#
# 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.
#

ASNumber: 5774
ASName: USPS-001
ASHandle: AS5774
RegDate: 1995-10-18
Updated: 2024-12-26
Ref: https://rdap.arin.net/registry/autnum/5774

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: ZU38-ARIN
OrgTechName: Domain Admin
OrgTechPhone: +1-800-877-7435
OrgTechEmail: domainadmin@imail.usps.gov
OrgTechRef: https://rdap.arin.net/registry/entity/ZU38-ARIN

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

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: KONTO18-ARIN
OrgTechName: Kontos, Emmanuel
OrgTechPhone: +1-919-649-7461
OrgTechEmail: emmanuel.kontos@usps.gov
OrgTechRef: https://rdap.arin.net/registry/entity/KONTO18-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.
#

IPv4 Results:

AS5774 United States Postal Service.
56.0.32.0 - 56.0.47.255
56.0.64.0 - 56.0.95.255
56.0.128.0 - 56.0.191.255
56.105.64.0 - 56.105.191.255
IPv6 not found