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CIDR
/20 · 4.1K IPs
ASN
Telstra Limited
Reverse DNS
tad1801924.lnk.telstra.net
Last scanned 42 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.

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)
tad1801924.lnk.telstra.net
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
86400 s
Reverse DNS last checked
2026-07-11 13:16 UTC
Forward DNS last checked
2026-07-11 13:16 UTC

Forward DNS records for tad1801924.lnk.telstra.net

TypeValuePriorityTTL
A 101.187.2.241 170849s
A 101.187.254.130 170849s
A 101.187.53.210 170849s
A 101.187.68.253 21600s
A 101.187.72.233 170849s
A 110.142.140.15 172800s
A 110.142.218.170 172800s
A 110.142.25.191 170849s
A 110.142.27.162 172800s
A 110.142.30.47 172800s
A 110.142.82.216 172800s
A 110.142.94.12 21600s
A 110.143.127.240 172800s
A 110.143.150.146 172800s
A 110.143.181.68 21600s
A 110.143.196.49 21600s
A 110.143.196.72 172800s
A 110.143.197.142 170774s
A 110.143.2.126 172800s
A 110.143.226.164 170774s
A 110.143.226.177 170774s
A 110.143.227.12 21600s
A 110.143.227.22 21600s
A 110.143.228.151 170774s
A 110.143.229.123 21600s
A 110.143.249.133 21600s
A 110.143.34.192 172800s
A 110.143.35.159 172800s
A 110.143.35.34 21600s
A 110.143.4.157 21600s
A 110.143.7.151 172800s
A 110.143.92.191 21600s
A 110.143.93.105 172800s
A 110.143.93.121 172800s
A 120.150.128.42 170774s
A 120.150.132.242 21600s
A 120.150.141.119 21600s
A 120.150.149.45 21600s
A 120.150.154.34 170774s
A 120.150.158.40 170774s
A 120.150.162.131 170774s
A 120.150.163.228 21600s
A 120.150.177.70 172285s
A 120.150.193.205 172285s
A 120.150.207.34 21600s
A 120.150.227.162 172285s
A 120.150.239.154 21600s
A 120.151.179.58 21600s
A 120.151.204.178 172697s
A 120.151.209.195 21600s
A 120.151.247.70 172697s
A 120.151.248.197 172697s
A 120.151.32.93 172800s
A 120.151.33.104 21600s
A 120.151.88.103 172800s
A 139.130.12.140 172697s
A 139.130.12.181 21600s
A 139.130.13.146 172697s
A 139.130.13.217 172697s
A 144.139.152.141 172798s
A 144.139.152.216 172798s
A 144.139.152.22 172697s
A 144.139.152.95 172697s
A 144.139.153.45 21600s
A 144.139.7.173 172697s
A 165.228.100.10 172170s
A 165.228.187.152 172170s
A 165.228.195.163 172170s
A 165.228.199.216 21600s
A 165.228.41.138 172170s
A 165.228.69.82 172170s
A 203.45.105.139 170849s
A 203.45.160.193 21600s
A 203.45.179.147 170849s
A 203.45.181.193 170849s
A 203.45.241.246 170849s
A 203.45.74.167 170849s
A 203.45.8.201 170849s
A 203.45.85.173 170849s
A 203.45.85.30 21600s
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 101.187.68.253

CIDR range
101.187.64.0/20
IP range (int)
1,706,770,432 — 1,706,774,527
Prefix length
/20
Organization
Telstra Limited
ASN
AS1221
ASN name
Telstra Limited
Location
Sydney, New South Wales, Australia
Coordinates
-33.867200, 151.199700
Accuracy radius
50 km
Postal code
2000
Regional Internet Registry
APNIC
Allocated
2010-12-23
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-08-23 05:24:25

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

Announced prefix
Origin AS
Announcement samples
15,658
Last seen
2026-08-23 09:53:58

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 New Allocation AU

See the full history for 101.176.0.0/12.

Frequently Asked Questions

Who owns 101.187.68.253?

101.187.68.253 is allocated to Telstra Limited (AS1221), registered in Sydney, Australia.

Where is 101.187.68.253 located?

The geolocation for 101.187.68.253 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 101.187.68.253 on?

101.187.68.253 belongs to the 101.187.64.0/20 network block announced by AS1221. This range contains 4,096 addresses.

Does 101.187.68.253 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 10:12:39 UTC
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