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CIDR
/24 · 256 IPs
ASN
GSL Networks Pty LTD
Reverse DNS
No PTR record
Blocklisted
Checking…
Scanning blocklists

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network Allocation for 103.1.213.21

CIDR range
103.1.213.0/24
IP range (int)
1,728,173,312 — 1,728,173,567
Prefix length
/24
Organization
GSL Networks Pty LTD
ASN
AS137409
ASN name
GSL Networks Pty LTD
Location
Sydney, New South Wales, Australia
Coordinates
-33.867200, 151.199700
Accuracy radius
20 km
Postal code
2000
Regional Internet Registry
APNIC
Allocated
2011-04-19
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-07-11 09:22:47

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
32,763
Last seen
2026-07-19 19:39:29

Frequently Asked Questions

Who owns 103.1.213.21?

103.1.213.21 is allocated to GSL Networks Pty LTD (AS137409), registered in Sydney, Australia.

Where is 103.1.213.21 located?

The geolocation for 103.1.213.21 maps to Sydney, Australia based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 103.1.213.21 on?

103.1.213.21 belongs to the 103.1.213.0/24 network block announced by AS137409. This range contains 256 addresses.

Does 103.1.213.21 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-07-19 20:21:11 UTC
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