IP address 87.81.115.143

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Overview

LocationCity, region and country where this IP is located.
London, England, GB
ASNThe autonomous system that announces this IP on the internet.
AS2856 — British Telecommunications Limited
TimezoneThe IANA time zone at this IP's location.
Europe/London
NetworkThe routed network block (CIDR) that contains this IP.
87.81.112.0/20
CompanyThe organization this IP is assigned to.
Company 6a8c1c62X3hxWkxa
Abuse contactWhere to report spam, attacks or other misuse from this IP.
report@abuseradar.com

Associated location

London

England, United Kingdom (GB)

Powered byIP Geolocation API

City
London
District / county
Greater London
State / province
England
Country
United Kingdom
Postal code
E14 9NN
Coordinates
51.49469, -0.01834

United Kingdom

51.49469, -0.01834

© 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

Private Customer

report@abuseradar.com

Powered byIP Abuse Contact API

Name
Private Customer
Organization
—
Network
87.81.112.0/20
Country
GB
Kind
group
Address
Private Residence
Emails
report@abuseradar.com
Phone numbers
—

Autonomous system

AS2856

British Telecommunications Limited

Powered byIP to ASN Database

ASN
AS2856
Country
GB
Domain
bt.com
Regional registry
RIPE
Organization
British Telecommunications Limited
Type
Internet service provider (ISP)
Allocated on
2002-08-30

Organization

British Telecommunications Limited

AS2856 bt.com ISP GB

Associated company

Company 6a8c1c62X3hxWkxa

Powered byIP to Company Database

Name
Company 6a8c1c62X3hxWkxa
Type
—
Domain
—

Network route

87.81.112.0/20

Powered byIP Geolocation API

Hostname
87.81.115.143
Route
87.81.112.0/20
Connection type
—
Anycast
No
CDN
No
CDN provider
—

Time zone

Europe/London

2026-11-14 05:00

Powered byTime Zone API

Offset from UTC
0.0
Standard time zone
Greenwich Mean Time
Standard abbreviation
GMT
Daylight saving time
Yes
DST savings (hours)
0
Observing DST now
No
London

Europe/London

UTC0.0

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" : "87.81.115.143",
  "hostname" : "87.81.115.143",
  "location" : {
    "continent_code" : "EU",
    "continent_name" : "Europe",
    "country_code2" : "GB",
    "country_code3" : "GBR",
    "country_name" : "United Kingdom",
    "country_name_official" : "United Kingdom of Great Britain and Northern Ireland",
    "country_capital" : "London",
    "state_prov" : "England",
    "state_code" : "GB-ENG",
    "district" : "Greater London",
    "city" : "London",
    "locality" : "London",
    "accuracy_radius" : "8.147",
    "confidence" : "high",
    "dma_code" : "",
    "zipcode" : "E14 9NN",
    "latitude" : "51.49469",
    "longitude" : "-0.01834",
    "is_eu" : false,
    "country_flag" : "https://ipgeolocation.io/static/flags/gb_64.png",
    "geoname_id" : "9613570",
    "country_emoji" : "🇬🇧"
  },
  "country_metadata" : {
    "calling_code" : "+44",
    "tld" : ".uk",
    "languages" : [ "en-GB", "cy-GB", "gd" ]
  },
  "network" : {
    "connection_type" : "",
    "route" : "87.81.112.0/20",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "GBP",
    "name" : "Pound Sterling",
    "symbol" : "£"
  },
  "asn" : {
    "as_number" : "AS2856",
    "organization" : "British Telecommunications Limited",
    "country" : "GB",
    "type" : "ISP",
    "domain" : "bt.com",
    "date_allocated" : "2002-08-30",
    "rir" : "RIPE"
  },
  "company" : {
    "name" : "Company 6a8c1c62X3hxWkxa",
    "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" : "87.81.112.0/20",
    "country" : "GB",
    "name" : "Private Customer",
    "organization" : "",
    "kind" : "group",
    "address" : "Private Residence",
    "emails" : [ "report@abuseradar.com" ],
    "phone_numbers" : [ ]
  },
  "time_zone" : {
    "name" : "Europe/London",
    "offset" : 0,
    "offset_with_dst" : 0,
    "current_time" : "2026-11-14 05:00:33.083+0000",
    "current_time_unix" : 1.794632433083E9,
    "current_tz_abbreviation" : "GMT",
    "current_tz_full_name" : "Greenwich Mean Time",
    "standard_tz_abbreviation" : "GMT",
    "standard_tz_full_name" : "Greenwich Mean Time",
    "is_dst" : false,
    "dst_savings" : 0,
    "dst_exists" : true,
    "dst_tz_abbreviation" : "BST",
    "dst_tz_full_name" : "British Summer Time",
    "dst_start" : {
      "utc_time" : "2027-03-28 TIME 01:00",
      "duration" : "+1.00H",
      "gap" : true,
      "date_time_after" : "2027-03-28 TIME 02:00",
      "date_time_before" : "2027-03-28 TIME 01:00",
      "overlap" : false
    },
    "dst_end" : {
      "utc_time" : "2027-10-31 TIME 01:00",
      "duration" : "-1.00H",
      "gap" : false,
      "date_time_after" : "2027-10-31 TIME 01:00",
      "date_time_before" : "2027-10-31 TIME 02:00",
      "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 87.81.115.143.

Who operates 87.81.115.143?

British Telecommunications Limited operates AS2856, the autonomous system announcing this address. The associated company is Company 6a8c1c62X3hxWkxa; the reported network is 87.81.112.0/20.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when British Telecommunications Limited reassigns the block, so treat London as an estimate, not a fixed point.

View IP Geolocation API

How do I report abuse?

The listed abuse contact is Private Customer. 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=87.81.115.143' \
  --data-urlencode 'include=*'
Response 
{ "ip": "87.81.115.143" }

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Frequently Asked Questions

The latest lookup maps 87.81.115.143 to London, England, United Kingdom. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS2856 and company Company 6a8c1c62X3hxWkxa. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 87.81.115.143 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 87.81.115.143 is Europe/London. 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 87.81.115.143.
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.