IP address 191.124.255.101

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Overview

LocationCity, region and country where this IP is located.
Tokyo, Tokyo Metropolis, JP
ASNThe autonomous system that announces this IP on the internet.
AS139923 — ABCCLOUD SDN.BHD.
TimezoneThe IANA time zone at this IP's location.
Asia/Tokyo
NetworkThe routed network block (CIDR) that contains this IP.
191.124.255.0/24
CompanyThe organization this IP is assigned to.
FASTMOS CO., LIMITED
Abuse contactWhere to report spam, attacks or other misuse from this IP.
support@fastmos.com

Associated location

Tokyo

Tokyo Metropolis, Japan (JP)

Powered byIP Geolocation API

City
Tokyo
District / county
Koto
State / province
Tokyo Metropolis
Country
Japan
Postal code
135-0022
Coordinates
35.68467, 139.80881

Japan

35.68467, 139.80881

© 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
FASTMOS CO., LIMITED

Abuse contact

IRT-FASTMOS2-HK1

support@fastmos.com

Powered byIP Abuse Contact API

Name
IRT-FASTMOS2-HK1
Organization
—
Network
191.124.255.0/24
Country
HK
Kind
group
Address
ROOM 202 FACTORY F ON 9/F, WINNER FACTORY BUILDING, NO.55 HUNG TO RD KWUN TONG, HONGKONG HONGKONG 999077
Emails
support@fastmos.com
Phone numbers
+852 3468 3491

Autonomous system

AS139923

ABCCLOUD SDN.BHD.

Powered byIP to ASN Database

ASN
AS139923
Country
MY
Domain
abccloud.co.uk
Regional registry
APNIC
Organization
ABCCLOUD SDN.BHD.
Type
Hosting provider
Allocated on
2024-12-31

Organization

ABCCLOUD SDN.BHD.

AS139923 abccloud.co.uk Hosting MY

Associated company

FASTMOS CO., LIMITED

BUSINESS · fastmos.com

Powered byIP to Company Database

Name
FASTMOS CO., LIMITED
Type
Business
Domain
fastmos.com

Network route

191.124.255.0/24

Powered byIP Geolocation API

Hostname
191.124.255.101
Route
191.124.255.0/24
Connection type
—
Anycast
No
CDN
No
CDN provider
—

Time zone

Asia/Tokyo

2026-11-11 03:48

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
Tokyo

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" : "191.124.255.101",
  "hostname" : "191.124.255.101",
  "location" : {
    "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 Metropolis",
    "state_code" : "JP-13",
    "district" : "Koto",
    "city" : "Tokyo",
    "locality" : "Tokyo",
    "accuracy_radius" : "11.785",
    "confidence" : "medium",
    "dma_code" : "",
    "zipcode" : "135-0022",
    "latitude" : "35.68467",
    "longitude" : "139.80881",
    "is_eu" : false,
    "country_flag" : "https://ipgeolocation.io/static/flags/jp_64.png",
    "geoname_id" : "12149683",
    "country_emoji" : "🇯🇵"
  },
  "country_metadata" : {
    "calling_code" : "+81",
    "tld" : ".jp",
    "languages" : [ "ja" ]
  },
  "network" : {
    "connection_type" : "",
    "route" : "191.124.255.0/24",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "JPY",
    "name" : "Yen",
    "symbol" : "¥"
  },
  "asn" : {
    "as_number" : "AS139923",
    "organization" : "ABCCLOUD SDN.BHD.",
    "country" : "MY",
    "type" : "HOSTING",
    "domain" : "abccloud.co.uk",
    "date_allocated" : "2024-12-31",
    "rir" : "APNIC"
  },
  "company" : {
    "name" : "FASTMOS CO., LIMITED",
    "type" : "BUSINESS",
    "domain" : "fastmos.com"
  },
  "security" : {
    "threat_score" : 5,
    "is_tor" : false,
    "is_proxy" : false,
    "proxy_provider_names" : [ ],
    "proxy_confidence_score" : 0,
    "proxy_last_seen" : "",
    "proxy_days_seen_30d" : 0,
    "proxy_days_seen_7d" : 0,
    "proxy_provider_count_30d" : 0,
    "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" : "FASTMOS CO., LIMITED",
    "is_corporate_gateway" : false,
    "corporate_gateway_type" : "",
    "corporate_gateway_provider_name" : ""
  },
  "abuse" : {
    "route" : "191.124.255.0/24",
    "country" : "HK",
    "name" : "IRT-FASTMOS2-HK1",
    "organization" : "",
    "kind" : "group",
    "address" : "ROOM 202 FACTORY F ON 9/F, WINNER FACTORY BUILDING, NO.55 HUNG TO RD KWUN TONG, HONGKONG HONGKONG 999077",
    "emails" : [ "support@fastmos.com" ],
    "phone_numbers" : [ "+85234683491" ]
  },
  "time_zone" : {
    "name" : "Asia/Tokyo",
    "offset" : 9,
    "offset_with_dst" : 9,
    "current_time" : "2026-11-11 03:48:58.948+0900",
    "current_time_unix" : 1.794336538948E9,
    "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" : "??",
      "version_major" : "??",
      "build" : "??"
    }
  }
}

Evaluation Checklist

Behind the address

What the data tells you about 191.124.255.101.

Who operates 191.124.255.101?

ABCCLOUD SDN.BHD. operates AS139923, the autonomous system announcing this address. The associated company is FASTMOS CO., LIMITED; the reported network is 191.124.255.0/24.

View ASN API

Why can its location change?

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

View IP Geolocation API

How do I report abuse?

The listed abuse contact is IRT-FASTMOS2-HK1. 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=191.124.255.101' \
  --data-urlencode 'include=*'
Response 
{ "ip": "191.124.255.101" }

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Frequently Asked Questions

The latest lookup maps 191.124.255.101 to Tokyo, Tokyo Metropolis, Japan. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS139923 and company FASTMOS CO., LIMITED. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 191.124.255.101 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 191.124.255.101 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 191.124.255.101.
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.