IP range 81.28.16.0/20
81.28.16.0/20 contains 4,096 addresses announced by UUNET and located in Czechia. First and last address, owner network and neighbouring ranges.
At a glance
- Announced by
- UUNET AS702
- Country
- Czechia
- CIDR
- 81.28.16.0/20
- Subnet mask
- 255.255.240.0
Sample lookup
- Location
- 🇨🇿 Prague, Prague, Czechia
- ISP · ASN
- UUNET AS702
- Type
- Residential
- Hostname
- —
- Time zone
- Europe/Prague 06:56
- Coordinates
- 50.0755, 14.4378
- Prefix
- 81.28.16.0/20
- IP version
- IPv4
- Region
- Prague
Prague, Prague, CzechiaOpenStreetMap →
Approximate: city-level geolocation, radius about 25 km.
- ASN
- AS702
- Network name
- UUNET
- Prefix
- 81.28.16.0/20
- 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 name1.16.28.81.in-addr.arpa
- Decimal
- 1360793601
- Hex
- 0x511C1001
- Binary
- 01010001.00011100.00010000.00000001
- Octal
- 0121.034.020.01
- Arpa
- 1.16.28.81.in-addr.arpa
- Mapped
- ::ffff:81.28.16.1
JSON
{
"ip": "81.28.16.1",
"version": 4,
"classification": "residential",
"flags": [],
"geo": {
"country_code": "CZ",
"country": "Czechia",
"region": "Prague",
"city": "Prague",
"lat": 50.0755,
"lon": 14.4378,
"timezone": "Europe/Prague"
},
"asn": {
"asn": 702,
"name": "UUNET",
"prefix": "81.28.16.0/20"
},
"rdns": null
}