- IP Address Lookup

The IP address location of is Taguig 1631, National Capital Region, Philippines (PH). is a public IP address that belongs to ASN 10139 which is under the control of Smart Broadband, Inc.. 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 Lookupsmtp02.smartbroadband.net.ph
IP Address ASN10139 controlled by Smart Broadband, Inc.
IP ISP / OrganizationSmart Broadband
IP Connection TypeCable/DSL [internet speed test]
IP Location ContinentAsia
IP Location CountryPhilippines (PH)
IP Location StateNational Capital Region
IP Location CityTaguig
IP Location Postcode1631
IP Location Latitude14.4736 / 14°28′24″ N
IP Location Longitude121.0488 / 121°2′55″ E
IP Location TimezoneAsia/Manila
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

  • smtp02.smartbroadband.net.ph 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 Notation2030109523
Hexadecimal Notation0x79010353
Octal Notation017100201523
Binary Notation 1111001000000010000001101010011
Dotted-Decimal Notation121.1.3.83
Dotted-Hexadecimal Notation0x79.0x01.0x03.0x53
Dotted-Octal Notation0171.01.03.0123
Dotted-Binary Notation01111001.00000001.00000011.01010011 Common Typing Errors

You might encounter misspelled IP addresses containing "o", "l" or "I" characters instead of digits. The following list includes some typical typing errors for

  • 121.I.3.83
  • 121.l.3.83

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