IP address 37.63.16.210

IPv6:Not Detected

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Overview

LocationCity, region and country where this IP is located.
Varna, BG
ASNThe autonomous system that announces this IP on the internet.
AS12716 — A1 Bulgaria EAD
TimezoneThe IANA time zone at this IP's location.
Europe/Sofia
NetworkThe routed network block (CIDR) that contains this IP.
37.63.16.0/22
CompanyThe organization this IP is assigned to.
A1 Bulgaria EAD
Abuse contactWhere to report spam, attacks or other misuse from this IP.
ripe.abuse@a1.bg

Associated location

Varna

Bulgaria (BG)

Powered byIP Geolocation API

City
Varna
District / county
Obshtina Varna
State / province
Varna
Country
Bulgaria
Postal code
9002
Coordinates
43.21405, 27.91473

Bulgaria

43.21405, 27.91473

© Google Maps

Threat score

45/100 Medium risk

Powered byIP Security API

Flags detected

  • AnonymousTraffic from this IP hides its real origin (VPN, proxy or Tor).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.Detected
  • VPNThis IP belongs to a VPN service.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
  • Cloud providerThis IP belongs to a cloud or hosting provider's data center.Not Detected
  • Residential proxyA home or mobile connection resold as a proxy exit.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

Proxy

Detected
Residential Proxy
Provider Names
WebShare, ProxyScrape, Proxy-Seller
Last Seen
2026-10-07
Confidence Score
99 %

Abuse contact

A1 Bulgaria EAD Abuse

ripe.abuse@a1.bg

Powered byIP Abuse Contact API

Name
A1 Bulgaria EAD Abuse
Organization
ORG-IL1-RIPE
Network
37.63.16.0/22
Country
BG
Kind
group
Address
1 Kukush Str. 1345, Sofia, Bulgaria
Emails
ripe.abuse@a1.bg
Phone numbers
+35988220

Autonomous system

AS12716

A1 Bulgaria EAD

Powered byIP to ASN Database

ASN
AS12716
Country
BG
Domain
a1.bg
Regional registry
RIPE
Organization
A1 Bulgaria EAD
Type
Internet service provider (ISP)
Allocated on
2002-08-19

Organization

A1 Bulgaria EAD

RIPE AS12716 a1.bg ISP BG

Associated company

A1 Bulgaria EAD

ISP · a1.bg

Powered byIP to Company Database

Name
A1 Bulgaria EAD
Type
Internet service provider (ISP)
Domain
a1.bg

Network route

37.63.16.0/22

Powered byIP Geolocation API

Hostname
37.63.16.210
Route
37.63.16.0/22
Connection type
—
Anycast
false
CDN
false
CDN provider
—

Time zone

Europe/Sofia

2026-10-13 17:56

Powered byTime Zone API

Offset from UTC
2.0
Standard time zone
Eastern European Standard Time
Standard abbreviation
EET
Daylight saving time
true
DST savings (hours)
1
Observing DST now
true
Varna Europe/Sofia UTC2.0

Bulgaria

43.21405, 27.91473

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" : "37.63.16.210",
  "hostname" : "37.63.16.210",
  "location" : {
    "district" : "Obshtina Varna",
    "city" : "Varna",
    "locality" : "Varna",
    "zipcode" : "9002",
    "latitude" : "43.21405",
    "longitude" : "27.91473",
    "continent_code" : "EU",
    "continent_name" : "Europe",
    "country_code2" : "BG",
    "country_code3" : "BGR",
    "country_name" : "Bulgaria",
    "country_name_official" : "Republic of Bulgaria",
    "country_capital" : "Sofia",
    "state_prov" : "Varna",
    "state_code" : "BG-03",
    "accuracy_radius" : "6.227",
    "confidence" : "high",
    "dma_code" : "",
    "is_eu" : true,
    "country_flag" : "https://ipgeolocation.io/static/flags/bg_64.png",
    "geoname_id" : "12110723",
    "country_emoji" : "🇧🇬"
  },
  "country_metadata" : {
    "tld" : ".bg",
    "languages" : [ "bg", "tr-BG", "rom" ],
    "calling_code" : "+359"
  },
  "network" : {
    "route" : "37.63.16.0/22",
    "connection_type" : "",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "BGN",
    "name" : "Bulgarian Lev",
    "symbol" : "лв"
  },
  "asn" : {
    "organization" : "A1 Bulgaria EAD",
    "country" : "BG",
    "type" : "ISP",
    "domain" : "a1.bg",
    "rir" : "RIPE",
    "as_number" : "AS12716",
    "date_allocated" : "2002-08-19"
  },
  "company" : {
    "name" : "A1 Bulgaria EAD",
    "type" : "ISP",
    "domain" : "a1.bg"
  },
  "security" : {
    "threat_score" : 45,
    "is_tor" : false,
    "is_proxy" : true,
    "proxy_provider_names" : [ "WebShare", "ProxyScrape", "Proxy-Seller", "BestProxy", "ProxyShare", "Databay", "Kocerroxy" ],
    "proxy_confidence_score" : 99,
    "proxy_last_seen" : "2026-10-07",
    "is_residential_proxy" : true,
    "is_vpn" : false,
    "vpn_provider_names" : [ ],
    "vpn_confidence_score" : 0,
    "vpn_last_seen" : "",
    "is_relay" : false,
    "relay_provider_name" : "",
    "is_anonymous" : true,
    "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" : "37.63.16.0/22",
    "country" : "BG",
    "name" : "A1 Bulgaria EAD Abuse",
    "organization" : "ORG-IL1-RIPE",
    "kind" : "group",
    "address" : "1 Kukush Str. 1345, Sofia, Bulgaria",
    "emails" : [ "ripe.abuse@a1.bg" ],
    "phone_numbers" : [ "+35988220" ]
  },
  "time_zone" : {
    "name" : "Europe/Sofia",
    "offset" : 2.0,
    "offset_with_dst" : 3.0,
    "current_time" : "2026-10-13 17:56:52.337+0300",
    "current_time_unix" : 1.791903412337E9,
    "current_tz_abbreviation" : "EEST",
    "current_tz_full_name" : "Eastern European Summer Time",
    "standard_tz_abbreviation" : "EET",
    "standard_tz_full_name" : "Eastern European Standard Time",
    "is_dst" : true,
    "dst_savings" : 1,
    "dst_exists" : true,
    "dst_tz_abbreviation" : "EEST",
    "dst_tz_full_name" : "Eastern 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 04:00",
      "date_time_before" : "2026-03-29 TIME 03:00",
      "overlap" : false
    },
    "dst_end" : {
      "utc_time" : "2026-10-25 TIME 01:00",
      "duration" : "-1.00H",
      "gap" : false,
      "date_time_after" : "2026-10-25 TIME 03:00",
      "date_time_before" : "2026-10-25 TIME 04:00",
      "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 37.63.16.210.

Who operates 37.63.16.210?

A1 Bulgaria EAD operates AS12716, the autonomous system announcing this address. The associated company is A1 Bulgaria EAD; the reported network is 37.63.16.0/22.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when A1 Bulgaria EAD reassigns the block, so treat Varna as an estimate, not a fixed point.

View IP Location API

How do I report abuse?

The listed abuse contact is A1 Bulgaria EAD Abuse. 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=37.63.16.210' \
  --data-urlencode 'include=*'
Response 
{ "ip": "37.63.16.210" }

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Frequently Asked Questions

The latest lookup maps 37.63.16.210 to Varna, Varna, Bulgaria. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS12716 and company A1 Bulgaria EAD. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 37.63.16.210 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 37.63.16.210 is Europe/Sofia. 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 37.63.16.210.
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.