IOC Radar
IPMediumSignal 78/100

121.172.205.138

Location
Korea, Republic ofKorea, Republic of
Yeonsu-gu, Incheon
ASN
AS4766
KT Corporation
First Seen
Feb 8, 2026
Last Seen
May 9, 2026
Feb 8
First Seen
125d ago
May 9
Last Seen
34d ago
7
Reports
source reports
78%
Confidence
medium
Found in 7 reports. Confidence: medium. · Confidence scores are heuristic. Verify before acting on results.
IPv4 Address
Network layer indicator observed in threat reports.
MISP Category
Network Activity
Confidence
78%
Signal Score
78 / 100
IDS Rule
No
Threat Context
Tags
MITRE ATT&CK

MITRE ATT&CK TTPs

3 techniques

Network Information

CountryKRKorea, Republic of
RegionYeonsu-gu, Incheon
ASNAS4766
OrganizationKT Corporation

Feed Intelligence Summary

7 reports78% confidence
7
Source reports
78%
Confidence score
Category tags
abuseactive scanactive scanningasiabad reputationbad web botbotnet activitybrute forcebrute force attackerexploitation activityhackingindicatorkrnetworkportscanransomwarereconnaissanceresearchedscannerscannersservice scansocradar honeypotsouth koreat1595.001t1595.002t1595.003vultrweb app attack

Activity Timeline

1 total obs
May 9May 9

Threat Activity Heatmap

· Peak: 2026-05-09
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24h
0
Dormant
7d
0
Dormant
30d
0
Dormant
3mo
1
Minimal
Threat ScoreHigh Risk
78
SIGNAL
Signal Score
78%
Confidence
7
Reports
First seenFeb 8, 2026
Last seenMay 9, 2026
GeolocationKR
CountryKorea, Republic of
LocationYeonsu-gu, Incheon
ASNAS4766
OrgKT Corporation
Coords37.5053, 126.7220

VirusTotal

Not checked

WHOIS

description
IPv4 hosts detected port scanning Vultr Tokyo (Japan) honeypot
raw
inetnum: 121.160.0.0 - 121.191.255.255 netname: KORNET descr: Korea Telecom admin-c: IM667-AP tech-c: IM667-AP country: KR status: ALLOCATED PORTABLE mnt-by: MNT-KRNIC-AP mnt-irt: IRT-KRNIC-KR last-modified: 2017-02-03T02:22:01Z source: APNIC irt: IRT-KRNIC-KR address: 9, Jinheung-gil, Naju-si, Jeollanam-do e-mail: [email protected] abuse-mailbox: [email protected] admin-c: IM574-AP tech-c: IM574-AP auth: # Filtered remarks: [email protected] was validated on 2020-04-09 mnt-by: MNT-KRNIC-AP last-modified: 2025-09-04T01:00:01Z source: APNIC person: IP Manager address: Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90 country: KR phone: +82-2-500-6630 e-mail: [email protected] nic-hdl: IM667-AP mnt-by: MNT-KRNIC-AP last-modified: 2017-03-28T06:37:04Z source: APNIC inetnum: 121.160.0.0 - 121.191.255.255 netname: KORNET-KR descr: Korea Telecom country: KR admin-c: IA9-KR tech-c: IM9-KR status: ALLOCATED PORTABLE mnt-by: MNT-KRNIC-AP mnt-irt: IRT-KRNIC-KR changed: [email protected] 20240912 remarks: This information has been partially mirrored by APNIC from remarks: KRNIC. To obtain more specific information, please use the remarks: KRNIC whois server at whois.kisa.or.kr. source: KRNIC person: IP Manager address: Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90 address: KT Head Office country: KR phone: +82-2-500-6630 e-mail: [email protected] nic-hdl: IA9-KR mnt-by: MNT-KRNIC-AP changed: [email protected] 20240912 remarks: This information has been partially mirrored by APNIC from remarks: KRNIC. To obtain more specific information, please use the remarks: KRNIC whois server at whois.kisa.or.kr. source: KRNIC person: IP Manager address: Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90 address: KT Head Office country: KR phone: +82-2-500-6630 e-mail: [email protected] nic-hdl: IM9-KR mnt-by: MNT-KRNIC-AP changed: [email protected] 20240912 remarks: This information has been partially mirrored by APNIC from remarks: KRNIC. To obtain more specific information, please use the remarks: KRNIC whois server at whois.kisa.or.kr. source: KRNIC

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IOC Journey

medium
First detected 4 months ago · Last seen 1 month ago
Appeared in 7 threat reports