IP address 173.39.146.146

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Overview

LocationCity, region and country where this IP is located.
Gifu, JP
ASNThe autonomous system that announces this IP on the internet.
AS109 — Cisco Systems, Inc.
TimezoneThe IANA time zone at this IP's location.
Asia/Tokyo
NetworkThe routed network block (CIDR) that contains this IP.
173.39.144.0/21
CompanyThe organization this IP is assigned to.
Cisco Systems, Inc.
Abuse contactWhere to report spam, attacks or other misuse from this IP.
csirt-notify@cisco.com

Reported location

Gifu

Japan (JP)

Powered byIP Geolocation API

City
Gifu
District / county
Gifu
State / province
Gifu
Country
Japan
Postal code
500-8034
Coordinates
35.42342, 136.76062

Japan

35.42342, 136.76062

© OpenStreetMap

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
  • 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.Not 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

No anonymity signals

This IP is not flagged as a VPN, proxy, relay, bot, cloud provider or corporate gateway.

Abuse contact

Cisco CSIRT

csirt-notify@cisco.com

Powered byIP Abuse Contact API

Name
Cisco CSIRT
Organization
Cisco Systems, Inc.
Network
173.36.0.0/14
Country
US
Kind
group
Address
7025 Kit Creek Road, Research Triangle Park, NC, 27709, United States
Emails
csirt-notify@cisco.com
Phone numbers
+1 408-527-3227

Autonomous system

AS109

Cisco Systems, Inc.

Powered byASN Records

ASN
AS109
Country
US
Domain
cisco.com
Regional registry
ARIN
Organization
Cisco Systems, Inc.
Type
Business
Allocated on
1987-05-06

Organization

Cisco Systems, Inc.

Associated company

Cisco Systems, Inc.

BUSINESS · cisco.com

Powered byIP Geolocation API

Name
Cisco Systems, Inc.
Type
Business
Domain
cisco.com

Network route

173.39.144.0/21

Powered byIP Geolocation API

Hostname
173.39.146.146
Route
173.39.144.0/21
Connection type
—
Anycast
no
CDN
no
CDN provider
—

Time zone

Asia/Tokyo

2026-10-08 00:32

Powered byTime Zone API

Offset from UTC
9.0
Standard time zone
Japan Standard Time
Standard abbreviation
JST
Daylight saving time
false
DST savings (hours)
0
Observing DST now
false
Gifu

Japan

35.42342, 136.76062

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" : "173.39.146.146",
  "hostname" : "173.39.146.146",
  "location" : {
    "district" : "Gifu",
    "city" : "Gifu",
    "locality" : "Gifu",
    "zipcode" : "500-8034",
    "latitude" : "35.42342",
    "longitude" : "136.76062",
    "continent_code" : "AS",
    "continent_name" : "Asia",
    "country_code2" : "JP",
    "country_code3" : "JPN",
    "country_name" : "Japan",
    "country_name_official" : "Japan",
    "country_capital" : "Tokyo",
    "state_prov" : "Gifu",
    "state_code" : "JP-21",
    "accuracy_radius" : "5.153",
    "confidence" : "high",
    "dma_code" : "",
    "is_eu" : false,
    "country_flag" : "https://ipgeolocation.io/static/flags/jp_64.png",
    "geoname_id" : "7422921",
    "country_emoji" : "🇯🇵"
  },
  "country_metadata" : {
    "tld" : ".jp",
    "languages" : [ "ja" ],
    "calling_code" : "+81"
  },
  "network" : {
    "route" : "173.39.144.0/21",
    "connection_type" : "",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "JPY",
    "name" : "Yen",
    "symbol" : "¥"
  },
  "asn" : {
    "organization" : "Cisco Systems, Inc.",
    "country" : "US",
    "type" : "BUSINESS",
    "domain" : "cisco.com",
    "rir" : "ARIN",
    "as_number" : "AS109",
    "date_allocated" : "1987-05-06"
  },
  "company" : {
    "name" : "Cisco Systems, Inc.",
    "type" : "BUSINESS",
    "domain" : "cisco.com"
  },
  "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" : "173.36.0.0/14",
    "country" : "US",
    "name" : "Cisco CSIRT",
    "organization" : "Cisco Systems, Inc.",
    "kind" : "group",
    "address" : "7025 Kit Creek Road, Research Triangle Park, NC, 27709, United States",
    "emails" : [ "csirt-notify@cisco.com" ],
    "phone_numbers" : [ "+14085273227" ]
  },
  "time_zone" : {
    "name" : "Asia/Tokyo",
    "offset" : 9.0,
    "offset_with_dst" : 9.0,
    "current_time" : "2026-10-08 00:32:43.989+0900",
    "current_time_unix" : 1.791387163989E9,
    "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 173.39.146.146.

Who operates 173.39.146.146?

Cisco Systems, Inc. operates AS109, the autonomous system announcing this address. The associated company is Cisco Systems, Inc.; the reported network is 173.39.144.0/21.

View ASN API

Why can its location change?

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

View IP Location API

How do I report abuse?

The listed abuse contact is Cisco CSIRT. 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=173.39.146.146' \
  --data-urlencode 'include=*'
Response 
{ "ip": "173.39.146.146" }

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Frequently Asked Questions

The latest lookup maps 173.39.146.146 to Gifu, Gifu, Japan. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS109 and company Cisco Systems, Inc.. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 173.39.146.146 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 173.39.146.146 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 173.39.146.146.
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.