Skip to main content
CIDR
/21 · 2.0K IPs
ASN
Rostelecom
Reverse DNS
mx.tscont.ru
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.

83/100
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)
mx.tscont.ru
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
86400 s
Reverse DNS last checked
2026-09-27 18:19 UTC
Forward DNS last checked
2026-09-27 18:19 UTC

Forward DNS records for mx.tscont.ru

TypeValuePriorityTTL
A 176.215.11.121 — 21600s
A 37.79.216.217 — 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 37.79.216.217

CIDR range
37.79.216.0/21
IP range (int)
625,989,632 — 625,991,679
Prefix length
/21
Organization
Rostelecom
ASN
AS12389
ASN name
Rostelecom
Location
Kusinskiy Rayon, Chelyabinsk Oblast, Russia
Coordinates
55.405000, 59.576100
Accuracy radius
100 km
Postal code
624044
Regional Internet Registry
RIPE
Allocated
2012-01-31
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-27 05:20:39

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

Announced prefix
Origin AS
Announcement samples
97,325
Last seen
2026-09-27 21:27:28

Frequently Asked Questions

Who owns 37.79.216.217?

37.79.216.217 is allocated to Rostelecom (AS12389), registered in Kusinskiy Rayon, Russia.

Where is 37.79.216.217 located?

The geolocation for 37.79.216.217 maps to Kusinskiy Rayon, 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 37.79.216.217 on?

37.79.216.217 belongs to the 37.79.216.0/21 network block announced by AS12389. This range contains 2,048 addresses.

Does 37.79.216.217 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: 2026-09-27 21:44:07 UTC
Share