IP address 81.20.244.31

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Overview

LocationCity, region and country where this IP is located.
Horta, Azores, PT
ASNThe autonomous system that announces this IP on the internet.
AS2860 — NOS Comunicações, S.A.
TimezoneThe IANA time zone at this IP's location.
Atlantic/Azores
NetworkThe routed network block (CIDR) that contains this IP.
81.20.244.0/22
CompanyThe organization this IP is assigned to.
NOS ACORES COMUNICACOES, S.A.
Abuse contactWhere to report spam, attacks or other misuse from this IP.
abuse@nos-acores.pt

Associated location

Horta

Azores, Portugal (PT)

Powered byIP Geolocation API

City
Horta
District / county
Horta
State / province
Azores
Country
Portugal
Postal code
9900
Coordinates
38.53485, -28.62998

Portugal

38.53485, -28.62998

© 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

abuse@nos-acores.pt

Powered byIP Abuse Contact API

Name
Abuse-C Role
Organization
ORG-NCC1-RIPE
Network
81.20.240.0/20
Country
PT
Kind
group
Address
AVENIDA ANTERO DE QUENTAL 9-C 1AS PISO, 9500-160, PONTA DELGADA, Portugal
Emails
abuse@nos-acores.pt
Phone numbers
+351 296 714 409+351 296 714 405

Autonomous system

AS2860

NOS Comunicações, S.A.

Powered byIP to ASN Database

ASN
AS2860
Country
PT
Domain
nos.pt
Regional registry
RIPE
Organization
NOS Comunicações, S.A.
Type
Internet service provider (ISP)
Allocated on
2002-09-25

Organization

NOS Comunicações, S.A.

AS2860 nos.pt ISP PT

Associated company

NOS ACORES COMUNICACOES, S.A.

ISP · nos.pt

Powered byIP to Company Database

Name
NOS ACORES COMUNICACOES, S.A.
Type
Internet service provider (ISP)
Domain
nos.pt

Network route

81.20.244.0/22

Powered byIP Geolocation API

Hostname
cpe81-20-244-031.cabotva.net
Route
81.20.244.0/22
Connection type
—
Anycast
No
CDN
No
CDN provider
—

Time zone

Atlantic/Azores

2026-10-27 19:42

Powered byTime Zone API

Offset from UTC
-1.0
Standard time zone
Azores Standard Time
Standard abbreviation
AZOT
Daylight saving time
Yes
DST savings (hours)
0
Observing DST now
No
Horta

Atlantic/Azores

UTC-1.0

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" : "81.20.244.31",
  "hostname" : "cpe81-20-244-031.cabotva.net",
  "location" : {
    "district" : "Horta",
    "city" : "Horta",
    "locality" : "Horta",
    "zipcode" : "9900",
    "latitude" : "38.53485",
    "longitude" : "-28.62998",
    "continent_code" : "EU",
    "continent_name" : "Europe",
    "country_code2" : "PT",
    "country_code3" : "PRT",
    "country_name" : "Portugal",
    "country_name_official" : "Republic of Portugal",
    "country_capital" : "Lisbon",
    "state_prov" : "Azores",
    "state_code" : "PT-20",
    "accuracy_radius" : "2.92",
    "confidence" : "high",
    "dma_code" : "",
    "is_eu" : true,
    "country_flag" : "https://ipgeolocation.io/static/flags/pt_64.png",
    "geoname_id" : "10281230",
    "country_emoji" : "🇵🇹"
  },
  "country_metadata" : {
    "tld" : ".pt",
    "languages" : [ "pt-PT", "mwl" ],
    "calling_code" : "+351"
  },
  "network" : {
    "route" : "81.20.244.0/22",
    "connection_type" : "",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "EUR",
    "name" : "Euro",
    "symbol" : "€"
  },
  "asn" : {
    "organization" : "NOS Comunicações, S.A.",
    "country" : "PT",
    "type" : "ISP",
    "domain" : "nos.pt",
    "rir" : "RIPE",
    "as_number" : "AS2860",
    "date_allocated" : "2002-09-25"
  },
  "company" : {
    "name" : "NOS ACORES COMUNICACOES, S.A.",
    "type" : "ISP",
    "domain" : "nos.pt"
  },
  "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" : "81.20.240.0/20",
    "country" : "PT",
    "name" : "Abuse-C Role",
    "organization" : "ORG-NCC1-RIPE",
    "kind" : "group",
    "address" : "AVENIDA ANTERO DE QUENTAL 9-C 1AS PISO, 9500-160, PONTA DELGADA, Portugal",
    "emails" : [ "abuse@nos-acores.pt" ],
    "phone_numbers" : [ "+351296714409", " +351296714405" ]
  },
  "time_zone" : {
    "name" : "Atlantic/Azores",
    "offset" : -1.0,
    "offset_with_dst" : -1.0,
    "current_time" : "2026-10-27 19:42:50.266-0100",
    "current_time_unix" : 1.793133770266E9,
    "current_tz_abbreviation" : "AZOT",
    "current_tz_full_name" : "Azores Standard Time",
    "standard_tz_abbreviation" : "AZOT",
    "standard_tz_full_name" : "Azores Standard Time",
    "is_dst" : false,
    "dst_savings" : 0,
    "dst_exists" : true,
    "dst_tz_abbreviation" : "AZOST",
    "dst_tz_full_name" : "Azores Summer Time",
    "dst_start" : {
      "utc_time" : "2026-03-29 TIME 01:00",
      "duration" : "+1.00H",
      "gap" : true,
      "date_time_after" : "2026-03-29 TIME 01:00",
      "date_time_before" : "2026-03-29 TIME 00:00",
      "overlap" : false
    },
    "dst_end" : {
      "utc_time" : "2026-10-25 TIME 01:00",
      "duration" : "-1.00H",
      "gap" : false,
      "date_time_after" : "2026-10-25 TIME 00:00",
      "date_time_before" : "2026-10-25 TIME 01:00",
      "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 81.20.244.31.

Who operates 81.20.244.31?

NOS Comunicações, S.A. operates AS2860, the autonomous system announcing this address. The associated company is NOS ACORES COMUNICACOES, S.A.; the reported network is 81.20.244.0/22.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when NOS Comunicações, S.A. reassigns the block, so treat Horta as an estimate, not a fixed point.

View IP Location 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=81.20.244.31' \
  --data-urlencode 'include=*'
Response 
{ "ip": "81.20.244.31" }

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Frequently Asked Questions

The latest lookup maps 81.20.244.31 to Horta, Azores, Portugal. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS2860 and company NOS ACORES COMUNICACOES, S.A.. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 81.20.244.31 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 81.20.244.31 is Atlantic/Azores. 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 81.20.244.31.
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.