IP address 71.18.81.148

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Overview

LocationCity, region and country where this IP is located.
Hanoi, Hà Nội, VN
ASNThe autonomous system that announces this IP on the internet.
AS396986 — ByteDance Inc.
TimezoneThe IANA time zone at this IP's location.
Asia/Bangkok
NetworkThe routed network block (CIDR) that contains this IP.
71.18.81.0/24
CompanyThe organization this IP is assigned to.
ByteDance Inc.
Abuse contactWhere to report spam, attacks or other misuse from this IP.
bd_abuse@bytedance.com

Reported location

Hanoi

Hà Nội, Vietnam (VN)

Powered byIP Geolocation API

City
Hanoi
District / county
Nam Từ Liêm
State / province
Hà Nội
Country
Vietnam
Postal code
12000
Coordinates
21.00346, 105.77033

Vietnam

21.00346, 105.77033

© 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
Bytedance Inc.

Abuse contact

abuse

bd_abuse@bytedance.com

Powered byIP Abuse Contact API

Name
abuse
Organization
Bytedance Inc
Network
71.18.0.0/16
Country
US
Kind
group
Address
250 Bryant St, Mountain View, CA, 94041, United States
Emails
bd_abuse@bytedance.com
Phone numbers
+1 650-878-6215

Autonomous system

AS396986

ByteDance Inc.

Powered byASN Records

ASN
AS396986
Country
US
Domain
bytedance.com
Regional registry
ARIN
Organization
ByteDance Inc.
Type
Business
Allocated on
2018-08-16

Organization

ByteDance Inc.

Associated company

ByteDance Inc.

BUSINESS · bytedance.com

Powered byIP Geolocation API

Name
ByteDance Inc.
Type
Business
Domain
bytedance.com

Network route

71.18.81.0/24

Powered byIP Geolocation API

Hostname
71.18.81.148
Route
71.18.81.0/24
Connection type
—
Anycast
no
CDN
no
CDN provider
—

Time zone

Asia/Bangkok

2026-10-08 17:50

Powered byTime Zone API

Offset from UTC
7.0
Standard time zone
Indochina Time
Standard abbreviation
ICT
Daylight saving time
false
DST savings (hours)
0
Observing DST now
false
Hanoi

Vietnam

21.00346, 105.77033

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" : "71.18.81.148",
  "hostname" : "71.18.81.148",
  "location" : {
    "district" : "Nam Từ Liêm",
    "city" : "Hanoi",
    "locality" : "Hanoi",
    "zipcode" : "12000",
    "latitude" : "21.00346",
    "longitude" : "105.77033",
    "continent_code" : "AS",
    "continent_name" : "Asia",
    "country_code2" : "VN",
    "country_code3" : "VNM",
    "country_name" : "Vietnam",
    "country_name_official" : "Socialist Republic of Viet Nam",
    "country_capital" : "Hanoi",
    "state_prov" : "Hà Nội",
    "state_code" : "VN-HN",
    "accuracy_radius" : "14.321",
    "confidence" : "medium",
    "dma_code" : "",
    "is_eu" : false,
    "country_flag" : "https://ipgeolocation.io/static/flags/vn_64.png",
    "geoname_id" : "8616052",
    "country_emoji" : "🇻🇳"
  },
  "country_metadata" : {
    "tld" : ".vn",
    "languages" : [ "vi", "en", "fr", "zh", "km" ],
    "calling_code" : "+84"
  },
  "network" : {
    "route" : "71.18.81.0/24",
    "connection_type" : "",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "VND",
    "name" : "Vietnamese Dong",
    "symbol" : "₫"
  },
  "asn" : {
    "organization" : "ByteDance Inc.",
    "country" : "US",
    "type" : "BUSINESS",
    "domain" : "bytedance.com",
    "rir" : "ARIN",
    "as_number" : "AS396986",
    "date_allocated" : "2018-08-16"
  },
  "company" : {
    "name" : "ByteDance Inc.",
    "type" : "BUSINESS",
    "domain" : "bytedance.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" : "Bytedance Inc.",
    "is_corporate_gateway" : false,
    "corporate_gateway_type" : "",
    "corporate_gateway_provider_name" : ""
  },
  "abuse" : {
    "route" : "71.18.0.0/16",
    "country" : "US",
    "name" : "abuse",
    "organization" : "Bytedance Inc",
    "kind" : "group",
    "address" : "250 Bryant St, Mountain View, CA, 94041, United States",
    "emails" : [ "bd_abuse@bytedance.com" ],
    "phone_numbers" : [ "+16508786215" ]
  },
  "time_zone" : {
    "name" : "Asia/Bangkok",
    "offset" : 7.0,
    "offset_with_dst" : 7.0,
    "current_time" : "2026-10-08 17:50:56.615+0700",
    "current_time_unix" : 1.791456656615E9,
    "current_tz_abbreviation" : "ICT",
    "current_tz_full_name" : "Indochina Time",
    "standard_tz_abbreviation" : "ICT",
    "standard_tz_full_name" : "Indochina 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 71.18.81.148.

Who operates 71.18.81.148?

ByteDance Inc. operates AS396986, the autonomous system announcing this address. The associated company is ByteDance Inc.; the reported network is 71.18.81.0/24.

View ASN API

Why can its location change?

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

View IP Location API

How do I report abuse?

The listed abuse contact is abuse. 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=71.18.81.148' \
  --data-urlencode 'include=*'
Response 
{ "ip": "71.18.81.148" }

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Frequently Asked Questions

The latest lookup maps 71.18.81.148 to Hanoi, Hà Nội, Vietnam. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS396986 and company ByteDance Inc.. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 71.18.81.148 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 71.18.81.148 is Asia/Bangkok. 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 71.18.81.148.
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.