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CIDR
/23 · 512 IPs
ASN
Metro Optic
Reverse DNS
ua-78.metrooptic.com
Last scanned 1 days ago
Blocklisted
Checking…
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.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
ua-78.metrooptic.com
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
38400 s
Reverse DNS last checked
2026-07-17 11:28 UTC
Forward DNS last checked
2026-07-17 11:28 UTC
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Network Allocation for 50.21.167.78

CIDR range
50.21.166.0/23
IP range (int)
840,279,552 — 840,280,063
Prefix length
/23
Organization
Metro Optic
ASN
AS29909
ASN name
Metro Optic
Location
Montreal, Quebec, Canada
Coordinates
45.497800, -73.548500
Accuracy radius
20 km
Postal code
H3C
Regional Internet Registry
ARIN
Allocated
2011-02-22
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-11 09:20:18

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

Announced prefix
Origin AS
Announcement samples
4,195
Last seen
2026-07-18 16:27:52

Frequently Asked Questions

Who owns 50.21.167.78?

50.21.167.78 is allocated to Metro Optic (AS29909), registered in Montreal, Canada.

Where is 50.21.167.78 located?

The geolocation for 50.21.167.78 maps to Montreal, 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 50.21.167.78 on?

50.21.167.78 belongs to the 50.21.166.0/23 network block announced by AS29909. This range contains 512 addresses.

Does 50.21.167.78 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: 2026-07-18 09:06:29 UTC
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