IP range 148.81.0.0/21
148.81.0.0/21 contains 2,048 addresses announced by NASK-ACADEMIC NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY and located in Poland. First and last address, owner network and neighbouring ranges.
At a glance
- Announced by
- NASK-ACADEMIC NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY AS1887
- Country
- Poland
- CIDR
- 148.81.0.0/21
- Subnet mask
- 255.255.248.0
Sample lookup
Sample address in this range
148.81.0.1
- Location
- 🇵🇱 Warsaw (Wola), Mazovia, Poland
- Type
- Education
- Hostname
- —
- Time zone
- Europe/Warsaw 23:17
- Coordinates
- 52.2511, 20.9757
- Prefix
- 148.81.0.0/21
- IP version
- IPv4
- Region
- Mazovia
Warsaw (Wola), Mazovia, PolandOpenStreetMap →
Approximate: city-level geolocation, radius about 25 km.
- ASN
- AS1887
- Network name
- NASK-ACADEMIC NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
- Prefix
- 148.81.0.0/21
- Network type
- Education
- 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 name1.0.81.148.in-addr.arpa
- Decimal
- 2488336385
- Hex
- 0x94510001
- Binary
- 10010100.01010001.00000000.00000001
- Octal
- 0224.0121.00.01
- Arpa
- 1.0.81.148.in-addr.arpa
- Mapped
- ::ffff:148.81.0.1
JSON
{
"ip": "148.81.0.1",
"version": 4,
"classification": "education",
"flags": [],
"geo": {
"country_code": "PL",
"country": "Poland",
"region": "Mazovia",
"city": "Warsaw (Wola)",
"lat": 52.2511,
"lon": 20.9757,
"timezone": "Europe/Warsaw"
},
"asn": {
"asn": 1887,
"name": "NASK-ACADEMIC NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY",
"prefix": "148.81.0.0/21"
},
"rdns": null
}