15.57.72.185 - IP Address Lookup

The IP address location of 15.57.72.185 is Palo Alto 94302, California (CA), United States (US).

15.57.72.185 is a public IP address that belongs to ASN 7430 which is under the control of Hewlett-Packard Company. The address resides in the IP address range 15.0.0.0 - 15.103.255.255 (CIDR notation: 15.0.0.0/10, 15.64.0.0/11, 15.96.0.0/13), and the whole subnet spans a total number of 6,815,744 individual IP addresses. The prefix 015/8 (15.0.0.0/8) was delegated for administration to ARIN by the Internet Assigned Numbers Authority (IANA) in .

15.57.72.185 IP Address Location

Here you will find the approximate IP location for 15.57.72.185 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 Lookupaclm-pro-austin1-csa.itcs.hp.com
IP Address ASN7430 controlled by Hewlett-Packard Company
IP ISP / OrganizationHewlett-Packard Company
IP Connection TypeCable/DSL [internet speed test]
IP LocationPalo Alto 94302, California (CA), United States (US)
IP Geolocation Latitude37.4419 / 37°26′30″ N
IP Geolocation Longitude-122.1430 / 122°8′34″ W
IP Location TimezoneAmerica/Los_Angeles
IP Location Local Time

15.57.72.185 WHOIS IP Lookup

This section provides the IP WHOIS record for IPv4 address 15.57.72.185 which shows who is responsible for the corresponding IP subnet. Use our WHOIS IP Lookup tool to find the IP WHOIS record for any IPv4 or IPv6 address.

IP Address Range15.0.0.0 - 15.103.255.255
Number of IP Addresses6,815,744
IP Subnets
  • 15.0.0.0/10
  • 15.64.0.0/11
  • 15.96.0.0/13
[subnet calculator]
IP WHOIS Network NameHP-INTERNET
IP WHOIS Network HandleNET-15-0-0-0-1
IP WHOIS Network TypeDirect Assignment
IP WHOIS Registration Date
IP WHOIS Modification Date
IP WHOIS Net Referencehttps://whois.arin.net/rest/net/NET-15-0-0-0-1
IP WHOIS RegistrantHewlett-Packard Company (HP)
3000 Hanover Street
Palo Alto CA 94304
United States (US)
https://whois.arin.net/rest/org/HP

IANA IPv4 Address Space Allocation for Subnet 15.0.0.0/8

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 Prefix015/8
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.

15.57.72.185 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 15.57.72.185.

  • aclm-pro-austin1-csa.itcs.hp.com
  • h20397.www2.hp.com

15.57.72.185 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 015.057.072.185 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 Notation255412409
Hexadecimal Notation0x0f3948b9
Octal Notation01716244271
Binary Notation 1111001110010100100010111001
Dotted-Decimal Notation15.57.72.185
Dotted-Hexadecimal Notation0x0f.0x39.0x48.0xb9
Dotted-Octal Notation017.071.0110.0271
Dotted-Binary Notation00001111.00111001.01001000.10111001

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