IP address

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--121.172.63.76

Shodan(more info)

Passive DNS

IP blacklists

Spamhaus PBL

121.172.63.76 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: 2026-04-07 05:16:44.401000
Was present on blacklist at: 2026-03-31 05:09, 2026-04-07 05:16

Threat categories

TL	Role	Category	Details
50	src	scan

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DShield reports (IP summary, reports)

2026-03-30

Number of reports: 27

Distinct targets: 7

2026-03-31

Number of reports: 27

Distinct targets: 7

Origin AS

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

BGP Prefix

121.168.0.0/13

geo

South Korea, Incheon

🕑 Asia/Seoul

hostname

(null)

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

121.160.0.0 - 121.191.255.255

reserved_range

0

ts_added

2026-03-31 05:09:57.813000

ts_last_update

2026-04-07 05:16:44.475000

Warden event timeline

DShield event timeline

Presence on blacklists