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CIDR
/20 · 4.1K IPs
ASN
Rostelecom
Reverse DNS
post.janusww.com
Last scanned 11 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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
post.janusww.com
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
43200 s
Reverse DNS last checked
2026-09-18 19:11 UTC
Forward DNS last checked
2026-09-18 19:11 UTC

Forward DNS records for post.janusww.com

TypeValuePriorityTTL
A 195.91.152.5 172800s
A 217.91.142.75 21600s
A 62.44.4.194 21600s
A 78.111.92.98 21600s
A 83.166.225.229 21600s
A 90.154.8.21 21600s
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.

Network Allocation for 90.154.8.21

CIDR range
90.154.0.0/20
IP range (int)
1,520,041,984 — 1,520,046,079
Prefix length
/20
Organization
Rostelecom
ASN
AS12389
ASN name
Rostelecom
Location
Moscow, Moscow, Russia
Coordinates
55.748700, 37.618700
Accuracy radius
200 km
Postal code
101000
Regional Internet Registry
RIPE
Allocated
2006-11-07
Data source(s)
ipinfo_lite, maxmind_city, maxmind_asn, maxmind_country
Last updated
2026-09-19 06:08:10

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

Announced prefix
Origin AS
Announcement samples
16,546
Last seen
2026-09-19 06:34:00

Frequently Asked Questions

Who owns 90.154.8.21?

90.154.8.21 is allocated to Rostelecom (AS12389), registered in Moscow, Russia.

Where is 90.154.8.21 located?

The geolocation for 90.154.8.21 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 90.154.8.21 on?

90.154.8.21 belongs to the 90.154.0.0/20 network block announced by AS12389. This range contains 4,096 addresses.

Does 90.154.8.21 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: 2026-09-19 06:49:07 UTC
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