81.141.248.181 - IP Address Lookup

The IP address location of 81.141.248.181 is Cricklewood NW2, England (ENG), United Kingdom (GB).

81.141.248.181 is a public IP address that belongs to ASN 2856 which is under the control of British Telecommunications PLC. The address resides in the IP address range 81.141.0.0 - 81.141.255.255 (CIDR notation: 81.141.0.0/16), and the whole subnet spans a total number of 65,536 individual IP addresses. The prefix 081/8 (81.0.0.0/8) was allocated to RIPE NCC by the Internet Assigned Numbers Authority (IANA) in .

81.141.248.181 IP Address Location

Here you will find the approximate IP location for 81.141.248.181 as reported by our IP Tracker along with additional information like ASN mapping, ISP, and the type of internet connection. Use the free IP Lookup tool to find the IP geolocation for any public IP address.

IP PTR / DNS Reverse Lookuphost81-141-248-181.in-addr.btcentralplus.com
IP Address ASN2856 controlled by British Telecommunications PLC
IP ISP / OrganizationBT
IP Connection TypeCable/DSL [internet speed test]
IP LocationCricklewood NW2, England (ENG), United Kingdom (GB)
IP Geolocation Latitude51.5500 / 51°33′0″ N
IP Geolocation Longitude-0.2167 / 0°13′0″ W
IP Location TimezoneEurope/London
IP Location Local Time

81.141.248.181 WHOIS IP Lookup

This section provides the IP WHOIS record for IPv4 address 81.141.248.181 which shows who is responsible for the corresponding IP subnet. Use our WHOIS IP Lookup tool to find the IP WHOIS record for any IPv4 or IPv6 address.

IP Address Range81.141.0.0 - 81.141.255.255
Number of IP Addresses65,536
IP Subnet81.141.0.0/16 [subnet calculator]
IP WHOIS Network NameBT-Central-Plus
IP WHOIS Registration Date
IP WHOIS Modification Date
IP WHOIS Net ReferenceRIPE
IP WHOIS RegistrantBT CENTRAL PLUS - OPERATIONAL SUPPORT
BT
Wholesale
UK
United Kingdom (GB)

IANA IPv4 Address Space Allocation for Subnet 81.0.0.0/8

The Internet Assigned Numbers Authority (IANA) is responsible for global IP address space allocation to Regional Internet Registries (RIRs). The available IPv4 address space is typically allocated to RIRs as /8 prefix blocks, and the RIRs delegate smaller blocks of their address pools to Local Internet Registries (LIRs) like Internet Service Providers and other organizations in their designated locations.

IPv4 Address Space Prefix081/8
Regional Internet Registry (RIR)RIPE NCC
Allocation Date
WHOIS Serverwhois.ripe.net
RDAP Serverhttps://rdap.db.ripe.net/
StatusALLOCATED
Delegated entirely to specific RIR (Regional Internet Registry) as indicated.

81.141.248.181 Reverse IP Lookup

Reverse IP address lookup is the process of mapping an IP address to its corresponding hostnames. Below you will find a list of hostnames that resolve to IP address 81.141.248.181.

  • host81-141-248-181.in-addr.btcentralplus.com

81.141.248.181 IP Address Representations

An IPv4 address is defined as a 32-bit number, and thus it can be written in any notation that is capable of representing a 32-bit integer value. If human-readability is a requirement, IPv4 addresses are most often expressed in quad-dotted decimal notation with 4 octets ranging from 0 to 255 each.
Note: You should avoid IP addresses with zero-padded decimal octets like 081.141.248.181 or 010.010.010.010 because they might impose an ambiguity with octal numbers.
Below you can find some ways to express an IPv4 address.

Decimal Notation1368258741
Hexadecimal Notation0x518df8b5
Octal Notation012143374265
Binary Notation 1010001100011011111100010110101
Dotted-Decimal Notation81.141.248.181
Dotted-Hexadecimal Notation0x51.0x8d.0xf8.0xb5
Dotted-Octal Notation0121.0215.0370.0265
Dotted-Binary Notation01010001.10001101.11111000.10110101

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