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CIDR
/21 · 2.0K IPs
ASN
Korea 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.

76/100
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 121.167.36.206

CIDR range
121.167.32.0/21
IP range (int)
2,040,995,840 — 2,040,997,887
Prefix length
/21
Organization
Korea Telecom
ASN
AS4766
ASN name
Korea Telecom
Location
Hwaseong-si, Gyeonggi Do, South Korea
Coordinates
37.207200, 126.816800
Accuracy radius
20 km
Postal code
18261
Regional Internet Registry
APNIC
Allocated
2006-11-01
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-11 09:23:09

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

Announced prefix
Origin AS
Announcement samples
7,273
Last seen
2026-07-18 14:24:26

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 New Allocation KR

See the full history for 121.128.0.0/10.

Frequently Asked Questions

Who owns 121.167.36.206?

121.167.36.206 is allocated to Korea Telecom (AS4766), registered in Hwaseong-si, South Korea.

Where is 121.167.36.206 located?

The geolocation for 121.167.36.206 maps to Hwaseong-si, South Korea 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 121.167.36.206 on?

121.167.36.206 belongs to the 121.167.32.0/21 network block announced by AS4766. This range contains 2,048 addresses.

Does 121.167.36.206 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 10:39:11 UTC
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