 89.103.72.68 | 1499940932 | 0 |
| 89.103.72.69 | 1499940933 | 0 |
| 89.103.72.70 | 1499940934 | 0 |
| 89.103.72.71 | 1499940935 | 0 |
| 89.103.72.72 | 1499940936 | 0 |
| 89.103.72.73 | 1499940937 | 0 |
| 89.103.72.74 | 1499940938 | 0 |
| 89.103.72.75 | 1499940939 | 0 |
| 89.103.72.76 | 1499940940 | 0 |
| 89.103.72.77 | 1499940941 | 0 |
| 89.103.72.78 | 1499940942 | 0 |
| 89.103.72.79 | 1499940943 | 0 |
| 89.103.72.80 | 1499940944 | 0 |
| 89.103.72.81 | 1499940945 | 0 |
| 89.103.72.82 | 1499940946 | 0 |
| 89.103.72.83 | 1499940947 | 0 |
| 89.103.72.84 | 1499940948 | 0 |
| 89.103.72.85 | 1499940949 | 0 |