203.88.121.4
🏢 Ownership & Registration
| Organization | IRT-INT-MULTACOM |
| ASN | AS35916 |
| Network Name | INT-5GN-AU |
| CIDR Block | 203.88.112.0/20 |
| RIR | APNIC |
| Country | AU |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | baidu.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | baidu.com |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | 2/3 domains |
| DMARC | 2/3 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 3 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| 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 | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 91 days |
🛡️ Public Network Snapshot
| Origin ASN | AS35916 |
| Network Prefix | 203.88.120.0/21 |
| Route mapping | Found |
| HSTS | Enabled |
| CSP | Not detected |
| HTTP/2 | Enabled |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 0% | 0 | 0 |
| routing | 0% | 0 | 0 |
| services | 0% | 0 | 0 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 4% | 1 | 2 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-21 00:43:52 UTC |
| Last Seen | 2026-09-29 03:07:31 UTC |
| Profile Built | 2026-09-29 14:07:48 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 32 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 203.88.121.4
Who owns the IP address 203.88.121.4?
203.88.121.4 is registered to IRT-INT-MULTACOM. The address falls within the 203.88.112.0/20 network block. Registration is held at APNIC.
Where is 203.88.121.4 located?
Geolocation data places 203.88.121.4 in Los Angeles, California, Australia. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 203.88.121.4 malicious or safe?
203.88.121.4 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 203.88.121.4?
The reverse DNS (PTR) record for 203.88.121.4 is baidu.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.