To assist you with debugging problems, this whois query was received from IP Address:

18.191.122.218

% 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 1997-2025, American Registry for Internet Numbers, Ltd.
#
NetRange:146.137.0.0 - 146.137.255.255
CIDR:146.137.0.0/16
NetName:ARGONNE2-B
NetHandle:NET-146-137-0-0-1
Parent:NET146 (NET-146-0-0-0-0)
NetType:Direct Allocation
OriginAS:
Organization:Argonne National Laboratory (ANL-13-Z)
RegDate:1991-02-11
Updated:2023-03-14
Ref:https://rdap.arin.net/registry/ip/146.137.0.0
OrgName:Argonne National Laboratory
OrgId:ANL-13-Z
Address:9700 South Cass Avenue
City:Argonne
StateProv:IL
PostalCode:60439
Country:US
RegDate:2023-02-17
Updated:2023-02-17
Ref:https://rdap.arin.net/registry/entity/ANL-13-Z
OrgTechHandle:LW26-ARIN
OrgTechName:Winkler, Linda
OrgTechPhone:+1-630-252-7236
OrgTechEmail:winkler@mcs.anl.gov
OrgTechRef:https://rdap.arin.net/registry/entity/LW26-ARIN
OrgAbuseHandle:ABUSE482-ARIN
OrgAbuseName:abuse-anl-gov
OrgAbusePhone:+1-630-252-9999
OrgAbuseEmail:abuse@anl.gov
OrgAbuseRef:https://rdap.arin.net/registry/entity/ABUSE482-ARIN
OrgNOCHandle:NOCAN-ARIN
OrgNOCName:noc-anl-gov
OrgNOCPhone:+1-630-252-9999
OrgNOCEmail:noc@anl.gov
OrgNOCRef:https://rdap.arin.net/registry/entity/NOCAN-ARIN
RTechHandle:LW26-ARIN
RTechName:Winkler, Linda
RTechPhone:+1-630-252-7236
RTechEmail:winkler@mcs.anl.gov
RTechRef:https://rdap.arin.net/registry/entity/LW26-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 1997-2025, American Registry for Internet Numbers, Ltd.
#

e.g. 203.119.42.0/24

IP address lookups Miscellaneous queries
-l

1st level less specific

Returns smallest IP address range that includes the queried IP address or range

-i

Inverse attributes

Returns objects with an attribute that matches the query text and attribute type
-L

All less specific

Return all larger IP address ranges that include the queried IP address or range

-T

Object types

Results that match the query and are of a specified object type
-m

1st level more specific

Returns first level more specific address ranges within the boundaries of the queried IP address range
-M

All more specific

Returns all more specific address ranges within the boundaries of the queried IP address range

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

Returns address range that exactly matches the queried IP address range
-d

Associated reverse domain

Returns IP address range and associated reverse domain

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