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CIDR
/23 · 512 IPs
ASN
GTT Communications Inc.
Reverse DNS
85-189-134-48.optix.managedbroadband.co.uk
Last scanned 11 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)
85-189-134-48.optix.managedbroadband.co.uk
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
3600 s
Reverse DNS last checked
2026-09-10 07:29 UTC
Forward DNS last checked
2026-09-10 07:29 UTC
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 85.189.134.48

CIDR range
85.189.134.0/23
IP range (int)
1,438,483,968 — 1,438,484,479
Prefix length
/23
Organization
GTT Communications Inc.
ASN
AS3257
ASN name
GTT Communications Inc.
Location
Worcester Park, England, United Kingdom
Coordinates
51.496400, -0.122400
Accuracy radius
200 km
Postal code
KT4
Regional Internet Registry
RIPE
Allocated
2004-12-07
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-09-02 05:23:11

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

Announced prefix
Origin AS
Announcement samples
5,774
Last seen
2026-09-10 18:08:18

Frequently Asked Questions

Who owns 85.189.134.48?

85.189.134.48 is allocated to GTT Communications Inc. (AS3257), registered in Worcester Park, United Kingdom.

Where is 85.189.134.48 located?

The geolocation for 85.189.134.48 maps to Worcester Park, 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 85.189.134.48 on?

85.189.134.48 belongs to the 85.189.134.0/23 network block announced by AS3257. This range contains 512 addresses.

Does 85.189.134.48 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: 2026-09-10 19:22:07 UTC
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