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CIDR
/21 · 2.0K IPs
ASN
Altima Telecom
Reverse DNS
No PTR record
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.

73/100
Moderate
How this score is built

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

Network Allocation for 166.48.243.255

CIDR range
166.48.240.0/21
IP range (int)
2,788,225,024 — 2,788,227,071
Prefix length
/21
Organization
Altima Telecom
ASN
AS396338
ASN name
Altima Telecom
Location
Canada
Coordinates
43.631900, -79.371600
Accuracy radius
1000 km
Regional Internet Registry
ARIN
Allocated
2012-09-26
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-06-09 06:06:48

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

Announced prefix
Origin AS
Announcement samples
6,254
Last seen
2026-07-20 17:35:41

Frequently Asked Questions

Who owns 166.48.243.255?

166.48.243.255 is allocated to Altima Telecom (AS396338), registered in Canada.

Where is 166.48.243.255 located?

The geolocation for 166.48.243.255 maps to 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 166.48.243.255 on?

166.48.243.255 belongs to the 166.48.240.0/21 network block announced by AS396338. This range contains 2,048 addresses.

Does 166.48.243.255 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: 2026-07-20 18:30:57 UTC
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