IP address 36.37.0.81

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Overview

LocationCity, region and country where this IP is located.
Guangzhou, Guangdong, CN
ASNThe autonomous system that announces this IP on the internet.
AS0
TimezoneThe IANA time zone at this IP's location.
Asia/Shanghai
NetworkThe routed network block (CIDR) that contains this IP.
—
CompanyThe organization this IP is assigned to.
chinanet
Abuse contactWhere to report spam, attacks or other misuse from this IP.
anti-spam@chinatelecom.cn

Associated location

Guangzhou

Guangdong, China (CN)

Powered byIP Geolocation API

City
Guangzhou
District / county
Guangzhou
State / province
Guangdong
Country
China
Postal code
510100
Coordinates
23.12518, 113.28064

China

23.12518, 113.28064

© 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

IRT-CHINANET-CN

anti-spam@chinatelecom.cn

Powered byIP Abuse Contact API

Name
IRT-CHINANET-CN
Organization
—
Network
36.37.0.0/19
Country
CN
Kind
group
Address
No.31 ,jingrong street,beijing, 100032
Emails
anti-spam@chinatelecom.cn abuse_gdicnoc@163.com
Phone numbers
+86 20 8718 9274

Autonomous system

AS0

Powered byIP to ASN Database

ASN
AS0
Country
—
Domain
—
Regional registry
—
Organization
—
Type
—
Allocated on
—

Organization

—

RIR AS0 No domain Type — Country —

Associated company

chinanet

Powered byIP to Company Database

Name
chinanet
Type
—
Domain
—

Network route

No route data

Fixed Broadband

Powered byIP Geolocation API

Hostname
36.37.0.81
Route
—
Connection type
Fixed Broadband
Anycast
No
CDN
No
CDN provider
—

Time zone

Asia/Shanghai

2026-10-21 22:44

Powered byTime Zone API

Offset from UTC
8.0
Standard time zone
China Standard Time
Standard abbreviation
CST
Daylight saving time
No
DST savings (hours)
0
Observing DST now
No
Guangzhou

Asia/Shanghai

UTC8.0

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" : "36.37.0.81",
  "hostname" : "36.37.0.81",
  "location" : {
    "district" : "Guangzhou",
    "city" : "Guangzhou",
    "locality" : "Guangzhou",
    "zipcode" : "510100",
    "latitude" : "23.12518",
    "longitude" : "113.28064",
    "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",
    "state_code" : "CN-GD",
    "accuracy_radius" : "9.327",
    "confidence" : "medium",
    "dma_code" : "",
    "is_eu" : false,
    "country_flag" : "https://ipgeolocation.io/static/flags/cn_64.png",
    "geoname_id" : "10285766",
    "country_emoji" : "🇨🇳"
  },
  "country_metadata" : {
    "tld" : ".cn",
    "languages" : [ "zh-CN", "yue", "wuu", "dta", "ug", "za" ],
    "calling_code" : "+86"
  },
  "network" : {
    "route" : "",
    "connection_type" : "Fixed Broadband",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "CNY",
    "name" : "Yuan Renminbi",
    "symbol" : "¥"
  },
  "asn" : {
    "organization" : "",
    "country" : "",
    "type" : "",
    "domain" : "",
    "rir" : "",
    "as_number" : "AS0",
    "date_allocated" : ""
  },
  "company" : {
    "name" : "chinanet",
    "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" : "36.37.0.0/19",
    "country" : "CN",
    "name" : "IRT-CHINANET-CN",
    "organization" : "",
    "kind" : "group",
    "address" : "No.31 ,jingrong street,beijing, 100032",
    "emails" : [ "anti-spam@chinatelecom.cn", " abuse_gdicnoc@163.com" ],
    "phone_numbers" : [ "+862087189274" ]
  },
  "time_zone" : {
    "name" : "Asia/Shanghai",
    "offset" : 8.0,
    "offset_with_dst" : 8.0,
    "current_time" : "2026-10-21 22:44:05.940+0800",
    "current_time_unix" : 1.79259384594E9,
    "current_tz_abbreviation" : "CST",
    "current_tz_full_name" : "China Standard Time",
    "standard_tz_abbreviation" : "CST",
    "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 36.37.0.81.

Who operates 36.37.0.81?

chinanet operates AS0, the autonomous system announcing this address. The associated company is chinanet.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when chinanet reassigns the block, so treat Guangzhou as an estimate, not a fixed point.

View IP Location API

How do I report abuse?

The listed abuse contact is IRT-CHINANET-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=36.37.0.81' \
  --data-urlencode 'include=*'
Response 
{ "ip": "36.37.0.81" }

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Frequently Asked Questions

The latest lookup maps 36.37.0.81 to Guangzhou, Guangdong, China. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS0 and company chinanet. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 36.37.0.81 is Fixed Broadband. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 36.37.0.81 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 36.37.0.81.
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.