- IP Address Lookup

The IP address location of is Glebe 2037, New South Wales (NSW), Australia (AU). is a public IP address that belongs to ASN 4804 which is under the control of Microplex PTY LTD. The address resides in the IP address range - (CIDR notation:, and the whole subnet spans a total number of 262,144 individual IP addresses. The prefix 211/8 ( was allocated to APNIC by the Internet Assigned Numbers Authority (IANA) in . IP Address Location

Here you will find the approximate IP location 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 Lookupstatic-211-28-163-23.optusnet.com.au
IP Address ASN4804 controlled by Microplex PTY LTD
IP ISP / OrganizationOptus
IP Connection TypeCable/DSL [internet speed test]
IP LocationGlebe 2037, New South Wales (NSW), Australia (AU)
IP Geolocation Latitude-33.8667 / 33°52′0″ S
IP Geolocation Longitude151.1833 / 151°10′59″ E
IP Location TimezoneAustralia/Sydney
IP Location Local Time WHOIS IP Lookup

This section provides the IP WHOIS record for IPv4 address 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 Range211.28.0.0 -
Number of IP Addresses262,144
IP Subnet211.28.0.0/14 [subnet calculator]
IP WHOIS Modification Date
1 Lyonpark Rd.
Macquarie Park, NSW 2113
Australia (AU)

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 Prefix211/8
Regional Internet Registry (RIR)APNIC
Allocation Date
WHOIS Serverwhois.apnic.net
RDAP Serverhttps://rdap.apnic.net/
Delegated entirely to specific RIR (Regional Internet Registry) as indicated. 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

  • static-211-28-163-23.optusnet.com.au 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.

Decimal Notation3541869335
Hexadecimal Notation0xd31ca317
Octal Notation032307121427
Binary Notation11010011000111001010001100010111
Dotted-Decimal Notation211.28.163.23
Dotted-Hexadecimal Notation0xd3.0x1c.0xa3.0x17
Dotted-Octal Notation0323.034.0243.027
Dotted-Binary Notation11010011.00011100.10100011.00010111

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