IPDebrief

216.9.17.121

IP Intelligence Dossier
Your IP: 216.73.217.59
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🌍 Geolocation

Country🇺🇸 United States
RegionCA
CityFullerton
TimezoneAmerica/Los_Angeles
Latitude33.88
Longitude-117.96

🏢 Ownership & Registration

OrganizationGigabitNow Fullerton, LLC
ASNAS18530
Network NameGBN-FULLERTON4-01
CIDR Block216.9.16.0/21
RIRARIN
CountryUnited States
Abuse Contact—

🌐 DNS Intelligence

PTRhost-17-121.lax.gigabitnow.com
Forward ConfirmedNo — PTR hostname does not resolve back to this IP (weak signal)
Forward Hostnameshost-17-121.lax.gigabitnow.com

🔐 DNS Hygiene

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

☁️ Network Classification

InfrastructureUnknown
Service PurposeFirewalled / No Services
Network TierUnknown — Insufficient routing data to classify
No specific classification

🔌 Services & Open Ports

PortServiceProtocolBanner
No open ports detected
Server—
HTTP Title—

🔐 TLS Certificate

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

🛡️ Public Network Snapshot

Origin ASNAS18530
Network Prefix216.9.16.0/21
Route mappingFound

📅 Observation Timeline 🔄 Live

First Seen2026-10-07 13:28:35 UTC
Last Seen2026-10-07 13:28:35 UTC
Profile Built2026-10-07 13:34:28 UTC
Data FreshnessLive
Signal Types10
Total Observations10
🔍 10 signal types · 10 observations collected
This report is generated from 10+ 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 216.9.17.121

Who owns the IP address 216.9.17.121?

216.9.17.121 is registered to GigabitNow Fullerton, LLC. The address falls within the 216.9.16.0/21 network block. Registration is held at ARIN.

Where is 216.9.17.121 located?

Geolocation data places 216.9.17.121 in Fullerton, 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 216.9.17.121 malicious or safe?

216.9.17.121 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 216.9.17.121?

The reverse DNS (PTR) record for 216.9.17.121 is host-17-121.lax.gigabitnow.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.

🏘️ Related IP Addresses

Browse related networks

All addresses in AS18530🇺🇸 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.