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IPv4 Address

51.81.44.116

Within
51.81.0.0/16
CIDR
/23 · 512 IPs
ASN
OVH SAS
Reverse DNS
protects.ddns.net
Last scanned 1 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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
protects.ddns.net
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
86400 s
Reverse DNS last checked
2026-09-17 14:29 UTC

Forward DNS records for protects.ddns.net

TypeValuePriorityTTL
A 103.149.86.182 60s
A 103.149.86.183 1800s
A 103.35.72.178 60s
A 103.91.67.216 1800s
A 104.255.154.80 1800s
A 108.163.159.50 1800s
A 109.75.164.84 1800s
A 141.98.51.12 60s
A 143.20.166.218 1800s
A 144.168.44.116 1800s
A 145.239.2.227 60s
A 159.253.44.204 1800s
A 163.172.122.114 1800s
A 172.245.215.155 1800s
A 172.245.215.157 1800s
A 172.245.32.4 1800s
A 172.96.13.46 1800s
A 172.96.13.58 1800s
A 173.234.121.222 60s
A 178.162.227.110 1800s
A 184.107.3.220 1800s
A 184.107.4.46 1800s
A 184.107.48.129 1800s
A 185.106.20.190 1800s
A 185.157.217.160 60s
A 185.170.208.122 1800s
A 185.33.53.201 1800s
A 185.86.79.194 1800s
A 185.86.79.198 1800s
A 192.3.105.251 1800s
A 192.3.92.147 1800s
A 193.111.125.114 1800s
A 194.62.55.119 60s
A 195.96.138.219 60s
A 209.141.32.98 1800s
A 212.32.231.80 1800s
A 212.83.144.175 1800s
A 212.83.154.197 1800s
A 213.202.211.13 1800s
A 213.227.150.176 1800s
A 213.246.45.16 1800s
A 216.98.144.70 1800s
A 23.111.191.124 60s
A 23.83.37.138 1800s
A 27.102.128.33 60s
A 37.97.201.184 1800s
A 38.49.209.3 1800s
A 46.20.35.119 1800s
A 46.36.201.122 1800s
A 46.37.124.168 1800s
A 5.175.234.136 1800s
A 5.175.234.83 1800s
A 5.180.81.145 1800s
A 5.199.133.18 1800s
A 51.195.134.42 1800s
A 51.195.36.151 1800s
A 51.222.234.208 1800s
A 51.222.234.210 1800s
A 51.222.71.61 1800s
A 51.81.174.151 1800s
A 51.81.24.153 1800s
A 51.81.44.116 1800s
A 51.89.187.80 1800s
A 51.89.212.116 1800s
A 51.89.93.16 1800s
A 54.38.220.227 1800s
A 54.38.220.238 1800s
A 54.39.24.60 60s
A 57.128.139.201 1800s
A 64.120.96.84 1800s
A 64.15.138.144 1800s
A 64.235.41.207 1800s
A 66.63.188.73 1800s
A 78.129.237.112 1800s
A 81.7.10.36 60s
A 81.7.14.9 1800s
A 81.7.3.139 1800s
A 81.7.5.18 1800s
A 81.7.7.28 1800s
A 81.7.9.23 1800s
A 84.234.96.193 1800s
A 85.121.126.76 1800s
A 94.75.216.1 1800s
A 95.168.175.247 1800s
A 95.173.164.11 1800s
A 95.211.180.229 1800s
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 51.81.44.116

CIDR range
51.81.44.0/23
IP range (int)
860,957,696 — 860,958,207
Prefix length
/23
Organization
OVH SAS
ASN
AS16276
ASN name
OVH SAS
Location
United States
Coordinates
37.751000, -97.822000
Accuracy radius
1000 km
Regional Internet Registry
ARIN
Allocated
2019-03-11
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-08-09 13:24:05

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

Announced prefix
Origin AS
Announcement samples
239,620
Last seen
2026-09-18 16:09:49

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 51.81.44.116?

51.81.44.116 is allocated to OVH SAS (AS16276), registered in United States.

Where is 51.81.44.116 located?

The geolocation for 51.81.44.116 maps to 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 51.81.44.116 on?

51.81.44.116 belongs to the 51.81.44.0/23 network block announced by AS16276. This range contains 512 addresses.

Does 51.81.44.116 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: 2026-09-18 11:22:14 UTC
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