129.82.103.137 - IP Address Lookup

The IP address location of 129.82.103.137 is Fort Collins 80521, Colorado (CO), United States (US).

129.82.103.137 is a public IP address that belongs to ASN 12145 which is under the control of Colorado State University. The prefix 129/8 (129.0.0.0/8) was delegated for administration to ARIN by the Internet Assigned Numbers Authority (IANA) in .

129.82.103.137 IP Address Location

Here you will find the approximate IP geolocation for 129.82.103.137 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 Lookupbigip-floatip-4.acns.colostate.edu
IP Address ASN12145 controlled by Colorado State University
IP ISP / OrganizationColorado State University
IP Connection TypeCable/DSL [internet speed test]
IP Location ContinentNorth America
IP Location CountryUnited States (US)
IP Location StateColorado (CO)
IP Location CityFort Collins
IP Location Postcode80521
IP Location Latitude40.5939 / 40°35′38″ N
IP Location Longitude-105.1256 / 105°7′32″ W
IP Location TimezoneAmerica/Denver
IP Location Local Time

IANA IPv4 Address Space Allocation for Subnet 129.0.0.0/8

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 Prefix129/8
Regional Internet Registry (RIR)Administered by ARIN
Allocation Date
WHOIS Serverwhois.arin.net
RDAP Serverhttps://rdap.arin.net/registry, http://rdap.arin.net/registry
StatusLEGACY
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.

129.82.103.137 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 129.82.103.137.

  • bigip-floatip-4.acns.colostate.edu

129.82.103.137 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 129.082.103.137 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 Notation2169661321
Hexadecimal Notation0x81526789
Octal Notation020124463611
Binary Notation10000001010100100110011110001001
Dotted-Decimal Notation129.82.103.137
Dotted-Hexadecimal Notation0x81.0x52.0x67.0x89
Dotted-Octal Notation0201.0122.0147.0211
Dotted-Binary Notation10000001.01010010.01100111.10001001

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