37.63.16.11 is an IPv4 address operated by A1BG_MB - A1 Bulgaria EAD, BG (AS12716), with approximate network location Sofia, Bulgaria. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | AS13124-MNT |
| ASN | AS12716 |
| Network Name | A1-NGN-22 |
| CIDR Block | 37.63.16.0/22 |
| RIR | RIPE |
| Network registration country | BG |
| Routing operator | A1BG_MB - A1 Bulgaria EAD, 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 | Unknown / lookup inconclusive
|
| dmarc | Unknown / lookup inconclusive
|
| dnssec | Unknown / lookup inconclusive
11.16.63.37.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
No specific classification
🔍 11 signal types · 13 observations collected
This report is generated from 11+ 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 37.63.16.11
Who owns the IP address 37.63.16.11?
37.63.16.11 is registered to AS13124-MNT. The address falls within the 37.63.16.0/22 network block. Registration is held at RIPE.
Where is 37.63.16.11 located?
Geolocation data places 37.63.16.11 in Sofia, Sofia-Capital, 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 37.63.16.11 malicious or safe?
37.63.16.11 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.
