IP address 191.251.42.79

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Overview

LocationCity, region and country where this IP is located.
Florianopolis, Santa Catarina, BR
ASNThe autonomous system that announces this IP on the internet.
AS18881 — Telefônica Brasil S.A.
TimezoneThe IANA time zone at this IP's location.
America/Sao_Paulo
NetworkThe routed network block (CIDR) that contains this IP.
191.251.32.0/20
CompanyThe organization this IP is assigned to.
TELEFÔNICA BRASIL S.A
Abuse contactWhere to report spam, attacks or other misuse from this IP.
abuse.br@telefonica.com

Reported location

Florianopolis

Santa Catarina, Brazil (BR)

Powered byIP Geolocation API

City
Florianopolis
District / county
Florianópolis
State / province
Santa Catarina
Country
Brazil
Postal code
88010-400
Coordinates
-27.59686, -48.54681

Brazil

-27.59686, -48.54681

© OpenStreetMap

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
  • 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
Byteful
Last Seen
2026-10-05
Confidence Score
99 %

Abuse contact

CSIRT TELEFONICA BR

abuse.br@telefonica.com

Powered byIP Abuse Contact API

Name
CSIRT TELEFONICA BR
Organization
—
Network
191.248.0.0/14
Country
BR
Kind
individual
Address
BR
Emails
abuse.br@telefonica.com
Phone numbers
—

Autonomous system

AS18881

Telefônica Brasil S.A.

Powered byASN Records

ASN
AS18881
Country
BR
Domain
telefonica.com.br
Regional registry
lacnic
Organization
Telefônica Brasil S.A.
Type
Internet service provider (ISP)
Allocated on
2000-10-23

Organization

Telefônica Brasil S.A.

Associated company

TELEFÔNICA BRASIL S.A

ISP · vivo.com.br

Powered byIP Geolocation API

Name
TELEFÔNICA BRASIL S.A
Type
Internet service provider (ISP)
Domain
vivo.com.br

Network route

191.251.32.0/20

DSL

Powered byIP Geolocation API

Hostname
191.251.42.79.dynamic.adsl.gvt.net.br
Route
191.251.32.0/20
Connection type
DSL
Anycast
no
CDN
no
CDN provider
—

Time zone

America/Sao_Paulo

2026-10-11 08:58

Powered byTime Zone API

Offset from UTC
-3.0
Standard time zone
Brasilia Standard Time
Standard abbreviation
BRT
Daylight saving time
false
DST savings (hours)
0
Observing DST now
false
Florianopolis

Brazil

-27.59686, -48.54681

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" : "191.251.42.79",
  "hostname" : "191.251.42.79.dynamic.adsl.gvt.net.br",
  "location" : {
    "district" : "Florianópolis",
    "city" : "Florianopolis",
    "locality" : "Florianopolis",
    "zipcode" : "88010-400",
    "latitude" : "-27.59686",
    "longitude" : "-48.54681",
    "continent_code" : "SA",
    "continent_name" : "South America",
    "country_code2" : "BR",
    "country_code3" : "BRA",
    "country_name" : "Brazil",
    "country_name_official" : "Federative Republic of Brazil",
    "country_capital" : "Brasilia",
    "state_prov" : "Santa Catarina",
    "state_code" : "BR-SC",
    "accuracy_radius" : "6.257",
    "confidence" : "high",
    "dma_code" : "",
    "is_eu" : false,
    "country_flag" : "https://ipgeolocation.io/static/flags/br_64.png",
    "geoname_id" : "7280456",
    "country_emoji" : "🇧🇷"
  },
  "country_metadata" : {
    "tld" : ".br",
    "languages" : [ "pt-BR", "es", "en", "fr" ],
    "calling_code" : "+55"
  },
  "network" : {
    "route" : "191.251.32.0/20",
    "connection_type" : "DSL",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "BRL",
    "name" : "Brazilian Real",
    "symbol" : "R$"
  },
  "asn" : {
    "organization" : "Telefônica Brasil S.A.",
    "country" : "BR",
    "type" : "ISP",
    "domain" : "telefonica.com.br",
    "rir" : "lacnic",
    "as_number" : "AS18881",
    "date_allocated" : "2000-10-23"
  },
  "company" : {
    "name" : "TELEFÔNICA BRASIL S.A",
    "type" : "ISP",
    "domain" : "vivo.com.br"
  },
  "security" : {
    "threat_score" : 45,
    "is_tor" : false,
    "is_proxy" : true,
    "proxy_provider_names" : [ "Byteful" ],
    "proxy_confidence_score" : 99,
    "proxy_last_seen" : "2026-10-05",
    "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" : "191.248.0.0/14",
    "country" : "BR",
    "name" : "CSIRT TELEFONICA BR",
    "organization" : "",
    "kind" : "individual",
    "address" : "BR",
    "emails" : [ "abuse.br@telefonica.com" ],
    "phone_numbers" : [ ]
  },
  "time_zone" : {
    "name" : "America/Sao_Paulo",
    "offset" : -3.0,
    "offset_with_dst" : -3.0,
    "current_time" : "2026-10-11 08:58:55.554-0300",
    "current_time_unix" : 1.791719935554E9,
    "current_tz_abbreviation" : "BRT",
    "current_tz_full_name" : "Brasilia Standard Time",
    "standard_tz_abbreviation" : "BRT",
    "standard_tz_full_name" : "Brasilia Standard Time",
    "is_dst" : false,
    "dst_savings" : 0,
    "dst_exists" : false,
    "dst_tz_abbreviation" : "",
    "dst_tz_full_name" : "",
    "dst_start" : { },
    "dst_end" : { }
  },
  "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 191.251.42.79.

Who operates 191.251.42.79?

Telefônica Brasil S.A. operates AS18881, the autonomous system announcing this address. The associated company is TELEFÔNICA BRASIL S.A; the reported network is 191.251.32.0/20.

View ASN API

Why can its location change?

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

View IP Location API

How do I report abuse?

The listed abuse contact is CSIRT TELEFONICA BR. 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=191.251.42.79' \
  --data-urlencode 'include=*'
Response 
{ "ip": "191.251.42.79" }

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Frequently Asked Questions

The latest lookup maps 191.251.42.79 to Florianopolis, Santa Catarina, Brazil. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS18881 and company TELEFÔNICA BRASIL S.A. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 191.251.42.79 is DSL. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 191.251.42.79 is America/Sao_Paulo. 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 191.251.42.79.
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.