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CIDR
/21 · 2.0K IPs
ASN
Network Technology (AUST) P/L
Reverse DNS
csqtc1.cust.onthenet.net
Last scanned 47 days ago
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.

86/100
Trusted
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
csqtc1.cust.onthenet.net
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
604800 s
Reverse DNS last checked
2026-07-08 07:50 UTC
Forward DNS last checked
2026-07-08 07:50 UTC

Forward DNS records for csqtc1.cust.onthenet.net

TypeValuePriorityTTL
A 121.50.210.50 172800s
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Network Allocation for 121.50.210.50

CIDR range
121.50.208.0/21
IP range (int)
2,033,373,184 — 2,033,375,231
Prefix length
/21
Organization
Network Technology AUST PL
ASN
AS9313
ASN name
Network Technology (AUST) P/L
Location
Brisbane, Queensland, Australia
Coordinates
-27.747200, 153.136300
Accuracy radius
5 km
Postal code
4207
Regional Internet Registry
APNIC
Allocated
2006-06-28
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-08-24 05:23:49

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

Announced prefix
Origin AS
Announcement samples
19,568
Last seen
2026-08-24 21:56:08

Frequently Asked Questions

Who owns 121.50.210.50?

121.50.210.50 is allocated to Network Technology AUST PL (AS9313), registered in Brisbane, Australia.

Where is 121.50.210.50 located?

The geolocation for 121.50.210.50 maps to Brisbane, 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 121.50.210.50 on?

121.50.210.50 belongs to the 121.50.208.0/21 network block announced by AS9313. This range contains 2,048 addresses.

Does 121.50.210.50 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: 2026-08-24 14:13:18 UTC
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