IP address 185.131.243.221

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Overview

LocationCity, region and country where this IP is located.
Aleksandrow, Lublin, PL
ASNThe autonomous system that announces this IP on the internet.
AS203937 — MAREK BZDZIUCH trading as CYFROTEL Sp. J.
TimezoneThe IANA time zone at this IP's location.
Europe/Warsaw
NetworkThe routed network block (CIDR) that contains this IP.
185.131.243.0/24
CompanyThe organization this IP is assigned to.
NET MAR MAREK BZDZIUCH
Abuse contactWhere to report spam, attacks or other misuse from this IP.
admin@cyfrotel.pl

Associated location

Aleksandrow

Lublin, Poland (PL)

Powered byIP Geolocation API

City
Aleksandrow
District / county
Powiat biłgorajski
State / province
Lublin
Country
Poland
Postal code
23
Coordinates
50.46711, 22.88292

Poland

50.46711, 22.88292

© Google Maps

Threat score

0/100 Low risk

Powered byIP Security API

Flags detected

  • AnonymousTraffic from this IP hides its real origin (VPN, proxy or Tor).Not Detected
  • Known AttackerThis IP has been seen in attacks such as brute force, scanning or exploits.Not Detected
  • SpamThis IP has been reported for sending spam.Not Detected
  • TorThis IP is a Tor exit node.Not Detected
  • ProxyThis IP is an open, public or commercial proxy.Not Detected
    Residential ProxyA home or mobile connection resold as a proxy exit.Not Detected
  • BotAutomated traffic such as crawlers or scrapers comes from this IP.Not Detected
    Known Good BotThis bot is a known, legitimate crawler, such as a search engine.Not Detected
  • VPNThis IP belongs to a VPN service.Not Detected
  • Cloud ProviderThis IP belongs to a cloud or hosting provider's data center.Not Detected
  • Corporate GatewayA shared egress gateway used by a company's network.Not Detected
  • RelayThis IP is a relay exit, such as iCloud Private Relay.Not Detected

No anonymity signals

This IP is not flagged as an attacker, spam source, Tor exit, VPN, proxy, relay, bot, cloud provider or corporate gateway.

Abuse contact

Abuse-C Role

admin@cyfrotel.pl

Powered byIP Abuse Contact API

Name
Abuse-C Role
Organization
—
Network
185.131.243.0/24
Country
PL
Kind
group
Address
CYFROTEL, ul. Tadeusza Kosciuszki 79, 23-400, Bilgoraj, POLAND
Emails
admin@cyfrotel.pl
Phone numbers
+48 731 731 261

Autonomous system

AS203937

MAREK BZDZIUCH trading as CYFROTEL Sp. J.

Powered byIP to ASN Database

ASN
AS203937
Country
PL
Domain
cyfrotel.pl
Regional registry
RIPE
Organization
MAREK BZDZIUCH trading as CYFROTEL Sp. J.
Type
Internet service provider (ISP)
Allocated on
2015-10-01

Organization

MAREK BZDZIUCH trading as CYFROTEL Sp. J.

AS203937 cyfrotel.pl ISP PL

Associated company

NET MAR MAREK BZDZIUCH

Powered byIP to Company Database

Name
NET MAR MAREK BZDZIUCH
Type
—
Domain
—

Network route

185.131.243.0/24

Powered byIP Geolocation API

Hostname
host-185-131-243-221.net-mar.eu
Route
185.131.243.0/24
Connection type
—
Anycast
No
CDN
No
CDN provider
—

Time zone

Europe/Warsaw

2026-11-14 09:27

Powered byTime Zone API

Offset from UTC
1.0
Standard time zone
Central European Standard Time
Standard abbreviation
CET
Daylight saving time
Yes
DST savings (hours)
0
Observing DST now
No
Aleksandrow

Europe/Warsaw

UTC1.0

User agent string

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

Powered byUser Agent API

  • BrowserClaudeBotver. 1.0
  • EngineClaudeBotver. 1.0
  • Operating systemCloud
  • DeviceRobotAnthropic ClaudeBot
  • ArchitectureUnknown
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Response 
{
  "ip" : "185.131.243.221",
  "hostname" : "host-185-131-243-221.net-mar.eu",
  "location" : {
    "continent_code" : "EU",
    "continent_name" : "Europe",
    "country_code2" : "PL",
    "country_code3" : "POL",
    "country_name" : "Poland",
    "country_name_official" : "Republic of Poland",
    "country_capital" : "Warsaw",
    "state_prov" : "Lublin",
    "state_code" : "PL-06",
    "district" : "Powiat biłgorajski",
    "city" : "Aleksandrow",
    "locality" : "Aleksandrow",
    "accuracy_radius" : "9.737",
    "confidence" : "high",
    "dma_code" : "",
    "zipcode" : "23",
    "latitude" : "50.46711",
    "longitude" : "22.88292",
    "is_eu" : true,
    "country_flag" : "https://ipgeolocation.io/static/flags/pl_64.png",
    "geoname_id" : "7531875",
    "country_emoji" : "🇵🇱"
  },
  "country_metadata" : {
    "calling_code" : "+48",
    "tld" : ".pl",
    "languages" : [ "pl" ]
  },
  "network" : {
    "connection_type" : "",
    "route" : "185.131.243.0/24",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "PLN",
    "name" : "Zloty",
    "symbol" : "zł"
  },
  "asn" : {
    "as_number" : "AS203937",
    "organization" : "MAREK BZDZIUCH trading as CYFROTEL Sp. J.",
    "country" : "PL",
    "type" : "ISP",
    "domain" : "cyfrotel.pl",
    "date_allocated" : "2015-10-01",
    "rir" : "RIPE"
  },
  "company" : {
    "name" : "NET MAR MAREK BZDZIUCH",
    "type" : "",
    "domain" : ""
  },
  "security" : {
    "threat_score" : 0,
    "is_tor" : false,
    "is_proxy" : false,
    "proxy_provider_names" : [ ],
    "proxy_confidence_score" : 0,
    "proxy_last_seen" : "",
    "proxy_days_seen_30d" : 0,
    "proxy_days_seen_7d" : 0,
    "proxy_provider_count_30d" : 0,
    "is_residential_proxy" : false,
    "is_vpn" : false,
    "vpn_provider_names" : [ ],
    "vpn_confidence_score" : 0,
    "vpn_last_seen" : "",
    "is_relay" : false,
    "relay_provider_name" : "",
    "is_anonymous" : false,
    "is_known_attacker" : false,
    "is_bot" : false,
    "bot_confidence_score" : 0,
    "bot_operator_name" : "",
    "bot_type" : "",
    "is_known_good_bot" : false,
    "bot_last_seen" : "",
    "is_spam" : false,
    "is_cloud_provider" : false,
    "cloud_provider_name" : "",
    "is_corporate_gateway" : false,
    "corporate_gateway_type" : "",
    "corporate_gateway_provider_name" : ""
  },
  "abuse" : {
    "route" : "185.131.243.0/24",
    "country" : "PL",
    "name" : "Abuse-C Role",
    "organization" : "",
    "kind" : "group",
    "address" : "CYFROTEL, ul. Tadeusza Kosciuszki 79, 23-400, Bilgoraj, POLAND",
    "emails" : [ "admin@cyfrotel.pl" ],
    "phone_numbers" : [ "+48731731261" ]
  },
  "time_zone" : {
    "name" : "Europe/Warsaw",
    "offset" : 1,
    "offset_with_dst" : 1,
    "current_time" : "2026-11-14 09:27:02.201+0100",
    "current_time_unix" : 1.794644822201E9,
    "current_tz_abbreviation" : "CET",
    "current_tz_full_name" : "Central European Standard Time",
    "standard_tz_abbreviation" : "CET",
    "standard_tz_full_name" : "Central European Standard Time",
    "is_dst" : false,
    "dst_savings" : 0,
    "dst_exists" : true,
    "dst_tz_abbreviation" : "CEST",
    "dst_tz_full_name" : "Central European Summer Time",
    "dst_start" : {
      "utc_time" : "2027-03-28 TIME 01:00",
      "duration" : "+1.00H",
      "gap" : true,
      "date_time_after" : "2027-03-28 TIME 03:00",
      "date_time_before" : "2027-03-28 TIME 02:00",
      "overlap" : false
    },
    "dst_end" : {
      "utc_time" : "2027-10-31 TIME 01:00",
      "duration" : "-1.00H",
      "gap" : false,
      "date_time_after" : "2027-10-31 TIME 02:00",
      "date_time_before" : "2027-10-31 TIME 03:00",
      "overlap" : true
    }
  },
  "user_agent" : {
    "user_agent_string" : "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)",
    "name" : "ClaudeBot",
    "type" : "Robot",
    "version" : "1.0",
    "version_major" : "1",
    "device" : {
      "name" : "Anthropic ClaudeBot",
      "type" : "Robot",
      "brand" : "Anthropic",
      "cpu" : "Unknown"
    },
    "engine" : {
      "name" : "ClaudeBot",
      "type" : "Robot",
      "version" : "1.0",
      "version_major" : "1"
    },
    "operating_system" : {
      "name" : "Cloud",
      "type" : "Cloud",
      "version" : "??",
      "version_major" : "??",
      "build" : "??"
    }
  }
}

Evaluation Checklist

Behind the address

What the data tells you about 185.131.243.221.

Who operates 185.131.243.221?

MAREK BZDZIUCH trading as CYFROTEL Sp. J. operates AS203937, the autonomous system announcing this address. The associated company is NET MAR MAREK BZDZIUCH; the reported network is 185.131.243.0/24.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when MAREK BZDZIUCH trading as CYFROTEL Sp. J. reassigns the block, so treat Aleksandrow as an estimate, not a fixed point.

View IP Geolocation API

How do I report abuse?

The listed abuse contact is Abuse-C Role. Include the source IP, timestamps with a timezone, and relevant logs so the contact can investigate.

View Abuse Contact API

For developers

The same data. One API request.

Add IP location, network, and security data to your application.

cURL 
curl --get 'https://api.ipgeolocation.io/v3/ipgeo' \
  --data-urlencode 'apiKey=YOUR_API_KEY' \
  --data-urlencode 'ip=185.131.243.221' \
  --data-urlencode 'include=*'
Response 
{ "ip": "185.131.243.221" }

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Location, ASN, and time zone in one request. Get city, country, and currency data for any IPv4 or IPv6 address, backed by a 99.99% uptime SLA. No credit card required.

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Frequently Asked Questions

The latest lookup maps 185.131.243.221 to Aleksandrow, Lublin, Poland. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS203937 and company NET MAR MAREK BZDZIUCH. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 185.131.243.221 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 185.131.243.221 is Europe/Warsaw. Teams commonly use this signal to localize timestamps, notifications, and fraud models.
IP intelligence is dynamic. Routing, ASN ownership, company names, and security posture can change over time, so this page should be treated as a point-in-time lookup for 185.131.243.221.
Use the JSON response on this page for testing, then move to production API workflows with structured fields for geolocation, network, ASN, security, abuse, and timezone data. Read documentation.