103.103.100.56
103.103.100.56 is an IPv4 address announced by AS133738, with approximate network location Bangladesh. As of November 11, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Bangladesh Open University administrator |
| ASN | AS133738 |
| Network Name | BOU-BD |
| CIDR Block | 103.103.100.0/22 |
| RIR | APNIC |
| Network registration country | BD |
| 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.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | 2009-11-10T23:48:47+00:00 |
| Valid Until | 2019-11-08T23:48:47+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha1RSA |
| Validity Period | 3650 days |
🛡️ Public Network Snapshot
| Origin ASN | AS133738 |
| Network Prefix | 103.103.100.0/24 |
| Route mapping | Found |
| Certificates in transparency logs | 0 certificates |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Not detected |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 2 | 3 |
| routing | 8% | 1 | 1 |
| services | 17% | 2 | 3 |
| ownership | 17% | 2 | 3 |
| reputation | 8% | 1 | 2 |
| geolocation | 12% | 2 | 2 |
| Overall | 14% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Stale
| First Seen | 2026-07-18 17:41:33 UTC |
| Last Seen | 2026-10-07 05:41:31 UTC |
| Profile Built | 2026-11-11 22:37:23 UTC |
| Data Freshness | Stale |
| Signal Types | 17 |
| Total Observations | 18 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 103.103.100.56
Who owns the IP address 103.103.100.56?
103.103.100.56 is registered to Bangladesh Open University administrator. The address falls within the 103.103.100.0/22 network block. Registration is held at APNIC.
Where is 103.103.100.56 located?
Geolocation data places 103.103.100.56 in Bangladesh. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 103.103.100.56 malicious or safe?
103.103.100.56 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 103.103.100.56?
Responsive ports observed on 103.103.100.56 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.