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CIDR
/21 · 2.0K IPs
ASN
JSC ER-Telecom Holding
Reverse DNS
5x3x107x151.static-business.spb.ertelecom.ru
last known PTR from 12 min 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.

83/100
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.

Reverse-DNS changes between Jun 11, 2026 and Sep 30, 2026 were not recorded; the current PTR is shown from its earliest retained observation.

  1. no PTR — since at least Sep 30, 2026 → present
  2. 5x3x107x151.static-business.spb.ertelecom.ru stable — Jun 11, 2026 → Sep 30, 2026

Network Allocation for 5.3.107.151

CIDR range
5.3.104.0/21
IP range (int)
84,109,312 — 84,111,359
Prefix length
/21
Organization
JSC ER-Telecom Holding
ASN
AS31363
ASN name
JSC ER-Telecom Holding
Location
Moscow, Moscow, Russia
Coordinates
55.748700, 37.618700
Accuracy radius
200 km
Postal code
101000
Regional Internet Registry
RIPE
Allocated
2012-04-27
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-09-30 06:05:34

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

Announced prefix
Origin AS
Announcement samples
40,404
Last seen
2026-09-30 08:25:30

Frequently Asked Questions

Who owns 5.3.107.151?

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

Where is 5.3.107.151 located?

The geolocation for 5.3.107.151 maps to Moscow, 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 5.3.107.151 on?

5.3.107.151 belongs to the 5.3.104.0/21 network block announced by AS31363. This range contains 2,048 addresses.

Does 5.3.107.151 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: 2026-09-30 07:32:21 UTC
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