IP address


.164203.143.21.17notifications.lankacom.net
Shodan(more info)
Passive DNS
Tags:
IP blacklists
blocklist.de SSH
203.143.21.17 is listed on the blocklist.de SSH blacklist.

Description: Blocklist.de feed is a free and voluntary service provided<br>by a Fraud/Abuse-specialist. IPs performing SSH attacks.
Type of feed: primary (feed detail page)

Last checked at: 2026-09-04 04:05:00.385000
Was present on blacklist at: 2026-08-28 10:05, 2026-08-28 16:05, 2026-08-28 22:05, 2026-08-29 04:05, 2026-08-29 10:05, 2026-08-29 16:05, 2026-08-29 22:05, 2026-08-30 04:05, 2026-08-30 10:05, 2026-08-30 16:05, 2026-08-30 22:05, 2026-08-31 04:05, 2026-08-31 10:05, 2026-08-31 16:05, 2026-08-31 22:05, 2026-09-01 04:05, 2026-09-01 10:05, 2026-09-01 16:05, 2026-09-02 04:05, 2026-09-02 10:05, 2026-09-02 16:05, 2026-09-02 22:05, 2026-09-03 04:05, 2026-09-03 10:05, 2026-09-03 16:05, 2026-09-03 22:05, 2026-09-04 04:05
AbuseIPDB
203.143.21.17 is listed on the AbuseIPDB blacklist.

Description: AbuseIPDB is a project managed by Marathon Studios Inc.<br>Lists IPs performing a malicious activity (DDoS, spam, phishing...)
Type of feed: primary (feed detail page)

Last checked at: 2026-08-31 04:00:00.582000
Was present on blacklist at: 2026-08-31 04:00
Spamhaus XBL CBL
203.143.21.17 is listed on the Spamhaus XBL CBL blacklist.

Description: The Spamhaus Exploits Block List (XBL) is a realtime database of IP addresses of hijacked PCs infected by illegal 3rd party exploits, including open proxies, worms/viruses with built-in spam engines, and other types of trojan-horse exploits.
Type of feed: secondary (DNSBL) (feed detail page)

Last checked at: 2026-09-04 10:12:31.458000
Was present on blacklist at: 2026-09-04 10:12

Threat categories

TLRoleCategoryDetails
50 src scan
45 src login protocol: ssh
25 src

Warden events (4)
2026-08-29
IntrusionUserCompromise (node.40929a): 3
AttemptLogin (node.40929a): 1
DShield reports (IP summary, reports)
2026-08-28
Number of reports: 269
Distinct targets: 10
2026-08-29
Number of reports: 404
Distinct targets: 11
2026-08-30
Number of reports: 404
Distinct targets: 11
2026-08-31
Number of reports: 589
Distinct targets: 10
2026-09-01
Number of reports: 129
Distinct targets: 9
2026-09-02
Number of reports: 129
Distinct targets: 9
Origin AS
AS5087 - APNIC-5087
BGP Prefix
203.143.21.0/24
geo
Sri Lanka, Colombo
🕑 Asia/Colombo
hostname
notifications.lankacom.net
Address block ('inetnum' or 'NetRange' in whois database)
203.143.16.0 - 203.143.31.255
last_activity
2026-08-29 19:51:48.417000
last_warden_event
2026-08-29 19:51:48.417000
rep
0.16446018409826235
reserved_range
0
Shodan's InternetDB
Open ports: 25, 53, 80, 389, 465, 587
Tags: starttls
CPEs: cpe:/a:f5:nginx, cpe:/a:postfix:postfix
ts_added
2026-08-28 10:12:25.598000
ts_last_update
2026-09-05 10:12:31.486000

Warden event timeline

DShield event timeline

Presence on blacklists