172.5.18.252 - IP Address Lookup

The IP address location of 172.5.18.252 is Chicago 60602, Illinois (IL), United States (US).

172.5.18.252 is a public IP address that belongs to ASN 7018 which is under the control of AT&T Services, Inc.. The prefix 172/8 (172.0.0.0/8) was delegated for administration to ARIN by the Internet Assigned Numbers Authority (IANA) in .

172.5.18.252 IP Address Location

Here you will find the approximate IP geolocation for 172.5.18.252 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 Lookup172-5-18-252.lightspeed.cicril.sbcglobal.net
IP Address ASN7018 controlled by AT&T Services, Inc.
IP ISP / OrganizationAT&T U-verse
IP Connection TypeCable/DSL [internet speed test]
IP Location ContinentNorth America
IP Location CountryUnited States (US)
IP Location StateIllinois (IL)
IP Location CityChicago
IP Location Postcode60602
IP Location Latitude41.8483 / 41°50′53″ N
IP Location Longitude-87.6517 / 87°39′6″ W
IP Location TimezoneAmerica/Chicago
IP Location Local Time

IANA IPv4 Address Space Allocation for Subnet 172.0.0.0/8

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 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.

172.5.18.252 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 172.5.18.252.

  • 172-5-18-252.lightspeed.cicril.sbcglobal.net

172.5.18.252 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 172.005.018.252 or 010.010.010.010 because they might impose an ambiguity with octal numbers.
Below you can find some ways to express an IPv4 address.

Decimal Notation2886013692
Hexadecimal Notation0xac0512fc
Octal Notation025401211374
Binary Notation10101100000001010001001011111100
Dotted-Decimal Notation172.5.18.252
Dotted-Hexadecimal Notation0xac.0x05.0x12.0xfc
Dotted-Octal Notation0254.05.022.0374
Dotted-Binary Notation10101100.00000101.00010010.11111100

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