IP address 8.145.50.251

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Overview

LocationCity, region and country where this IP is located.
Beijing, CN
ASNThe autonomous system that announces this IP on the internet.
AS37963 — Hangzhou Alibaba Advertising Co., Ltd.
TimezoneThe IANA time zone at this IP's location.
Asia/Shanghai
NetworkThe routed network block (CIDR) that contains this IP.
8.145.0.0/16
CompanyThe organization this IP is assigned to.
Aliyun Computing Co.LTD
Abuse contactWhere to report spam, attacks or other misuse from this IP.
abuse@alibaba-inc.com

Associated location

Beijing

China (CN)

Powered byIP Geolocation API

City
Beijing
District / county
—
State / province
Beijing
Country
China
Postal code
100007
Coordinates
39.92781, 116.40963

China

39.92781, 116.40963

© Google Maps

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
    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.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
Aliyun Computing Co.LTD

Abuse contact

IRT-ASEPL-SG

abuse@alibaba-inc.com

Powered byIP Abuse Contact API

Name
IRT-ASEPL-SG
Organization
—
Network
8.128.0.0/11
Country
CN
Kind
group
Address
1 Raffles Place
Emails
abuse@alibaba-inc.com
Phone numbers
+86 571 8502 2088

Autonomous system

AS37963

Hangzhou Alibaba Advertising Co., Ltd.

Powered byIP to ASN Database

ASN
AS37963
Country
CN
Domain
alibabagroup.com
Regional registry
APNIC
Organization
Hangzhou Alibaba Advertising Co., Ltd.
Type
Hosting provider
Allocated on
2006-03-08

Organization

Hangzhou Alibaba Advertising Co., Ltd.

AS37963 alibabagroup.com Hosting CN

Associated company

Aliyun Computing Co.LTD

HOSTING · alibabacloud.com

Powered byIP to Company Database

Name
Aliyun Computing Co.LTD
Type
Hosting provider
Domain
alibabacloud.com

Network route

8.145.0.0/16

Powered byIP Geolocation API

Hostname
8.145.50.251
Route
8.145.0.0/16
Connection type
—
Anycast
No
CDN
No
CDN provider
—

Time zone

Asia/Shanghai

2026-10-23 05:39

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
Beijing

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" : "8.145.50.251",
  "hostname" : "8.145.50.251",
  "location" : {
    "district" : "",
    "city" : "Beijing",
    "locality" : "Beijing",
    "zipcode" : "100007",
    "latitude" : "39.92781",
    "longitude" : "116.40963",
    "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" : "Beijing",
    "state_code" : "CN-BJ",
    "accuracy_radius" : "27.666",
    "confidence" : "high",
    "dma_code" : "",
    "is_eu" : false,
    "country_flag" : "https://ipgeolocation.io/static/flags/cn_64.png",
    "geoname_id" : "8384619",
    "country_emoji" : "🇨🇳"
  },
  "country_metadata" : {
    "tld" : ".cn",
    "languages" : [ "zh-CN", "yue", "wuu", "dta", "ug", "za" ],
    "calling_code" : "+86"
  },
  "network" : {
    "route" : "8.145.0.0/16",
    "connection_type" : "",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "CNY",
    "name" : "Yuan Renminbi",
    "symbol" : "¥"
  },
  "asn" : {
    "organization" : "Hangzhou Alibaba Advertising Co., Ltd.",
    "country" : "CN",
    "type" : "HOSTING",
    "domain" : "alibabagroup.com",
    "rir" : "APNIC",
    "as_number" : "AS37963",
    "date_allocated" : "2006-03-08"
  },
  "company" : {
    "name" : "Aliyun Computing Co.LTD",
    "type" : "HOSTING",
    "domain" : "alibabacloud.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" : "Aliyun Computing Co.LTD",
    "is_corporate_gateway" : false,
    "corporate_gateway_type" : "",
    "corporate_gateway_provider_name" : ""
  },
  "abuse" : {
    "route" : "8.128.0.0/11",
    "country" : "CN",
    "name" : "IRT-ASEPL-SG",
    "organization" : "",
    "kind" : "group",
    "address" : "1 Raffles Place",
    "emails" : [ "abuse@alibaba-inc.com" ],
    "phone_numbers" : [ "+8657185022088" ]
  },
  "time_zone" : {
    "name" : "Asia/Shanghai",
    "offset" : 8.0,
    "offset_with_dst" : 8.0,
    "current_time" : "2026-10-23 05:39:33.982+0800",
    "current_time_unix" : 1.792705173982E9,
    "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 8.145.50.251.

Who operates 8.145.50.251?

Hangzhou Alibaba Advertising Co., Ltd. operates AS37963, the autonomous system announcing this address. The associated company is Aliyun Computing Co.LTD; the reported network is 8.145.0.0/16.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when Hangzhou Alibaba Advertising Co., Ltd. reassigns the block, so treat Beijing as an estimate, not a fixed point.

View IP Location API

How do I report abuse?

The listed abuse contact is IRT-ASEPL-SG. 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=8.145.50.251' \
  --data-urlencode 'include=*'
Response 
{ "ip": "8.145.50.251" }

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Frequently Asked Questions

The latest lookup maps 8.145.50.251 to Beijing, Beijing, China. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS37963 and company Aliyun Computing Co.LTD. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 8.145.50.251 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 8.145.50.251 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 8.145.50.251.
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.