IPDebrief

2001:8003:37a1:f300:91a9:ab9e:37bc:21cd

IP Intelligence Dossier
Your IP: 216.73.217.75

2001:8003:37a1:f300:91a9:ab9e:37bc:21cd is an IPv6 address announced by AS1221, with approximate network location Sydney, Australia. It belongs to a mobile network. As of November 3, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

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🌍 Geolocation

Country🇦🇺 Australia
Location scopeApproximate network location. Distributed and anycast services can vary by observation point.
Anycast classificationUnverified (not proof of unicast)
RegionNSW
CitySydney
TimezoneAustralia/Sydney
Latitude-33.87
Longitude150.95

🏢 Ownership & Registration

Registered holderTelstra Limited
ASNAS1221
Network NameTELSTRAINTERNET41-AU-20041202
CIDR Block—
RIRARIN
Network registration countryAU
Abuse ContactAvailable via RDAP

🌐 DNS Intelligence

PTR RecordNo PTR
Forward ConfirmedNo — PTR hostname does not resolve back to this IP (weak signal)

DNS Posture

Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.

Not assessed: 0 conclusive IP DNS checks.

spfNot checked
dmarcNot checked
fcrDnsNot checked
dnssecNot checked
caaNot checked

☁️ Network Classification

InfrastructureMobile
Service PurposeFirewalled / No Services
Network TierUnknown — Insufficient routing data to classify
Mobile

🔌 Services & Open Ports

PortServiceProtocolBanner
No open ports detected
Server—
HTTP Title—

🔐 TLS Certificate

🔒
No certificate captured; current certificate unknown
Issued by —
N/A
SANsNone
Valid From—
Valid Until—

🛡️ Public Network Snapshot

Origin ASNAS1221
Network Prefix2001:8000::/20
Route mappingFound

📅 Observation Timeline 🔄 Live

First Seen2026-11-01 16:08:40 UTC
Last Seen2026-11-03 15:18:13 UTC
Profile Built2026-11-03 22:36:50 UTC
Data FreshnessLive
Signal Types9
Total Observations9
🔍 9 signal types · 9 observations collected
This report is generated from 9+ 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 📧 Enterprise Access

❓ Frequently Asked Questions About 2001:8003:37a1:f300:91a9:ab9e:37bc:21cd

Who owns the IP address 2001:8003:37a1:f300:91a9:ab9e:37bc:21cd?

2001:8003:37a1:f300:91a9:ab9e:37bc:21cd is registered to Telstra Limited. Registration is held at ARIN.

Where is 2001:8003:37a1:f300:91a9:ab9e:37bc:21cd located?

Geolocation data places 2001:8003:37a1:f300:91a9:ab9e:37bc:21cd in Sydney, NSW, Australia. The local time zone is Australia/Sydney. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.

Is 2001:8003:37a1:f300:91a9:ab9e:37bc:21cd malicious or safe?

2001:8003:37a1:f300:91a9:ab9e:37bc:21cd 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.

Is 2001:8003:37a1:f300:91a9:ab9e:37bc:21cd a VPN, proxy, or data center address?

2001:8003:37a1:f300:91a9:ab9e:37bc:21cd is classified as a mobile network based on network ownership and behavioural analysis.

🏘️ Related IP Addresses

Browse related networks

All addresses in AS1221🇦🇺 AustraliaNetwork 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.