My IP: - IP Address Lookup

The IP address location of is Philadelphia 19135, Pennsylvania (PA), United States (US). is a public IP address that belongs to ASN 21928 which is under the control of T-Mobile USA, Inc.. The prefix 172/8 ( was delegated for administration 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 Address ASN21928 (T-Mobile USA, Inc.)
IP ISP / OrganizationT-Mobile USA
IP Connection TypeCellular [internet speed test]
IP Location ContinentNorth America
IP Location CountryUnited States (US)
IP Location StatePennsylvania (PA)
IP Location CityPhiladelphia
IP Location Postcode19135
IP Location Latitude40.0217 / 40°1′18″ N
IP Location Longitude-75.0518 / 75°3′6″ W
IP Location TimezoneAmerica/New_York
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 Prefix172/8
Regional Internet Registry (RIR)Administered by ARIN
Allocation Date
RDAP Server,
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.
Notes reserved for Private-Use Networks [RFC1918]. Complete registration details are found in IANA registry iana-ipv4-special-registry. 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 Notation172.58.201.136/32
Decimal Notation2889533832
Hexadecimal Notation0xac3ac988
Octal Notation025416544610
Binary Notation10101100001110101100100110001000
Dotted-Decimal Notation172.58.201.136
Dotted-Hexadecimal Notation0xac.0x3a.0xc9.0x88
Dotted-Octal Notation0254.072.0311.0210
Dotted-Binary Notation10101100.00111010.11001001.10001000

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