129.57.237.133 🇺🇸

The public IP address 129.57.237.133 is located in Newport News, Virginia, 23602, United States. It is assigned to the ISP Continuous Electron Beam Accelerator Facility. The address belongs to ASN 6406 which is delegated to CEBAF.
Please have a look at the tables below for full details about 129.57.237.133, or use the IP Lookup tool to find the approximate IP location for any public IP address.

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129.57.237.133 IP Address Location

Reverse IP (PTR)none
ASN6406 (CEBAF)
ISP / OrganizationContinuous Electron Beam Accelerator Facility
IP Connection TypeCorporate [internet speed test]
IP LocationNewport News, Virginia, 23602, United States
IP ContinentNorth America
IP Country🇺🇸 United States (US)
IP StateVirginia (VA)
IP CityNewport News
IP Postcode23602
IP Latitude37.1100 / 37°6′36″ N
IP Longitude-76.5115 / 76°30′41″ W
IP TimezoneAmerica/New_York
IP Local Time

IANA IPv4 Address Space Allocation for Subnet 129.0.0.0/8

IPv4 Address Space Prefix129/8
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.

129.57.237.133 IP Address Representations

CIDR Notation129.57.237.133/32
Decimal Notation2168057221
Hexadecimal Notation0x8139ed85
Octal Notation020116366605
Binary Notation10000001001110011110110110000101
Dotted-Decimal Notation129.57.237.133
Dotted-Hexadecimal Notation0x81.0x39.0xed.0x85
Dotted-Octal Notation0201.071.0355.0205
Dotted-Binary Notation10000001.00111001.11101101.10000101