What Is My IP:
3.238.250.105

172.0.0.100

The public IP address 172.0.0.100 is located in Calera, Alabama, 35040, 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 172.0.0.100, or use the IP Lookup tool to find the approximate IP location for any public IP address.

172.0.0.100 IP Address Location

Reverse IP (PTR)172-0-0-100.lightspeed.brhmal.sbcglobal.net
ASN7018 (ATT-INTERNET4)
ISP / OrganizationAT&T U-verse
IP Connection TypeCable/DSL [internet speed test]
IP LocationCalera, Alabama, 35040, United States
IP ContinentNorth America
IP CountryUnited States (US)
IP StateAlabama (AL)
IP CityCalera
IP Postcode35040
IP Latitude33.1063 / 33°6′22″ N
IP Longitude-86.7583 / 86°45′29″ W
IP TimezoneAmerica/Chicago
IP Local Time

IANA IPv4 Address Space Allocation for Subnet 172.0.0.0/8

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
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.
Notes

172.16.0.0/12 reserved for Private-Use Networks [RFC1918]. Complete registration details are found in IANA registry iana-ipv4-special-registry.

172.0.0.100 IP Address Representations

CIDR Notation172.0.0.100/32
Decimal Notation2885681252
Hexadecimal Notation0xac000064
Octal Notation025400000144
Binary Notation10101100000000000000000001100100
Dotted-Decimal Notation172.0.0.100
Dotted-Hexadecimal Notation0xac.0x00.0x00.0x64
Dotted-Octal Notation0254.00.00.0144
Dotted-Binary Notation10101100.00000000.00000000.01100100

172.0.0.100 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 172.0.0.100.

  • 172.0.o.100
  • 172.o.0.100
  • 172.o.o.100

See also: IPv4 List - Page 107,447

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