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CIDR
/23 · 512 IPs
ASN
First Server Limited
Reverse DNS
izumrud.ru
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.

78/100
Moderate
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)
izumrud.ru
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-07-24 02:41 UTC
Forward DNS last checked
2026-07-24 02:41 UTC

Forward DNS records for izumrud.ru

TypeValuePriorityTTL
MX mx.yandex.net 10
NS dns1.yandex.net
NS dns2.yandex.net
TXT v=spf1 redirect=_spf.yandex.net
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 185.128.106.204

CIDR range
185.128.106.0/23
IP range (int)
3,112,200,704 — 3,112,201,215
Prefix length
/23
Organization
First Server Limited
ASN
AS205090
ASN name
First Server Limited
Location
Moscow, Moscow, Russia
Coordinates
55.748700, 37.618700
Accuracy radius
20 km
Postal code
129329
Regional Internet Registry
RIPE
Allocated
2015-11-25
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-07-21 04:09:35

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

Announced prefix
Origin AS
Announcement samples
19,269
Last seen
2026-07-24 13:58:36

Frequently Asked Questions

Who owns 185.128.106.204?

185.128.106.204 is allocated to First Server Limited (AS205090), registered in Moscow, Russia.

Where is 185.128.106.204 located?

The geolocation for 185.128.106.204 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 185.128.106.204 on?

185.128.106.204 belongs to the 185.128.106.0/23 network block announced by AS205090. This range contains 512 addresses.

Does 185.128.106.204 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: 2026-07-24 14:11:04 UTC
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