IP address

Search at other sites:

.064104.168.45.21104-168-45-21-host.colocrossing.com

Shodan(more info)

Passive DNS

IP blacklists

Spamhaus PBL

104.168.45.21 was recently listed on the Spamhaus PBL blacklist, but currently it is not.

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: 2026-10-10 17:54:51.883000
Was present on blacklist at: 2026-10-10 17:54

Threat categories

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

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Warden events (292)

2026-10-11

IntrusionUserCompromise (node.cfb4f7): 192

2026-10-10

IntrusionUserCompromise (node.cfb4f7): 100

DShield reports (IP summary, reports)

2026-10-10

Number of reports: 49

Distinct targets: 4

2026-10-11

Number of reports: 72

Distinct targets: 3

Origin AS

AS36352 - AS-COLOCROSSING

BGP Prefix

104.168.45.0/24

geo

United States, Buffalo

🕑 America/New_York

hostname

104-168-45-21-host.colocrossing.com

hostname_class

['ip_in_hostname']

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

104.168.0.0 - 104.168.127.255

last_activity

2026-10-11 07:10:17

last_warden_event

2026-10-11 07:10:17

rep

0.06417723719534896

reserved_range

0

Shodan's InternetDB

Open ports: 21

Tags: –

CPEs: –

ts_added

2026-10-10 17:54:51.848000

ts_last_update

2026-10-13 17:55:00.115000

Warden event timeline

DShield event timeline

Presence on blacklists