51.81.137.174
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
- Datacenter — common VPN/proxy host −6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 69 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- gaukfsi.eventbites.online
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 604800 s
- Reverse DNS last checked
- 2026-07-07 19:07 UTC
- Forward DNS last checked
- 2026-07-07 19:07 UTC
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.
- no PTR — Jun 23, 2026 → present
- gaukfsi.eventbites.online stable — Jun 11, 2026 → Jun 23, 2026
Network Allocation for 51.81.137.174
- CIDR range
- 51.81.128.0/20
- IP range (int)
- 860,979,200 — 860,983,295
- Prefix length
- /20
- Organization
- OVH SAS
- ASN
- AS16276
- ASN name
- OVH SAS
- Location
- Hillsboro, Oregon, United States
- Coordinates
- 45.526000, -122.987400
- Accuracy radius
- 20 km
- Postal code
- 97129
- Regional Internet Registry
- RIPE
- Allocated
- 2019-03-11
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-07-11 09:20:24
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
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 | ripe | arin |
See the full history for 51.81.0.0/16.
Frequently Asked Questions
Who owns 51.81.137.174?
51.81.137.174 is allocated to OVH SAS (AS16276), registered in Hillsboro, United States.
Where is 51.81.137.174 located?
The geolocation for 51.81.137.174 maps to Hillsboro, 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 51.81.137.174 on?
51.81.137.174 belongs to the 51.81.128.0/20 network block announced by AS16276. This range contains 4,096 addresses.
Does 51.81.137.174 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.
