Skip to main content
CIDR
/20 · 4.1K IPs
ASN
Maria Curie-Sklodowska University
Reverse DNS
narcyzowe.bridge.mt-narcyzowe.lubman.net.pl
Last scanned 6 hr ago
Blocklisted
Checking…
Scanning blocklists

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.

86/100
Trusted
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
narcyzowe.bridge.mt-narcyzowe.lubman.net.pl
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
86400 s
Reverse DNS last checked
2026-09-14 07:56 UTC
Forward DNS last checked
2026-09-14 07:56 UTC

Forward DNS records for narcyzowe.bridge.mt-narcyzowe.lubman.net.pl

TypeValuePriorityTTL
A 87.246.233.160 86400s
A 87.246.233.162 86400s
A 87.246.233.163 86400s
A 87.246.233.164 86400s
A 87.246.233.165 86400s
A 87.246.233.166 86400s
A 87.246.233.167 86400s
A 87.246.233.168 86400s
A 87.246.233.169 86400s
A 87.246.233.170 86400s
A 87.246.233.171 86400s
A 87.246.233.172 86400s
A 87.246.233.173 86400s
A 87.246.233.174 86400s
A 87.246.233.175 86400s
A 87.246.233.176 86400s
A 87.246.233.177 86400s
A 87.246.233.178 86400s
A 87.246.233.179 86400s
A 87.246.233.180 86400s
A 87.246.233.181 86400s
A 87.246.233.182 86400s
A 87.246.233.183 86400s
A 87.246.233.184 86400s
A 87.246.233.185 86400s
A 87.246.233.186 86400s
A 87.246.233.187 86400s
A 87.246.233.188 86400s
A 87.246.233.189 86400s
A 87.246.233.191 86400s
every IP & sub-domain we've seen under this domain

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.

  1. narcyzowe.bridge.mt-narcyzowe.lubman.net.pl — Jul 10, 2026 → present
  2. narcyzowe.ae1x681.dhiblang.lubman.net.pl — Jul 6, 2026 → Jul 10, 2026
  3. narcyzowe.vl681.c2960-narcyzowe.lubman.net.pl — Jun 30, 2026 → Jul 6, 2026
  4. narcyzowe.bridge.mt-narcyzowe.lubman.net.pl — Jun 26, 2026 → Jun 30, 2026
  5. narcyzowe.vl681.c2960-narcyzowe.lubman.net.pl — Jun 1, 2026 → Jun 26, 2026

Network Allocation for 87.246.233.170

CIDR range
87.246.224.0/20
IP range (int)
1,475,796,992 — 1,475,801,087
Prefix length
/20
Organization
Maria Curie-Sklodowska University
ASN
AS12346
ASN name
Maria Curie-Sklodowska University
Location
Rejowiec, Lublin, Poland
Coordinates
51.094400, 23.288000
Accuracy radius
50 km
Postal code
22-360
Regional Internet Registry
RIPE
Allocated
2005-09-05
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-09-14 05:23:21

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
29,182
Last seen
2026-09-14 14:20:29

Frequently Asked Questions

Who owns 87.246.233.170?

87.246.233.170 is allocated to Maria Curie-Sklodowska University (AS12346), registered in Rejowiec, Poland.

Where is 87.246.233.170 located?

The geolocation for 87.246.233.170 maps to Rejowiec, Poland 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 87.246.233.170 on?

87.246.233.170 belongs to the 87.246.224.0/20 network block announced by AS12346. This range contains 4,096 addresses.

Does 87.246.233.170 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.

Related

Last updated: 2026-09-14 12:44:23 UTC
Share