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CIDR
/20 · 4.1K IPs
ASN
InfoLada Ltd
Reverse DNS
relay.groupdsk.ru
Last scanned 5 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.

81/100
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)
relay.groupdsk.ru
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
21600 s
Reverse DNS last checked
2026-10-04 11:50 UTC
Forward DNS last checked
2026-10-04 11:50 UTC

Forward DNS records for relay.groupdsk.ru

TypeValuePriorityTTL
A 185.73.19.150 — 3600s
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.

Reverse DNS history

How this IP's reverse DNS (PTR) has changed over time, from our scans.

  1. relay.groupdsk.ru stable — Jun 11, 2026 → present 1 brief no-PTR dropout

Network Allocation for 81.23.186.47

CIDR range
81.23.176.0/20
IP range (int)
1,360,506,880 — 1,360,510,975
Prefix length
/20
Organization
InfoLada Ltd
ASN
AS8416
ASN name
InfoLada Ltd
Location
Tolyatti, Samara Oblast, Russia
Coordinates
53.532300, 49.343500
Accuracy radius
10 km
Postal code
355000
Regional Internet Registry
RIPE
Allocated
2006-02-16
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-10-04 05:23:38

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

Announced prefix
Origin AS
Announcement samples
22,185
Last seen
2026-10-04 16:15:25

Frequently Asked Questions

Who owns 81.23.186.47?

81.23.186.47 is allocated to InfoLada Ltd (AS8416), registered in Tolyatti, Russia.

Where is 81.23.186.47 located?

The geolocation for 81.23.186.47 maps to Tolyatti, 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 81.23.186.47 on?

81.23.186.47 belongs to the 81.23.176.0/20 network block announced by AS8416. This range contains 4,096 addresses.

Does 81.23.186.47 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: 2026-10-04 12:25:16 UTC
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