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
- Not on any threat blocklist +5
- Established allocation (14y) +3
- Trust score 83 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- mareldesign.it
- Forward-confirmed (FCrDNS)
- ✓ Confirmed
- PTR TTL
- 38400 s
- Reverse DNS last checked
- 2026-09-23 19:41 UTC
- Forward DNS last checked
- 2026-09-23 19:41 UTC
Forward DNS records for mareldesign.it
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 37.143.166.207 | — | 14400s |
| 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.ducadu.org | — | — |
| NS | ns2.ducadu.org | — | — |
| NS | ns3.ducadu.org | — | — |
| NS | ns4.ducadu.org | — | — |
| TXT | v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400 | — | — |
| TXT | v=spf1 ip4:37.143.170.61 ip4:37.143.166.207 include:_netblock.opticnet.ro ip4:91.201.78.16 ip4:193.32.141.192 +a +mx +ip4:91.201.77.1 +ip4:91.201.77.87 +include:google.com ~all | — | — |
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.
- no PTR — Jul 10, 2026 → present
- mareldesign.it stable — Jun 2, 2026 → Jul 10, 2026
Network Allocation for 37.143.166.207
- CIDR range
- 37.143.164.0/22
- IP range (int)
- 630,170,624 — 630,171,647
- Prefix length
- /22
- Organization
- Opticnet-serv S.r.l.
- ASN
- AS52023
- ASN name
- Opticnet-serv S.r.l.
- Location
- Romania
- Coordinates
- 45.996800, 24.997000
- Accuracy radius
- 200 km
- Regional Internet Registry
- RIPE
- Allocated
- 2012-03-02
- Data source(s)
- maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
- Last updated
- 2026-07-08 00:20:44
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 37.143.166.207?
37.143.166.207 is allocated to Opticnet-serv S.r.l. (AS52023), registered in Romania.
Where is 37.143.166.207 located?
The geolocation for 37.143.166.207 maps to Romania 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 37.143.166.207 on?
37.143.166.207 belongs to the 37.143.164.0/22 network block announced by AS52023. This range contains 1,024 addresses.
Does 37.143.166.207 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.
