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IPv4 Address

51.77.46.142

Within
51.77.0.0/16
CIDR
/21 · 2.0K IPs
ASN
OVH SAS
Reverse DNS
fireprobe.net
Last scanned 14 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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
fireprobe.net
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
86400 s
Reverse DNS last checked
2026-09-20 23:12 UTC
Forward DNS last checked
2026-09-20 22:30 UTC

Forward DNS records for fireprobe.net

TypeValuePriorityTTL
A 146.59.9.198 60s
MX alt1.aspmx.l.google.com 5
MX alt2.aspmx.l.google.com 5
MX alt3.aspmx.l.google.com 10
MX alt4.aspmx.l.google.com 10
MX aspmx.l.google.com 1
NS dns13.ovh.net
NS ns13.ovh.net
TXT 14f8b729bc5a0d81345e7365bbc7445da431253bc528b7766a50258022a9b10
TXT 35569d7a472d120b1c249cadb84cb28d548500701eb4e1077fa8ed6f56f9e1a
TXT b7a4df260787c8dad58486996cb68c3ab9aecbd1fde86e92808dade02ca408b
TXT e7c4ef15cf0a6866248a319335595d5f612d7cb1fde155bce8298c0a24c45b5
TXT google-site-verification=O4yJTo3WqhobxvtVfvM-zVR4reOXElUrw2RwRwHDRWo
TXT google-site-verification=mYo28HUmOzsMTycS8HMR4blLvRGALqZXAccrLnEBxFE
TXT v=spf1 include:_spf.google.com ~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.

Network Allocation for 51.77.46.142

CIDR range
51.77.40.0/21
IP range (int)
860,694,528 — 860,696,575
Prefix length
/21
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
2026-09-20 05:21:37

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

Announced prefix
Origin AS
Announcement samples
223,607
Last seen
2026-09-20 23:54:12

Frequently Asked Questions

Who owns 51.77.46.142?

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

Where is 51.77.46.142 located?

The geolocation for 51.77.46.142 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 51.77.46.142 on?

51.77.46.142 belongs to the 51.77.40.0/21 network block announced by AS16276. This range contains 2,048 addresses.

Does 51.77.46.142 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: 2026-09-20 11:10:57 UTC
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