217.21.242.216
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.
- Baseline (neutral) 65
- Forward-confirmed reverse DNS (FCrDNS) +10
- Long-established allocation (23y) +6
- Not on any threat blocklist +5
- Enterprise allocation +4
- Trust score 90 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- big.medusa.nl
- Forward-confirmed (FCrDNS)
- ✓ Confirmed
- PTR TTL
- 7200 s
- Reverse DNS last checked
- 2026-10-09 15:14 UTC
- Forward DNS last checked
- 2026-10-09 15:14 UTC
Forward DNS records for big.medusa.nl
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 217.21.242.216 | — | 300s |
| AAAA | 2001:4cb8:0:c014:d915:f2d8:0:1 | — | 172800s |
| TXT | v=DMARC1; p=quarantine; pct=100; ruf=mailto:dmarc@digiware.nl; rua=mailto:dmarc@digiware.nl; adkim=r; aspf=r; fo=1; ri=3600; sp=none; | — | — |
| TXT | v=spf1 a include:_spf.medusa.nl ~all | — | — |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Domains hosted
as of 2026-10-04 UTC0
issued.live saw no domain resolving to this IP in its latest weekly snapshot.
Domain data provided by issued.live — for full details visit https://issued.live/pricing
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
- big.medusa.nl stable — Jun 13, 2026 → present 1 brief no-PTR dropout
Network Allocation for 217.21.242.216
- CIDR range
- 217.21.242.0/23
- IP range (int)
- 3,642,094,080 — 3,642,094,591
- Prefix length
- /23
- Organization
- Signet B.V.
- ASN
- AS28878
- ASN name
- Signet B.V.
- Location
- Eindhoven, North Brabant, The Netherlands
- Coordinates
- 51.480200, 5.471100
- Accuracy radius
- 50 km
- Postal code
- 5628
- Regional Internet Registry
- RIPE
- Allocated
- 2003-02-12
- Data source(s)
- maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
- Last updated
- 2026-10-04 08:50:40
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 217.21.242.216?
217.21.242.216 is allocated to Signet B.V. (AS28878), registered in Eindhoven, The Netherlands.
Where is 217.21.242.216 located?
The geolocation for 217.21.242.216 maps to Eindhoven, The Netherlands 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 217.21.242.216 on?
217.21.242.216 belongs to the 217.21.242.0/23 network block announced by AS28878. This range contains 512 addresses.
Does 217.21.242.216 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.
