IP address 138.249.121.83

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Overview

LocationCity, region and country where this IP is located.
Prague, CZ
ASNThe autonomous system that announces this IP on the internet.
AS51396 — Pfcloud UG haftungsbeschrankt
TimezoneThe IANA time zone at this IP's location.
Europe/Prague
NetworkThe routed network block (CIDR) that contains this IP.
138.249.121.0/24
CompanyThe organization this IP is assigned to.
Online Connect Ltd
Abuse contactWhere to report spam, attacks or other misuse from this IP.
host@onlineconnect.ltd

Associated location

Prague

Czech Republic (CZ)

Powered byIP Geolocation API

City
Prague
District / county
Hlavní město Praha
State / province
Prague
Country
Czech Republic
Postal code
143 00
Coordinates
50.00393, 14.41719

Czech Republic

50.00393, 14.41719

© Google Maps

Threat score

15/100 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.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.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

Spam

Detected

This IP has been reported for sending spam.

Cloud Provider

Detected
Provider Names
Pfcloud UG haftungsbeschrankt

Abuse contact

Online Connect Ltd

host@onlineconnect.ltd

Powered byIP Abuse Contact API

Name
Online Connect Ltd
Organization
—
Network
138.249.121.0/24
Country
GB
Kind
group
Address
167-169 Great Portland Street, Fifth Floor, W1W 5PF London, United Kingdom
Emails
host@onlineconnect.ltd
Phone numbers
—

Autonomous system

AS51396

Pfcloud UG haftungsbeschrankt

Powered byIP to ASN Database

ASN
AS51396
Country
DE
Domain
pfcloud.io
Regional registry
RIPE
Organization
Pfcloud UG haftungsbeschrankt
Type
Internet service provider (ISP)
Allocated on
2023-12-08

Organization

Pfcloud UG haftungsbeschrankt

AS51396 pfcloud.io ISP DE

Associated company

Online Connect Ltd

BUSINESS · connectonline.uk

Powered byIP to Company Database

Name
Online Connect Ltd
Type
Business
Domain
connectonline.uk

Network route

138.249.121.0/24

Powered byIP Geolocation API

Hostname
138.249.121.83
Route
138.249.121.0/24
Connection type
—
Anycast
No
CDN
No
CDN provider
—

Time zone

Europe/Prague

2026-10-25 20:06

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
Prague

Europe/Prague

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" : "138.249.121.83",
  "hostname" : "138.249.121.83",
  "location" : {
    "district" : "Hlavní město Praha",
    "city" : "Prague",
    "locality" : "Prague",
    "zipcode" : "143 00",
    "latitude" : "50.00393",
    "longitude" : "14.41719",
    "continent_code" : "EU",
    "continent_name" : "Europe",
    "country_code2" : "CZ",
    "country_code3" : "CZE",
    "country_name" : "Czech Republic",
    "country_name_official" : "Czech Republic",
    "country_capital" : "Prague",
    "state_prov" : "Prague",
    "state_code" : "CZ-PR",
    "accuracy_radius" : "3.484",
    "confidence" : "high",
    "dma_code" : "",
    "is_eu" : true,
    "country_flag" : "https://ipgeolocation.io/static/flags/cz_64.png",
    "geoname_id" : "6533494",
    "country_emoji" : "🇨🇿"
  },
  "country_metadata" : {
    "tld" : ".cz",
    "languages" : [ "cs", "sk" ],
    "calling_code" : "+420"
  },
  "network" : {
    "route" : "138.249.121.0/24",
    "connection_type" : "",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "CZK",
    "name" : "Czech Koruna",
    "symbol" : "Kč"
  },
  "asn" : {
    "organization" : "Pfcloud UG haftungsbeschrankt",
    "country" : "DE",
    "type" : "ISP",
    "domain" : "pfcloud.io",
    "rir" : "RIPE",
    "as_number" : "AS51396",
    "date_allocated" : "2023-12-08"
  },
  "company" : {
    "name" : "Online Connect Ltd",
    "type" : "BUSINESS",
    "domain" : "connectonline.uk"
  },
  "security" : {
    "threat_score" : 15,
    "is_tor" : false,
    "is_proxy" : false,
    "proxy_provider_names" : [ ],
    "proxy_confidence_score" : 0,
    "proxy_last_seen" : "",
    "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" : true,
    "is_cloud_provider" : true,
    "cloud_provider_name" : "Pfcloud UG haftungsbeschrankt",
    "is_corporate_gateway" : false,
    "corporate_gateway_type" : "",
    "corporate_gateway_provider_name" : ""
  },
  "abuse" : {
    "route" : "138.249.121.0/24",
    "country" : "GB",
    "name" : "Online Connect Ltd",
    "organization" : "",
    "kind" : "group",
    "address" : "167-169 Great Portland Street, Fifth Floor, W1W 5PF London, United Kingdom",
    "emails" : [ "host@onlineconnect.ltd" ],
    "phone_numbers" : [ ]
  },
  "time_zone" : {
    "name" : "Europe/Prague",
    "offset" : 1.0,
    "offset_with_dst" : 1.0,
    "current_time" : "2026-10-25 20:06:49.524+0100",
    "current_time_unix" : 1.792955209524E9,
    "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" : "2026-03-29 TIME 01:00",
      "duration" : "+1.00H",
      "gap" : true,
      "date_time_after" : "2026-03-29 TIME 03:00",
      "date_time_before" : "2026-03-29 TIME 02:00",
      "overlap" : false
    },
    "dst_end" : {
      "utc_time" : "2026-10-25 TIME 01:00",
      "duration" : "-1.00H",
      "gap" : false,
      "date_time_after" : "2026-10-25 TIME 02:00",
      "date_time_before" : "2026-10-25 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" : "??",
      "build" : "??",
      "version_major" : "??"
    }
  }
}

Evaluation Checklist

Behind the address

What the data tells you about 138.249.121.83.

Who operates 138.249.121.83?

Pfcloud UG haftungsbeschrankt operates AS51396, the autonomous system announcing this address. The associated company is Online Connect Ltd; the reported network is 138.249.121.0/24.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when Pfcloud UG haftungsbeschrankt reassigns the block, so treat Prague as an estimate, not a fixed point.

View IP Location API

How do I report abuse?

The listed abuse contact is Online Connect Ltd. 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=138.249.121.83' \
  --data-urlencode 'include=*'
Response 
{ "ip": "138.249.121.83" }

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Frequently Asked Questions

The latest lookup maps 138.249.121.83 to Prague, Prague, Czech Republic. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS51396 and company Online Connect Ltd. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 138.249.121.83 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 138.249.121.83 is Europe/Prague. 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 138.249.121.83.
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.