# 2603:8081:4c01:efa7:2de0:fb44:81f2:35cf — IP Intelligence Summary

2603:8081:4c01:efa7:2de0:fb44:81f2:35cf is an IPv6 address announced by AS11427, with approximate network location San Antonio, United States. Its reverse DNS name is syn-2603-8081-4c01-efa7-2de0-fb44-81f2-35cf.res6.spectrum.com. As of October 4, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/2603:8081:4c01:efa7:2de0:fb44:81f2:35cf
- Last updated: 2026-10-04

## Ownership

- Organization: Charter Communications Inc
- Network name: RRWE-IPV6
- Allocated block: —
- ASN: AS11427 (https://ipdebrief.com/asn/11427)
- Regional registry: ARIN
- Registered holder: Charter Communications Inc
- Routing operator: —
- Network registration country: United States
- Registrant address country: —

## Location

- City: San Antonio
- Region: Texas
- Country: United States
- Time zone: —

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-2603-8081-4c01-efa7-2de0-fb44-81f2-35cf.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

---

Source: IPDebrief, "2603:8081:4c01:efa7:2de0:fb44:81f2:35cf IP intelligence", https://ipdebrief.com/2603:8081:4c01:efa7:2de0:fb44:81f2:35cf, updated 2026-10-04. Assessments are probabilistic.