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CIDR
/22 · 1.0K IPs
ASN
SpaceWeb Ltd
Reverse DNS
smtpout28.sweb.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.

86/100
Trusted
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
smtpout28.sweb.ru
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
600 s
Reverse DNS last checked
2026-07-18 09:56 UTC
Forward DNS last checked
2026-07-18 09:56 UTC

Forward DNS records for smtpout28.sweb.ru

TypeValuePriorityTTL
A 77.222.41.142 172800s
AAAA 2a02:408:7722:1:77:222:41:142 172800s
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 77.222.41.142

CIDR range
77.222.40.0/22
IP range (int)
1,306,404,864 — 1,306,405,887
Prefix length
/22
Organization
SpaceWeb Ltd
ASN
AS44112
ASN name
SpaceWeb Ltd
Location
Russia
Coordinates
55.738600, 37.606800
Accuracy radius
1000 km
Regional Internet Registry
RIPE
Allocated
2007-04-05
Data source(s)
maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
Last updated
2026-07-11 00:20:06

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

Announced prefix
Origin AS
Announcement samples
20,602
Last seen
2026-07-18 22:00:20

Frequently Asked Questions

Who owns 77.222.41.142?

77.222.41.142 is allocated to SpaceWeb Ltd (AS44112), registered in Russia.

Where is 77.222.41.142 located?

The geolocation for 77.222.41.142 maps to 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 77.222.41.142 on?

77.222.41.142 belongs to the 77.222.40.0/22 network block announced by AS44112. This range contains 1,024 addresses.

Does 77.222.41.142 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: 2026-07-18 12:38:45 UTC
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