2603:8000:51f0:4450:fc07:c8bf:e2ef:bc4f
2603:8000:51f0:4450:fc07:c8bf:e2ef:bc4f is an IPv6 address announced by AS20001, with approximate network location Fontana, United States. It belongs to a residential connection with reverse DNS name syn-2603-8000-51f0-4450-fc07-c8bf-e2ef-bc4f.res6.spectrum.com. As of October 8, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Charter Communications Inc |
| ASN | AS20001 |
| Network Name | RRWE-IPV6 |
| CIDR Block | — |
| RIR | ARIN |
| Network registration country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | syn-2603-8000-51f0-4450-fc07-c8bf-e2ef-bc4f.res6.spectrum.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | syn-2603-8000-51f0-4450-fc07-c8bf-e2ef-bc4f.res6.spectrum.com |
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 | AS20001 |
| Network Prefix | 2603:8000::/28 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 0% | 0 | 0 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-11 10:11:50 UTC |
| Last Seen | 2026-10-08 10:12:42 UTC |
| Profile Built | 2026-10-08 10:13:16 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 22 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 2603:8000:51f0:4450:fc07:c8bf:e2ef:bc4f
Who owns the IP address 2603:8000:51f0:4450:fc07:c8bf:e2ef:bc4f?
2603:8000:51f0:4450:fc07:c8bf:e2ef:bc4f is registered to Charter Communications Inc. Registration is held at ARIN.
Where is 2603:8000:51f0:4450:fc07:c8bf:e2ef:bc4f located?
Geolocation data places 2603:8000:51f0:4450:fc07:c8bf:e2ef:bc4f in Fontana, CA, 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 2603:8000:51f0:4450:fc07:c8bf:e2ef:bc4f malicious or safe?
2603:8000:51f0:4450:fc07:c8bf:e2ef:bc4f 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 2603:8000:51f0:4450:fc07:c8bf:e2ef:bc4f?
The reverse DNS (PTR) record for 2603:8000:51f0:4450:fc07:c8bf:e2ef:bc4f is syn-2603-8000-51f0-4450-fc07-c8bf-e2ef-bc4f.res6.spectrum.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.
Is 2603:8000:51f0:4450:fc07:c8bf:e2ef:bc4f a VPN, proxy, or data center address?
2603:8000:51f0:4450:fc07:c8bf:e2ef:bc4f is classified as a residential network based on network ownership and behavioural analysis.