- IP Address Lookup

The IP address location of is Johnstown 15906, Pennsylvania (PA), United States (US). is a public IP address that belongs to ASN 11776 which is under the control of Atlantic Broadband Finance, LLC. The address resides in the IP address range - (CIDR notation:, and the whole subnet spans a total number of 32,768 individual IP addresses. The prefix 138/8 ( was delegated for administration to ARIN by the Internet Assigned Numbers Authority (IANA) in . IP Address Location

Here you will find the approximate IP location for 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 Lookup138-207-245-240-dhcp.jst.pa.atlanticbb.net
IP Address ASN11776 controlled by Atlantic Broadband Finance, LLC
IP ISP / OrganizationAtlantic Broadband
IP Connection TypeCable/DSL [internet speed test]
IP LocationJohnstown 15906, Pennsylvania (PA), United States (US)
IP Geolocation Latitude40.3911 / 40°23′27″ N
IP Geolocation Longitude-78.9240 / 78°55′26″ W
IP Location TimezoneAmerica/New_York
IP Location Local Time WHOIS IP Lookup

This section provides the IP WHOIS record for IPv4 address which shows who is responsible for the corresponding IP subnet. Use our WHOIS IP Lookup tool to find the IP WHOIS record for any IPv4 or IPv6 address.

IP Address Range138.207.128.0 -
Number of IP Addresses32,768
IP Subnet138.207.128.0/17 [subnet calculator]
IP WHOIS Network NameATLAN-19
IP WHOIS Network HandleNET-138-207-128-0-1
IP WHOIS Network TypeDirect Allocation
IP WHOIS Registration Date
IP WHOIS Modification Date
IP WHOIS Net Referencehttps://whois.arin.net/rest/net/NET-138-207-128-0-1
IP WHOIS RegistrantAtlantic Broadband Finance, LLC (ATLAN-19)
120 Southmont Blvd
Johnstown PA 15905
United States (US)

IANA IPv4 Address Space Allocation for Subnet

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 Prefix138/8
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. 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

  • 138-207-245-240-dhcp.jst.pa.atlanticbb.net 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 because they might impose an ambiguity with octal numbers.
Below you can find some ways to express an IPv4 address.

Decimal Notation2328884720
Hexadecimal Notation0x8acff5f0
Octal Notation021263772760
Binary Notation10001010110011111111010111110000
Dotted-Decimal Notation138.207.245.240
Dotted-Hexadecimal Notation0x8a.0xcf.0xf5.0xf0
Dotted-Octal Notation0212.0317.0365.0360
Dotted-Binary Notation10001010.11001111.11110101.11110000

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