# 2603:8000:5500:4:4011:4e53:c0f8:5170 — IP Intelligence Summary

2603:8000:5500:4:4011:4e53:c0f8:5170 is an IPv6 address announced by AS20001, with approximate network location Fontana, United States. Its reverse DNS name is syn-2603-8000-5500-0004-4011-4e53-c0f8-5170.res6.spectrum.com. As of October 10, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/2603:8000:5500:4:4011:4e53:c0f8:5170
- Last updated: 2026-10-10

## Ownership

- Organization: Charter Communications Inc
- Network name: RRWE-IPV6
- Allocated block: —
- ASN: AS20001 (https://ipdebrief.com/asn/20001)
- Regional registry: ARIN
- Registered holder: Charter Communications Inc
- Routing operator: —
- Network registration country: United States
- Registrant address country: —

## Location

- City: Fontana
- Region: CA
- Country: United States
- Time zone: America/Los_Angeles

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (0/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- syn-2603-8000-5500-0004-4011-4e53-c0f8-5170.res6.spectrum.com
- Forward-confirmed: no

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- spf: Not checked
- dmarc: Not checked
- fcrDns: Not checked
- dnssec: Not checked
- caa: Not checked

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Source: IPDebrief, "2603:8000:5500:4:4011:4e53:c0f8:5170 IP intelligence", https://ipdebrief.com/2603:8000:5500:4:4011:4e53:c0f8:5170, updated 2026-10-10. Assessments are probabilistic.