WHOIS

Lookup an IP or domain. Uses IANA referral first, then registry WHOIS.
Query
198.154.112.38
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:      198.0.0.0 - 198.255.255.255
organisation: Administered by ARIN
status:       LEGACY

remarks:      198.18.0.0/15 reserved for Network Interconnect Device
remarks:      Benchmark Testing [RFC2544]. Complete registration
remarks:      details for 198.18.0.0/15 are found
remarks:      iniana-ipv4-special-registry.198.51.100.0/24 reserved
remarks:      for TEST-NET-2 [RFC5737]. Complete registration details
remarks:      for 198.51.100.0/24 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 198.154.112.38"
#
# Use "?" to get help.
#

NetRange:       198.154.96.0 - 198.154.127.255
CIDR:           198.154.96.0/19
NetName:        ZC38-BLOCK4
NetHandle:      NET-198-154-96-0-1
Parent:         NET198 (NET-198-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   zColo (ZGL-6)
RegDate:        2012-05-07
Updated:        2018-04-06
Ref:            https://rdap.arin.net/registry/ip/198.154.96.0


OrgName:        zColo
OrgId:          ZGL-6
Address:        1805 29th St Suite 2050
Address:        Databank Holdings
City:           Boulder
StateProv:      CO
PostalCode:     80301
Country:        US
RegDate:        2018-01-09
Updated:        2021-10-26
Ref:            https://rdap.arin.net/registry/entity/ZGL-6

ReferralServer:  rwhois://rwhois.corexchange.com:4321

OrgTechHandle: ZCOLO-ARIN
OrgTechName:   ZCOLO
OrgTechPhone:  +1-571-450-1165 
OrgTechEmail:  networking@databank.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZCOLO-ARIN

OrgTechHandle: POINT3-ARIN
OrgTechName:   Point of Contact
OrgTechPhone:  +1-855-328-2247 
OrgTechEmail:  networking@databank.com
OrgTechRef:    https://rdap.arin.net/registry/entity/POINT3-ARIN

OrgAbuseHandle: ZCOLO-ARIN
OrgAbuseName:   ZCOLO
OrgAbusePhone:  +1-571-450-1165 
OrgAbuseEmail:  networking@databank.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZCOLO-ARIN

OrgNOCHandle: ZCOLO-ARIN
OrgNOCName:   ZCOLO
OrgNOCPhone:  +1-571-450-1165 
OrgNOCEmail:  networking@databank.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZCOLO-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.
#