IP address 210.142.128.39

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Overview

LocationCity, region and country where this IP is located.
Chiyoda City, Tokyo, JP
ASNThe autonomous system that announces this IP on the internet.
AS131916 — Tokyo Bay Network Co., Ltd.
TimezoneThe IANA time zone at this IP's location.
Asia/Tokyo
NetworkThe routed network block (CIDR) that contains this IP.
210.142.128.0/22
CompanyThe organization this IP is assigned to.
Tokyo Bay Network Co., Ltd.
Abuse contactWhere to report spam, attacks or other misuse from this IP.
hostmaster@nic.ad.jp

Associated location

Chiyoda City

Tokyo, Japan (JP)

Powered byIP Geolocation API

City
Chiyoda City
District / county
Chiyoda
State / province
Tokyo
Country
Japan
Postal code
101-0047
Coordinates
35.69156, 139.76754

Japan

35.69156, 139.76754

© 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-JPNIC-JP

hostmaster@nic.ad.jp

Powered byIP Abuse Contact API

Name
IRT-JPNIC-JP
Organization
—
Network
210.142.128.0/22
Country
JP
Kind
group
Address
Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda, Chiyoda-ku, Tokyo 101-0047, japan
Emails
hostmaster@nic.ad.jp
Phone numbers
+81 3-5297-2311+81 3-5297-2312

Autonomous system

AS131916

Tokyo Bay Network Co., Ltd.

Powered byIP to ASN Database

ASN
AS131916
Country
JP
Domain
baynet.ne.jp
Regional registry
JPNIC
Organization
Tokyo Bay Network Co., Ltd.
Type
Internet service provider (ISP)
Allocated on
2011-08-04

Organization

Tokyo Bay Network Co., Ltd.

JPNIC AS131916 baynet.ne.jp ISP JP

Associated company

Tokyo Bay Network Co., Ltd.

ISP · baynet.ne.jp

Powered byIP to Company Database

Name
Tokyo Bay Network Co., Ltd.
Type
Internet service provider (ISP)
Domain
baynet.ne.jp

Network route

210.142.128.0/22

Powered byIP Geolocation API

Hostname
210.142.128.39
Route
210.142.128.0/22
Connection type
—
Anycast
No
CDN
No
CDN provider
—

Time zone

Asia/Tokyo

2026-10-22 08:36

Powered byTime Zone API

Offset from UTC
9.0
Standard time zone
Japan Standard Time
Standard abbreviation
JST
Daylight saving time
No
DST savings (hours)
0
Observing DST now
No
Chiyoda City

Asia/Tokyo

UTC9.0

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" : "210.142.128.39",
  "hostname" : "210.142.128.39",
  "location" : {
    "district" : "Chiyoda",
    "city" : "Chiyoda City",
    "locality" : "Chiyoda City",
    "zipcode" : "101-0047",
    "latitude" : "35.69156",
    "longitude" : "139.76754",
    "continent_code" : "AS",
    "continent_name" : "Asia",
    "country_code2" : "JP",
    "country_code3" : "JPN",
    "country_name" : "Japan",
    "country_name_official" : "Japan",
    "country_capital" : "Tokyo",
    "state_prov" : "Tokyo",
    "state_code" : "JP-13",
    "accuracy_radius" : "17.295",
    "confidence" : "high",
    "dma_code" : "",
    "is_eu" : false,
    "country_flag" : "https://ipgeolocation.io/static/flags/jp_64.png",
    "geoname_id" : "10104461",
    "country_emoji" : "🇯🇵"
  },
  "country_metadata" : {
    "tld" : ".jp",
    "languages" : [ "ja" ],
    "calling_code" : "+81"
  },
  "network" : {
    "route" : "210.142.128.0/22",
    "connection_type" : "",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "JPY",
    "name" : "Yen",
    "symbol" : "¥"
  },
  "asn" : {
    "organization" : "Tokyo Bay Network Co., Ltd.",
    "country" : "JP",
    "type" : "ISP",
    "domain" : "baynet.ne.jp",
    "rir" : "JPNIC",
    "as_number" : "AS131916",
    "date_allocated" : "2011-08-04"
  },
  "company" : {
    "name" : "Tokyo Bay Network Co., Ltd.",
    "type" : "ISP",
    "domain" : "baynet.ne.jp"
  },
  "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" : "210.142.128.0/22",
    "country" : "JP",
    "name" : "IRT-JPNIC-JP",
    "organization" : "",
    "kind" : "group",
    "address" : "Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda, Chiyoda-ku, Tokyo 101-0047, japan",
    "emails" : [ "hostmaster@nic.ad.jp" ],
    "phone_numbers" : [ "+81352972311", " +81352972312" ]
  },
  "time_zone" : {
    "name" : "Asia/Tokyo",
    "offset" : 9.0,
    "offset_with_dst" : 9.0,
    "current_time" : "2026-10-22 08:36:05.083+0900",
    "current_time_unix" : 1.792625765083E9,
    "current_tz_abbreviation" : "JST",
    "current_tz_full_name" : "Japan Standard Time",
    "standard_tz_abbreviation" : "JST",
    "standard_tz_full_name" : "Japan 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 210.142.128.39.

Who operates 210.142.128.39?

Tokyo Bay Network Co., Ltd. operates AS131916, the autonomous system announcing this address. The associated company is Tokyo Bay Network Co., Ltd.; the reported network is 210.142.128.0/22.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when Tokyo Bay Network Co., Ltd. reassigns the block, so treat Chiyoda City as an estimate, not a fixed point.

View IP Location API

How do I report abuse?

The listed abuse contact is IRT-JPNIC-JP. 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=210.142.128.39' \
  --data-urlencode 'include=*'
Response 
{ "ip": "210.142.128.39" }

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Frequently Asked Questions

The latest lookup maps 210.142.128.39 to Chiyoda City, Tokyo, Japan. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS131916 and company Tokyo Bay Network Co., Ltd.. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 210.142.128.39 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 210.142.128.39 is Asia/Tokyo. 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 210.142.128.39.
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.