# 173.40.231.0 — IP Intelligence Summary

173.40.231.0 is an IPv4 address operated by CHARTER-20115 - Charter Communications LLC, US (AS20115), with approximate network location New York, United States. It belongs to a residential connection with reverse DNS name syn-173-040-231-000.res.spectrum.com. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/173.40.231.0
- Last updated: 2026-11-13

## Ownership

- Organization: Charter Communications Inc
- Network name: RRHL
- Allocated block: 173.40.0.0/14
- ASN: AS20115 (https://ipdebrief.com/asn/20115)
- Regional registry: ARIN
- Registered holder: Charter Communications Inc
- Routing operator: CHARTER-20115 - Charter Communications LLC, US
- Network registration country: —
- Registrant address country: United States

## Location

- City: New York
- Region: US-NY
- Country: United States
- Time zone: America/New_York

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

## Network classification

- Infrastructure type: Residential
- Datacenter / hosting: no
- Residential: yes
- 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-173-040-231-000.res.spectrum.com
- Forward-confirmed: no

## DNS posture

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

- caa: Not found at queried name (com)
- spf: Unknown / lookup inconclusive (syn-173-040-231-000.res.spectrum.com)
- dmarc: Unknown / lookup inconclusive (_dmarc.syn-173-040-231-000.res.spectrum.com)
- dnssec: Unknown / lookup inconclusive (0.231.40.173.in-addr.arpa)
- fcrDns: Unknown / lookup inconclusive (syn-173-040-231-000.res.spectrum.com)

- TLS probe 443 at 173.40.231.0: Certificate not captured; current certificate unknown (unreachable)
- TLS probe 8443 at 173.40.231.0: Certificate not captured; current certificate unknown (unreachable)
## Nearby addresses

- 173.40.231.103 (https://ipdebrief.com/173.40.231.103)
- 173.40.231.110 (https://ipdebrief.com/173.40.231.110)
- 173.40.231.247 (https://ipdebrief.com/173.40.231.247)

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Source: IPDebrief, "173.40.231.0 IP intelligence", https://ipdebrief.com/173.40.231.0, updated 2026-11-13. Assessments are probabilistic.