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CIDR
/21 · 2.0K IPs
ASN
FASTER CZ spol. s r.o.
Reverse DNS
aplus.cz
Last scanned 5 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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
aplus.cz
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
21600 s
Reverse DNS last checked
2026-10-01 07:06 UTC
Forward DNS last checked
2026-10-01 07:06 UTC

Forward DNS records for aplus.cz

TypeValuePriorityTTL
A 217.198.127.152 — 2762s
A 62.109.151.71 — 172800s
MX alt1.aspmx.l.google.com 5 —
MX alt2.aspmx.l.google.com 5 —
MX alt3.aspmx.l.google.com 10 —
MX alt4.aspmx.l.google.com 10 —
MX aspmx.l.google.com 1 —
NS ns1.websupport.cz — —
NS ns2.websupport.cz — —
NS ns3.websupport.eu — —
TXT MS=ms72694001 — —
TXT google-site-verification=8SjciZ_6F15Ais0fmUIGka9rfD4bXLcXkSZbIWifcNs — —
TXT v=spf1 include:_spf.google.com ip4:62.109.151.71 include:spf-zoner-zmail.zoner.com include:spf-zoner-cloudmail.zoner.com ~all — —
TXT v=spf1 include:_spf.google.com ip4:62.109.151.71 ~all — —
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.

  1. aplus.cz — Sep 30, 2026 → present
  2. cloudtech.cz — Sep 30, 2026 → Sep 30, 2026
  3. aplus.cz — Sep 29, 2026 → Sep 30, 2026
  4. compass-com.eu — Sep 29, 2026 → Sep 29, 2026
  5. aplus.cz — Sep 28, 2026 → Sep 29, 2026
  6. cloudtech.cz — Sep 27, 2026 → Sep 28, 2026
  7. aplus.cz — Jul 10, 2026 → Sep 27, 2026
  8. cloudtech.cz — Jul 6, 2026 → Jul 10, 2026
  9. compass-com.eu — Jul 6, 2026 → Jul 6, 2026
  10. cloudtech.cz — Jul 3, 2026 → Jul 6, 2026
  11. compass-com.eu — Jun 27, 2026 → Jul 3, 2026
  12. cloudtech.cz — Jun 24, 2026 → Jun 27, 2026
  13. aplus.cz — Jun 19, 2026 → Jun 24, 2026
  14. cloudtech.cz — Jun 17, 2026 → Jun 19, 2026
  15. compass-com.eu — Jun 16, 2026 → Jun 17, 2026
  16. cloudtech.cz — Jun 12, 2026 → Jun 16, 2026
  17. aplus.cz — Jun 11, 2026 → Jun 12, 2026
  18. compass-com.eu — Jun 3, 2026 → Jun 11, 2026
  19. aplus.cz — Jun 1, 2026 → Jun 3, 2026

Network Allocation for 77.240.187.113

CIDR range
77.240.184.0/21
IP range (int)
1,307,621,376 — 1,307,623,423
Prefix length
/21
Organization
FASTER CZ spol. s r.o.
ASN
AS24641
ASN name
FASTER CZ spol. s r.o.
Location
Brno, South Moravian, Czechia
Coordinates
49.203400, 16.696800
Accuracy radius
10 km
Postal code
628 00
Regional Internet Registry
RIPE
Allocated
2007-01-18
Data source(s)
maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
Last updated
2026-09-29 18:50:39

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

Announced prefix
Origin AS
Announcement samples
31,418
Last seen
2026-10-01 11:43:43

Frequently Asked Questions

Who owns 77.240.187.113?

77.240.187.113 is allocated to FASTER CZ spol. s r.o. (AS24641), registered in Brno, Czechia.

Where is 77.240.187.113 located?

The geolocation for 77.240.187.113 maps to Brno, Czechia 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 77.240.187.113 on?

77.240.187.113 belongs to the 77.240.184.0/21 network block announced by AS24641. This range contains 2,048 addresses.

Does 77.240.187.113 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 09:20:09 UTC
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