IP address 57.140.5.28

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Overview

LocationCity, region and country where this IP is located.
Taipei City, Taipei, TW
ASNThe autonomous system that announces this IP on the internet.
AS62654 — Menlo Security, Inc.
TimezoneThe IANA time zone at this IP's location.
Asia/Taipei
NetworkThe routed network block (CIDR) that contains this IP.
57.140.5.0/24
CompanyThe organization this IP is assigned to.
Menlo Security, Inc.
Abuse contactWhere to report spam, attacks or other misuse from this IP.
noc@menlosecurity.com

Reported location

Taipei City

Taipei, Taiwan (TW)

Powered byIP Geolocation API

City
Taipei City
District / county
Taipei City
State / province
Taipei
Country
Taiwan
Postal code
110
Coordinates
25.03293, 121.56705

Taiwan

25.03293, 121.56705

© OpenStreetMap

Threat score

5/100 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
  • 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.Detected
  • Residential proxyA home or mobile connection resold as a proxy exit.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

Cloud Provider

Detected
Provider Names
MENLO SECURITY, INC.

Abuse contact

Menlo Security Network Operations Center

noc@menlosecurity.com

Powered byIP Abuse Contact API

Name
Menlo Security Network Operations Center
Organization
Menlo Security, Inc.
Network
57.140.0.0/16
Country
US
Kind
group
Address
800 W. El Camino Real, Ste. 250, Mountain View, CA, 94040, United States
Emails
noc@menlosecurity.com
Phone numbers
+1 877-255-9394

Autonomous system

AS62654

Menlo Security, Inc.

Powered byASN Records

ASN
AS62654
Country
US
Domain
menlosecurity.com
Regional registry
ARIN
Organization
Menlo Security, Inc.
Type
Business
Allocated on
2018-04-23

Organization

Menlo Security, Inc.

Associated company

Menlo Security, Inc.

BUSINESS · menlosecurity.com

Powered byIP Geolocation API

Name
Menlo Security, Inc.
Type
Business
Domain
menlosecurity.com

Network route

57.140.5.0/24

Powered byIP Geolocation API

Hostname
57.140.5.28
Route
57.140.5.0/24
Connection type
—
Anycast
no
CDN
no
CDN provider
—

Time zone

Asia/Taipei

2026-10-08 07:11

Powered byTime Zone API

Offset from UTC
8.0
Standard time zone
Taipei Standard Time
Standard abbreviation
CST
Daylight saving time
false
DST savings (hours)
0
Observing DST now
false
Taipei City

Taiwan

25.03293, 121.56705

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" : "57.140.5.28",
  "hostname" : "57.140.5.28",
  "location" : {
    "district" : "Taipei City",
    "city" : "Taipei City",
    "locality" : "Taipei City",
    "zipcode" : "110",
    "latitude" : "25.03293",
    "longitude" : "121.56705",
    "continent_code" : "AS",
    "continent_name" : "Asia",
    "country_code2" : "TW",
    "country_code3" : "TWN",
    "country_name" : "Taiwan",
    "country_name_official" : "Republic of China",
    "country_capital" : "Taipei",
    "state_prov" : "Taipei",
    "state_code" : "TW-TPE",
    "accuracy_radius" : "6.935",
    "confidence" : "high",
    "dma_code" : "",
    "is_eu" : false,
    "country_flag" : "https://ipgeolocation.io/static/flags/tw_64.png",
    "geoname_id" : "10272931",
    "country_emoji" : "🇹🇼"
  },
  "country_metadata" : {
    "tld" : ".tw",
    "languages" : [ "zh-TW", "zh", "nan", "hak" ],
    "calling_code" : "+886"
  },
  "network" : {
    "route" : "57.140.5.0/24",
    "connection_type" : "",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "TWD",
    "name" : "New Taiwan Dollar",
    "symbol" : "NT$"
  },
  "asn" : {
    "organization" : "Menlo Security, Inc.",
    "country" : "US",
    "type" : "BUSINESS",
    "domain" : "menlosecurity.com",
    "rir" : "ARIN",
    "as_number" : "AS62654",
    "date_allocated" : "2018-04-23"
  },
  "company" : {
    "name" : "Menlo Security, Inc.",
    "type" : "BUSINESS",
    "domain" : "menlosecurity.com"
  },
  "security" : {
    "threat_score" : 5,
    "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" : true,
    "cloud_provider_name" : "MENLO SECURITY, INC.",
    "is_corporate_gateway" : false,
    "corporate_gateway_type" : "",
    "corporate_gateway_provider_name" : ""
  },
  "abuse" : {
    "route" : "57.140.0.0/16",
    "country" : "US",
    "name" : "Menlo Security Network Operations Center",
    "organization" : "Menlo Security, Inc.",
    "kind" : "group",
    "address" : "800 W. El Camino Real, Ste. 250, Mountain View, CA, 94040, United States",
    "emails" : [ "noc@menlosecurity.com" ],
    "phone_numbers" : [ "+18772559394" ]
  },
  "time_zone" : {
    "name" : "Asia/Taipei",
    "offset" : 8.0,
    "offset_with_dst" : 8.0,
    "current_time" : "2026-10-08 07:11:00.629+0800",
    "current_time_unix" : 1.791414660629E9,
    "current_tz_abbreviation" : "CST",
    "current_tz_full_name" : "Taipei Standard Time",
    "standard_tz_abbreviation" : "CST",
    "standard_tz_full_name" : "Taipei 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 57.140.5.28.

Who operates 57.140.5.28?

Menlo Security, Inc. operates AS62654, the autonomous system announcing this address. The associated company is Menlo Security, Inc.; the reported network is 57.140.5.0/24.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when Menlo Security, Inc. reassigns the block, so treat Taipei City as an estimate, not a fixed point.

View IP Location API

How do I report abuse?

The listed abuse contact is Menlo Security Network Operations Center. 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=57.140.5.28' \
  --data-urlencode 'include=*'
Response 
{ "ip": "57.140.5.28" }

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Frequently Asked Questions

The latest lookup maps 57.140.5.28 to Taipei City, Taipei, Taiwan. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS62654 and company Menlo Security, Inc.. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 57.140.5.28 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 57.140.5.28 is Asia/Taipei. 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 57.140.5.28.
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.