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IPv4 Address

51.83.140.143

Within
51.83.0.0/16
CIDR
/24 · 256 IPs
ASN
OVH SAS
Reverse DNS
serv.majdanek.eu
Last scanned 6 hr 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.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
serv.majdanek.eu
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
21600 s
Reverse DNS last checked
2026-10-06 13:55 UTC
Forward DNS last checked
2026-10-05 22:41 UTC

Forward DNS records for serv.majdanek.eu

TypeValuePriorityTTL
A 51.83.196.138 — 60s
MX majdanek.home.pl 10 —
NS dns.home.pl — —
NS dns2.home.pl — —
NS dns3.home.pl — —
TXT 116lx5gklf2hjz1b2yxmbz0lwqn95wtc — —
TXT 8jxmfw8q6ns7m244d80l41jtqwq6tk0x — —
TXT MS=69C6EC1DDA0CB81FAB84AC0B7F520BCAFF831152 — —
TXT _0zi6vtjyh62ew3dcqvqor2grbe1ud7g — —
TXT _7xcodebz8a2o6qjeb02b6ymeaky2m7n — —
TXT mailerlite-domain-verification=be4a1e1dda3db56e7d4f877c731074fa1bf859e5 — —
TXT v=spf1 include:_spf.mlsend.com ip4:212.85.108.201 mx -all — —
TXT v=spf1 ip4:212.85.108.201 include:_spf.mlsend.com mx -all — —
TXT v=spf1 ip4:212.85.108.201 mx -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.

Domains hosted

as of 2026-10-04 UTC

0

issued.live saw no domain resolving to this IP in its latest weekly snapshot.

Domain data provided by issued.live — for full details visit https://issued.live/pricing

Network Allocation for 51.83.140.143

CIDR range
51.83.140.0/24
IP range (int)
861,113,344 — 861,113,599
Prefix length
/24
Organization
OVH SAS
ASN
AS16276
ASN name
OVH SAS
Location
Warsaw, Mazovia, Poland
Coordinates
52.229900, 21.009300
Accuracy radius
20 km
Postal code
00-510
Regional Internet Registry
RIPE
Allocated
1993-09-01
Data source(s)
maxmind_city, maxmind_country, ipinfo_lite, maxmind_asn
Last updated
2026-10-06 08:40:27

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

Announced prefix
Origin AS
Announcement samples
250,067
Last seen
2026-10-06 19:47:50

Frequently Asked Questions

Who owns 51.83.140.143?

51.83.140.143 is allocated to OVH SAS (AS16276), registered in Warsaw, Poland.

Where is 51.83.140.143 located?

The geolocation for 51.83.140.143 maps to Warsaw, Poland 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 51.83.140.143 on?

51.83.140.143 belongs to the 51.83.140.0/24 network block announced by AS16276. This range contains 256 addresses.

Does 51.83.140.143 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: 2026-10-06 15:32:01 UTC
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