IP address

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.000104.251.181.51
Shodan(more info)
Passive DNS
Tags: Scanner
IP blacklists
Spamhaus SBL
104.251.181.51 is listed on the Spamhaus SBL blacklist.

Description: The Spamhaus Block List ("SBL") Advisory is a database of IP addresses from which Spamhaus does not recommend the acceptance of electronic mail.
Type of feed: secondary (DNSBL) (feed detail page)

Last checked at: 2026-06-18 10:47:00.129000
Was present on blacklist at: 2026-05-21 10:46, 2026-05-28 10:47, 2026-06-04 10:47, 2026-06-11 10:47, 2026-06-18 10:47
Spamhaus DROP
104.251.181.51 is listed on the Spamhaus DROP blacklist.

Description: Spamhaus DROP (Don't Route Or Peer) list. Netblocks controlled by spammers or cyber criminals. The DROP lists are a tiny subset of the SBL, designed for use by firewalls and routing equipment to filter out the malicious traffic from these netblocks.
Type of feed: secondary (DNSBL) (feed detail page)

Last checked at: 2026-06-18 10:47:00.129000
Was present on blacklist at: 2026-05-21 10:46, 2026-05-28 10:47, 2026-06-04 10:47, 2026-06-11 10:47, 2026-06-18 10:47

Threat categories

TLRoleCategoryDetails
No threat category tags assigned
Warden events (273)
2026-06-09
ReconScanning (node.9c1411): 29
2026-06-08
ReconScanning (node.9c1411): 46
2026-06-07
ReconScanning (node.9c1411): 1
2026-06-06
ReconScanning (node.9c1411): 33
2026-06-05
ReconScanning (node.9c1411): 41
2026-06-04
ReconScanning (node.9c1411): 29
2026-06-03
ReconScanning (node.9c1411): 37
2026-06-02
ReconScanning (node.9c1411): 36
2026-06-01
ReconScanning (node.9c1411): 17
2026-05-23
ReconScanning (node.9c1411): 1
2026-05-22
ReconScanning (node.9c1411): 1
2026-05-21
ReconScanning (node.9c1411): 2
Origin AS
AS402253 - SKN-NETWORK-1
BGP Prefix
104.251.180.0/22
geo
Switzerland, Zurich
🕑 Europe/Zurich
hostname
(null)
Address block ('inetnum' or 'NetRange' in whois database)
104.251.180.0 - 104.251.183.255
last_activity
2026-06-09 18:02:43
last_warden_event
2026-06-09 18:02:43
rep
0.0
reserved_range
0
ts_added
2026-05-21 10:46:58.626000
ts_last_update
2026-06-23 10:47:00.182000

Warden event timeline

DShield event timeline

Presence on blacklists