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CIDR
/21 · 2.0K IPs
ASN
JSC Severen-Telecom
Reverse DNS
mail.optima.ooo
Last scanned 12 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.

91/100
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)
mail.optima.ooo
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
3600 s
Reverse DNS last checked
2026-09-22 04:06 UTC
Forward DNS last checked
2026-09-22 04:06 UTC

Forward DNS records for mail.optima.ooo

TypeValuePriorityTTL
A 46.252.244.163 172800s
TXT 201904242132052d7bwwfquypww5gx5x0ir2ce53e1rnbdo4bq4o3hb68t6m71ba
TXT 202005222127074jo2gvpqa2if8o1437ph1kz2bqy8ndf02h81byqowr2nweayxa
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 46.252.244.163

CIDR range
46.252.240.0/21
IP range (int)
788,328,448 — 788,330,495
Prefix length
/21
Organization
JSC Severen-Telecom
ASN
AS24739
ASN name
JSC Severen-Telecom
Location
Russia
Coordinates
55.738600, 37.606800
Accuracy radius
1000 km
Regional Internet Registry
RIPE
Allocated
2010-12-29
Data source(s)
maxmind_asn, maxmind_city, maxmind_country, ipinfo_lite
Last updated
2026-07-11 00:20:02

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

Announced prefix
Origin AS
Announcement samples
19,576
Last seen
2026-09-22 15:25:44

Frequently Asked Questions

Who owns 46.252.244.163?

46.252.244.163 is allocated to JSC Severen-Telecom (AS24739), registered in Russia.

Where is 46.252.244.163 located?

The geolocation for 46.252.244.163 maps to 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 46.252.244.163 on?

46.252.244.163 belongs to the 46.252.240.0/21 network block announced by AS24739. This range contains 2,048 addresses.

Does 46.252.244.163 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: 2026-09-22 13:39:53 UTC
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