The public IP address is located in The Netherlands. It is assigned to the ISP SURF. The address belongs to ASN 1101 which is delegated to SURF B.V.
Please have a look at the tables below for full details about, or use the IP Lookup tool to find the approximate IP location for any public IP address. IP Address Location

Reverse IP (PTR)research2.hadrian.io
ASN1101 (SURF B.V.)
ISP / OrganizationSURF
IP Connection TypeCable/DSL [internet speed test]
IP LocationThe Netherlands
IP ContinentEurope
IP Country🇳🇱 The Netherlands (NL)
IP Staten/a
IP Cityunknown
IP Postcodeunknown
IP Latitude52.3824 / 52°22′56″ N
IP Longitude4.8995 / 4°53′58″ E
IP TimezoneEurope/Amsterdam
IP Local Time

IANA IPv4 Address Space Allocation for Subnet

IPv4 Address Space Prefix145/8
Regional Internet Registry (RIR)Administered by RIPE NCC
Allocation Date
WHOIS Serverwhois.ripe.net
RDAP Serverhttps://rdap.db.ripe.net/
Allocated by the central Internet Registry (IR) prior to the Regional Internet Registries (RIRs). This address space is now administered by individual RIRs as noted, including maintenance of WHOIS Directory and reverse DNS records. Assignments from these blocks are distributed globally on a regional basis. IP Address Representations

CIDR Notation145.220.91.19/32
Decimal Notation2447137555
Hexadecimal Notation0x91dc5b13
Octal Notation022167055423
Binary Notation10010001110111000101101100010011
Dotted-Decimal Notation145.220.91.19
Dotted-Hexadecimal Notation0x91.0xdc.0x5b.0x13
Dotted-Octal Notation0221.0334.0133.023
Dotted-Binary Notation10010001.11011100.01011011.00010011