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CIDR
/21 · 2.0K IPs
ASN
Telstra Global
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 42.99.240.128

CIDR range
42.99.240.0/21
IP range (int)
711,192,576 — 711,194,623
Prefix length
/21
Organization
Telstra Global
ASN
AS4637
ASN name
Telstra Global
Location
Japan
Coordinates
35.690000, 139.690000
Accuracy radius
1000 km
Regional Internet Registry
APNIC
Allocated
2011-03-15
Data source(s)
maxmind_city, ipinfo_lite, maxmind_country, maxmind_asn
Last updated
2026-06-09 06:07:50

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

Announced prefix
Origin AS
Announcement samples
7,599
Last seen
2026-07-23 11:48:54

Frequently Asked Questions

Who owns 42.99.240.128?

42.99.240.128 is allocated to Telstra Global (AS4637), registered in Japan.

Where is 42.99.240.128 located?

The geolocation for 42.99.240.128 maps to Japan 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 42.99.240.128 on?

42.99.240.128 belongs to the 42.99.240.0/21 network block announced by AS4637. This range contains 2,048 addresses.

Does 42.99.240.128 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: 2026-07-23 12:17:17 UTC
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