IP address


.00023.236.136.21
Shodan(more info)
Passive DNS
Tags:
IP blacklists
Spamhaus SBL CSS
23.236.136.21 was recently listed on the Spamhaus SBL CSS blacklist, but currently it is not.

Description: The Spamhaus CSS is part of the SBL. CSS listings will have return code 127.0.0.3 to differentiate from regular SBL listings, which have return code 127.0.0.2.
Type of feed: secondary (DNSBL) (feed detail page)

Last checked at: 2026-10-30 07:44:14.580000
Was present on blacklist at: 2026-08-28 07:44, 2026-09-04 07:44, 2026-09-11 07:44, 2026-09-18 07:44, 2026-09-25 07:44, 2026-10-02 07:44, 2026-10-09 07:44, 2026-10-16 07:44, 2026-10-23 07:44, 2026-10-30 07:44

Threat categories

TLRoleCategoryDetails
No threat category tags assigned

Origin AS
AS55286 - SERVER-MANIA
BGP Prefix
23.236.136.0/24
geo
Canada, Montreal
🕑 America/Toronto
hostname
(null)
Address block ('inetnum' or 'NetRange' in whois database)
23.236.128.0 - 23.236.255.255
last_activity
2026-08-10 00:00:00
rep
0.0
reserved_range
0
ts_added
2026-08-28 07:44:07.490000
ts_last_update
2026-11-04 07:44:14.270000

Warden event timeline

DShield event timeline

Presence on blacklists