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WorldIP.io
CIDR
/19 · 8.2K IPs
ASN
Shaw Communications
Reverse DNS
S01061c9d7276ced8.cg.shawcable.net
last known PTR from 3 hr ago
Blocklisted
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Scanning blocklists

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

86/100
Trusted
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Domains hosted

as of 2026-10-25 UTC

0

issued.live's latest DNS data shows no domain resolving to this IP.

Domain data provided by issued.live — for full details visit https://issued.live/pricing

Reverse DNS history

How this IP's reverse DNS (PTR) has changed over time, from our scans.

Reverse-DNS changes between Jun 2, 2026 and Oct 29, 2026 were not recorded; the current PTR is shown from its earliest retained observation.

  1. no PTR — since at least Oct 29, 2026 → present
  2. S01061c9d7276ced8.cg.shawcable.net stable — Jun 2, 2026 → Oct 29, 2026 1 brief no-PTR dropout

Network Allocation for 50.66.138.221

CIDR range
50.66.128.0/19
IP range (int)
843,218,944 — 843,227,135
Prefix length
/19
Organization
Shaw Communications
ASN
AS6327
ASN name
Shaw Communications
Location
Calgary, Alberta, Canada
Coordinates
51.020700, -114.101100
Accuracy radius
5 km
Postal code
T2T
Regional Internet Registry
ARIN
Allocated
2010-10-28
Data source(s)
maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
Last updated
2026-10-28 08:43:11

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
11,079
Last seen
2026-10-29 07:30:16

Frequently Asked Questions

Who owns 50.66.138.221?

50.66.138.221 is allocated to Shaw Communications (AS6327), registered in Calgary, Canada.

Where is 50.66.138.221 located?

The geolocation for 50.66.138.221 maps to Calgary, Canada based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 50.66.138.221 on?

50.66.138.221 belongs to the 50.66.128.0/19 network block announced by AS6327. This range contains 8,192 addresses.

Does 50.66.138.221 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-10-29 05:09:05 UTC
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