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CIDR
/21 · 2.0K IPs
ASN
Maria Curie-Sklodowska University
Reverse DNS
karko.ae1x136.dhiblang.lubman.net.pl
Last scanned 9 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)
karko.ae1x136.dhiblang.lubman.net.pl
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
86400 s
Reverse DNS last checked
2026-09-14 10:08 UTC
Forward DNS last checked
2026-09-14 10:08 UTC

Forward DNS records for karko.ae1x136.dhiblang.lubman.net.pl

TypeValuePriorityTTL
A 212.182.90.128 172800s
A 212.182.90.130 172800s
A 212.182.90.131 172800s
A 212.182.90.132 172800s
A 212.182.90.133 172800s
A 212.182.90.134 172800s
A 212.182.90.135 172800s
A 212.182.90.136 172800s
A 212.182.90.137 172800s
A 212.182.90.138 172800s
A 212.182.90.139 21600s
A 212.182.90.140 172800s
A 212.182.90.141 21600s
A 212.182.90.142 172800s
A 212.182.90.143 21600s
A 212.182.90.144 172800s
A 212.182.90.145 172800s
A 212.182.90.146 172800s
A 212.182.90.147 172800s
A 212.182.90.148 172800s
A 212.182.90.149 21600s
A 212.182.90.150 21600s
A 212.182.90.151 172800s
A 212.182.90.152 172800s
A 212.182.90.153 172800s
A 212.182.90.154 172800s
A 212.182.90.155 172800s
A 212.182.90.156 172800s
A 212.182.90.157 172800s
A 212.182.90.158 172800s
A 212.182.90.159 21600s
A 212.182.90.160 172800s
A 212.182.90.161 172800s
A 212.182.90.162 172800s
A 212.182.90.163 172800s
A 212.182.90.164 172800s
A 212.182.90.165 172800s
A 212.182.90.166 172800s
A 212.182.90.167 172800s
A 212.182.90.168 21600s
A 212.182.90.169 172800s
A 212.182.90.170 172800s
A 212.182.90.171 172800s
A 212.182.90.172 21600s
A 212.182.90.173 172800s
A 212.182.90.174 172800s
A 212.182.90.175 172800s
A 212.182.90.176 172800s
A 212.182.90.177 172800s
A 212.182.90.178 172800s
A 212.182.90.179 172800s
A 212.182.90.180 172800s
A 212.182.90.181 172800s
A 212.182.90.182 172800s
A 212.182.90.183 21600s
A 212.182.90.184 21600s
A 212.182.90.185 172794s
A 212.182.90.186 172800s
A 212.182.90.187 21600s
A 212.182.90.188 21600s
A 212.182.90.189 172800s
A 212.182.90.190 172800s
A 212.182.90.191 172800s
A 212.182.90.192 21600s
A 212.182.90.193 172800s
A 212.182.90.194 172800s
A 212.182.90.195 172800s
A 212.182.90.196 172800s
A 212.182.90.197 21600s
A 212.182.90.198 172800s
A 212.182.90.199 21600s
A 212.182.90.200 172800s
A 212.182.90.201 172800s
A 212.182.90.202 172800s
A 212.182.90.203 172800s
A 212.182.90.204 21600s
A 212.182.90.205 172800s
A 212.182.90.206 172800s
A 212.182.90.207 21600s
A 212.182.90.208 172794s
A 212.182.90.209 172800s
A 212.182.90.210 172800s
A 212.182.90.211 172800s
A 212.182.90.212 172800s
A 212.182.90.213 172800s
A 212.182.90.214 172800s
A 212.182.90.215 172800s
A 212.182.90.216 172800s
A 212.182.90.217 172800s
A 212.182.90.218 172800s
A 212.182.90.219 172800s
A 212.182.90.220 172800s
A 212.182.90.221 172800s
A 212.182.90.222 172800s
A 212.182.90.223 172800s
A 212.182.90.224 172800s
A 212.182.90.225 21600s
A 212.182.90.226 21600s
A 212.182.90.227 172800s
A 212.182.90.228 21600s
A 212.182.90.229 172800s
A 212.182.90.230 172800s
A 212.182.90.231 172800s
A 212.182.90.232 172800s
A 212.182.90.233 172800s
A 212.182.90.234 21600s
A 212.182.90.235 172800s
A 212.182.90.236 172800s
A 212.182.90.237 172692s
A 212.182.90.238 21600s
A 212.182.90.239 21600s
A 212.182.90.240 172800s
A 212.182.90.241 172800s
A 212.182.90.242 172800s
A 212.182.90.243 172800s
A 212.182.90.244 172800s
A 212.182.90.245 172800s
A 212.182.90.246 172800s
A 212.182.90.247 172800s
A 212.182.90.248 172800s
A 212.182.90.249 172800s
A 212.182.90.250 172800s
A 212.182.90.251 172800s
A 212.182.90.252 21600s
A 212.182.90.253 172800s
A 212.182.90.254 172800s
A 212.182.90.255 172800s
A 87.246.229.168 172800s
A 87.246.229.170 172800s
A 87.246.229.171 172800s
A 87.246.229.172 172800s
A 87.246.229.173 172800s
A 87.246.229.174 172800s
A 87.246.229.175 21600s
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 212.182.90.220

CIDR range
212.182.88.0/21
IP range (int)
3,568,719,872 — 3,568,721,919
Prefix length
/21
Organization
Maria Curie-Sklodowska University
ASN
AS12346
ASN name
Maria Curie-Sklodowska University
Location
Jakubowice Końskie, Lublin, Poland
Coordinates
51.323600, 22.535000
Accuracy radius
5 km
Postal code
21-003
Regional Internet Registry
RIPE
Allocated
1999-03-03
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-09-14 05:26:12

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

Announced prefix
Origin AS
Announcement samples
29,643
Last seen
2026-09-14 18:28:55

Frequently Asked Questions

Who owns 212.182.90.220?

212.182.90.220 is allocated to Maria Curie-Sklodowska University (AS12346), registered in Jakubowice Końskie, Poland.

Where is 212.182.90.220 located?

The geolocation for 212.182.90.220 maps to Jakubowice Końskie, 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 212.182.90.220 on?

212.182.90.220 belongs to the 212.182.88.0/21 network block announced by AS12346. This range contains 2,048 addresses.

Does 212.182.90.220 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 19:09:10 UTC
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