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IPv4 Address

51.81.0.172

OVH SAS AS16276 · OVH SAS United States RIPE 🛡️ Proxy/VPN (likely) 🖥️ Hosting/DC
Within
51.81.0.0/16
CIDR
/26 · 64 IPs
ASN
OVH SAS
Reverse DNS
southtampataekwondo.com
Last scanned 19 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.

69/100
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)
southtampataekwondo.com
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
86400 s
Reverse DNS last checked
2026-07-18 06:49 UTC
Forward DNS last checked
2026-07-18 06:49 UTC

Forward DNS records for southtampataekwondo.com

TypeValuePriorityTTL
A 104.21.59.35 172800s
A 172.67.211.242 172800s
AAAA 2606:4700:3030::6815:3b23 172800s
AAAA 2606:4700:3030::ac43:d3f2 172800s
AAAA 2606:4700:3032::6815:3b23 172800s
AAAA 2606:4700:3036::ac43:d3f2 172800s
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 ainsley.ns.cloudflare.com
NS west.ns.cloudflare.com
TXT facebook-domain-verification=dt7sa0qkrnxdmcdvdwpuxwu5z0x0d4
TXT google-site-verification=xj51qGdjyjV_entkGKgk3_Lv9rCN-EDOfRRyJT203KU
TXT v=DMARC1; p=none;
TXT v=DMARC1; p=none; sp=none; rf=afrf; pct=100; ri=86400 rua=mailto:dmarc@southtampataekwondo.com;
TXT v=spf1 ip4:15.204.143.125 +a +mx +ip4:147.135.6.139 +ip4:51.81.0.172 +ip4:192.99.46.34 ~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 51.81.0.172

CIDR range
51.81.0.0/26
IP range (int)
860,946,432 — 860,946,495
Prefix length
/26
Organization
OVH SAS
ASN
AS16276
ASN name
OVH SAS
Location
United States
Coordinates
37.751000, -97.822000
Accuracy radius
1000 km
Regional Internet Registry
RIPE
Allocated
2019-03-11
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-07-06 18:19:07

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

Announced prefix
Origin AS
Announcement samples
27,114
Last seen
2026-07-19 02:04:50

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 51.81.0.172?

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

Where is 51.81.0.172 located?

The geolocation for 51.81.0.172 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 51.81.0.172 on?

51.81.0.172 belongs to the 51.81.0.0/26 network block announced by AS16276. This range contains 64 addresses.

Does 51.81.0.172 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: 2026-07-18 13:57:05 UTC
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