IP range 37.228.104.0/21
37.228.104.0/21 contains 2,048 addresses announced by NO-OPERA Opera Norway AS and located in United States. First and last address, owner network and neighbouring ranges.
At a glance
- Announced by
- NO-OPERA Opera Norway AS AS39832
- Country
- United States
- CIDR
- 37.228.104.0/21
- Subnet mask
- 255.255.248.0
Sample lookup
Sample address in this range
37.228.104.1
- Location
- 🇺🇸 Washington D.C., District of Columbia, United States
- ISP · ASN
- NO-OPERA Opera Norway AS AS39832
- Type
- Unclassified network
- Hostname
- —
- Time zone
- America/New_York 05:36
- Coordinates
- 38.9072, -77.0369
- Prefix
- 37.228.104.0/21
- IP version
- IPv4
- Region
- District of Columbia
Washington D.C., District of Columbia, United StatesOpenStreetMap →
Approximate: city-level geolocation, radius about 25 km.
- ASN
- AS39832
- Network name
- NO-OPERA Opera Norway AS
- Prefix
- 37.228.104.0/21
- Network type
- Unclassified
- 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 name1.104.228.37.in-addr.arpa
- Decimal
- 635725825
- Hex
- 0x25E46801
- Binary
- 00100101.11100100.01101000.00000001
- Octal
- 045.0344.0150.01
- Arpa
- 1.104.228.37.in-addr.arpa
- Mapped
- ::ffff:37.228.104.1
JSON
{
"ip": "37.228.104.1",
"version": 4,
"classification": "unknown",
"flags": [],
"geo": {
"country_code": "US",
"country": "United States",
"region": "District of Columbia",
"city": "Washington D.C.",
"lat": 38.9072,
"lon": -77.0369,
"timezone": "America/New_York"
},
"asn": {
"asn": 39832,
"name": "NO-OPERA Opera Norway AS",
"prefix": "37.228.104.0/21"
},
"rdns": null
}