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CIDR
/21 · 2.0K IPs
ASN
CenturyLink Communications, LLC
Reverse DNS
75-166-152-84.hlrn.qwest.net
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.

86/100
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)
75-166-152-84.hlrn.qwest.net
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
43200 s
Reverse DNS last checked
2026-07-17 03:09 UTC
Forward DNS last checked
2026-07-17 03:09 UTC

Forward DNS records for 75-166-152-84.hlrn.qwest.net

TypeValuePriorityTTL
A 75.166.152.84 172800s
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 75.166.152.84

CIDR range
75.166.152.0/21
IP range (int)
1,269,209,088 — 1,269,211,135
Prefix length
/21
Organization
CenturyLink Communications, LLC
ASN
AS209
ASN name
CenturyLink Communications, LLC
Location
Denver, Colorado, United States
Coordinates
39.759300, -104.965100
Accuracy radius
20 km
Postal code
80205
Regional Internet Registry
ARIN
Allocated
2006-10-24
Data source(s)
maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
Last updated
2026-07-11 09:21:36

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

Announced prefix
Origin AS
Announcement samples
3,544
Last seen
2026-07-18 11:59:57

Frequently Asked Questions

Who owns 75.166.152.84?

75.166.152.84 is allocated to CenturyLink Communications, LLC (AS209), registered in Denver, United States.

Where is 75.166.152.84 located?

The geolocation for 75.166.152.84 maps to Denver, United States 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 75.166.152.84 on?

75.166.152.84 belongs to the 75.166.152.0/21 network block announced by AS209. This range contains 2,048 addresses.

Does 75.166.152.84 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 13:22:51 UTC
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