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CIDR
/22 · 1.0K IPs
ASN
JSC ER-Telecom Holding
Reverse DNS
91x144x158x250.static-business.chelny.ertelecom.ru
last known PTR from 74 days 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.

81/100
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)
91x144x158x250.static-business.chelny.ertelecom.ru
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
86400 s
Reverse DNS last checked
2026-09-22 09:57 UTC
Forward DNS last checked
2026-09-22 09:57 UTC
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. no PTR — Jul 10, 2026 → present
  2. 91x144x158x250.static-business.chelny.ertelecom.ru stable — Jun 12, 2026 → Jul 10, 2026

Network Allocation for 91.144.158.250

CIDR range
91.144.156.0/22
IP range (int)
1,536,203,776 — 1,536,204,799
Prefix length
/22
Organization
JSC ER-Telecom Holding
ASN
AS42116
ASN name
JSC ER-Telecom Holding
Location
Naberezhnyye Chelny, Tatarstan Republic, Russia
Coordinates
55.731900, 52.417800
Accuracy radius
50 km
Postal code
423800
Regional Internet Registry
RIPE
Allocated
2006-09-22
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-09-22 04:07:58

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

Announced prefix
Origin AS
Announcement samples
37,127
Last seen
2026-09-22 12:49:02

Frequently Asked Questions

Who owns 91.144.158.250?

91.144.158.250 is allocated to JSC ER-Telecom Holding (AS42116), registered in Naberezhnyye Chelny, Russia.

Where is 91.144.158.250 located?

The geolocation for 91.144.158.250 maps to Naberezhnyye Chelny, 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 91.144.158.250 on?

91.144.158.250 belongs to the 91.144.156.0/22 network block announced by AS42116. This range contains 1,024 addresses.

Does 91.144.158.250 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 04:56:11 UTC
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