IP address

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--81.16.123.100

Shodan(more info)

Passive DNS

IP blacklists

Spamhaus PBL

81.16.123.100 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: 2025-05-15 05:03:08.332000
Was present on blacklist at: 2025-05-08 05:02, 2025-05-15 05:03

DShield reports (IP summary, reports)

2025-05-07

Number of reports: 18

Distinct targets: 5

Origin AS

AS58224 - TCI

BGP Prefix

81.16.112.0/20

geo

Iran

🕑 Asia/Tehran

hostname

(null)

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

81.16.112.0 - 81.16.127.255

reserved_range

0

Shodan's InternetDB

Open ports: 1701, 2000, 8081

Tags: –

CPEs: –

ts_added

2025-05-08 05:02:35.661000

ts_last_update

2025-05-15 05:03:08.567000

Warden event timeline

DShield event timeline

Presence on blacklists