IPDebrief

172.221.189.135

IP Intelligence Dossier
Your IP: 216.73.216.157
{ } JSON 🔧 Full Actions API

🌍 Geolocation

Country🇺🇸 United States
RegionMO
CitySt Louis
TimezoneAmerica/Chicago
Latitude38.75
Longitude-90.21

🏢 Ownership & Registration

OrganizationCharter Communications LLC
ASNAS20115
Network NameCHARTER-NET-BHN2
CIDR Block172.220.0.0/14
RIRARIN
CountryUnited States
Abuse ContactAvailable via RDAP

🌐 DNS Intelligence

PTRsyn-172-221-189-135.res.spectrum.com
Forward ConfirmedNo — PTR hostname does not resolve back to this IP (weak signal)
Forward Hostnamessyn-172-221-189-135.res.spectrum.com

🔐 DNS Hygiene

Hygiene Score40% (Fair)
SPFPresent
DMARCPresent
FCrDNSNot verified
DNSSECNot signed
CAANot configured

☁️ Network Classification

InfrastructureResidential
Service PurposeResidential Endpoint
Network TierEnd-User — Residential ISP endpoint
Residential

🔌 Services & Open Ports

PortServiceProtocolBanner
No open ports detected
Closed Ports22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned)
Server—
HTTP Title—

🔐 TLS Certificate

🔒
No certificate
Issued by —
N/A
SANsNone
Valid From—
Valid Until—

🛡️ Public Network Snapshot

Origin ASNAS20115
Network Prefix172.221.128.0/17
Route mappingFound

📅 Observation Timeline 🔄 Live

First Seen2026-10-05 13:56:48 UTC
Last Seen2026-10-05 13:56:48 UTC
Profile Built2026-10-05 14:03:59 UTC
Data FreshnessLive
Signal Types14
Total Observations14
🔍 14 signal types · 14 observations collected
This report is generated from 14+ independent intelligence signals including ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds, behavioral fingerprinting, and more.
Full dossier details are available via our API.
{ } JSON API 🔧 Actions API 📧 Enterprise Access

❓ Frequently Asked Questions About 172.221.189.135

Who owns the IP address 172.221.189.135?

172.221.189.135 is registered to Charter Communications LLC. The address falls within the 172.220.0.0/14 network block. Registration is held at ARIN.

Where is 172.221.189.135 located?

Geolocation data places 172.221.189.135 in St Louis, MO, United States. The local time zone is America/Chicago. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.

Is 172.221.189.135 malicious or safe?

172.221.189.135 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 172.221.189.135?

The reverse DNS (PTR) record for 172.221.189.135 is syn-172-221-189-135.res.spectrum.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.

Is 172.221.189.135 a VPN, proxy, or data center address?

172.221.189.135 is classified as a residential network based on network ownership and behavioural analysis.

🏘️ Related IP Addresses

Browse related networks

All addresses in AS20115🇺🇸 United StatesNetwork directory

ℹ️ About This Report

All data shown is publicly available network metadata — IP addresses do not reliably identify individuals. Assessments are probabilistic and should not be used as sole basis for access control decisions. To report an issue or request data review, contact admin@ipdebrief.com.