IP address

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.500121.152.211.78

Shodan(more info)

Passive DNS

IP blacklists

AbuseIPDB

121.152.211.78 is listed on the AbuseIPDB blacklist.

Description: AbuseIPDB is a project managed by Marathon Studios Inc.<br>Lists IPs performing a malicious activity (DDoS, spam, phishing...)
Type of feed: primary (feed detail page)

Last checked at: 2026-04-04 04:00:00.579000
Was present on blacklist at: 2026-03-22 05:00, 2026-03-23 05:00, 2026-03-25 05:00, 2026-04-04 04:00

Echelon telnet bruteforce

121.152.211.78 is listed on the Echelon telnet bruteforce blacklist.

Description: Multiple telnet authentication attempts detected
Type of feed: primary (feed detail page)

Last checked at: 2026-03-31 09:45:00.449000
Was present on blacklist at: 2026-03-24 10:45, 2026-03-25 10:45, 2026-03-26 10:45, 2026-03-27 10:45, 2026-03-28 10:45, 2026-03-29 09:45, 2026-03-30 09:45, 2026-03-31 09:45

Threat categories

TL	Role	Category	Details
50	src	scan	port: 23
25	src	—
25	src	login	protocol: telnet

---

Warden events (308)

2026-04-07

ReconScanning (node.ce2b59): 14

2026-04-06

ReconScanning (node.ce2b59): 31

2026-04-05

ReconScanning (node.ce2b59): 32

2026-04-04

ReconScanning (node.ce2b59): 30

2026-04-03

ReconScanning (node.ce2b59): 31

2026-04-02

ReconScanning (node.ce2b59): 30

2026-04-01

ReconScanning (node.ce2b59): 30

2026-03-31

ReconScanning (node.ce2b59): 13

2026-03-30

ReconScanning (node.ce2b59): 19

2026-03-29

ReconScanning (node.ce2b59): 19

2026-03-28

ReconScanning (node.ce2b59): 18

2026-03-27

ReconScanning (node.ce2b59): 20

2026-03-26

ReconScanning (node.ce2b59): 15

2026-03-25

ReconScanning (node.ce2b59): 6

Origin AS

AS4766 - KIXS-AS-KR KIXS-AS-KR-KR

BGP Prefix

121.152.0.0/13

geo

South Korea, Daedeok-gu

🕑 Asia/Seoul

hostname

(null)

Address block ('inetnum' or 'NetRange' in whois database)

121.128.0.0 - 121.159.255.255

last_activity

2026-04-07 10:40:48

last_warden_event

2026-04-07 10:40:48

rep

0.49991698038010374

reserved_range

0

ts_added

2026-03-22 05:00:33.743000

ts_last_update

2026-04-07 10:43:32.612000

Warden event timeline

DShield event timeline

Presence on blacklists