IP range 81.0.231.0/24
81.0.231.0/24 contains 256 addresses announced by CASABLANCA-AS Internet & Collocation Provider and located in Czechia. First and last address, owner network and neighbouring ranges.
At a glance
- Announced by
- CASABLANCA-AS Internet & Collocation Provider AS15685
- Country
- Czechia
- CIDR
- 81.0.231.0/24
- Subnet mask
- 255.255.255.0
Sample lookup
Sample address in this range
81.0.231.1
- Location
- 🇨🇿 Prague (Praha 3), Prague, Czechia
- ISP · ASN
- CASABLANCA-AS Internet & Collocation Provider AS15685
- Type
- Residential
- Hostname
- —
- Time zone
- Europe/Prague 17:07
- Coordinates
- 50.0781, 14.4721
- Prefix
- 81.0.231.0/24
- IP version
- IPv4
- Region
- Prague
Prague (Praha 3), Prague, CzechiaOpenStreetMap →
Approximate: city-level geolocation, radius about 25 km.
- ASN
- AS15685
- Network name
- CASABLANCA-AS Internet & Collocation Provider
- Prefix
- 81.0.231.0/24
- Network type
- Consumer ISP
- Datacenter / hosting rangeNo
- Tor exit nodeNo
- Known VPN / proxy providerNo
- Spamhaus DROPNo
- BlacklistsCheck →
- PTR recordnoneThe PTR record the address owner published for it.
- Forward-confirmedVerify →Forward-confirmed: the hostname resolves back to this address.
- Reverse zone name1.231.0.81.in-addr.arpa
- Decimal
- 1359013633
- Hex
- 0x5100E701
- Binary
- 01010001.00000000.11100111.00000001
- Octal
- 0121.00.0347.01
- Arpa
- 1.231.0.81.in-addr.arpa
- Mapped
- ::ffff:81.0.231.1
JSON
{
"ip": "81.0.231.1",
"version": 4,
"classification": "residential",
"flags": [],
"geo": {
"country_code": "CZ",
"country": "Czechia",
"region": "Prague",
"city": "Prague (Praha 3)",
"lat": 50.0781,
"lon": 14.4721,
"timezone": "Europe/Prague"
},
"asn": {
"asn": 15685,
"name": "CASABLANCA-AS Internet & Collocation Provider",
"prefix": "81.0.231.0/24"
},
"rdns": null
}