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WHOIS

Lookup an IP or domain. Uses IANA referral first, then registry WHOIS.

Query
192.254.99.102
IANA
whois.iana.org
Referred
whois.arin.net
WHOIS servers can rate limit. Results are cached for performance.
### IANA response (whois.iana.org)

% IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object

refer:        whois.arin.net

inetnum:      192.0.0.0 - 192.255.255.255
organisation: Administered by ARIN
status:       LEGACY

remarks:      192.0.2.0/24  reserved for TEST-NET-1 [RFC5737].
remarks:      192.88.99.0/24 reserved for 6to4 Relay Anycast
remarks:      [RFC7526].192.88.99.2/32 reserved for 6a44 Relay Anycast
remarks:      [RFC6751](possibly collocated with 6to4 Relay at
remarks:      192.88.99.1/32 - see [RFC7526]).192.168.0.0/16 reserved
remarks:      for Private-Use Networks [RFC1918]. Complete
remarks:      registration details are found
remarks:      iniana-ipv4-special-registry.
remarks:      192.0.0.0/24 reserved for IANA IPv4 Special Purpose
remarks:      Address Registry [RFC5736]. Complete registration
remarks:      details for 192.0.0.0/24 are found
remarks:      iniana-ipv4-special-registry.

whois:        whois.arin.net

changed:      1993-05
source:       IANA

### Registry response (whois.arin.net)

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


#
# Query terms are ambiguous.  The query is assumed to be:
#     "n 192.254.99.102"
#
# Use "?" to get help.
#

NetRange:       192.254.96.0 - 192.254.111.255
CIDR:           192.254.96.0/20
NetName:        OSNET-1
NetHandle:      NET-192-254-96-0-1
Parent:         NET192 (NET-192-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   OSNET (OSNET)
RegDate:        2013-06-20
Updated:        2013-06-28
Ref:            https://rdap.arin.net/registry/ip/192.254.96.0


OrgName:        OSNET
OrgId:          OSNET
Address:        PO BOX 819
City:           Humacao
StateProv:      PR
PostalCode:     00792-0819
Country:        PR
RegDate:        2010-05-25
Updated:        2025-09-18
Ref:            https://rdap.arin.net/registry/entity/OSNET


OrgAbuseHandle: RIVER7-ARIN
OrgAbuseName:   Rivera, Ivan 
OrgAbusePhone:  +1-787-655-1919 
OrgAbuseEmail:  abuse@osnetpr.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RIVER7-ARIN

OrgTechHandle: TREJO37-ARIN
OrgTechName:   Trejo, Greider  
OrgTechPhone:  +1-787-655-1919 
OrgTechEmail:  gtrejo@osnetpr.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TREJO37-ARIN

OrgNOCHandle: RIVER5-ARIN
OrgNOCName:   Rivera, Ivan 
OrgNOCPhone:  +1-787-655-1919 
OrgNOCEmail:  noc@osnetpr.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/RIVER5-ARIN

OrgNOCHandle: NOC33740-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-787-710-0000 
OrgNOCEmail:  noc@osnetpr.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC33740-ARIN

RNOCHandle: RIVER5-ARIN
RNOCName:   Rivera, Ivan 
RNOCPhone:  +1-787-655-1919 
RNOCEmail:  noc@osnetpr.com
RNOCRef:    https://rdap.arin.net/registry/entity/RIVER5-ARIN

RAbuseHandle: RIVER7-ARIN
RAbuseName:   Rivera, Ivan 
RAbusePhone:  +1-787-655-1919 
RAbuseEmail:  abuse@osnetpr.com
RAbuseRef:    https://rdap.arin.net/registry/entity/RIVER7-ARIN

RTechHandle: RIVER5-ARIN
RTechName:   Rivera, Ivan 
RTechPhone:  +1-787-655-1919 
RTechEmail:  noc@osnetpr.com
RTechRef:    https://rdap.arin.net/registry/entity/RIVER5-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Frequently Asked Questions

What is WHOIS?

WHOIS is a protocol that queries databases to find the registered owner of a domain name or IP address. It reveals the registrar, registration dates, nameservers, and contact information associated with a domain or IP block.

Is WHOIS data always accurate?

Not always. Many domain registrars offer WHOIS privacy protection that replaces the registrant's personal details with proxy information. IP WHOIS data from Regional Internet Registries (RIRs) is generally more reliable than domain WHOIS data.

Can I use WHOIS to find who owns an IP address?

Yes. Enter any IP address into the WHOIS tool to find the organization that owns the IP block, the Regional Internet Registry (ARIN, RIPE, APNIC, etc.) that allocated it, and the network range it belongs to.

What is the difference between domain WHOIS and IP WHOIS?

Domain WHOIS shows registration details like the registrar, creation date, expiry date, and nameservers. IP WHOIS shows the network allocation, the organization that owns the IP block, and the abuse contact for reporting issues.

Why does WHOIS show privacy protection instead of real details?

Domain registrars offer WHOIS privacy services to protect registrants from spam, identity theft, and unwanted contact. GDPR regulations in Europe also require redaction of personal data from WHOIS records.

How often is WHOIS data updated?

WHOIS data is updated by the registrar or registry whenever changes are made to a domain or IP registration. Our tool queries the authoritative WHOIS server in real-time, with results cached for 7 days to reduce server load.

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