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CIDR
/21 · 2.0K IPs
ASN
National Telecom Public Company Limited
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.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network Allocation for 209.15.120.242

CIDR range
209.15.120.0/21
IP range (int)
3,507,451,904 — 3,507,453,951
Prefix length
/21
Organization
National Telecom Public Company Limited
ASN
AS139591
ASN name
National Telecom Public Company Limited
Location
Thailand
Coordinates
13.744200, 100.460800
Accuracy radius
500 km
Regional Internet Registry
ARIN
Allocated
1999-03-17
Data source(s)
maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
Last updated
2026-06-09 06:05:37

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

Announced prefix
Origin AS
Announcement samples
6,270
Last seen
2026-07-24 20:36:28

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 RIR Transfer arin apnic

See the full history for 209.15.96.0/19.

Frequently Asked Questions

Who owns 209.15.120.242?

209.15.120.242 is allocated to National Telecom Public Company Limited (AS139591), registered in Thailand.

Where is 209.15.120.242 located?

The geolocation for 209.15.120.242 maps to Thailand 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 209.15.120.242 on?

209.15.120.242 belongs to the 209.15.120.0/21 network block announced by AS139591. This range contains 2,048 addresses.

Does 209.15.120.242 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: 2026-07-24 20:54:11 UTC
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