IP address 163.25.200.146

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Overview

LocationCity, region and country where this IP is located.
Shitou Village, Taoyuan City, TW
ASNThe autonomous system that announces this IP on the internet.
AS1659 — Taiwan Academic Network TANet
TimezoneThe IANA time zone at this IP's location.
Asia/Taipei
NetworkThe routed network block (CIDR) that contains this IP.
163.25.128.0/17
CompanyThe organization this IP is assigned to.
TANet Taoyuan Regional Network
Abuse contactWhere to report spam, attacks or other misuse from this IP.
abuse@ncu.edu.tw

Reported location

Shitou Village

Taoyuan City, Taiwan (TW)

Powered byIP Geolocation API

City
Shitou Village
District / county
Taoyuan County
State / province
Taoyuan City
Country
Taiwan
Postal code
320
Coordinates
24.95599, 121.22323

Taiwan

24.95599, 121.22323

© OpenStreetMap

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
  • 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.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 a VPN, proxy, relay, bot, cloud provider or corporate gateway.

Abuse contact

Admin NCU

abuse@ncu.edu.tw

Powered byIP Abuse Contact API

Name
Admin NCU
Organization
—
Network
163.25.0.0/16
Country
TW
Kind
individual
Address
National Central University, No.300, Jhongda Rd., Jhongli City, Taoyuan Taiwan
Emails
abuse@ncu.edu.tw
Phone numbers
+886 3 422 7151, +886 3 422 6062

Autonomous system

AS1659

Taiwan Academic Network TANet

Powered byASN Records

ASN
AS1659
Country
TW
Domain
—
Regional registry
APNIC
Organization
Taiwan Academic Network TANet
Type
Education
Allocated on
2002-08-01

Organization

Taiwan Academic Network TANet

Associated company

TANet Taoyuan Regional Network

Powered byIP Geolocation API

Name
TANet Taoyuan Regional Network
Type
—
Domain
—

Network route

163.25.128.0/17

Powered byIP Geolocation API

Hostname
u146-200-25-163.un-announce.tyc.edu.tw
Route
163.25.128.0/17
Connection type
—
Anycast
no
CDN
no
CDN provider
—

Time zone

Asia/Taipei

2026-10-07 21:45

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
Shitou Village

Taiwan

24.95599, 121.22323

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" : "163.25.200.146",
  "hostname" : "u146-200-25-163.un-announce.tyc.edu.tw",
  "location" : {
    "district" : "Taoyuan County",
    "city" : "Shitou Village",
    "locality" : "Shitou Village",
    "zipcode" : "320",
    "latitude" : "24.95599",
    "longitude" : "121.22323",
    "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" : "Taoyuan City",
    "state_code" : "",
    "accuracy_radius" : "24.228",
    "confidence" : "high",
    "dma_code" : "",
    "is_eu" : false,
    "country_flag" : "https://ipgeolocation.io/static/flags/tw_64.png",
    "geoname_id" : "10100062",
    "country_emoji" : "🇹🇼"
  },
  "country_metadata" : {
    "tld" : ".tw",
    "languages" : [ "zh-TW", "zh", "nan", "hak" ],
    "calling_code" : "+886"
  },
  "network" : {
    "route" : "163.25.128.0/17",
    "connection_type" : "",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "TWD",
    "name" : "New Taiwan Dollar",
    "symbol" : "NT$"
  },
  "asn" : {
    "organization" : "Taiwan Academic Network TANet",
    "country" : "TW",
    "type" : "EDUCATION",
    "domain" : "",
    "rir" : "APNIC",
    "as_number" : "AS1659",
    "date_allocated" : "2002-08-01"
  },
  "company" : {
    "name" : "TANet Taoyuan Regional Network",
    "type" : "",
    "domain" : ""
  },
  "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" : "163.25.0.0/16",
    "country" : "TW",
    "name" : "Admin NCU",
    "organization" : "",
    "kind" : "individual",
    "address" : "National Central University, No.300, Jhongda Rd., Jhongli City, Taoyuan Taiwan",
    "emails" : [ "abuse@ncu.edu.tw" ],
    "phone_numbers" : [ "+88634227151", " +88634226062" ]
  },
  "time_zone" : {
    "name" : "Asia/Taipei",
    "offset" : 8.0,
    "offset_with_dst" : 8.0,
    "current_time" : "2026-10-07 21:45:35.211+0800",
    "current_time_unix" : 1.791380735211E9,
    "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 163.25.200.146.

Who operates 163.25.200.146?

Taiwan Academic Network TANet operates AS1659, the autonomous system announcing this address. The associated company is TANet Taoyuan Regional Network; the reported network is 163.25.128.0/17.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when Taiwan Academic Network TANet reassigns the block, so treat Shitou Village as an estimate, not a fixed point.

View IP Location API

How do I report abuse?

The listed abuse contact is Admin NCU. 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=163.25.200.146' \
  --data-urlencode 'include=*'
Response 
{ "ip": "163.25.200.146" }

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Frequently Asked Questions

The latest lookup maps 163.25.200.146 to Shitou Village, Taoyuan City, Taiwan. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS1659 and company TANet Taoyuan Regional Network. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 163.25.200.146 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 163.25.200.146 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 163.25.200.146.
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.