IP address 121.1.100.4

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Overview

LocationCity, region and country where this IP is located.
Sacheon, Gyeongsangnam-do, KR
ASNThe autonomous system that announces this IP on the internet.
AS9694 — Seokyung Cable Television Co., Ltd.
TimezoneThe IANA time zone at this IP's location.
Asia/Seoul
NetworkThe routed network block (CIDR) that contains this IP.
121.1.96.0/21
CompanyThe organization this IP is assigned to.
Seokyung Cable Television Co.. Ltd.
Abuse contactWhere to report spam, attacks or other misuse from this IP.
hostmaster@nic.or.kr

Reported location

Sacheon

Gyeongsangnam-do, South Korea (KR)

Powered byIP Geolocation API

City
Sacheon
District / county
Sacheon
State / province
Gyeongsangnam-do
Country
South Korea
Postal code
52536
Coordinates
35.06202, 128.06877

South Korea

35.06202, 128.06877

© 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

IRT-KRNIC-KR

hostmaster@nic.or.kr

Powered byIP Abuse Contact API

Name
IRT-KRNIC-KR
Organization
—
Network
121.1.64.0/18
Country
KR
Kind
group
Address
Seocho-ro 398, Seocho-gu, Seoul, Korea
Emails
hostmaster@nic.or.kr
Phone numbers
+82 55-740-3001

Autonomous system

AS9694

Seokyung Cable Television Co., Ltd.

Powered byASN Records

ASN
AS9694
Country
KR
Domain
scs.co.kr
Regional registry
KRNIC
Organization
Seokyung Cable Television Co., Ltd.
Type
Internet service provider (ISP)
Allocated on
1999-10-05

Organization

Seokyung Cable Television Co., Ltd.

Associated company

Seokyung Cable Television Co.. Ltd.

ISP · sktv.co.kr

Powered byIP Geolocation API

Name
Seokyung Cable Television Co.. Ltd.
Type
Internet service provider (ISP)
Domain
sktv.co.kr

Network route

121.1.96.0/21

Cable

Powered byIP Geolocation API

Hostname
121.1.100.4
Route
121.1.96.0/21
Connection type
Cable
Anycast
no
CDN
no
CDN provider
—

Time zone

Asia/Seoul

2026-10-07 09:18

Powered byTime Zone API

Offset from UTC
9.0
Standard time zone
Korean Standard Time
Standard abbreviation
KST
Daylight saving time
false
DST savings (hours)
0
Observing DST now
false
Sacheon

South Korea

35.06202, 128.06877

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" : "121.1.100.4",
  "hostname" : "121.1.100.4",
  "location" : {
    "district" : "Sacheon",
    "city" : "Sacheon",
    "locality" : "Sanam-myeon",
    "zipcode" : "52536",
    "latitude" : "35.06202",
    "longitude" : "128.06877",
    "continent_code" : "AS",
    "continent_name" : "Asia",
    "country_code2" : "KR",
    "country_code3" : "KOR",
    "country_name" : "South Korea",
    "country_name_official" : "Republic of Korea",
    "country_capital" : "Seoul",
    "state_prov" : "Gyeongsangnam-do",
    "state_code" : "KR-48",
    "accuracy_radius" : "7.722",
    "confidence" : "high",
    "dma_code" : "",
    "is_eu" : false,
    "country_flag" : "https://ipgeolocation.io/static/flags/kr_64.png",
    "geoname_id" : "1894474",
    "country_emoji" : "🇰🇷"
  },
  "country_metadata" : {
    "tld" : ".kr",
    "languages" : [ "ko-KR", "en" ],
    "calling_code" : "+82"
  },
  "network" : {
    "route" : "121.1.96.0/21",
    "connection_type" : "Cable",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "KRW",
    "name" : "Won",
    "symbol" : "₩"
  },
  "asn" : {
    "organization" : "Seokyung Cable Television Co., Ltd.",
    "country" : "KR",
    "type" : "ISP",
    "domain" : "scs.co.kr",
    "rir" : "KRNIC",
    "as_number" : "AS9694",
    "date_allocated" : "1999-10-05"
  },
  "company" : {
    "name" : "Seokyung Cable Television Co.. Ltd.",
    "type" : "ISP",
    "domain" : "sktv.co.kr"
  },
  "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" : "121.1.64.0/18",
    "country" : "KR",
    "name" : "IRT-KRNIC-KR",
    "organization" : "",
    "kind" : "group",
    "address" : "Seocho-ro 398, Seocho-gu, Seoul, Korea",
    "emails" : [ "hostmaster@nic.or.kr" ],
    "phone_numbers" : [ "+82557403001" ]
  },
  "time_zone" : {
    "name" : "Asia/Seoul",
    "offset" : 9.0,
    "offset_with_dst" : 9.0,
    "current_time" : "2026-10-07 09:18:26.496+0900",
    "current_time_unix" : 1.791332306496E9,
    "current_tz_abbreviation" : "KST",
    "current_tz_full_name" : "Korean Standard Time",
    "standard_tz_abbreviation" : "KST",
    "standard_tz_full_name" : "Korean 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 121.1.100.4.

Who operates 121.1.100.4?

Seokyung Cable Television Co., Ltd. operates AS9694, the autonomous system announcing this address. The associated company is Seokyung Cable Television Co.. Ltd.; the reported network is 121.1.96.0/21.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when Seokyung Cable Television Co., Ltd. reassigns the block, so treat Sacheon as an estimate, not a fixed point.

View IP Location API

How do I report abuse?

The listed abuse contact is IRT-KRNIC-KR. 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=121.1.100.4' \
  --data-urlencode 'include=*'
Response 
{ "ip": "121.1.100.4" }

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Frequently Asked Questions

The latest lookup maps 121.1.100.4 to Sacheon, Gyeongsangnam-do, South Korea. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS9694 and company Seokyung Cable Television Co.. Ltd.. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 121.1.100.4 is Cable. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 121.1.100.4 is Asia/Seoul. 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 121.1.100.4.
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.