77.78.86.161
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
- Long-established allocation (19y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- novyporg.cz
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 21600 s
- Reverse DNS last checked
- 2026-09-29 17:12 UTC
- Forward DNS last checked
- 2026-09-29 17:12 UTC
Forward DNS records for novyporg.cz
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 217.198.116.188 | — | 172800s |
| AAAA | 2a00:19a0:3:74:0:d9c6:74bc:1 | — | 172800s |
| MX | novyporg-cz.mail.protection.outlook.com | 0 | — |
| NS | ns1.regzone.cz | — | — |
| NS | ns1.regzone.de | — | — |
| NS | ns1.regzone.info | — | — |
| TXT | autodesk-domain-verification=2sR4973xFgbl9QQ9BtTT | — | — |
| TXT | google-site-verification=cfhA93aBM7gU4m71yjUjqtyIyoKUx52BJQoRhyKBMSg | — | — |
| TXT | v=DMARC1; p=quarantine; | — | — |
| TXT | v=spf1 include:spf.protection.outlook.com include:spf.skolaonline.cz -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.
This IP's reverse DNS changes frequently — the timeline below shows the most recent changes.
- novyporg.cz — Sep 29, 2026 → present
- prg-k.porg.cz — Sep 29, 2026 → Sep 29, 2026
- novyporg.cz — Sep 29, 2026 → Sep 29, 2026
- prg-k.porg.cz — Sep 28, 2026 → Sep 29, 2026
- novyporg.cz — Sep 28, 2026 → Sep 28, 2026
- prg-k.porg.cz — Sep 27, 2026 → Sep 28, 2026
- novyporg.cz — Sep 25, 2026 → Sep 27, 2026
- prg-k.porg.cz — Sep 25, 2026 → Sep 25, 2026
- novyporg.cz — Aug 19, 2026 → Sep 25, 2026
- prg-k.porg.cz — Aug 17, 2026 → Aug 19, 2026
- novyporg.cz — Jul 10, 2026 → Aug 17, 2026
- prg-k.porg.cz — Jul 2, 2026 → Jul 10, 2026
- novyporg.cz — Jun 29, 2026 → Jul 2, 2026
- prg-k.porg.cz — Jun 26, 2026 → Jun 29, 2026
- novyporg.cz — Jun 23, 2026 → Jun 26, 2026
- prg-k.porg.cz — Jun 16, 2026 → Jun 23, 2026
- novyporg.cz — Jun 12, 2026 → Jun 16, 2026
- prg-k.porg.cz — Jun 11, 2026 → Jun 12, 2026
- novyporg.cz — Jun 4, 2026 → Jun 11, 2026
- prg-k.porg.cz — Jun 1, 2026 → Jun 4, 2026
Network Allocation for 77.78.86.161
- CIDR range
- 77.78.80.0/21
- IP range (int)
- 1,296,977,920 — 1,296,979,967
- Prefix length
- /21
- Organization
- WIA spol. s.r.o.
- ASN
- AS21430
- ASN name
- WIA spol. s.r.o.
- Location
- Jesenice, Central Bohemia, Czechia
- Coordinates
- 49.962700, 14.516800
- Accuracy radius
- 20 km
- Postal code
- 252 42
- Regional Internet Registry
- RIPE
- Allocated
- 2007-02-27
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-09-29 04:06:58
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 77.78.86.161?
77.78.86.161 is allocated to WIA spol. s.r.o. (AS21430), registered in Jesenice, Czechia.
Where is 77.78.86.161 located?
The geolocation for 77.78.86.161 maps to Jesenice, 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 77.78.86.161 on?
77.78.86.161 belongs to the 77.78.80.0/21 network block announced by AS21430. This range contains 2,048 addresses.
Does 77.78.86.161 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.
