My IP: - IP Address Lookup

The IP address location of is Palisades 10964, New York (NY), United States (US). is a public IP address that belongs to ASN 14 which is under the control of Columbia University. The prefix 129/8 ( 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 PTR / DNS Reverse
IP Address ASN14 (Columbia University)
IP ISP / OrganizationLamont-Doherty Earth Observatory of Columbia Unive
IP Connection TypeCable/DSL [internet speed test]
IP Location ContinentNorth America
IP Location CountryUnited States (US)
IP Location StateNew York (NY)
IP Location CityPalisades
IP Location Postcode10964
IP Location Latitude41.0178 / 41°1′4″ N
IP Location Longitude-73.9090 / 73°54′32″ 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 Prefix129/8
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. 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 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 Notation129.236.14.85/32
Decimal Notation2179731029
Hexadecimal Notation0x81ec0e55
Octal Notation020173007125
Binary Notation10000001111011000000111001010101
Dotted-Decimal Notation129.236.14.85
Dotted-Hexadecimal Notation0x81.0xec.0x0e.0x55
Dotted-Octal Notation0201.0354.016.0125
Dotted-Binary Notation10000001.11101100.00001110.01010101

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