Skip to main content
CIDR
/22 · 1.0K IPs
ASN
Optical Structural Network Ltd.
Reverse DNS
No PTR record
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.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network Allocation for 109.121.178.94

CIDR range
109.121.176.0/22
IP range (int)
1,836,691,456 — 1,836,692,479
Prefix length
/22
Organization
Optical Structural Network Ltd.
ASN
AS39246
ASN name
Optical Structural Network Ltd.
Location
Sofia, Sofia Capital, Bulgaria
Coordinates
42.682600, 23.322300
Accuracy radius
5 km
Postal code
1000
Regional Internet Registry
RIPE
Allocated
2009-09-24
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-21 04:08:19

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

Announced prefix
Origin AS
Announcement samples
11,936
Last seen
2026-07-24 17:11:38

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 New Allocation BG

See the full history for 109.121.176.0/20.

Frequently Asked Questions

Who owns 109.121.178.94?

109.121.178.94 is allocated to Optical Structural Network Ltd. (AS39246), registered in Sofia, Bulgaria.

Where is 109.121.178.94 located?

The geolocation for 109.121.178.94 maps to Sofia, Bulgaria 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 109.121.178.94 on?

109.121.178.94 belongs to the 109.121.176.0/22 network block announced by AS39246. This range contains 1,024 addresses.

Does 109.121.178.94 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: 2026-07-24 19:39:12 UTC
Share