47.18.30.138 - IP Address Lookup

The IP address location of 47.18.30.138 is Somerville 08876, New Jersey (NJ), United States (US).

47.18.30.138 is a public IP address that belongs to ASN 6128 which is under the control of Cablevision Systems Corp.. The prefix 047/8 (47.0.0.0/8) was delegated for administration to ARIN by the Internet Assigned Numbers Authority (IANA) in .

47.18.30.138 IP Address Location

Here you will find the approximate IP geolocation for 47.18.30.138 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 Lookupool-2f121e8a.dyn.optonline.net
IP Address ASN6128 controlled by Cablevision Systems Corp.
IP ISP / OrganizationOptimum Online
IP Connection TypeCable/DSL [internet speed test]
IP Location ContinentNorth America
IP Location CountryUnited States (US)
IP Location StateNew Jersey (NJ)
IP Location CitySomerville
IP Location Postcode08876
IP Location Latitude40.5743 / 40°34′27″ N
IP Location Longitude-74.6099 / 74°36′35″ W
IP Location TimezoneAmerica/New_York
IP Location Local Time

IANA IPv4 Address Space Allocation for Subnet 47.0.0.0/8

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 Prefix047/8
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.

47.18.30.138 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 47.18.30.138.

  • ool-2f121e8a.dyn.optonline.net

47.18.30.138 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 047.018.030.138 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 Notation789716618
Hexadecimal Notation0x2f121e8a
Octal Notation05704417212
Binary Notation 101111000100100001111010001010
Dotted-Decimal Notation47.18.30.138
Dotted-Hexadecimal Notation0x2f.0x12.0x1e.0x8a
Dotted-Octal Notation057.022.036.0212
Dotted-Binary Notation00101111.00010010.00011110.10001010

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