Whois Lookup

Query registration info, expiration date, registrar and more for domain, IP or ASN

Example： google.com · baidu.com · github.com · 8.8.8.8 · 211.234.110.0/24 · AS13335
Registration Info
191.53.20.0/23
IP Range
191.53.0.0/16
CIDR
191.0.0.0/8
Network Name
NET191
Organization
MASTER S/A
Country/Region
UY
Abuse Contact
[email protected]
Registration Date
20140409
Update Date
2010-07-21
Registrant
MASTER S/A
Domain Status
Allocated to LACNIC
Raw Whois Data
--- whois.lacnic.net ---

% IP Client: 193.203.15.57
 % Copyright (c) Nic.br - Use of this data is governed by the Use and
% Privacy Policy at https://registro.br/upp . Distribution,
% commercialization, reproduction, and use for advertising or similar
% purposes are expressly prohibited.
% 2026-09-15T07:24:18-03:00 - 193.203.15.57

inetnum:     191.53.0.0/16
aut-num:     AS28202
abuse-c:     ADMAS5
owner:       MASTER S/A
ownerid:     01.766.744/0001-84
responsible: Engenharia de Redes
owner-c:     ADMAS5
tech-c:      ADMAS5
inetrev:     191.53.20.0/24
nserver:     ns1.mastercabo.com.br
nsstat:      20260914 AA
nslastaa:    20260914
nserver:     ns2.mastercabo.com.br
nsstat:      20260914 AA
nslastaa:    20260914
created:     20140409
changed:     20140409

nic-hdl-br:  ADMAS5
person:      Administrativo MasterCabo
created:     20080402
changed:     20240228

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to [email protected] and [email protected]
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.


--- 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.
#


NetRange:       191.0.0.0 - 191.255.255.255
CIDR:           191.0.0.0/8
NetName:        NET191
NetHandle:      NET-191-0-0-0-0
Parent:          ()
NetType:        Allocated to LACNIC
OriginAS:       
Organization:   Latin American and Caribbean IP address Regional Registry (LACNIC)
RegDate:        1993-05-01
Updated:        2010-07-21
Ref:            https://rdap.arin.net/registry/ip/191.0.0.0

ResourceLink:  http://lacnic.net/cgi-bin/lacnic/whois
ResourceLink:  whois.lacnic.net


OrgName:        Latin American and Caribbean IP address Regional Registry
OrgId:          LACNIC
Address:        Rambla Republica de Mexico 6125
City:           Montevideo
StateProv:      
PostalCode:     11400
Country:        UY
RegDate:        2002-07-27
Updated:        2018-03-15
Ref:            https://rdap.arin.net/registry/entity/LACNIC

ReferralServer:  whois://whois.lacnic.net
ResourceLink:  http://lacnic.net/cgi-bin/lacnic/whois

OrgTechHandle: LACNIC-ARIN
OrgTechName:   LACNIC Whois Info
OrgTechPhone:  +598-2604-2222 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/LACNIC-ARIN

OrgAbuseHandle: LWI100-ARIN
OrgAbuseName:   LACNIC Whois Info
OrgAbusePhone:  +598-2604-2222 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LWI100-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.
#