168.100.149.99
168.100.149.99 is an IPv4 address operated by Ahrefs Pte Ltd administrator (AS140577), geolocated to Ashburn, Singapore. Its reverse DNS name is proxy-us001-san49.ahrefs.net. As of October 14, 2026, IPDebrief rates it Moderate Risk (50/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | Ahrefs Pte Ltd administrator |
| ASN | AS140577 |
| Network Name | AHREFS-US |
| CIDR Block | 168.100.144.0/20 |
| RIR | ARIN |
| Country | US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | proxy-us001-san49.ahrefs.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | proxy-us001-san49.ahrefs.net |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | 0/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Present |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | AS140577 |
| Network Prefix | 168.100.144.0/20 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 12% | 2 | 2 |
| routing | 8% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 17% | 2 | 3 |
| reputation | 8% | 1 | 2 |
| geolocation | 12% | 2 | 2 |
| Overall | 11% | 9 | 11 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-05 23:58:01 UTC |
| Last Seen | 2026-10-15 02:50:57 UTC |
| Profile Built | 2026-10-14 02:28:33 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 24 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 168.100.149.99
Who owns the IP address 168.100.149.99?
168.100.149.99 is registered to Ahrefs Pte Ltd administrator. The address falls within the 168.100.144.0/20 network block. Registration is held at ARIN.
Where is 168.100.149.99 located?
Geolocation data places 168.100.149.99 in Ashburn, Virginia, 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 168.100.149.99 malicious or safe?
168.100.149.99 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 168.100.149.99?
The reverse DNS (PTR) record for 168.100.149.99 is proxy-us001-san49.ahrefs.net. This hostname is forward-confirmed, meaning it resolves back to the same address.