- IP Address Lookup

The IP address location of is Matsudo 271-0092, Chiba, Japan (JP). is a public IP address that belongs to ASN 4721 which is under the control of Jupiter Telecommunications Co., Ltd.. The prefix 111/8 ( 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 Lookup111-90-14-123.koalanet.ne.jp
IP Address ASN4721 controlled by Jupiter Telecommunications Co., Ltd.
IP ISP / OrganizationJupiter Telecommunications Co.
IP Connection TypeCable/DSL [internet speed test]
IP Location ContinentAsia
IP Location CountryJapan (JP)
IP Location StateChiba
IP Location CityMatsudo
IP Location Postcode271-0092
IP Location Latitude35.7833 / 35°46′59″ N
IP Location Longitude139.9000 / 139°54′0″ E
IP Location TimezoneAsia/Tokyo
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 Prefix111/8
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

  • 111-90-14-123.koalanet.ne.jp 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.

CIDR Notation111.90.14.123/32
Decimal Notation1868172923
Hexadecimal Notation0x6f5a0e7b
Octal Notation015726407173
Binary Notation 1101111010110100000111001111011
Dotted-Decimal Notation111.90.14.123
Dotted-Hexadecimal Notation0x6f.0x5a.0x0e.0x7b
Dotted-Octal Notation0157.0132.016.0173
Dotted-Binary Notation01101111.01011010.00001110.01111011

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