40.99.10.18
40.99.10.18 is an IPv4 address operated by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US (AS8075), with approximate network location Singapore, Singapore. It belongs to datacenter or hosting infrastructure. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Microsoft Corporation |
| ASN | AS8075 |
| Network Name | MSFT |
| CIDR Block | 40.74.0.0/15 |
| RIR | ARIN |
| Network registration country | United States |
| Routing operator | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US |
| 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 18.10.99.40.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS8075 |
| Network Prefix | 40.96.0.0/13 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-30 12:29:53 UTC |
| Last Seen | 2026-11-06 20:34:33 UTC |
| Profile Built | 2026-11-13 10:26:38 UTC |
| Data Freshness | Live |
| Signal Types | 11 |
| Total Observations | 14 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 40.99.10.18
Who owns the IP address 40.99.10.18?
40.99.10.18 is registered to Microsoft Corporation. The address falls within the 40.74.0.0/15 network block. Registration is held at ARIN.
Where is 40.99.10.18 located?
Geolocation data places 40.99.10.18 in Singapore. The local time zone is Asia/Singapore. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 40.99.10.18 malicious or safe?
40.99.10.18 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.
Is 40.99.10.18 a VPN, proxy, or data center address?
40.99.10.18 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.