12.21.5.5 🇺🇸

The public IP address 12.21.5.5 is located in San Francisco, California, 94142, 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 12.21.5.5, or use the IP Lookup tool to find the approximate IP location for any public IP address.

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12.21.5.5 IP Address Location

Reverse IP (PTR)5.0/29.5.21.12.in-addr.arpa
ASN7018 (ATT-INTERNET4)
ISP / OrganizationAT&T Business
IP Connection TypeCorporate [internet speed test]
IP LocationSan Francisco, California, 94142, United States
IP ContinentNorth America
IP Country🇺🇸 United States (US)
IP StateCalifornia (CA)
IP CitySan Francisco
IP Postcode94142
IP Latitude37.7809 / 37°46′51″ N
IP Longitude-122.4245 / 122°25′28″ 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.

12.21.5.5 IP Address Representations

CIDR Notation12.21.5.5/32
Decimal Notation202704133
Hexadecimal Notation0x0c150505
Octal Notation01405202405
Binary Notation 1100000101010000010100000101
Dotted-Decimal Notation12.21.5.5
Dotted-Hexadecimal Notation0x0c.0x15.0x05.0x05
Dotted-Octal Notation014.025.05.05
Dotted-Binary Notation00001100.00010101.00000101.00000101