87.121.77.3 is an IPv4 address operated by Iradeum-AS - _Iradeum Trading_ Ltd., BG (AS60784), with approximate network location Sliven, Bulgaria. As of November 15, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | MNT-NETERRA |
| ASN | AS60784 |
| Network Name | NETERRA-IRADEUM-NET |
| CIDR Block | 87.121.76.0/23 |
| RIR | RIPE |
| Network registration country | BG |
| Routing operator | Iradeum-AS - _Iradeum Trading_ Ltd., BG |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP.
DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| caa | Not applicable
|
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive
3.77.121.87.in-addr.arpa |
| fcrDns | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Unknown — Insufficient routing data to classify |
No specific classification
🔍 16 signal types · 19 observations collected
This report is generated from 16+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
❓ Frequently Asked Questions About 87.121.77.3
Who owns the IP address 87.121.77.3?
87.121.77.3 is registered to MNT-NETERRA. The address falls within the 87.121.76.0/23 network block. Registration is held at RIPE.
Where is 87.121.77.3 located?
Geolocation data places 87.121.77.3 in Sliven, Sliven, Bulgaria. The local time zone is Europe/Sofia. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 87.121.77.3 malicious or safe?
87.121.77.3 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What ports are open on 87.121.77.3?
Responsive ports observed on 87.121.77.3 include 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
