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CIDR
/18 · 16.4K IPs
ASN
Rostelecom
Reverse DNS
mail.ao-kos.ru
Last scanned 23 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)
mail.ao-kos.ru
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
86400 s
Reverse DNS last checked
2026-09-28 12:05 UTC
Forward DNS last checked
2026-09-28 12:05 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.

This IP's reverse DNS changes frequently — the timeline below shows the most recent changes.

  1. mail.ao-kos.ru — Sep 27, 2026 → present
  2. mail.snl.one — Sep 26, 2026 → Sep 27, 2026
  3. mail.ao-kos.ru — Sep 25, 2026 → Sep 26, 2026
  4. mail.snl.one — Aug 25, 2026 → Sep 25, 2026
  5. mail.ao-kos.ru — Aug 19, 2026 → Aug 25, 2026
  6. mail.snl.one — Aug 17, 2026 → Aug 19, 2026
  7. mail.ao-kos.ru — Jul 8, 2026 → Aug 17, 2026
  8. mail.snl.one — Jun 12, 2026 → Jul 8, 2026

Network Allocation for 90.150.153.170

CIDR range
90.150.128.0/18
IP range (int)
1,519,812,608 — 1,519,828,991
Prefix length
/18
Organization
Rostelecom
ASN
AS12389
ASN name
Rostelecom
Location
Tyumen, Tyumen Oblast, Russia
Coordinates
57.153300, 65.541800
Accuracy radius
50 km
Postal code
625000
Regional Internet Registry
RIPE
Allocated
2006-12-19
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-09-08 04:06:43

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

Announced prefix
Origin AS
Announcement samples
34,136
Last seen
2026-09-28 19:44:41

Frequently Asked Questions

Who owns 90.150.153.170?

90.150.153.170 is allocated to Rostelecom (AS12389), registered in Tyumen, Russia.

Where is 90.150.153.170 located?

The geolocation for 90.150.153.170 maps to Tyumen, 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 90.150.153.170 on?

90.150.153.170 belongs to the 90.150.128.0/18 network block announced by AS12389. This range contains 16,384 addresses.

Does 90.150.153.170 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: 2026-09-27 21:32:57 UTC
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