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CIDR
/20 · 4.1K IPs
ASN
Maria Curie-Sklodowska University
Reverse DNS
wsei.ae1x410.dhiblang.lubman.net.pl
Last scanned 11 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.

81/100
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)
wsei.ae1x410.dhiblang.lubman.net.pl
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
86400 s
Reverse DNS last checked
2026-09-14 07:57 UTC
Forward DNS last checked
2026-09-14 07:57 UTC

Forward DNS records for wsei.ae1x410.dhiblang.lubman.net.pl

TypeValuePriorityTTL
A 212.182.93.192 172800s
A 212.182.93.193 172800s
A 212.182.93.194 172800s
A 212.182.93.195 172800s
A 212.182.93.196 172798s
A 212.182.93.197 172800s
A 212.182.93.198 172800s
A 212.182.93.199 172798s
A 212.182.93.200 172800s
A 212.182.93.201 172800s
A 212.182.93.202 172798s
A 212.182.93.203 172800s
A 212.182.93.204 172800s
A 212.182.93.205 172798s
A 212.182.93.206 172800s
A 212.182.93.207 172798s
A 212.182.93.208 172800s
A 212.182.93.209 172800s
A 212.182.93.210 172800s
A 212.182.93.211 172800s
A 212.182.93.212 172798s
A 212.182.93.213 172800s
A 212.182.93.214 172798s
A 212.182.93.215 172790s
A 212.182.93.216 172800s
A 212.182.93.217 172800s
A 212.182.93.218 172800s
A 212.182.93.219 172800s
A 212.182.93.220 172800s
A 212.182.93.221 172798s
A 212.182.93.222 172798s
A 212.182.93.223 172800s
A 87.246.229.32 172800s
A 87.246.229.34 172800s
A 87.246.229.35 172790s
A 87.246.229.36 172798s
A 87.246.229.37 172800s
A 87.246.229.38 172800s
A 87.246.229.39 172800s
A 87.246.229.40 172800s
A 87.246.229.41 172800s
A 87.246.229.42 172800s
A 87.246.229.43 172800s
A 87.246.229.44 172798s
A 87.246.229.45 172798s
A 87.246.229.46 172800s
A 87.246.229.47 172800s
A 87.246.229.48 172800s
A 87.246.229.49 172800s
A 87.246.229.50 172799s
A 87.246.229.51 172800s
A 87.246.229.52 172800s
A 87.246.229.53 172799s
A 87.246.229.54 172800s
A 87.246.229.55 172800s
A 87.246.229.56 172798s
A 87.246.229.57 172800s
A 87.246.229.58 172800s
A 87.246.229.59 172798s
A 87.246.229.60 172800s
A 87.246.229.61 172800s
A 87.246.229.62 172800s
A 87.246.229.63 172798s
A 87.246.237.32 172798s
A 87.246.237.33 172792s
A 87.246.237.34 172799s
A 87.246.237.35 172800s
A 87.246.237.36 172800s
A 87.246.237.37 172800s
A 87.246.237.38 172800s
A 87.246.237.39 172800s
A 87.246.237.40 172800s
A 87.246.237.41 172800s
A 87.246.237.42 172800s
A 87.246.237.43 172798s
A 87.246.237.44 172800s
A 87.246.237.45 172800s
A 87.246.237.46 172800s
A 87.246.237.47 172792s
A 87.246.237.48 172792s
A 87.246.237.49 172798s
A 87.246.237.50 172800s
A 87.246.237.51 172798s
A 87.246.237.52 172800s
A 87.246.237.53 172790s
A 87.246.237.54 172800s
A 87.246.237.55 172798s
A 87.246.237.56 172798s
A 87.246.237.57 172800s
A 87.246.237.58 172800s
A 87.246.237.59 172800s
A 87.246.237.60 172800s
A 87.246.237.61 172799s
A 87.246.237.62 172798s
A 87.246.237.63 172800s
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.

Network Allocation for 87.246.229.57

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
29,193
Last seen
2026-09-14 18:28:55

Frequently Asked Questions

Who owns 87.246.229.57?

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

Where is 87.246.229.57 located?

The geolocation for 87.246.229.57 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 87.246.229.57 on?

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

Does 87.246.229.57 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 11:14:20 UTC
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