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.
- Baseline (neutral) 65
- Long-established allocation (18y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- mail.villastone.vn
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 3600 s
- Reverse DNS last checked
- 2026-07-19 17:19 UTC
- Forward DNS last checked
- 2026-07-19 17:19 UTC
Forward DNS records for mail.villastone.vn
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 112.213.92.206 | — | 172800s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
- mail.tnlexpress.com — Jul 6, 2026 → present
- mail.villastone.vn — Jun 28, 2026 → Jul 6, 2026
- mail.tnlexpress.com — Jun 21, 2026 → Jun 28, 2026
- mail.phuongnamstar.vn — Jun 14, 2026 → Jun 21, 2026
Network Allocation for 112.78.7.172
- CIDR range
- 112.78.0.0/20
- IP range (int)
- 1,884,160,000 — 1,884,164,095
- Prefix length
- /20
- Organization
- ODS Joint Stock Company
- ASN
- AS45538
- ASN name
- ODS Joint Stock Company
- Location
- Vietnam
- Coordinates
- 16.166700, 107.833300
- Accuracy radius
- 1000 km
- Regional Internet Registry
- APNIC
- Allocated
- 2008-12-31
- Data source(s)
- maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
- Last updated
- 2026-07-09 18:20:32
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 112.78.7.172?
112.78.7.172 is allocated to ODS Joint Stock Company (AS45538), registered in Vietnam.
Where is 112.78.7.172 located?
The geolocation for 112.78.7.172 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 112.78.7.172 on?
112.78.7.172 belongs to the 112.78.0.0/20 network block announced by AS45538. This range contains 4,096 addresses.
Does 112.78.7.172 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.
