143.89.15.21 🇭🇰

The public IP address 143.89.15.21 is located in Central, Central and Western District, Hong Kong. It is assigned to the ISP Hong Kong University of Science and Technology. The address belongs to ASN 3363 which is delegated to Hong Kong University of Science and Technology.
Please have a look at the tables below for full details about 143.89.15.21, or use the IP Lookup tool to find the approximate IP location for any public IP address.

143.89.15.21 IP Address Location

Reverse IP (PTR)none
ASN3363 (Hong Kong University of Science and Technology)
ISP / OrganizationHong Kong University of Science and Technology
IP Connection TypeCable/DSL [internet speed test]
IP LocationCentral, Central and Western District, Hong Kong
IP ContinentAsia
IP Country🇭🇰 Hong Kong (HK)
IP StateCentral and Western District (HCW)
IP CityCentral
IP Postcodeunknown
IP Latitude22.2908 / 22°17′26″ N
IP Longitude114.1501 / 114°9′0″ E
IP TimezoneAsia/Hong_Kong
IP Local Time

IANA IPv4 Address Space Allocation for Subnet 143.0.0.0/8

IPv4 Address Space Prefix143/8
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.

143.89.15.21 IP Address Representations

CIDR Notation143.89.15.21/32
Decimal Notation2404978453
Hexadecimal Notation0x8f590f15
Octal Notation021726207425
Binary Notation10001111010110010000111100010101
Dotted-Decimal Notation143.89.15.21
Dotted-Hexadecimal Notation0x8f.0x59.0x0f.0x15
Dotted-Octal Notation0217.0131.017.025
Dotted-Binary Notation10001111.01011001.00001111.00010101