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CIDR
/20 · 4.1K IPs
ASN
JSC ER-Telecom Holding
Reverse DNS
212x57x103x254.static-business.msk.ertelecom.ru
last known PTR from 9 hr ago
Blocklisted
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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.

86/100
Trusted
How this score is built

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

Reverse DNS history

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

  1. no PTR — Oct 3, 2026 → present
  2. 212x57x103x254.static-business.msk.ertelecom.ru stable — Aug 17, 2026 → Oct 3, 2026

Network Allocation for 212.57.103.254

CIDR range
212.57.96.0/20
IP range (int)
3,560,529,920 — 3,560,534,015
Prefix length
/20
Organization
JSC ER-Telecom Holding
ASN
AS31363
ASN name
JSC ER-Telecom Holding
Location
Russia
Coordinates
55.738600, 37.606800
Accuracy radius
1000 km
Regional Internet Registry
RIPE
Allocated
1999-09-13
Data source(s)
maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
Last updated
2026-10-02 08:50:19

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

Announced prefix
Origin AS
Announcement samples
33,210
Last seen
2026-10-03 16:39:47

Frequently Asked Questions

Who owns 212.57.103.254?

212.57.103.254 is allocated to JSC ER-Telecom Holding (AS31363), registered in Russia.

Where is 212.57.103.254 located?

The geolocation for 212.57.103.254 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 212.57.103.254 on?

212.57.103.254 belongs to the 212.57.96.0/20 network block announced by AS31363. This range contains 4,096 addresses.

Does 212.57.103.254 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: 2026-10-03 03:34:12 UTC
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