L'indirizzo IP 2.81.75 è fornito da , che è di proprietà del CIDR (Classless Inter-Domain Routing) 2.80.0.0/14, IP tra 2.80.0.0 a 2.83.255.255 ). Il numero di sistema autonomo (ASN) è 3243.
| ASN | 3243 |
| IP inizia con | 2.80.0.0 |
| IP finale con | 2.83.255.255 |
| ASN Nome | |
| CDIR | 2.80.0.0/14 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 05/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | PT | Portugal | - | Coimbra | 40,2056 | -8,4196 | 2017-07-04 |
| MaxMind | PT | Portugal | - | Cantanhede | 40,3467 | -8,5942 | 2017-07-04 |
| Whois | PT | - | - | - | -8 | 39 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 2.81.75.0 | 38882048 | 0 |
| 2.81.75.1 | 38882049 | 0 |
| 2.81.75.2 | 38882050 | 0 |
| 2.81.75.3 | 38882051 | 0 |
| 2.81.75.4 | 38882052 | 0 |
| 2.81.75.5 | 38882053 | 0 |
| 2.81.75.6 | 38882054 | 0 |
| 2.81.75.7 | 38882055 | 0 |
| 2.81.75.8 | 38882056 | 0 |
| 2.81.75.9 | 38882057 | 0 |
| 2.81.75.10 | 38882058 | 0 |
| 2.81.75.11 | 38882059 | 0 |
| 2.81.75.12 | 38882060 | 0 |
| 2.81.75.13 | 38882061 | 0 |
| 2.81.75.14 | 38882062 | 0 |
| 2.81.75.15 | 38882063 | 0 |
| 2.81.75.16 | 38882064 | 0 |
| 2.81.75.17 | 38882065 | 0 |
| 2.81.75.18 | 38882066 | 0 |
| 2.81.75.19 | 38882067 | 0 |
| 2.81.75.20 | 38882068 | 0 |
| 2.81.75.21 | 38882069 | 0 |
| 2.81.75.22 | 38882070 | 0 |
| 2.81.75.23 | 38882071 | 0 |
| 2.81.75.24 | 38882072 | 0 |
| 2.81.75.25 | 38882073 | 0 |
| 2.81.75.26 | 38882074 | 0 |
| 2.81.75.27 | 38882075 | 0 |
| 2.81.75.28 | 38882076 | 0 |
| 2.81.75.29 | 38882077 | 0 |
| 2.81.75.30 | 38882078 | 0 |
| 2.81.75.31 | 38882079 | 0 |
| 2.81.75.32 | 38882080 | 0 |
| 2.81.75.33 | 38882081 | 0 |
| 2.81.75.34 | 38882082 | 0 |
| 2.81.75.35 | 38882083 | 0 |
| 2.81.75.36 | 38882084 | 0 |
| 2.81.75.37 | 38882085 | 0 |
| 2.81.75.38 | 38882086 | 0 |
| 2.81.75.39 | 38882087 | 0 |
| 2.81.75.40 | 38882088 | 0 |
| 2.81.75.41 | 38882089 | 0 |
| 2.81.75.42 | 38882090 | 0 |
| 2.81.75.43 | 38882091 | 0 |
| 2.81.75.44 | 38882092 | 0 |
| 2.81.75.45 | 38882093 | 0 |
| 2.81.75.46 | 38882094 | 0 |
| 2.81.75.47 | 38882095 | 0 |
| 2.81.75.48 | 38882096 | 0 |
| 2.81.75.49 | 38882097 | 0 |
| 2.81.75.50 | 38882098 | 0 |
| 2.81.75.51 | 38882099 | 0 |
| 2.81.75.52 | 38882100 | 0 |
| 2.81.75.53 | 38882101 | 0 |
| 2.81.75.54 | 38882102 | 0 |
| 2.81.75.55 | 38882103 | 0 |
| 2.81.75.56 | 38882104 | 0 |
| 2.81.75.57 | 38882105 | 0 |
| 2.81.75.58 | 38882106 | 0 |
| 2.81.75.59 | 38882107 | 0 |
| 2.81.75.60 | 38882108 | 0 |
| 2.81.75.61 | 38882109 | 0 |
| 2.81.75.62 | 38882110 | 0 |
| 2.81.75.63 | 38882111 | 0 |
| 2.81.75.64 | 38882112 | 0 |
| 2.81.75.65 | 38882113 | 0 |
| 2.81.75.66 | 38882114 | 0 |
| 2.81.75.67 | 38882115 | 0 |
| 2.81.75.68 | 38882116 | 0 |
| 2.81.75.69 | 38882117 | 0 |
| 2.81.75.70 | 38882118 | 0 |
| 2.81.75.71 | 38882119 | 0 |
| 2.81.75.72 | 38882120 | 0 |
| 2.81.75.73 | 38882121 | 0 |
| 2.81.75.74 | 38882122 | 0 |
| 2.81.75.75 | 38882123 | 0 |
| 2.81.75.76 | 38882124 | 0 |
| 2.81.75.77 | 38882125 | 0 |
| 2.81.75.78 | 38882126 | 0 |
| 2.81.75.79 | 38882127 | 0 |
| 2.81.75.80 | 38882128 | 0 |
| 2.81.75.81 | 38882129 | 0 |
| 2.81.75.82 | 38882130 | 0 |
| 2.81.75.83 | 38882131 | 0 |
| 2.81.75.84 | 38882132 | 0 |
| 2.81.75.85 | 38882133 | 0 |