Data as of Nov 6, 2026

204.12.158.0/24

No anonymizer space · no proxy exits in 30 days

Shaw Communications

Announcement

this exact prefix

No RPKI

Announced by

Type

Residential

Risk

0 / 100 · Low

Recent change

New origin Sep 2026

its first announcement on record

Announcements

Less specific

Prefix	Origin	Type	Proxy exits	Holder	RPKI
204.12.144.0/20 since Sep 2021	AS6327	Residential	13	Shaw Communications

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
204.12.144.0/20	4,096	SHAWENV-BLOCK4	Shaw Communications (RCC-291) · CA	Direct Allocation	Jun 8, 2009	internet.abuse@sjrb.ca
└ 204.12.158.32/28	16	ENV-CSC-204-12-158-32	unknown	—	—	—
└ 204.12.158.48/28	16	ENV-AF-204-12-158-48	unknown	—	—	—
└ 204.12.158.64/27	32	ENV-MCC-204-12-158-64	unknown	—	—	—
└ 204.12.158.96/28	16	ENV-PDC-204-12-158-96	unknown	—	—	—
└ 204.12.158.112/30	4	ENV-NEX-204-12-158-112	unknown	—	—	—
└ 204.12.158.128/26	64	ENV-PDC-204-12-158-128	unknown	—	—	—
└ 204.12.158.216/29	8	ENV-DGM-204-12-158-216	unknown	—	—	—
└ 204.12.158.240/29	8	ENV-CCHS-204-12-158-240	unknown	—	—	—
└ 204.12.158.248/29	8	ENV-DGM-204-12-158-248	unknown	—	—	—

Origin network