My IP: - IP Address Lookup

The IP address location of is Madison 53711, Wisconsin (WI), United States (US). is a public IP address that belongs to ASN 4181 which is under the control of TDS TELECOM. The prefix 204/8 ( was allocated to ARIN by the Internet Assigned Numbers Authority (IANA) in . IP Address Location

Here you will find the approximate IP geolocation for 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
IP Address ASN4181 (TDS TELECOM)
IP ISP / OrganizationTDS Telecom
IP Connection TypeCable/DSL [internet speed test]
IP Location ContinentNorth America
IP Location CountryUnited States (US)
IP Location StateWisconsin (WI)
IP Location CityMadison
IP Location Postcode53711
IP Location Latitude43.0208 / 43°1′14″ N
IP Location Longitude-89.3600 / 89°21′36″ W
IP Location TimezoneAmerica/Chicago
IP Location Local Time

IANA IPv4 Address Space Allocation for Subnet

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 Prefix204/8
Regional Internet Registry (RIR)ARIN
Allocation Date
RDAP Server,
Delegated entirely to specific RIR (Regional Internet Registry) as indicated. 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


Find all Reverse IP Hosts for 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 or because they might impose an ambiguity with octal numbers.
Below you can find some ways to express an IPv4 address.

CIDR Notation204.246.13.59/32
Decimal Notation3438677307
Hexadecimal Notation0xccf60d3b
Octal Notation031475406473
Binary Notation11001100111101100000110100111011
Dotted-Decimal Notation204.246.13.59
Dotted-Hexadecimal Notation0xcc.0xf6.0x0d.0x3b
Dotted-Octal Notation0314.0366.015.073
Dotted-Binary Notation11001100.11110110.00001101.00111011

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