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CIDR
/24 · 256 IPs
ASN
British Telecommunications Limited
Reverse DNS
host31-53-171-231.range31-53.btcentralplus.com
Last scanned 2 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.

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)
host31-53-171-231.range31-53.btcentralplus.com
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
21600 s
Reverse DNS last checked
2026-07-22 13:55 UTC
Forward DNS last checked
2026-07-22 13:55 UTC

Forward DNS records for host31-53-171-231.range31-53.btcentralplus.com

TypeValuePriorityTTL
A 31.53.171.231 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 31.53.171.231

CIDR range
31.53.171.0/24
IP range (int)
523,610,880 — 523,611,135
Prefix length
/24
Organization
British Telecommunications PLC
ASN
AS2856
ASN name
British Telecommunications Limited
Location
Sunderland, England, United Kingdom
Coordinates
54.946300, -1.367200
Accuracy radius
5 km
Postal code
SR6
Regional Internet Registry
RIPE
Allocated
2010-12-31
Data source(s)
maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
Last updated
2026-07-21 04:04:28

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

Announced prefix
Origin AS
Announcement samples
5,133
Last seen
2026-07-22 21:53:01

Frequently Asked Questions

Who owns 31.53.171.231?

31.53.171.231 is allocated to British Telecommunications PLC (AS2856), registered in Sunderland, United Kingdom.

Where is 31.53.171.231 located?

The geolocation for 31.53.171.231 maps to Sunderland, United Kingdom 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 31.53.171.231 on?

31.53.171.231 belongs to the 31.53.171.0/24 network block announced by AS2856. This range contains 256 addresses.

Does 31.53.171.231 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: 2026-07-21 06:25:39 UTC
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