What Is My IP:
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The public IP address is located in Pasadena, California, 91104, United States. It is assigned to the ISP AT&T U-verse. The address belongs to ASN 7018 which is delegated to ATT-INTERNET4.
Please have a look at the tables below for full details about, or use the IP Lookup tool to find the approximate IP location for any public IP address. IP Address Location

Reverse IP (PTR)172-4-57-1.lightspeed.irvnca.sbcglobal.net
ISP / OrganizationAT&T U-verse
IP Connection TypeCable/DSL [internet speed test]
IP LocationPasadena, California, 91104, United States
IP ContinentNorth America
IP Country🇺🇸 United States (US)
IP StateCalifornia (CA)
IP CityPasadena
IP Postcode91104
IP Latitude34.1624 / 34°9′44″ N
IP Longitude-118.1275 / 118°7′39″ W
IP TimezoneAmerica/Los_Angeles
IP Local Time

IANA IPv4 Address Space Allocation for Subnet

IPv4 Address Space Prefix172/8
Regional Internet Registry (RIR)Administered by ARIN
Allocation Date
WHOIS Serverwhois.arin.net
RDAP Serverhttps://rdap.arin.net/registry, http://rdap.arin.net/registry
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.
Notes reserved for Private-Use Networks [RFC1918]. Complete registration details are found in IANA registry iana-ipv4-special-registry. IP Address Representations

CIDR Notation172.4.57.1/32
Decimal Notation2885957889
Hexadecimal Notation0xac043901
Octal Notation025401034401
Binary Notation10101100000001000011100100000001
Dotted-Decimal Notation172.4.57.1
Dotted-Hexadecimal Notation0xac.0x04.0x39.0x01
Dotted-Octal Notation0254.04.071.01
Dotted-Binary Notation10101100.00000100.00111001.00000001 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

  • 172.4.57.I
  • 172.4.57.l

See also: IPv4 List - Page 135,388

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