IP address

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.21377.51.48.46
Shodan(more info)
Passive DNS
Tags: Scanner
IP blacklists
Spamhaus PBL
77.51.48.46 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: 2025-12-11 07:34:26.513000
Was present on blacklist at: 2025-12-11 07:34
Warden events (21)
2025-12-15
ReconScanning (node.9c1411): 3
2025-12-14
ReconScanning (node.9c1411): 9
2025-12-13
ReconScanning (node.9c1411): 7
2025-12-11
ReconScanning (node.9c1411): 2
Origin AS
AS12389 - ROSTELECOM-AS
BGP Prefix
77.51.48.0/21
geo
Russia, Moscow
🕑 Europe/Moscow
hostname
(null)
Address block ('inetnum' or 'NetRange' in whois database)
77.51.0.0 - 77.51.255.255
last_activity
2025-12-15 11:00:36
last_warden_event
2025-12-15 11:00:36
rep
0.21252790178571426
reserved_range
0
Shodan's InternetDB
Open ports: 21, 22, 80, 8291
Tags: –
CPEs: –
ts_added
2025-12-11 07:34:26.350000
ts_last_update
2025-12-15 11:05:19.918000

Warden event timeline

DShield event timeline

Presence on blacklists