IOC Radar
IPMediumSignal 73/100

121.172.62.28

Location
Korea, Republic ofKorea, Republic of
Incheon, 28
ASN
AS4766
Korea Telecom
First Seen
Feb 27, 2026
Last Seen
May 27, 2026
Feb 27
First Seen
116d ago
May 27
Last Seen
27d ago
7
Reports
source reports
73%
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
73%
Signal Score
73 / 100
IDS Rule
No
Threat Context
Tags
MITRE ATT&CK

MITRE ATT&CK TTPs

13 techniques

Network Information

CountryKRKorea, Republic of
RegionIncheon, 28
ASNAS4766
OrganizationKorea Telecom

Feed Intelligence Summary

7 reports73% confidence
7
Source reports
73%
Confidence score
Category tags
abuseactive scanactive scanningasiabad reputationbad web botbotnet activitybrute forcebrute force attackbrute force attackercredential accesscredential stuffingdata exfiltrationdata store exposuredatabase securityddosdenial of serviceexploitation activityexploited hosthackingidentity & access exploitationindicatorinjection activityinjection attackskorea, republic ofkrmalwarenetworkpassword attacksportscanransomwarereconnaissanceresearchedscannerscannersservice scansocradar honeypotsouth koreat1059.003t1110.001t1110.002t1110.003t1110.004t1190t1203t1486t1499.001t1499.002t1595.001t1595.002t1595.003vultrweb application attackweb exploitation

Activity Timeline

1 total obs
May 27May 27

Threat Activity Heatmap

· Peak: 2026-05-27
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24h
0
Dormant
7d
0
Dormant
30d
1
Minimal
3mo
1
Minimal
Threat ScoreHigh Risk
73
SIGNAL
Signal Score
73%
Confidence
7
Reports
First seenFeb 27, 2026
Last seenMay 27, 2026
GeolocationKR
CountryKorea, Republic of
LocationIncheon, 28
ASNAS4766
OrgKorea Telecom
Coords37.4562, 126.7288

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
references
https://jamesbrine.com.au/vultrtokyo-portscan-bruteforce-ip-list-2026-04-15/, https://jamesbrine.com.au

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IOC Journey

medium
First detected 3 months ago · Last seen 27 days ago
Appeared in 7 threat reports