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CIDR
/21 · 2.0K IPs
ASN
Network Research Belgium S.A.
Reverse DNS
necs-ras-32819-1.nrb.be
Last scanned 8 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.

69/100
Moderate
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)
necs-ras-32819-1.nrb.be
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
21600 s
Reverse DNS last checked
2026-09-30 23:01 UTC
Forward DNS last checked
2026-09-30 18:04 UTC
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.

Reverse-DNS changes between Sep 29, 2026 and Sep 30, 2026 were not recorded; the current PTR is shown from its earliest retained observation.

  1. necs-ras-32819-1.nrb.be — since at least Sep 30, 2026 → present
  2. 32819-1.necs-ras.nrb.be — Sep 29, 2026 → Sep 30, 2026
  3. necs-ras-32819-1.nrb.be — Sep 27, 2026 → Sep 29, 2026
  4. 32819-1.necs-ras.nrb.be — Sep 26, 2026 → Sep 27, 2026
  5. necs-ras-32819-1.nrb.be — Aug 25, 2026 → Sep 26, 2026
  6. 32819-1.necs-ras.nrb.be — Aug 24, 2026 → Aug 25, 2026
  7. necs-ras-32819-1.nrb.be — Aug 18, 2026 → Aug 24, 2026
  8. 32819-1.necs-ras.nrb.be — Jul 10, 2026 → Aug 18, 2026

Network Allocation for 217.117.41.56

CIDR range
217.117.40.0/21
IP range (int)
3,648,333,824 — 3,648,335,871
Prefix length
/21
Organization
Network Research Belgium S.A.
ASN
AS204013
ASN name
Network Research Belgium S.A.
Location
Liège, Wallonia, Belgium
Coordinates
50.633700, 5.567500
Accuracy radius
50 km
Postal code
4000
Regional Internet Registry
RIPE
Allocated
2001-02-06
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-30 05:26:12

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

Announced prefix
Origin AS
⚠ 2 origins (MOAS)
Announcement samples
19,701
Last seen
2026-10-01 06:59:47

Frequently Asked Questions

Who owns 217.117.41.56?

217.117.41.56 is allocated to Network Research Belgium S.A. (AS204013), registered in Liège, Belgium.

Where is 217.117.41.56 located?

The geolocation for 217.117.41.56 maps to Liège, Belgium 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 217.117.41.56 on?

217.117.41.56 belongs to the 217.117.40.0/21 network block announced by AS204013. This range contains 2,048 addresses.

Does 217.117.41.56 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 02:12:26 UTC
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