IP address 91.231.123.42
91.231.123.42 is a public IPv4 address announced by AS198072 (PL-FREENET), registered in Poland. See its threat-intelligence verdict, network block, reverse DNS name and reputation links in one place, free.
Free tier: 5 live checks per day, per IP.
Need volume or the API? See API access.
See the addresses we currently flag.
Address profile
Public
91.231.123.42
Ordinary routable internet space, allocated by a regional internet registry to a network operator. The reputation of an address like this is worth checking: it can belong to a hosting provider, a company, a home connection or a mobile network, and its history travels with it.
Announced by
AS198072 · PL-FREENET
Network registered in
🇵🇱 Poland
- Decimal
- 1541897002
- Hexadecimal
- 0x5BE77B2A
- Binary
- 01011011.11100111.01111011.00101010
- Reverse DNS name
- 42.123.231.91.in-addr.arpa
- As IPv6
- ::ffff:91.231.123.42
The networks around it
The /24 around it
91.231.123.0/24
91.231.123.0 to 91.231.123.255
256 addresses
The /16
91.231.0.0/16
91.231.0.0 to 91.231.255.255
65,536 addresses
The /8
91.0.0.0/8
91.0.0.0 to 91.255.255.255
16,777,216 addresses
Checking 91.231.123.42 against our threat intelligence and the public registries…
Want the full picture and an API?
Our Threat Intelligence service returns real-time verdicts, fleet sightings and JSON for automation.