APNIC - Query the APNIC Whois Database

To assist you with debugging problems, this whois query was received from IP Address
[216.73.216.42]

% APNIC found the following authoritative answer from: 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:       192.100.51.0 - 192.100.51.255
CIDR:           192.100.51.0/24
NetName:        DOENV
NetHandle:      NET-192-100-51-0-1
Parent:         NET192 (NET-192-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   U.S. Department of Energy (UDE-5-Z)
RegDate:        1991-03-22
Updated:        2022-09-15
Ref:            https://rdap.arin.net/registry/ip/192.100.51.0

OrgName:        U.S. Department of Energy
OrgId:          UDE-5-Z
Address:        Nevada Field Office
Address:        PO Box 98521
Address:        NLV-032
City:           Las Vegas
StateProv:      NV
PostalCode:     89193
Country:        US
RegDate:        2022-08-24
Updated:        2022-08-24
Ref:            https://rdap.arin.net/registry/entity/UDE-5-Z

OrgAbuseHandle: ABUSE1540-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-702-295-1800 
OrgAbuseEmail:  computersecuritygroup@nv.doe.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1540-ARIN

OrgTechHandle: TECHN532-ARIN
OrgTechName:   Technical Support
OrgTechPhone:  +1-702-295-1000 
OrgTechEmail:  tech@nv.doe.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN532-ARIN

RAbuseHandle: ABUSE1540-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-702-295-1800 
RAbuseEmail:  computersecuritygroup@nv.doe.gov
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1540-ARIN

RNOCHandle: TECHN532-ARIN
RNOCName:   Technical Support
RNOCPhone:  +1-702-295-1000 
RNOCEmail:  tech@nv.doe.gov
RNOCRef:    https://rdap.arin.net/registry/entity/TECHN532-ARIN

RTechHandle: TECHN532-ARIN
RTechName:   Technical Support
RTechPhone:  +1-702-295-1000 
RTechEmail:  tech@nv.doe.gov
RTechRef:    https://rdap.arin.net/registry/entity/TECHN532-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.
#

Bold: Object type.
Underlined: Primary key(s).
Hyperlinks: Searchable Attributes.

9 records found for '192.100.51.131'

Search for
IP address lookups		Miscellaneous queries
-l	1st level less specific	-i	Inverse attributes
-L	All less specific	-T	Object types
-m	1st level more specific	-T	Object types
-M	All more specific	Query hints Include "AS" in front of an AS number. Example: AS4808 Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template Example: -t inetnum
-x	Exact match only
-d	Associated reverse domain

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