72.2.16.0/21

Announcements

Less specific

Prefix	Origin	Type	Proxy exits	Holder	RPKI
72.2.0.0/19 since May 2005	AS6327	Residential	14	Shaw Communications
72.2.0.0/18 since Apr 2026	AS6327	Residential	40 2 always on	Shaw Communications

More specific

Prefix	Origin	Type	Holder
72.2.18.0/24 since Mar 2022	AS396374	Unknown	Shaw Communications
72.2.19.0/24 since Mar 2022	AS396374	Unknown	Shaw Communications
72.2.22.0/24 since Feb 2025	AS29988	Hosting	Shaw Communications
72.2.23.0/24 since Mar 2017	AS6327	Residential	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
72.2.0.0/18	16,384	BIGPIPE-4	Shaw Communications (RCC-291) · CA	Direct Allocation	Sep 17, 2004	[email protected]
└ 72.2.16.0/24	256	SMART-TECHNOLOGIES	unknown	—	—	—
└ 72.2.17.0/29	8	REGIONAL-1-AIRLINES-LTD	unknown	—	—	—
└ 72.2.17.8/29	8	WILLOW-BIOSCIENCES-INC	unknown	—	—	—
└ 72.2.17.16/28	16	GENTHERM-GLOBAL-POWER-TECHNOLOGIES-INC	unknown	—	—	—
└ 72.2.17.32/27	32	LONG-VIEW-SYSTEMS-CORPORATION	unknown	—	—	—
└ 72.2.17.128/25	128	3C-INFORMATION	unknown	—	—	—
└ 72.2.18.0/24	256	3C-INFORMATION	3C Information (C08304401) · CA	Reassigned	Apr 8, 2022	[email protected] via BIGPIPE-4
└ 72.2.19.0/24	256	3C-INFORMATION	3C Information (C08304396) · CA	Reassigned	Apr 8, 2022	[email protected] via BIGPIPE-4
└ 72.2.20.0/23	512	BELL-NEXXIA-POP	unknown	—	—	—
└ 72.2.22.0/24	256	PIVOT-DATA-CENTRES-INC---WEST-SIDE	Pivot Data Centres Inc - West Side (C08304294) · CA	Reassigned	Apr 8, 2022	[email protected] via BIGPIPE-4
└ 72.2.23.0/24	256	MILK-RIVER-CABLE-CLUB	Milk River Cable Club (C08304292) · CA	Reassigned	Apr 8, 2022	[email protected] via BIGPIPE-4

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

The types across the prefix's announced space, by addresses.

Announced space

Announced space

2,048 addresses

Type	Addresses	Share	Ranges
Residential	1,088	53%	4
Unknown	512	25%	2
Hosting	256	13%	1
Business	192	9.4%	5

Origin network

CA

IRR inside

Prefix	Origin	Registry	Description	Maintainer	Modified
72.2.16.0/24	AS26140	RADB	Advertised for Smart Technologies	MAINT-AS20161	Nov 13, 2023
72.2.20.0/24	AS397569	RADB	Proxy Addition	MAINT-AS812	Mar 10, 2026
72.2.21.0/24	AS397569	RADB	Proxy Addition	MAINT-AS812	Mar 10, 2026