77.243.19.207
77.243.19.207 is an IPv4 address operated by A1SERBIA-AS - A1SERBIA-AS, RS (AS44143), with approximate network location Belgrade, Serbia. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | A1 Serbia IP Admins |
| ASN | AS44143 |
| Network Name | A1_Serbia |
| CIDR Block | 77.243.16.0/21 |
| RIR | RIPE |
| Network registration country | RS |
| Routing operator | A1SERBIA-AS - A1SERBIA-AS, RS |
| 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 | Unknown / lookup inconclusive a1.rs |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive 207.19.243.77.in-addr.arpa |
| fcrDns | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS44143 |
| Network Prefix | 77.243.16.0/20 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-11-06 19:16:47 UTC |
| Last Seen | 2026-11-08 20:33:19 UTC |
| Profile Built | 2026-11-13 09:48:44 UTC |
| Data Freshness | Recent |
| Signal Types | 14 |
| Total Observations | 14 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 77.243.19.207
Who owns the IP address 77.243.19.207?
77.243.19.207 is registered to A1 Serbia IP Admins. The address falls within the 77.243.16.0/21 network block. Registration is held at RIPE.
Where is 77.243.19.207 located?
Geolocation data places 77.243.19.207 in Belgrade, Belgrade, Serbia. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 77.243.19.207 malicious or safe?
77.243.19.207 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.