The domain registration date is .

IP Addresses

IP Address Autonomous System Number (ASN) Internet Service Provider (ISP) / Organization Location AS4264 California Education and Research Federation Network CERFnet / UpToDate - NYC United States of America

Server Locations

LocationUnited States of America (US)
Latitude37.7510° (37° 45′ 3″ N)
Longitude-97.8220° (97° 49′ 19″ W)

IP WHOIS Information

IP Address Range199.107.238.192 -
Subnet Size32 IP addresses
CIDR Notation199.107.238.192/27
Net NameATTENS-011332-005456
Net HandleNET-199-107-238-192-1
Net TypeReassigned
Date Registered
Date Updated
Net Referencehttps://whois.arin.net/rest/net/NET-199-107-238-192-1
Registrant95 Sawyer Road, Waltham MA 02453, United States (US), https://whois.arin.net/rest/customer/C01393452

IP Address Range199.105.0.0 -
Subnet Size262,144 IP addresses
CIDR Notation199.105.0.0/16,,
Net HandleNET-199-105-0-0-1
Net TypeDirect Allocation
Date Registered
Date Updated
Net Referencehttps://whois.arin.net/rest/net/NET-199-105-0-0-1
RegistrantCERFnet (CERF), 5738 Pacific Center Blvd, San Diego CA 92121, United States (US), https://whois.arin.net/rest/org/CERF

IANA IPv4 Address Space Allocation

Allocation Date
StatusALLOCATED - delegated entirely to specific RIR (Regional Internet Registry) as indicated.

DNS Resource Records

In this section you will find important DNS resource records for uptodate.com. 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
uptodate.com IN A

Domain WHOIS Information

This is the uptodate.com 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.