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CIDR
/20 · 4.1K IPs
ASN
Maria Curie-Sklodowska University
Reverse DNS
nalkowskich.vlan438.shrike.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.

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)
nalkowskich.vlan438.shrike.lubman.net.pl
Forward-confirmed (FCrDNS)
✗ Mismatch
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 nalkowskich.vlan438.shrike.lubman.net.pl

TypeValuePriorityTTL
A 172.24.3.24 172800s
A 172.24.3.27 172795s
A 172.24.3.30 172800s
A 172.24.3.31 172795s
A 212.182.99.128 172785s
A 212.182.99.130 172774s
A 212.182.99.131 172799s
A 212.182.99.133 172797s
A 212.182.99.134 172797s
A 212.182.99.135 172800s
A 212.182.99.137 172800s
A 212.182.99.138 172795s
A 212.182.99.139 172800s
A 212.182.99.140 172800s
A 212.182.99.142 172800s
A 212.182.99.143 172800s
A 212.182.99.144 172795s
A 212.182.99.145 172797s
A 212.182.99.146 172758s
A 212.182.99.147 172800s
A 212.182.99.149 172781s
A 212.182.99.150 172795s
A 212.182.99.151 172800s
A 212.182.99.152 172785s
A 212.182.99.153 172795s
A 212.182.99.154 172791s
A 212.182.99.155 172774s
A 212.182.99.156 172795s
A 212.182.99.157 172796s
A 212.182.99.158 172799s
A 212.182.99.160 172795s
A 212.182.99.162 172781s
A 212.182.99.163 172795s
A 212.182.99.164 172758s
A 212.182.99.165 172800s
A 212.182.99.166 172785s
A 212.182.99.167 172800s
A 212.182.99.168 172796s
A 212.182.99.169 172800s
A 212.182.99.170 172800s
A 212.182.99.171 172795s
A 212.182.99.172 172795s
A 212.182.99.173 172775s
A 212.182.99.174 172799s
A 212.182.99.175 172800s
A 212.182.99.176 172800s
A 212.182.99.178 172800s
A 212.182.99.180 172796s
A 212.182.99.181 172797s
A 212.182.99.182 172758s
A 212.182.99.185 172799s
A 212.182.99.187 172797s
A 212.182.99.188 172796s
A 212.182.99.189 172796s
A 212.182.99.190 172781s
A 212.182.99.191 172800s
A 212.182.99.192 172799s
A 212.182.99.193 172800s
A 212.182.99.194 172800s
A 212.182.99.195 172778s
A 212.182.99.196 172800s
A 212.182.99.197 172800s
A 212.182.99.198 172800s
A 212.182.99.199 172796s
A 212.182.99.200 172795s
A 212.182.99.202 172795s
A 212.182.99.203 172687s
A 212.182.99.204 172796s
A 212.182.99.205 172795s
A 212.182.99.206 172800s
A 212.182.99.207 172800s
A 212.182.99.208 172795s
A 212.182.99.209 172781s
A 212.182.99.210 172800s
A 212.182.99.211 172799s
A 212.182.99.212 172797s
A 212.182.99.213 172785s
A 212.182.99.214 172797s
A 212.182.99.215 172799s
A 212.182.99.216 172800s
A 212.182.99.217 172799s
A 212.182.99.218 172799s
A 212.182.99.219 172758s
A 212.182.99.220 172800s
A 212.182.99.221 172800s
A 212.182.99.222 172800s
A 212.182.99.223 172800s
A 212.182.99.224 172800s
A 212.182.99.225 172800s
A 212.182.99.226 172796s
A 212.182.99.227 172686s
A 212.182.99.228 172800s
A 212.182.99.229 172800s
A 212.182.99.230 172800s
A 212.182.99.231 172799s
A 212.182.99.232 172688s
A 212.182.99.233 172775s
A 212.182.99.234 172795s
A 212.182.99.235 172800s
A 212.182.99.236 172731s
A 212.182.99.237 172796s
A 212.182.99.238 172796s
A 212.182.99.239 172791s
A 212.182.99.240 172799s
A 212.182.99.241 172795s
A 212.182.99.242 172758s
A 212.182.99.243 172795s
A 212.182.99.244 172796s
A 212.182.99.245 172795s
A 212.182.99.246 172800s
A 212.182.99.247 172723s
A 212.182.99.248 172758s
A 212.182.99.249 172799s
A 212.182.99.250 172795s
A 212.182.99.251 172800s
A 212.182.99.252 172788s
A 212.182.99.253 172795s
A 212.182.99.254 172795s
A 212.182.99.255 172796s
A 87.246.224.0 172687s
A 87.246.224.10 172795s
A 87.246.224.100 172800s
A 87.246.224.101 172797s
A 87.246.224.102 172795s
A 87.246.224.103 172795s
A 87.246.224.104 172800s
A 87.246.224.105 172796s
A 87.246.224.106 172797s
A 87.246.224.107 172799s
A 87.246.224.108 172796s
A 87.246.224.109 172800s
A 87.246.224.11 172796s
A 87.246.224.110 172795s
A 87.246.224.111 172800s
A 87.246.224.112 172800s
A 87.246.224.113 172800s
A 87.246.224.114 172800s
A 87.246.224.115 172800s
A 87.246.224.116 172799s
A 87.246.224.117 172775s
A 87.246.224.118 172774s
A 87.246.224.119 172800s
A 87.246.224.12 172796s
A 87.246.224.120 172796s
A 87.246.224.121 172800s
A 87.246.224.122 172795s
A 87.246.224.123 172796s
A 87.246.224.124 172799s
A 87.246.224.125 172795s
A 87.246.224.126 172781s
A 87.246.224.127 172797s
A 87.246.224.128 172781s
A 87.246.224.129 172795s
A 87.246.224.13 172796s
A 87.246.224.130 172775s
A 87.246.224.131 172795s
A 87.246.224.132 172797s
A 87.246.224.133 172799s
A 87.246.224.134 172800s
A 87.246.224.135 172799s
A 87.246.224.136 172796s
A 87.246.224.137 172795s
A 87.246.224.138 172796s
A 87.246.224.139 172796s
A 87.246.224.14 172800s
A 87.246.224.140 172800s
A 87.246.224.141 172797s
A 87.246.224.142 172796s
A 87.246.224.143 172795s
A 87.246.224.144 172795s
A 87.246.224.145 172800s
A 87.246.224.146 172795s
A 87.246.224.147 172795s
A 87.246.224.148 172800s
A 87.246.224.149 172795s
A 87.246.224.15 172796s
A 87.246.224.150 172775s
A 87.246.224.151 172797s
A 87.246.224.152 172800s
A 87.246.224.153 172795s
A 87.246.224.154 172795s
A 87.246.224.155 172799s
A 87.246.224.156 172775s
A 87.246.224.157 172795s
A 87.246.224.158 172800s
A 87.246.224.159 172796s
A 87.246.224.16 172796s
A 87.246.224.160 172755s
A 87.246.224.161 172781s
A 87.246.224.162 172795s
A 87.246.224.163 172797s
A 87.246.224.164 172795s
A 87.246.224.165 172797s
A 87.246.224.166 172796s
A 87.246.224.167 172781s
A 87.246.224.168 172781s
A 87.246.224.169 172796s
A 87.246.224.17 172796s
A 87.246.224.170 172799s
A 87.246.224.171 172799s
A 87.246.224.172 172795s
A 87.246.224.173 172795s
A 87.246.224.174 172800s
A 87.246.224.175 172796s
A 87.246.224.176 172791s
A 87.246.224.177 172797s
A 87.246.224.178 172800s
A 87.246.224.179 172795s
A 87.246.224.18 172774s
A 87.246.224.180 172781s
A 87.246.224.181 172800s
A 87.246.224.182 172795s
A 87.246.224.183 172795s
A 87.246.224.184 172785s
A 87.246.224.185 172781s
A 87.246.224.186 172781s
A 87.246.224.187 172800s
A 87.246.224.188 172800s
A 87.246.224.189 172796s
A 87.246.224.19 172795s
A 87.246.224.190 172799s
A 87.246.224.191 172796s
A 87.246.224.192 172800s
A 87.246.224.193 172800s
A 87.246.224.194 172800s
A 87.246.224.195 172796s
A 87.246.224.196 172795s
A 87.246.224.197 172800s
A 87.246.224.198 172795s
A 87.246.224.199 172797s
A 87.246.224.2 172798s
A 87.246.224.20 172800s
A 87.246.224.200 172800s
A 87.246.224.201 172795s
A 87.246.224.202 172777s
A 87.246.224.203 172795s
A 87.246.224.204 172755s
A 87.246.224.205 172785s
A 87.246.224.206 172800s
A 87.246.224.207 172795s
A 87.246.224.208 172800s
A 87.246.224.209 172800s
A 87.246.224.21 172800s
A 87.246.224.210 172795s
A 87.246.224.211 172798s
A 87.246.224.212 172796s
A 87.246.224.213 172771s
A 87.246.224.214 172795s
A 87.246.224.215 172799s
A 87.246.224.216 172795s
A 87.246.224.217 172797s
A 87.246.224.218 172795s
A 87.246.224.219 172800s
A 87.246.224.22 172800s
A 87.246.224.220 172800s
A 87.246.224.221 172796s
A 87.246.224.222 172800s
A 87.246.224.223 172796s
A 87.246.224.224 172778s
A 87.246.224.225 172796s
A 87.246.224.226 172796s
A 87.246.224.227 172797s
A 87.246.224.228 172800s
A 87.246.224.229 172799s
A 87.246.224.23 172800s
A 87.246.224.230 172800s
A 87.246.224.231 172793s
A 87.246.224.232 172800s
A 87.246.224.233 172785s
A 87.246.224.234 172796s
A 87.246.224.235 172800s
A 87.246.224.236 172796s
A 87.246.224.237 172796s
A 87.246.224.238 172800s
A 87.246.224.239 172800s
A 87.246.224.24 172800s
A 87.246.224.240 172795s
A 87.246.224.241 172795s
A 87.246.224.242 172795s
A 87.246.224.243 172785s
A 87.246.224.244 172800s
A 87.246.224.245 172800s
A 87.246.224.246 172800s
A 87.246.224.247 172797s
A 87.246.224.248 172800s
A 87.246.224.249 172800s
A 87.246.224.25 172797s
A 87.246.224.250 172778s
A 87.246.224.251 172796s
A 87.246.224.252 172800s
A 87.246.224.253 172800s
A 87.246.224.254 172774s
A 87.246.224.255 172800s
A 87.246.224.26 172795s
A 87.246.224.27 172797s
A 87.246.224.28 172800s
A 87.246.224.29 172795s
A 87.246.224.3 172796s
A 87.246.224.30 172796s
A 87.246.224.31 172795s
A 87.246.224.32 172796s
A 87.246.224.33 172797s
A 87.246.224.34 172796s
A 87.246.224.35 172795s
A 87.246.224.36 172796s
A 87.246.224.37 172800s
A 87.246.224.38 172796s
A 87.246.224.39 172795s
A 87.246.224.4 172795s
A 87.246.224.40 172795s
A 87.246.224.41 172795s
A 87.246.224.42 172795s
A 87.246.224.43 172795s
A 87.246.224.44 172800s
A 87.246.224.45 172800s
A 87.246.224.46 172795s
A 87.246.224.47 172800s
A 87.246.224.48 172800s
A 87.246.224.49 172799s
A 87.246.224.5 172796s
A 87.246.224.50 172796s
A 87.246.224.51 172795s
A 87.246.224.52 172795s
A 87.246.224.53 172800s
A 87.246.224.54 172797s
A 87.246.224.55 172795s
A 87.246.224.56 172800s
A 87.246.224.57 172796s
A 87.246.224.58 172800s
A 87.246.224.59 172800s
A 87.246.224.6 172796s
A 87.246.224.60 172800s
A 87.246.224.61 172795s
A 87.246.224.62 172791s
A 87.246.224.63 172800s
A 87.246.224.64 172797s
A 87.246.224.65 172796s
A 87.246.224.66 172795s
A 87.246.224.67 172795s
A 87.246.224.68 172781s
A 87.246.224.69 172800s
A 87.246.224.7 172781s
A 87.246.224.70 172778s
A 87.246.224.71 172795s
A 87.246.224.72 172800s
A 87.246.224.73 172781s
A 87.246.224.74 172800s
A 87.246.224.75 172800s
A 87.246.224.76 172785s
A 87.246.224.77 172799s
A 87.246.224.78 172800s
A 87.246.224.79 172800s
A 87.246.224.8 172800s
A 87.246.224.80 172800s
A 87.246.224.81 172785s
A 87.246.224.82 172800s
A 87.246.224.83 172795s
A 87.246.224.84 172781s
A 87.246.224.85 172795s
A 87.246.224.86 172795s
A 87.246.224.87 172796s
A 87.246.224.88 172800s
A 87.246.224.89 172795s
A 87.246.224.9 172796s
A 87.246.224.90 172785s
A 87.246.224.91 172795s
A 87.246.224.92 172800s
A 87.246.224.93 172800s
A 87.246.224.94 172795s
A 87.246.224.95 172800s
A 87.246.224.96 172800s
A 87.246.224.97 172797s
A 87.246.224.98 172796s
A 87.246.224.99 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 87.246.224.153

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 87.246.224.153?

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

Where is 87.246.224.153 located?

The geolocation for 87.246.224.153 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 87.246.224.153 on?

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

Does 87.246.224.153 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 10:22:15 UTC
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