IP address

Passive DNS

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IP blacklists

DataPlane SMTP greeting

172.104.21.9 is listed on the DataPlane SMTP greeting blacklist.

Description: DataPlane.org is a community-powered Internet data, feeds,<br>and measurement resource for operators, by operators. IPs that are<br>identified as SMTP clients issuing unsolicited HELO or EHLO commands.
Type of feed: primary (feed detail page)

Last checked at: 2024-04-23 18:10:01.236000
Was present on blacklist at: 2024-04-02 06:10, 2024-04-02 14:10, 2024-04-02 18:10, 2024-04-03 02:10, 2024-04-03 06:10, 2024-04-03 14:10, 2024-04-03 18:10, 2024-04-04 02:10, 2024-04-04 06:10, 2024-04-04 14:10, 2024-04-04 18:10, 2024-04-05 02:10, 2024-04-05 06:10, 2024-04-05 14:10, 2024-04-05 18:10, 2024-04-06 02:10, 2024-04-06 06:10, 2024-04-06 14:10, 2024-04-06 18:10, 2024-04-07 02:10, 2024-04-07 06:10, 2024-04-07 14:10, 2024-04-07 18:10, 2024-04-08 02:10, 2024-04-08 06:10, 2024-04-08 14:10, 2024-04-08 18:10, 2024-04-09 02:10, 2024-04-09 06:10, 2024-04-09 14:10, 2024-04-09 18:10, 2024-04-10 02:10, 2024-04-10 06:10, 2024-04-10 14:10, 2024-04-10 18:10, 2024-04-11 02:10, 2024-04-11 06:10, 2024-04-11 14:10, 2024-04-11 18:10, 2024-04-12 02:10, 2024-04-12 06:10, 2024-04-12 14:10, 2024-04-12 18:10, 2024-04-13 02:10, 2024-04-13 06:10, 2024-04-13 14:10, 2024-04-13 18:10, 2024-04-14 02:10, 2024-04-14 06:10, 2024-04-16 18:10, 2024-04-17 02:10, 2024-04-17 06:10, 2024-04-17 14:10, 2024-04-17 18:10, 2024-04-18 02:10, 2024-04-18 06:10, 2024-04-18 14:10, 2024-04-18 18:10, 2024-04-19 02:10, 2024-04-19 06:10, 2024-04-19 14:10, 2024-04-19 18:10, 2024-04-20 02:10, 2024-04-20 06:10, 2024-04-20 14:10, 2024-04-20 18:10, 2024-04-21 02:10, 2024-04-21 06:10, 2024-04-21 14:10, 2024-04-21 18:10, 2024-04-22 02:10, 2024-04-22 06:10, 2024-04-22 14:10, 2024-04-22 18:10, 2024-04-23 02:10, 2024-04-23 06:10, 2024-04-23 14:10, 2024-04-23 18:10

Spamhaus SBL CSS

172.104.21.9 is listed on the Spamhaus SBL CSS blacklist.

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: 2024-04-30 06:12:04.881000
Was present on blacklist at: 2024-04-09 06:12, 2024-04-16 06:12, 2024-04-23 06:12, 2024-04-30 06:12

Spamhaus XBL CBL

172.104.21.9 was recently listed on the Spamhaus XBL CBL blacklist, but currently it is not.

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: 2024-04-30 06:12:04.881000
Was present on blacklist at: 2024-04-09 06:12, 2024-04-16 06:12

DShield reports (IP summary, reports)

2024-04-02: Number of reports: 15; Distinct targets: 8
2024-04-06: Number of reports: 14; Distinct targets: 14
2024-04-07: Number of reports: 13; Distinct targets: 13
2024-04-13: Number of reports: 18; Distinct targets: 17
2024-04-14: Number of reports: 18; Distinct targets: 18
2024-04-16: Number of reports: 25; Distinct targets: 25
2024-04-17: Number of reports: 28; Distinct targets: 14
2024-04-18: Number of reports: 28; Distinct targets: 25
2024-04-21: Number of reports: 41; Distinct targets: 22
2024-04-24: Number of reports: 19; Distinct targets: 19

Origin AS: AS63949 - LINODE-AP
BGP Prefix: 172.104.16.0/20
geo: United States, Cedar Knolls; 🕑 America/New_York
hostname: sub1.onlinie.de
Address block ('inetnum' or 'NetRange' in whois database): 172.104.0.0 - 172.105.255.255
reserved_range: 0
Shodan's InternetDB: Open ports: 22, 443; Tags: cloud; CPEs: cpe:/a:openbsd:openssh
ts_added: 2024-04-02 06:11:51.805000
ts_last_update: 2024-05-05 06:12:00.537000

Warden event timeline

DShield event timeline

Presence on blacklists