IP address 152.117.16.133

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Overview

LocationCity, region and country where this IP is located.
Belgrade, Central Serbia, RS
ASNThe autonomous system that announces this IP on the internet.
AS44143 — A1 Srbija d.o.o. Beograd
TimezoneThe IANA time zone at this IP's location.
Europe/Belgrade
NetworkThe routed network block (CIDR) that contains this IP.
152.117.16.0/21
CompanyThe organization this IP is assigned to.
A1 Srbija d.o.o. Beograd
Abuse contactWhere to report spam, attacks or other misuse from this IP.
zloupotreba@a1.rs

Associated location

Belgrade

Central Serbia, Serbia (RS)

Powered byIP Geolocation API

City
Belgrade
District / county
City of Belgrade
State / province
Central Serbia
Country
Serbia
Postal code
11102
Coordinates
44.81254, 20.46123

Serbia

44.81254, 20.46123

© 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

A1 SERBIA ABUSE-C

zloupotreba@a1.rs

Powered byIP Abuse Contact API

Name
A1 SERBIA ABUSE-C
Organization
ORG-NCC1-RIPE
Network
152.117.16.0/21
Country
RS
Kind
group
Address
MILUTINA MILANKOVICA 1z, BELGRADE, SERBIA
Emails
zloupotreba@a1.rs
Phone numbers
+381 60 2254141

Autonomous system

AS44143

A1 Srbija d.o.o. Beograd

Powered byIP to ASN Database

ASN
AS44143
Country
RS
Domain
a1.rs
Regional registry
RIPE
Organization
A1 Srbija d.o.o. Beograd
Type
Internet service provider (ISP)
Allocated on
2007-11-23

Organization

A1 Srbija d.o.o. Beograd

AS44143 a1.rs ISP RS

Associated company

A1 Srbija d.o.o. Beograd

ISP · a1.rs

Powered byIP to Company Database

Name
A1 Srbija d.o.o. Beograd
Type
Internet service provider (ISP)
Domain
a1.rs

Network route

152.117.16.0/21

Powered byIP Geolocation API

Hostname
152.117.16.133
Route
152.117.16.0/21
Connection type
—
Anycast
No
CDN
No
CDN provider
—

Time zone

Europe/Belgrade

2026-10-21 05:56

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)
1
Observing DST now
Yes
Belgrade

Europe/Belgrade

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" : "152.117.16.133",
  "hostname" : "152.117.16.133",
  "location" : {
    "district" : "City of Belgrade",
    "city" : "Belgrade",
    "locality" : "Belgrade",
    "zipcode" : "11102",
    "latitude" : "44.81254",
    "longitude" : "20.46123",
    "continent_code" : "EU",
    "continent_name" : "Europe",
    "country_code2" : "RS",
    "country_code3" : "SRB",
    "country_name" : "Serbia",
    "country_name_official" : "Republic of Serbia",
    "country_capital" : "Belgrade",
    "state_prov" : "Central Serbia",
    "state_code" : "RS-00",
    "accuracy_radius" : "7.824",
    "confidence" : "high",
    "dma_code" : "",
    "is_eu" : false,
    "country_flag" : "https://ipgeolocation.io/static/flags/rs_64.png",
    "geoname_id" : "9949746",
    "country_emoji" : "🇷🇸"
  },
  "country_metadata" : {
    "tld" : ".rs",
    "languages" : [ "sr", "hu", "bs", "rom" ],
    "calling_code" : "+381"
  },
  "network" : {
    "route" : "152.117.16.0/21",
    "connection_type" : "",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "RSD",
    "name" : "Serbian Dinar",
    "symbol" : "din"
  },
  "asn" : {
    "organization" : "A1 Srbija d.o.o. Beograd",
    "country" : "RS",
    "type" : "ISP",
    "domain" : "a1.rs",
    "rir" : "RIPE",
    "as_number" : "AS44143",
    "date_allocated" : "2007-11-23"
  },
  "company" : {
    "name" : "A1 Srbija d.o.o. Beograd",
    "type" : "ISP",
    "domain" : "a1.rs"
  },
  "security" : {
    "threat_score" : 0,
    "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" : false,
    "is_cloud_provider" : false,
    "cloud_provider_name" : "",
    "is_corporate_gateway" : false,
    "corporate_gateway_type" : "",
    "corporate_gateway_provider_name" : ""
  },
  "abuse" : {
    "route" : "152.117.16.0/21",
    "country" : "RS",
    "name" : "A1 SERBIA ABUSE-C",
    "organization" : "ORG-NCC1-RIPE",
    "kind" : "group",
    "address" : "MILUTINA MILANKOVICA 1z, BELGRADE, SERBIA",
    "emails" : [ "zloupotreba@a1.rs" ],
    "phone_numbers" : [ "+381602254141" ]
  },
  "time_zone" : {
    "name" : "Europe/Belgrade",
    "offset" : 1.0,
    "offset_with_dst" : 2.0,
    "current_time" : "2026-10-21 05:56:01.658+0200",
    "current_time_unix" : 1.792554961658E9,
    "current_tz_abbreviation" : "CEST",
    "current_tz_full_name" : "Central European Summer Time",
    "standard_tz_abbreviation" : "CET",
    "standard_tz_full_name" : "Central European Standard Time",
    "is_dst" : true,
    "dst_savings" : 1,
    "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 152.117.16.133.

Who operates 152.117.16.133?

A1 Srbija d.o.o. Beograd operates AS44143, the autonomous system announcing this address. The associated company is A1 Srbija d.o.o. Beograd; the reported network is 152.117.16.0/21.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when A1 Srbija d.o.o. Beograd reassigns the block, so treat Belgrade as an estimate, not a fixed point.

View IP Location API

How do I report abuse?

The listed abuse contact is A1 SERBIA ABUSE-C. 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=152.117.16.133' \
  --data-urlencode 'include=*'
Response 
{ "ip": "152.117.16.133" }

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Frequently Asked Questions

The latest lookup maps 152.117.16.133 to Belgrade, Central Serbia, Serbia. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS44143 and company A1 Srbija d.o.o. Beograd. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 152.117.16.133 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 152.117.16.133 is Europe/Belgrade. 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 152.117.16.133.
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.