185.91.117.100
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 (11y) +3
- Trust score 83 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- cluster100.ocularfort.it.com
- Forward-confirmed (FCrDNS)
- ✓ Confirmed
- PTR TTL
- 86400 s
- Reverse DNS last checked
- 2026-07-19 13:06 UTC
- Forward DNS last checked
- 2026-07-19 13:06 UTC
Forward DNS records for cluster100.ocularfort.it.com
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 185.91.117.100 | — | 172800s |
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.
- cluster100.ocularfort.it.com — Jul 9, 2026 → present
- mail.smtfraco.shop stable — Jun 11, 2026 → Jul 9, 2026
Network Allocation for 185.91.117.100
- CIDR range
- 185.91.116.0/22
- IP range (int)
- 3,109,778,432 — 3,109,779,455
- Prefix length
- /22
- Organization
- Pavel Zizka
- ASN
- AS200918
- ASN name
- Pavel Zizka
- Location
- Úpice, Hradec Kr Lov Region, Czechia
- Coordinates
- 50.515000, 16.015800
- Accuracy radius
- 20 km
- Postal code
- 542 32
- Regional Internet Registry
- RIPE
- Allocated
- 2015-03-12
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-07-11 09:24:09
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | Country Change | CZ | ES |
See the full history for 185.91.116.0/22.
Frequently Asked Questions
Who owns 185.91.117.100?
185.91.117.100 is allocated to Pavel Zizka (AS200918), registered in Úpice, Czechia.
Where is 185.91.117.100 located?
The geolocation for 185.91.117.100 maps to Úpice, 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 185.91.117.100 on?
185.91.117.100 belongs to the 185.91.116.0/22 network block announced by AS200918. This range contains 1,024 addresses.
Does 185.91.117.100 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.
