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CIDR
/20 · 4.1K IPs
ASN
Liberty Global Europe Holding B.V.
Reverse DNS
31-187-32-12.dynamic.upc.ie
Last scanned 5 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.

86/100
Trusted
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)
31-187-32-12.dynamic.upc.ie
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
86400 s
Reverse DNS last checked
2026-07-23 02:40 UTC
Forward DNS last checked
2026-07-23 02:40 UTC

Forward DNS records for 31-187-32-12.dynamic.upc.ie

TypeValuePriorityTTL
A 31.187.32.12 172800s
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 31.187.32.12

CIDR range
31.187.32.0/20
IP range (int)
532,357,120 — 532,361,215
Prefix length
/20
Organization
Liberty Global Europe Holding B.V.
ASN
AS6830
ASN name
Liberty Global Europe Holding B.V.
Location
Dublin, Leinster, Ireland
Coordinates
53.340200, -6.271200
Accuracy radius
10 km
Postal code
D16
Regional Internet Registry
RIPE
Allocated
2011-03-24
Data source(s)
maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
Last updated
2026-07-21 04:04:29

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

Announced prefix
Origin AS
Announcement samples
4,211
Last seen
2026-07-23 06:29:40

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 Country Change IE PL

See the full history for 31.187.0.0/18.

Frequently Asked Questions

Who owns 31.187.32.12?

31.187.32.12 is allocated to Liberty Global Europe Holding B.V. (AS6830), registered in Dublin, Ireland.

Where is 31.187.32.12 located?

The geolocation for 31.187.32.12 maps to Dublin, Ireland 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 31.187.32.12 on?

31.187.32.12 belongs to the 31.187.32.0/20 network block announced by AS6830. This range contains 4,096 addresses.

Does 31.187.32.12 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: 2026-07-23 07:50:50 UTC
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