IP address 221.4.159.144

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Overview

LocationCity, region and country where this IP is located.
Foshan, Guangdong Province, CN
ASNThe autonomous system that announces this IP on the internet.
AS136959 — China United Network Communications China Unicom
TimezoneThe IANA time zone at this IP's location.
Asia/Shanghai
NetworkThe routed network block (CIDR) that contains this IP.
221.4.159.0/24
CompanyThe organization this IP is assigned to.
China unicom
Abuse contactWhere to report spam, attacks or other misuse from this IP.
hqs-ipabuse@chinaunicom.cn

Reported location

Foshan

Guangdong Province, China (CN)

Powered byIP Geolocation API

City
Foshan
District / county
—
State / province
Guangdong Province
Country
China
Postal code
528399
Coordinates
22.80452, 113.29394

China

22.80452, 113.29394

© 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

IRT-CU-CN

hqs-ipabuse@chinaunicom.cn

Powered byIP Abuse Contact API

Name
IRT-CU-CN
Organization
—
Network
221.4.0.0/16
Country
CN
Kind
group
Address
No.21,Financial Street, Beijing,100033, P.R.China
Emails
hqs-ipabuse@chinaunicom.cn
Phone numbers
+86 20 2221 4174

Autonomous system

AS136959

China United Network Communications China Unicom

Powered byASN Records

ASN
AS136959
Country
CN
Domain
chinaunicom.cn
Regional registry
APNIC
Organization
China United Network Communications China Unicom
Type
Hosting provider
Allocated on
2017-09-04

Organization

China United Network Communications China Unicom

Associated company

China unicom

ISP · chinaunicom.cn

Powered byIP Geolocation API

Name
China unicom
Type
Internet service provider (ISP)
Domain
chinaunicom.cn

Network route

221.4.159.0/24

Powered byIP Geolocation API

Hostname
221.4.159.144
Route
221.4.159.0/24
Connection type
—
Anycast
no
CDN
no
CDN provider
—

Time zone

Asia/Shanghai

2026-10-07 04:43

Powered byTime Zone API

Offset from UTC
8.0
Standard time zone
China Standard Time
Standard abbreviation
GMT+08:00
Daylight saving time
false
DST savings (hours)
0
Observing DST now
false
Foshan

China

22.80452, 113.29394

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" : "221.4.159.144",
  "hostname" : "221.4.159.144",
  "location" : {
    "district" : "",
    "city" : "Foshan",
    "locality" : "Foshan",
    "zipcode" : "528399",
    "latitude" : "22.80452",
    "longitude" : "113.29394",
    "continent_code" : "AS",
    "continent_name" : "Asia",
    "country_code2" : "CN",
    "country_code3" : "CHN",
    "country_name" : "China",
    "country_name_official" : "People’s Republic of China",
    "country_capital" : "Beijing",
    "state_prov" : "Guangdong Province",
    "state_code" : "CN-GD",
    "accuracy_radius" : "7.099",
    "confidence" : "medium",
    "dma_code" : "",
    "is_eu" : false,
    "country_flag" : "https://ipgeolocation.io/static/flags/cn_64.png",
    "geoname_id" : "6922213",
    "country_emoji" : "🇨🇳"
  },
  "country_metadata" : {
    "tld" : ".cn",
    "languages" : [ "zh-CN", "yue", "wuu", "dta", "ug", "za" ],
    "calling_code" : "+86"
  },
  "network" : {
    "route" : "221.4.159.0/24",
    "connection_type" : "",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "CNY",
    "name" : "Yuan Renminbi",
    "symbol" : "¥"
  },
  "asn" : {
    "organization" : "China United Network Communications China Unicom",
    "country" : "CN",
    "type" : "HOSTING",
    "domain" : "chinaunicom.cn",
    "rir" : "APNIC",
    "as_number" : "AS136959",
    "date_allocated" : "2017-09-04"
  },
  "company" : {
    "name" : "China unicom",
    "type" : "ISP",
    "domain" : "chinaunicom.cn"
  },
  "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" : "221.4.0.0/16",
    "country" : "CN",
    "name" : "IRT-CU-CN",
    "organization" : "",
    "kind" : "group",
    "address" : "No.21,Financial Street, Beijing,100033, P.R.China",
    "emails" : [ "hqs-ipabuse@chinaunicom.cn" ],
    "phone_numbers" : [ "+862022214174" ]
  },
  "time_zone" : {
    "name" : "Asia/Shanghai",
    "offset" : 8.0,
    "offset_with_dst" : 8.0,
    "current_time" : "2026-10-07 04:43:33.508+0800",
    "current_time_unix" : 1.791319413508E9,
    "current_tz_abbreviation" : "GMT+08:00",
    "current_tz_full_name" : "China Standard Time",
    "standard_tz_abbreviation" : "GMT+08:00",
    "standard_tz_full_name" : "China 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 221.4.159.144.

Who operates 221.4.159.144?

China United Network Communications China Unicom operates AS136959, the autonomous system announcing this address. The associated company is China unicom; the reported network is 221.4.159.0/24.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when China United Network Communications China Unicom reassigns the block, so treat Foshan as an estimate, not a fixed point.

View IP Location API

How do I report abuse?

The listed abuse contact is IRT-CU-CN. 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=221.4.159.144' \
  --data-urlencode 'include=*'
Response 
{ "ip": "221.4.159.144" }

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Frequently Asked Questions

The latest lookup maps 221.4.159.144 to Foshan, Guangdong Province, China. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS136959 and company China unicom. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 221.4.159.144 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 221.4.159.144 is Asia/Shanghai. 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 221.4.159.144.
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.