IP address

Search at other sites:

.21737.134.166.2121.166.134.37.dynamic.jazztel.es

Shodan(more info)

Passive DNS

IP blacklists

Spamhaus PBL

37.134.166.21 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: 2026-08-01 07:44:00.227000
Was present on blacklist at: 2026-07-25 07:43, 2026-08-01 07:44

CI Army

37.134.166.21 is listed on the CI Army blacklist.

Description: Collective Intelligence Network Security is a Threat Intelligence<br>database that provides scores for IPs. Source of unspecified malicious attacks<br>most of them will be active attackers/scanners
Type of feed: primary (feed detail page)

Last checked at: 2026-08-06 02:50:00.812000
Was present on blacklist at: 2026-07-31 02:50, 2026-08-01 02:50, 2026-08-02 02:50, 2026-08-03 02:50, 2026-08-05 02:50, 2026-08-06 02:50

Threat categories

TL	Role	Category	Details
48	src	scan	port: many
25	src	—

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Warden events (71)

2026-08-05

ReconScanning (node.ce2b59): 4

2026-08-04

ReconScanning (node.ce2b59): 5

2026-08-01

ReconScanning (node.ce2b59): 16

2026-07-31

ReconScanning (node.ce2b59): 6

2026-07-30

ReconScanning (node.ce2b59): 15

2026-07-29

ReconScanning (node.ce2b59): 2

2026-07-28

ReconScanning (node.ce2b59): 5

2026-07-26

ReconScanning (node.ce2b59): 9

2026-07-25

ReconScanning (node.ce2b59): 9

Origin AS

AS12479 - UNI2-AS

BGP Prefix

37.134.164.0/22

geo

Spain, Alcalá de Henares

🕑 Europe/Madrid

hostname

21.166.134.37.dynamic.jazztel.es

hostname_class

['ip_in_hostname', 'dynamic']

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

37.132.0.0 - 37.135.255.255

last_activity

2026-08-05 21:26:45

last_warden_event

2026-08-05 21:26:45

rep

0.21657776316162658

reserved_range

0

ts_added

2026-07-25 07:43:56.068000

ts_last_update

2026-08-06 07:44:00.375000

Warden event timeline

DShield event timeline

Presence on blacklists