12.40.220.21 🇺🇸

The public IP address 12.40.220.21 is located in Hayward, California, 94541, United States. It is assigned to the ISP AT&T Business. The address belongs to ASN 7018 which is delegated to ATT-INTERNET4.
Please have a look at the tables below for full details about 12.40.220.21, or use the IP Lookup tool to find the approximate IP location for any public IP address.

12.40.220.21 IP Address Location

Reverse IP (PTR)21.16/29.220.40.12.in-addr.arpa
ASN7018 (ATT-INTERNET4)
ISP / OrganizationAT&T Business
IP Connection TypeCorporate [internet speed test]
IP LocationHayward, California, 94541, United States
IP ContinentNorth America
IP Country🇺🇸 United States (US)
IP StateCalifornia (CA)
IP CityHayward
IP Postcode94541
IP Latitude37.6736 / 37°40′24″ N
IP Longitude-122.0944 / 122°5′39″ W
IP TimezoneAmerica/Los_Angeles
IP Local Time

IANA IPv4 Address Space Allocation for Subnet 12.0.0.0/8

IPv4 Address Space Prefix012/8
Regional Internet Registry (RIR)AT&T Bell Laboratories
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.

12.40.220.21 IP Address Representations

CIDR Notation12.40.220.21/32
Decimal Notation204004373
Hexadecimal Notation0x0c28dc15
Octal Notation01412156025
Binary Notation 1100001010001101110000010101
Dotted-Decimal Notation12.40.220.21
Dotted-Hexadecimal Notation0x0c.0x28.0xdc.0x15
Dotted-Octal Notation014.050.0334.025
Dotted-Binary Notation00001100.00101000.11011100.00010101