Data as of Nov 7, 2026

56.105.0.0/16

No anonymizer space · no proxy exits in 30 days

United States Postal Service

Announcement

this exact prefix

No RPKI

Announced by

Type

Business

Announcements

Nesting

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.

More specific

Prefix	Origin	Type	Holder
56.105.64.0/18 since Mar 2009	AS5774	Business	United States Postal Service
56.105.65.0/24 since May 2024	AS5774	Business	United States Postal Service
56.105.67.0/24 since Nov 2013	AS5774	Business	United States Postal Service
56.105.72.0/21 since Sep 2015	AS5774	Business	United States Postal Service
56.105.80.0/22 since Sep 2015	AS5774	Business	United States Postal Service
56.105.84.0/23 since Sep 2015	AS5774	Business	United States Postal Service
56.105.108.0/22 since Oct 2022	AS5774	Business	United States Postal Service
56.105.120.0/22 since Sep 2015	AS5774	Business	United States Postal Service
56.105.128.0/18 since Mar 2009	AS5774	Business	United States Postal Service
56.105.128.0/24 since May 2024	AS5774	Business	United States Postal Service
56.105.129.0/24 since Oct 2013	AS5774	Business	United States Postal Service
56.105.156.0/22 since Oct 2022	AS5774	Business	United States Postal Service
56.105.164.0/22 since Nov 2018	AS5774	Business	United States Postal Service

Origin network