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CIDR
/20 · 4.1K IPs
ASN
Webglobe, s.r.o.
Reverse DNS
lemur.core.ignum.cz
Last scanned 17 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)
lemur.core.ignum.cz
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
360 s
Reverse DNS last checked
2026-09-30 03:46 UTC
Forward DNS last checked
2026-09-30 03:46 UTC

Forward DNS records for lemur.core.ignum.cz

TypeValuePriorityTTL
A 62.109.151.53 — 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.

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. lemur.core.ignum.cz — Sep 28, 2026 → present
  2. mysqldb03.core.ignum.cz — Sep 28, 2026 → Sep 28, 2026
  3. lemur.core.ignum.cz — Sep 27, 2026 → Sep 28, 2026
  4. mysqldb03.core.ignum.cz — Sep 26, 2026 → Sep 27, 2026
  5. lemur.core.ignum.cz — Sep 26, 2026 → Sep 26, 2026
  6. mysqldb03.core.ignum.cz — Sep 26, 2026 → Sep 26, 2026
  7. lemur.core.ignum.cz — Sep 25, 2026 → Sep 26, 2026
  8. mysqldb03.core.ignum.cz — Aug 25, 2026 → Sep 25, 2026
  9. lemur.core.ignum.cz — Aug 24, 2026 → Aug 25, 2026
  10. mysqldb03.core.ignum.cz — Aug 18, 2026 → Aug 24, 2026
  11. lemur.core.ignum.cz — Aug 18, 2026 → Aug 18, 2026
  12. mysqldb03.core.ignum.cz — Jul 10, 2026 → Aug 18, 2026
  13. lemur.core.ignum.cz — Jun 19, 2026 → Jul 10, 2026
  14. mysqldb03.core.ignum.cz — Jun 13, 2026 → Jun 19, 2026
  15. lemur.core.ignum.cz — Jun 12, 2026 → Jun 13, 2026
  16. mysqldb03.core.ignum.cz — Jun 11, 2026 → Jun 12, 2026

Network Allocation for 217.31.49.43

CIDR range
217.31.48.0/20
IP range (int)
3,642,699,776 — 3,642,703,871
Prefix length
/20
Organization
Webglobe, s.r.o.
ASN
AS29134
ASN name
Webglobe, s.r.o.
Location
Czechia
Coordinates
50.084800, 14.411200
Accuracy radius
100 km
Regional Internet Registry
RIPE
Allocated
2003-06-10
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-29 18:58:42

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

Announced prefix
Origin AS
Announcement samples
10,078
Last seen
2026-09-30 19:34:43

Frequently Asked Questions

Who owns 217.31.49.43?

217.31.49.43 is allocated to Webglobe, s.r.o. (AS29134), registered in Czechia.

Where is 217.31.49.43 located?

The geolocation for 217.31.49.43 maps to 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 217.31.49.43 on?

217.31.49.43 belongs to the 217.31.48.0/20 network block announced by AS29134. This range contains 4,096 addresses.

Does 217.31.49.43 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: 2026-09-30 19:37:32 UTC
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