IP address

Search at other sites:

--204.44.100.21204-44-100-21-host.colocrossing.com

Shodan(more info)

Passive DNS

IP blacklists

Echelon TLS/SSL crawler

204.44.100.21 is listed on the Echelon TLS/SSL crawler blacklist.

Description: TLS/SSL connection fingerprinting detected via Suricata
Type of feed: primary (feed detail page)

Last checked at: 2026-03-22 10:40:00.533000
Was present on blacklist at: 2026-03-15 10:40, 2026-03-16 10:40, 2026-03-17 10:40, 2026-03-18 10:40, 2026-03-19 10:40, 2026-03-20 10:40, 2026-03-21 10:40, 2026-03-22 10:40

Echelon web crawler

204.44.100.21 is listed on the Echelon web crawler blacklist.

Description: HTTP web crawling activity detected on web honeypots
Type of feed: primary (feed detail page)

Last checked at: 2026-03-22 10:50:00.901000
Was present on blacklist at: 2026-03-17 10:50, 2026-03-18 10:50, 2026-03-19 10:50, 2026-03-20 10:50, 2026-03-21 10:50, 2026-03-22 10:50

Threat categories

TL	Role	Category	Details
50	src	scan

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DShield reports (IP summary, reports)

2026-03-01

Number of reports: 12

Distinct targets: 4

2026-03-04

Number of reports: 12

Distinct targets: 4

2026-03-05

Number of reports: 12

Distinct targets: 4

2026-03-25

Number of reports: 52

Distinct targets: 18

2026-03-26

Number of reports: 52

Distinct targets: 18

2026-04-04

Number of reports: 46

Distinct targets: 40

Origin AS

AS36352 - AS-COLOCROSSING

BGP Prefix

204.44.100.0/24

geo

United States, Los Angeles

🕑 America/Los_Angeles

hostname

204-44-100-21-host.colocrossing.com

hostname_class

['ip_in_hostname']

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

204.44.64.0 - 204.44.127.255

reserved_range

0

ts_added

2026-03-02 05:05:39.785000

ts_last_update

2026-04-06 05:08:10.741000

Warden event timeline

DShield event timeline

Presence on blacklists