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
- Active-threat / abuse risk −12
- Academic allocation +6
- Long-established allocation (36y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 75 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- fiona-ubuntu.server.uni-frankfurt.de
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 21600 s
- Reverse DNS last checked
- 2026-10-12 13:04 UTC
- Forward DNS last checked
- 2026-10-12 11:43 UTC
Forward DNS records for fiona-ubuntu.server.uni-frankfurt.de
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 141.2.37.191 | — | 38400s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Domains hosted
as of 2026-10-11 UTC1
Registrable domains (like example.com) with at least one name resolving to this IP — counted once a week from issued.live's DNS 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.
- Round-robins among fiona-ubuntu.server.uni-frankfurt.de, fiona7.server.uni-frankfurt.de (29 observations) — Jun 12, 2026 → present
Network Allocation for 141.2.37.191
- CIDR range
- 141.2.32.0/20
- IP range (int)
- 2,365,726,720 — 2,365,730,815
- Prefix length
- /20
- Organization
- Johann Wolfgang Goethe-Universitat Frankfurt am Main
- ASN
- AS20633
- ASN name
- Johann Wolfgang Goethe-Universitat Frankfurt am Main
- Location
- Frankfurt am Main, Hesse, Germany
- Coordinates
- 50.118800, 8.640100
- Accuracy radius
- 50 km
- Postal code
- 60486
- Regional Internet Registry
- RIPE
- Allocated
- 1990-06-07
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-10-12 08:46:57
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 141.2.37.191?
141.2.37.191 is allocated to Johann Wolfgang Goethe-Universitat Frankfurt am Main (AS20633), registered in Frankfurt am Main, Germany.
Where is 141.2.37.191 located?
The geolocation for 141.2.37.191 maps to Frankfurt am Main, Germany 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 141.2.37.191 on?
141.2.37.191 belongs to the 141.2.32.0/20 network block announced by AS20633. This range contains 4,096 addresses.
Does 141.2.37.191 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.
