138.108.50.100 - IP Address Lookup

The IP address location of 138.108.50.100 is San Francisco 94103, California (CA), United States (US).

138.108.50.100 is a public IP address that belongs to ASN 16477 which is under the control of ACNIELSEN. The prefix 138/8 (138.0.0.0/8) was delegated for administration to ARIN by the Internet Assigned Numbers Authority (IANA) in .

138.108.50.100 IP Address Location

Here you will find the approximate IP geolocation for 138.108.50.100 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 ASN16477 controlled by ACNIELSEN
IP ISP / OrganizationAcnielsen
IP Connection TypeCorporate [internet speed test]
IP Location ContinentNorth America
IP Location CountryUnited States (US)
IP Location StateCalifornia (CA)
IP Location CitySan Francisco
IP Location Postcode94103
IP Location Latitude37.7758 / 37°46′32″ N
IP Location Longitude-122.4128 / 122°24′46″ W
IP Location TimezoneAmerica/Los_Angeles
IP Location Local Time

IANA IPv4 Address Space Allocation for Subnet 138.0.0.0/8

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 Prefix138/8
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.

138.108.50.100 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 138.108.050.100 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 Notation2322346596
Hexadecimal Notation0x8a6c3264
Octal Notation021233031144
Binary Notation10001010011011000011001001100100
Dotted-Decimal Notation138.108.50.100
Dotted-Hexadecimal Notation0x8a.0x6c.0x32.0x64
Dotted-Octal Notation0212.0154.062.0144
Dotted-Binary Notation10001010.01101100.00110010.01100100

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