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CIDR
/20 · 4.1K IPs
ASN
Rostelecom
Reverse DNS
mail.dr-cr.ru
Last scanned 17 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.

88/100
Trusted
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
mail.dr-cr.ru
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
21600 s
Reverse DNS last checked
2026-09-29 09:14 UTC
Forward DNS last checked
2026-09-29 09:14 UTC

Forward DNS records for mail.dr-cr.ru

TypeValuePriorityTTL
A 5.142.253.207 — 60s
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 5.142.253.207

CIDR range
5.142.240.0/20
IP range (int)
93,253,632 — 93,257,727
Prefix length
/20
Organization
Rostelecom
ASN
AS12389
ASN name
Rostelecom
Location
Murmansk, Murmansk, Russia
Coordinates
68.970200, 33.078000
Accuracy radius
10 km
Postal code
183000
Regional Internet Registry
RIPE
Allocated
2012-07-03
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-09-29 04:04:19

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

Announced prefix
Origin AS
Announcement samples
92,342
Last seen
2026-09-29 09:56:33

Frequently Asked Questions

Who owns 5.142.253.207?

5.142.253.207 is allocated to Rostelecom (AS12389), registered in Murmansk, Russia.

Where is 5.142.253.207 located?

The geolocation for 5.142.253.207 maps to Murmansk, Russia 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 5.142.253.207 on?

5.142.253.207 belongs to the 5.142.240.0/20 network block announced by AS12389. This range contains 4,096 addresses.

Does 5.142.253.207 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: 2026-09-29 04:28:17 UTC
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