174.21.70.242
174.21.70.242 is an IPv4 address announced by AS209, with approximate network location Seattle, United States. It belongs to a residential connection with reverse DNS name 174-21-70-242.tukw.qwest.net. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | CenturyLink Communications, LLC |
| ASN | AS209 |
| Network Name | CENTURYLINK-LEGACY-QWEST-INET-127 |
| CIDR Block | 174.16.0.0/12 |
| RIR | ARIN |
| Network registration country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 174-21-70-242.tukw.qwest.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 174-21-70-242.tukw.qwest.net |
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 | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 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 | AS209 |
| Network Prefix | 174.21.0.0/16 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Stale
| First Seen | 2026-10-05 21:27:32 UTC |
| Last Seen | 2026-10-08 07:55:22 UTC |
| Profile Built | 2026-11-12 13:22:06 UTC |
| Data Freshness | Stale |
| Signal Types | 16 |
| Total Observations | 16 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 174.21.70.242
Who owns the IP address 174.21.70.242?
174.21.70.242 is registered to CenturyLink Communications, LLC. The address falls within the 174.16.0.0/12 network block. Registration is held at ARIN.
Where is 174.21.70.242 located?
Geolocation data places 174.21.70.242 in Seattle, WA, United States. The local time zone is America/Los_Angeles. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 174.21.70.242 malicious or safe?
174.21.70.242 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 174.21.70.242?
The reverse DNS (PTR) record for 174.21.70.242 is 174-21-70-242.tukw.qwest.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 174.21.70.242 a VPN, proxy, or data center address?
174.21.70.242 is classified as a residential network based on network ownership and behavioural analysis.