Skip to main content
IPv4 Address

123.28.0.199

Within
123.16.0.0/12
CIDR
/17 · 32.8K IPs
ASN
VNPT Corp
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 123.28.0.199

CIDR range
123.28.0.0/17
IP range (int)
2,065,432,576 — 2,065,465,343
Prefix length
/17
Organization
VNPT Corp
ASN
AS45899
ASN name
VNPT Corp
Location
Vietnam
Coordinates
16.166700, 107.833300
Accuracy radius
1000 km
Regional Internet Registry
APNIC
Allocated
2007-01-11
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-08 00:21:59

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

Announced prefix
Origin AS
Announcement samples
189,588
Last seen
2026-07-23 15:08:58

Frequently Asked Questions

Who owns 123.28.0.199?

123.28.0.199 is allocated to VNPT Corp (AS45899), registered in Vietnam.

Where is 123.28.0.199 located?

The geolocation for 123.28.0.199 maps to Vietnam 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 123.28.0.199 on?

123.28.0.199 belongs to the 123.28.0.0/17 network block announced by AS45899. This range contains 32,768 addresses.

Does 123.28.0.199 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: 2026-07-23 15:21:01 UTC
Share