Data as of Nov 6, 2026

204.12.156.0/24

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
└ 204.12.156.0/29	8	ENV-VC-204-12-156-0	unknown	—	—	—
└ 204.12.156.8/29	8	ENV-NEI-204-12-156-0	unknown	—	—	—
└ 204.12.156.24/29	8	ENV-VIS-204-12-156-24	unknown	—	—	—
└ 204.12.156.64/26	64	ENV-NI-204-12-156-64	unknown	—	—	—
└ 204.12.156.160/27	32	ENV-BRR-204-12-156-160	unknown	—	—	—
└ 204.12.156.224/29	8	ENV-IMS-204-12-156-224	unknown	—	—	—
└ 204.12.156.232/29	8	ENV-SUM-204-12-156-232	unknown	—	—	—

Origin network