What Is My IP:

The public IP address is located in Chicago, Illinois, 60637, United States. It is assigned to the ISP University of Chicago. The address belongs to ASN 160 which is delegated to U-CHICAGO-AS.
Please have a look at the tables below for full details about, or use the IP Lookup tool to find the approximate IP location for any public IP address. IP Address Location

Reverse IP (PTR)simswdev25.uchicago.edu
ISP / OrganizationUniversity of Chicago
IP Connection TypeCable/DSL [internet speed test]
IP LocationChicago, Illinois, 60637, United States
IP ContinentNorth America
IP CountryUnited States (US)
IP StateIllinois (IL)
IP CityChicago
IP Postcode60637
IP Latitude41.7821 / 41°46′55″ N
IP Longitude-87.6046 / 87°36′16″ W
IP TimezoneAmerica/Chicago
IP Local Time

IANA IPv4 Address Space Allocation for Subnet

IPv4 Address Space Prefix128/8
Regional Internet Registry (RIR)Administered by ARIN
Allocation Date
WHOIS Serverwhois.arin.net
RDAP Serverhttps://rdap.arin.net/registry, http://rdap.arin.net/registry
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. IP Address Representations

CIDR Notation128.135.107.105/32
Decimal Notation2156358505
Hexadecimal Notation0x80876b69
Octal Notation020041665551
Binary Notation10000000100001110110101101101001
Dotted-Decimal Notation128.135.107.105
Dotted-Hexadecimal Notation0x80.0x87.0x6b.0x69
Dotted-Octal Notation0200.0207.0153.0151
Dotted-Binary Notation10000000.10000111.01101011.01101001

See also: IPv4 List - Page 145,255

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