81.145.241.21 🇬🇧
The public IP address 81.145.241.21 is located in Greenwich, England, United Kingdom . It is assigned to the ISP BT . The address belongs to ASN 2856 which is delegated to British Telecommunications PLC . Please have a look at the tables below for full details about 81.145.241.21 , or use the IP Lookup tool to find the approximate IP location for any public IP address.
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81.145.241.21 IP Address Location
Reverse IP (PTR ) cp2.boit.uk
ASN 2856 (British Telecommunications PLC)
ISP / OrganizationBT IP Connection Type Cable/DSL [internet speed test ]
IP Location Greenwich, England, United Kingdom
IP Continent Europe
IP Country 🇬🇧 United Kingdom (GB)
IP State England (ENG), Greenwich (GRE)
IP City Greenwich
IP Postcode SE9
IP Latitude 51.4469 / 51°26′48″ N IP Longitude 0.0509 / 0°3′3″ E IP Timezone Europe/London
IP Local Time Mon, 20 May 2024 16:00:17 +0100
IANA IPv4 Address Space Allocation for Subnet 81.0.0.0/8
IPv4 Address Space Prefix 081/8
Regional Internet Registry (RIR) RIPE NCC
Allocation Date April 2001
WHOIS Server whois.ripe.net
RDAP Serverhttps://rdap.db.ripe.net/
Status ALLOCATEDDelegated entirely to specific RIR (Regional Internet Registry) as indicated.
81.145.241.21 IP Address Representations
CIDR Notation 81.145.241.21/32
Decimal Notation 1368518933
Hexadecimal Notation 0x5191f115
Octal Notation 012144370425
Binary Notation 1010001100100011111000100010101
Dotted-Decimal Notation 81.145.241.21
Dotted-Hexadecimal Notation 0x51.0x91.0xf1.0x15
Dotted-Octal Notation 0121.0221.0361.025
Dotted-Binary Notation 01010001.10010001.11110001.00010101