85.71.251.225
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 (22y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Enterprise allocation +4
- Trust score 85 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- mail.sortim.cz
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 21600 s
- Reverse DNS last checked
- 2026-09-29 08:14 UTC
- Forward DNS last checked
- 2026-09-29 08:14 UTC
Forward DNS records for mail.sortim.cz
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 185.64.219.37 | — | 172800s |
| MX | sortim-cz.mail.protection.outlook.com | 0 | — |
| NS | ns.forpsi.cz | — | — |
| NS | ns.forpsi.it | — | — |
| NS | ns.forpsi.net | — | — |
| TXT | 73r8kq967kfrllyv5k9l785tm92w6f44 | — | — |
| TXT | MS=ms82926681 | — | — |
| TXT | _xpd42e7ryvrjgazu0flv561v4y61f1t | — | — |
| TXT | d39w36lbx16hv829gcf17mwthbscflcn | — | — |
| TXT | s7fz19yknz8s9q5jcytgncw0dr8mzcym | — | — |
| TXT | v540nwkt8h77g11b0qrtw20xp3nn0srp | — | — |
| TXT | v=spf1 include:spf.protection.outlook.com include:_spf.myshoptet.com mx a ip4:90.182.74.138/32 ip4:85.71.251.0/24 ip4:77.93.211.0/24 include:spf.smartemailing.cz -all | — | — |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Network Allocation for 85.71.251.225
- CIDR range
- 85.71.192.0/18
- IP range (int)
- 1,430,765,568 — 1,430,781,951
- Prefix length
- /18
- Organization
- O2 Czech Republic, a.s.
- ASN
- AS5610
- ASN name
- O2 Czech Republic, a.s.
- Location
- Ostrava, Moravian Silesian Region, Czechia
- Coordinates
- 49.842500, 18.359900
- Accuracy radius
- 20 km
- Postal code
- 715 00
- Regional Internet Registry
- RIPE
- Allocated
- 2004-11-02
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-09-29 04:07:16
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 85.71.251.225?
85.71.251.225 is allocated to O2 Czech Republic, a.s. (AS5610), registered in Ostrava, Czechia.
Where is 85.71.251.225 located?
The geolocation for 85.71.251.225 maps to Ostrava, 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 85.71.251.225 on?
85.71.251.225 belongs to the 85.71.192.0/18 network block announced by AS5610. This range contains 16,384 addresses.
Does 85.71.251.225 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.
