- IP Address Lookup

The IP address location of is Cowes 3922, Victoria (VIC), Australia (AU). is a public IP address that belongs to ASN 1221 which is under the control of Telstra Pty Ltd. The prefix 121/8 ( was allocated to APNIC by the Internet Assigned Numbers Authority (IANA) in . IP Address Location

Here you will find the approximate IP geolocation 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 Lookupcpe-121-221-145-206.vb01.vic.asp.telstra.net
IP Address ASN1221 controlled by Telstra Pty Ltd
IP ISP / OrganizationTelstra Internet
IP Connection TypeCable/DSL [internet speed test]
IP Location ContinentOceania
IP Location CountryAustralia (AU)
IP Location StateVictoria (VIC)
IP Location CityCowes
IP Location Postcode3922
IP Location Latitude-38.4523 / 38°27′8″ S
IP Location Longitude145.2386 / 145°14′18″ E
IP Location TimezoneAustralia/Melbourne
IP Location Local Time

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 Prefix121/8
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

  • cpe-121-221-145-206.vb01.vic.asp.telstra.net
  • CPE-121-221-145-206.lns2.pie.bigpond.net.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 because they might impose an ambiguity with octal numbers.
Below you can find some ways to express an IPv4 address.

CIDR Notation121.221.145.206/32
Decimal Notation2044563918
Hexadecimal Notation0x79dd91ce
Octal Notation017167310716
Binary Notation 1111001110111011001000111001110
Dotted-Decimal Notation121.221.145.206
Dotted-Hexadecimal Notation0x79.0xdd.0x91.0xce
Dotted-Octal Notation0171.0335.0221.0316
Dotted-Binary Notation01111001.11011101.10010001.11001110

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