- IP Address Lookup

The IP address location of is San Juan 00936, Puerto Rico (PR). is a public IP address that belongs to ASN 14957 which is under the control of Puerto Rico Electric Power Authority. The address resides in the IP address range - (CIDR notation:, and the whole subnet spans a total number of 512 individual IP addresses. The prefix 066/8 ( was allocated 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 Address ASN14957 controlled by Puerto Rico Electric Power Authority
IP ISP / OrganizationPuerto Rico Electric Power Authority
IP Connection TypeCable/DSL [internet speed test]
IP LocationSan Juan 00936, Puerto Rico (PR)
IP Geolocation Latitude18.4208 / 18°25′14″ N
IP Geolocation Longitude-66.0616 / 66°3′41″ W
IP Location TimezoneAmerica/Puerto_Rico
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 Range66.129.166.0 -
Number of IP Addresses512
IP Subnet66.129.166.0/23 [subnet calculator]
IP WHOIS Network HandleNET-66-129-166-0-1
IP WHOIS Network TypeReassigned
IP WHOIS Registration Date
IP WHOIS Modification Date
IP WHOIS Net Referencehttps://whois.arin.net/rest/net/NET-66-129-166-0-1
IP WHOIS RegistrantPuerto Rico Electric Power Authority (PREPA-4)
1110 Ponce de Leon
Suite 807
Edificio Luchetti
San Juan PR 00907
Puerto Rico (PR)

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 Prefix066/8
Regional Internet Registry (RIR)ARIN
Allocation Date
WHOIS Serverwhois.arin.net
RDAP Serverhttps://rdap.arin.net/registry, http://rdap.arin.net/registry
Delegated entirely to specific RIR (Regional Internet Registry) as indicated. 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 or because they might impose an ambiguity with octal numbers.
Below you can find some ways to express an IPv4 address.

Decimal Notation1115793006
Hexadecimal Notation0x4281a66e
Octal Notation010240323156
Binary Notation 1000010100000011010011001101110
Dotted-Decimal Notation66.129.166.110
Dotted-Hexadecimal Notation0x42.0x81.0xa6.0x6e
Dotted-Octal Notation0102.0201.0246.0156
Dotted-Binary Notation01000010.10000001.10100110.01101110

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