Intelligence Briefing: 128.106.103.223
The IP address 128.106.103.223 was attributed to organization IRT-SINGNET-SG under ASN 9506. Geolocation data indicated Singapore, though conflicting sources reported the United States. The address operated within the Singtel mobile carrier network (MCC 525, MNC
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | IRT-SINGNET-SG |
| ASN | AS9506 |
| Network Name | SINGTEL-FIBRE-128-106-103-0 |
| CIDR Block | 128.106.103.0/24 |
| RIR | ARIN |
| Country | SG |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | bb128-106-103-223.singnet.com.sg |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | bb128-106-103-223.singnet.com.sg |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Mobile |
| 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 | AS9506 |
| Network Prefix | 128.106.64.0/18 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 2 | 5 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 20% | 2 | 4 |
| reputation | 16% | 1 | 3 |
| geolocation | 15% | 2 | 2 |
| Overall | 16% | 10 | 17 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-19 05:58:14 UTC |
| Last Seen | 2026-09-16 15:44:51 UTC |
| Profile Built | 2026-09-16 15:50:35 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 30 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 128.106.103.223
Who owns the IP address 128.106.103.223?
128.106.103.223 is registered to IRT-SINGNET-SG. The address falls within the 128.106.103.0/24 network block. Registration is held at ARIN.
Where is 128.106.103.223 located?
Geolocation data places 128.106.103.223 in Singapore. The local time zone is Asia/Singapore. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 128.106.103.223 malicious or safe?
128.106.103.223 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 is the hostname for 128.106.103.223?
The reverse DNS (PTR) record for 128.106.103.223 is bb128-106-103-223.singnet.com.sg. This hostname is not forward-confirmed, so it should be treated as a weak signal.
Is 128.106.103.223 a VPN, proxy, or data center address?
128.106.103.223 is classified as a mobile network based on network ownership and behavioural analysis.