- IP Address Lookup

The IP address location of is Tainan City, Tainan (TNN), Taiwan (TW). is a public IP address that belongs to ASN 18182 which is under the control of Sony Network Taiwan Limited. The prefix 061/8 ( 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 Lookup61-64-178-200-adsl-kao.dynamic.so-net.net.tw
IP Address ASN18182 controlled by Sony Network Taiwan Limited
IP ISP / OrganizationSony Network Taiwan Limited
IP Connection TypeCable/DSL [internet speed test]
IP Location ContinentAsia
IP Location CountryTaiwan (TW)
IP Location StateTainan (TNN)
IP Location CityTainan City
IP Location Latitude22.9908 / 22°59′26″ N
IP Location Longitude120.2133 / 120°12′47″ E
IP Location TimezoneAsia/Taipei
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 Prefix061/8
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

  • 61-64-178-200-adsl-kao.dynamic.so-net.net.tw 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 Notation61.64.178.200/32
Decimal Notation1027650248
Hexadecimal Notation0x3d40b2c8
Octal Notation07520131310
Binary Notation 111101010000001011001011001000
Dotted-Decimal Notation61.64.178.200
Dotted-Hexadecimal Notation0x3d.0x40.0xb2.0xc8
Dotted-Octal Notation075.0100.0262.0310
Dotted-Binary Notation00111101.01000000.10110010.11001000

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