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

18.223.162.171

% 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:56.237.0.0 - 56.239.255.255
CIDR:56.238.0.0/15, 56.237.0.0/16
NetName:USPS1
NetHandle:NET-56-237-0-0-1
Parent:NET56 (NET-56-0-0-0-0)
NetType:Direct Allocation
OriginAS:
Organization:United States Postal Service (USPS-3-Z)
RegDate:1992-11-02
Updated:2024-12-26
Ref:https://rdap.arin.net/registry/ip/56.237.0.0
OrgName:United States Postal Service
OrgId:USPS-3-Z
Address:4200 Wake Forest Road
City:Raleigh
StateProv:NC
PostalCode:27668-9007
Country:US
RegDate:2021-07-27
Updated:2024-12-26
Ref:https://rdap.arin.net/registry/entity/USPS-3-Z
OrgTechHandle:YOKLA1-ARIN
OrgTechName:Yoklavich, John
OrgTechPhone:+1-919-501-9334
OrgTechEmail:john.f.yoklavich@usps.gov
OrgTechRef:https://rdap.arin.net/registry/entity/YOKLA1-ARIN
OrgTechHandle:KONTO18-ARIN
OrgTechName:Kontos, Emmanuel
OrgTechPhone:+1-919-649-7461
OrgTechEmail:emmanuel.kontos@usps.gov
OrgTechRef:https://rdap.arin.net/registry/entity/KONTO18-ARIN
OrgAbuseHandle:ZU38-ARIN
OrgAbuseName:Domain Admin
OrgAbusePhone:+1-800-877-7435
OrgAbuseEmail:domainadmin@imail.usps.gov
OrgAbuseRef:https://rdap.arin.net/registry/entity/ZU38-ARIN
OrgTechHandle:ZU38-ARIN
OrgTechName:Domain Admin
OrgTechPhone:+1-800-877-7435
OrgTechEmail:domainadmin@imail.usps.gov
OrgTechRef:https://rdap.arin.net/registry/entity/ZU38-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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