IP Addresses

IP Address Autonomous System Number (ASN) Internet Service Provider (ISP) / Organization Location AS13506 US Department of the Treasury US Department of the Treasury United States of America

Server Locations

Location22201 Arlington, Virginia, United States of America (US)
Latitude38.8865° (38° 53′ 11″ N)
Longitude-77.0969° (77° 5′ 48″ W)
Local Time

IP WHOIS Information

IP Address Range166.123.0.0 -
Subnet Size65,536 IP addresses
CIDR Notation166.123.0.0/16
Net HandleNET-166-123-0-0-1
Net TypeDirect Assignment
Date Registered
Date Updated
Net Reference
RegistrantUS Department of the Treasury (UDT-6), OCIO, 1750 Pennsylvania Ave., NW, Washington DC 20006, United States (US),

IANA IPv4 Address Space Allocation

DesignationAdministered by ARIN
Allocation Date
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.

DNS Resource Records

In this section you will find important DNS resource records for SOA records, Name Server records, and MX records are included when available. Additional supporting data includes serial numbers, refresh rates, retry times, TTL, priority, and length to expire will be shown.

Node Name Class Type Data TTL IN A IN AAAA 2610:108:4000:2002::117

Domain WHOIS Information

This is the WHOIS information that includes important registration and owner details. Where applicable, you will find registrar info, important dates, name servers, and registration data. Registration data in most cases will include the Name, Organization, Address, City, State or Province, Postal Code, Country, Phone Number, and email address for Registrant, Administrative, and Technical contacts.