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CIDR
/23 · 512 IPs
ASN
Telstra Limited
Reverse DNS
n5711919r.lnk.telstra.net
Last scanned 3 hr 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.

81/100
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)
n5711919r.lnk.telstra.net
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-08-23 17:10 UTC

Forward DNS records for n5711919r.lnk.telstra.net

TypeValuePriorityTTL
A 101.187.183.127 86400s
A 101.187.183.128 86400s
A 101.187.183.130 86400s
A 101.187.183.18 86400s
A 101.187.183.198 86400s
A 101.187.183.234 86400s
A 101.187.183.62 86400s
A 101.187.184.57 86400s
A 101.187.184.58 86400s
A 101.187.184.6 86400s
A 101.187.184.7 86400s
A 101.187.21.159 86400s
A 101.187.30.198 86400s
A 101.187.31.175 86400s
A 101.187.33.177 86400s
A 101.187.33.179 86400s
A 101.187.33.180 86400s
A 101.187.33.181 86400s
A 101.187.33.182 86400s
A 101.187.33.189 86400s
A 110.143.106.198 86400s
A 110.143.108.25 86400s
A 110.143.204.200 86400s
A 110.143.48.221 86400s
A 110.143.51.251 86400s
A 110.143.82.77 86400s
A 120.150.112.117 86400s
A 120.150.122.237 86400s
A 120.150.70.242 86400s
A 120.151.196.136 86400s
A 120.151.225.171 86400s
A 139.130.180.171 86400s
A 139.130.92.204 86400s
A 149.135.108.196 86400s
A 149.135.108.235 86400s
A 149.135.122.102 86400s
A 203.45.200.58 86400s
A 203.45.224.3 86400s
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 203.45.224.3

CIDR range
203.45.224.0/23
IP range (int)
3,408,781,312 — 3,408,781,823
Prefix length
/23
Organization
Telstra Limited
ASN
AS1221
ASN name
Telstra Limited
Location
Melbourne, Victoria, Australia
Coordinates
-37.815900, 144.966900
Accuracy radius
20 km
Postal code
3000
Regional Internet Registry
APNIC
Allocated
1994-09-02
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-08-23 05:26:27

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

Announced prefix
Origin AS
Announcement samples
16,956
Last seen
2026-08-23 20:01:54

Frequently Asked Questions

Who owns 203.45.224.3?

203.45.224.3 is allocated to Telstra Limited (AS1221), registered in Melbourne, Australia.

Where is 203.45.224.3 located?

The geolocation for 203.45.224.3 maps to Melbourne, 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 203.45.224.3 on?

203.45.224.3 belongs to the 203.45.224.0/23 network block announced by AS1221. This range contains 512 addresses.

Does 203.45.224.3 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: 2026-08-23 20:28:35 UTC
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