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IPv4 Address

51.91.186.143

OVH SAS AS16276 · OVH SAS France RIPE 🛡️ Proxy/VPN (likely) 🖥️ Hosting/DC
Within
51.91.0.0/16
CIDR
/21 · 2.0K IPs
ASN
OVH SAS
Reverse DNS
iyolatx.info
last known PTR from 28 days ago
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.

75/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
iyolatx.info
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
604800 s
Reverse DNS last checked
2026-07-07 07:53 UTC
Forward DNS last checked
2026-07-07 07:53 UTC

Forward DNS records for iyolatx.info

TypeValuePriorityTTL
A 138.226.246.11 172800s
MX mail.iyolatx.info 10
NS ns1.dyna-ns.net
NS ns2.dyna-ns.net
TXT v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; pct=100; rua=mailto:postmaster@iyolatx.info; ruf=mailto:postmaster@iyolatx.info
TXT v=spf1 a mx ip4:138.226.246.11 ~all
every IP & sub-domain we've seen under this domain

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.

  1. no PTR — Jun 21, 2026 → present
  2. iyolatx.info stable — Jun 2, 2026 → Jun 21, 2026

Network Allocation for 51.91.186.143

CIDR range
51.91.184.0/21
IP range (int)
861,648,896 — 861,650,943
Prefix length
/21
Organization
OVH SAS
ASN
AS16276
ASN name
OVH SAS
Location
France
Coordinates
48.858200, 2.338700
Accuracy radius
500 km
Regional Internet Registry
RIPE
Allocated
1993-09-01
Data source(s)
ipinfo_lite, maxmind_city, maxmind_asn, maxmind_country
Last updated
2026-07-18 14:05:12

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

Announced prefix
Origin AS
Announcement samples
26,923
Last seen
2026-07-19 16:09:47

Frequently Asked Questions

Who owns 51.91.186.143?

51.91.186.143 is allocated to OVH SAS (AS16276), registered in France.

Where is 51.91.186.143 located?

The geolocation for 51.91.186.143 maps to France 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 51.91.186.143 on?

51.91.186.143 belongs to the 51.91.184.0/21 network block announced by AS16276. This range contains 2,048 addresses.

Does 51.91.186.143 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: 2026-07-19 05:47:01 UTC
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