IPDebrief

173.40.87.144

IP Intelligence Dossier
Your IP: 216.73.216.157
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🌍 Geolocation

Country🇺🇸 United States
RegionCA
CityPasadena
TimezoneAmerica/Los_Angeles
Latitude34.16
Longitude-118.15

🏢 Ownership & Registration

OrganizationCharter Communications Inc
ASNAS20115
Network NameRRHL
CIDR Block173.40.0.0/14
RIRARIN
CountryUnited States
Abuse ContactAvailable via RDAP

🌐 DNS Intelligence

PTRsyn-173-040-087-144.res.spectrum.com
Forward ConfirmedNo — PTR hostname does not resolve back to this IP (weak signal)
Forward Hostnamessyn-173-040-087-144.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 Prefix173.40.64.0/19
Route mappingFound

📅 Observation Timeline 🔄 Live

First Seen2026-10-05 10:11:20 UTC
Last Seen2026-10-05 10:11:20 UTC
Profile Built2026-10-05 10:16:00 UTC
Data FreshnessLive
Signal Types15
Total Observations15
🔍 15 signal types · 15 observations collected
This report is generated from 15+ 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.
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❓ Frequently Asked Questions About 173.40.87.144

Who owns the IP address 173.40.87.144?

173.40.87.144 is registered to Charter Communications Inc. The address falls within the 173.40.0.0/14 network block. Registration is held at ARIN.

Where is 173.40.87.144 located?

Geolocation data places 173.40.87.144 in Pasadena, CA, United States. The local time zone is America/Los_Angeles. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.

Is 173.40.87.144 malicious or safe?

173.40.87.144 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 173.40.87.144?

The reverse DNS (PTR) record for 173.40.87.144 is syn-173-040-087-144.res.spectrum.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.

Is 173.40.87.144 a VPN, proxy, or data center address?

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

🏘️ Related IP Addresses

Nearby addresses in 173.40.0.0/14

173.40.87.139

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.