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CIDR
/20 · 4.1K IPs
ASN
Rostelecom
Reverse DNS
swworld.kht.ru
Last scanned 2 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.

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 →

DNS records

Reverse DNS (PTR)
swworld.kht.ru
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
21600 s
Reverse DNS last checked
2026-10-01 20:55 UTC
Forward DNS last checked
2026-10-01 20:55 UTC

Forward DNS records for swworld.kht.ru

TypeValuePriorityTTL
NS ns1.dv.rt.ru — —
NS ns2.dv.rt.ru — —
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.

Reverse-DNS changes between Sep 26, 2026 and Oct 1, 2026 were not recorded; the current PTR is shown from its earliest retained observation.

  1. swworld.kht.ru — since at least Oct 1, 2026 → present
  2. swworld.ru — Sep 26, 2026 → Oct 1, 2026
  3. swworld.kht.ru — Sep 26, 2026 → Sep 26, 2026
  4. swworld.ru — Aug 24, 2026 → Sep 26, 2026
  5. swworld.kht.ru — Aug 19, 2026 → Aug 24, 2026
  6. swworld.ru — Aug 17, 2026 → Aug 19, 2026
  7. swworld.kht.ru — Jul 4, 2026 → Aug 17, 2026
  8. swworld.ru — Jul 4, 2026 → Jul 4, 2026
  9. swworld.kht.ru — Jun 1, 2026 → Jul 4, 2026
  10. swworld.ru — Jun 1, 2026 → Jun 1, 2026

Network Allocation for 87.225.91.227

CIDR range
87.225.80.0/20
IP range (int)
1,474,383,872 — 1,474,387,967
Prefix length
/20
Organization
Rostelecom
ASN
AS12389
ASN name
Rostelecom
Location
Khabarovsk, Khabarovsk, Russia
Coordinates
48.481700, 135.083000
Accuracy radius
10 km
Postal code
680000
Regional Internet Registry
RIPE
Allocated
2005-06-23
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-10-01 05:23:14

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

Announced prefix
Origin AS
Announcement samples
9,864
Last seen
2026-10-01 22:14:50

Frequently Asked Questions

Who owns 87.225.91.227?

87.225.91.227 is allocated to Rostelecom (AS12389), registered in Khabarovsk, Russia.

Where is 87.225.91.227 located?

The geolocation for 87.225.91.227 maps to Khabarovsk, 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 87.225.91.227 on?

87.225.91.227 belongs to the 87.225.80.0/20 network block announced by AS12389. This range contains 4,096 addresses.

Does 87.225.91.227 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: 2026-10-01 22:17:19 UTC
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