LAYER3 INTEL
Get started
Sign in
Data as of Nov 6, 2026

204.12.144.0/22

No anonymizer space · no proxy exits in 30 days

Shaw Communications

Announcement
this exact prefix
No RPKI
Announced by
AS6327
Type
Residential
Recent change
New origin Sep 2026
its first announcement on record

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
204.12.144.0/20
since Sep 2021
AS6327Residential13Shaw Communications
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
204.12.144.0/24
since May 2022
AS6327ResidentialShaw Communications

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
204.12.144.0/204,096SHAWENV-BLOCK4Shaw Communications (RCC-291) · CADirect AllocationJun 8, 2009internet.abuse@sjrb.ca
└ 204.12.144.0/24256ENV-CAL-204-12-144-0Calfrac Well Services Ltd. (CALFR) · CAReassignedOct 28, 2009—
└ 204.12.145.0/298ENV-PTP-204-12-145-0unknown———
└ 204.12.145.16/298ENV-PTP-204-12-145-16unknown———
└ 204.12.145.64/2732ENV-CCS-204-12-145-64unknown———
└ 204.12.145.96/2816ENV-CIOO-204-12-145-96unknown———
└ 204.12.145.112/2816ENV-MAT-204-12-145-112unknown———
└ 204.12.145.224/2816ENV-UWC-204-12-145-224unknown———
└ 204.12.145.244/304ENV-PTP-204-12-145-244unknown———
└ 204.12.145.248/304ENV-PTP-204-12-145-248unknown———
└ 204.12.145.252/304ENV-PTP-204-12-145-252unknown———
└ 204.12.146.0/2816ENV-EFW-204-12-146-0unknown———
└ 204.12.146.16/298ENV-VEN-204-12-146-16unknown———
└ 204.12.146.32/2816ENV-CIOO-204-12-146-32unknown———
└ 204.12.146.56/298ENV-PTP-204-12-146-56unknown———
└ 204.12.146.64/2816ENV-WSC-204-12-146-64unknown———
└ 204.12.146.80/298ENV-FOR-204-12-146-80unknown———
└ 204.12.146.88/298ENV-ELB-204-12-146-88unknown———
└ 204.12.146.96/2816ENV-GTC-204-12-146-96unknown———
└ 204.12.146.112/298ENV-PTP-204-12-146-112unknown———
└ 204.12.146.128/25128ENV-AAT-204-12-146-128unknown———
└ 204.12.147.128/2816ENV-XIT-204-12-147-128unknown———
└ 204.12.147.144/2816ENV-TSE-204-12-147-144unknown———
└ 204.12.147.164/304ENV-COS-204-12-147-164unknown———
└ 204.12.147.168/298ENV-GPT-204-12-147-168unknown———
└ 204.12.147.208/298ENV-FES-204-12-147-208unknown———
└ 204.12.147.216/298ENV-AF-204-12-147-216unknown———
└ 204.12.147.224/2816ENV-PTP-204-12-147-224unknown———
└ 204.12.147.240/2816ENV-CEN-204-12-147-240unknown———

Network & registry

AnnouncementRouting historyWhois & abuse
Origin network

AS6327

CA
Name
Shaw Communications
Type
Internet provider
Registered
Mar 8, 1996
Domain
shaw.ca
Website
www.shaw.ca
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed