IP address

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.021121.138.63.146

Shodan(more info)

Passive DNS

IP blacklists

Spamhaus PBL

121.138.63.146 is listed on the Spamhaus PBL blacklist.

Description: The Spamhaus PBL is a DNSBL database of end-user IP address ranges which should not be delivering unauthenticated SMTP email to any Internet mail server except those provided for specifically by an ISP for that customer's use.
Type of feed: secondary (DNSBL) (feed detail page)

Last checked at: 2026-03-31 19:12:40.645000
Was present on blacklist at: 2026-03-17 19:12, 2026-03-24 19:12, 2026-03-31 19:12

Threat categories

TL	Role	Category	Details
44	src	scan

---

Warden events (8)

2026-03-27

ReconScanning (node.4dc198): 3

2026-03-24

ReconScanning (node.4dc198): 3

2026-03-17

ReconScanning (node.368407): 2

Origin AS

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

BGP Prefix

121.136.0.0/13

geo

South Korea, Seocho-gu

🕑 Asia/Seoul

hostname

(null)

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

121.128.0.0 - 121.159.255.255

last_activity

2026-03-27 01:31:25

last_warden_event

2026-03-27 01:31:25

rep

0.020833333333333332

reserved_range

0

Shodan's InternetDB

Open ports: 631, 10019

Tags: –

CPEs: –

ts_added

2026-03-17 19:12:36.225000

ts_last_update

2026-04-06 19:12:40.072000

Warden event timeline

DShield event timeline

Presence on blacklists