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CIDR
/23 · 512 IPs
ASN
First Server Limited
Reverse DNS
firstbyte.ru
Last scanned 12 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.

75/100
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)
firstbyte.ru
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-09-22 04:28 UTC
Forward DNS last checked
2026-09-22 04:28 UTC

Forward DNS records for firstbyte.ru

TypeValuePriorityTTL
A 45.9.73.41 300s
MX mail.firstbyte.ru 10
NS alexa.ns.cloudflare.com
NS darwin.ns.cloudflare.com
TXT fk-verify=7fe9d9ce6e9d9d8fec28a331dfabe7cc
TXT google-site-verification=CyK1PWHvAjfBXUCp2jNM_YO1hVgXK_KvMu8a-L8rLDM
TXT mailru-verification: 949a36dc87478680
TXT mailru-verification: fa92d9dcccf227f3
TXT v=DMARC1; p=reject; aspf=r; sp=none
TXT v=spf1 ip4:185.180.231.250 a mx ~all
TXT yandex-verification: 2ad37f88bd2dcec0
TXT yandex-verification: 67673bf57c38a52d
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 193.109.78.49

CIDR range
193.109.78.0/23
IP range (int)
3,245,166,080 — 3,245,166,591
Prefix length
/23
Organization
First Server Limited
ASN
AS204997
ASN name
First Server Limited
Location
Moscow, Moscow, Russia
Coordinates
55.748700, 37.618700
Accuracy radius
20 km
Postal code
101000
Regional Internet Registry
RIPE
Allocated
2019-10-10
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-21 05:26:27

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

Announced prefix
Origin AS
Announcement samples
92,245
Last seen
2026-09-22 04:24:32

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 Country Change RU VG

See the full history for 193.109.78.0/23.

Frequently Asked Questions

Who owns 193.109.78.49?

193.109.78.49 is allocated to First Server Limited (AS204997), registered in Moscow, Russia.

Where is 193.109.78.49 located?

The geolocation for 193.109.78.49 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 193.109.78.49 on?

193.109.78.49 belongs to the 193.109.78.0/23 network block announced by AS204997. This range contains 512 addresses.

Does 193.109.78.49 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: 2026-09-21 16:36:42 UTC
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