IP address


--66.179.16.221mailer016221.govd2.service.govdelivery.com
Shodan(more info)
Passive DNS
Tags: IP in hostname
IP blacklists
PSBL
66.179.16.221 is listed on the PSBL blacklist.

Description: The Passive Spam Block List uses the Spamikaze software to detect spam IPs.
Type of feed: primary (feed detail page)

Last checked at: 2025-10-19 23:45:00.361000
Was present on blacklist at: 2025-10-01 15:45, 2025-10-01 23:45, 2025-10-02 07:45, 2025-10-02 15:45, 2025-10-02 23:45, 2025-10-03 07:45, 2025-10-03 15:45, 2025-10-03 23:45, 2025-10-04 07:45, 2025-10-04 15:45, 2025-10-04 23:45, 2025-10-05 07:45, 2025-10-05 15:45, 2025-10-05 23:45, 2025-10-06 07:45, 2025-10-06 15:45, 2025-10-06 23:45, 2025-10-07 07:45, 2025-10-07 15:45, 2025-10-07 23:45, 2025-10-08 07:45, 2025-10-08 15:45, 2025-10-08 23:45, 2025-10-09 07:45, 2025-10-09 15:45, 2025-10-09 23:45, 2025-10-10 07:45, 2025-10-10 15:45, 2025-10-10 23:45, 2025-10-11 07:45, 2025-10-11 15:45, 2025-10-11 23:45, 2025-10-12 07:45, 2025-10-12 15:45, 2025-10-12 23:45, 2025-10-13 07:45, 2025-10-13 15:45, 2025-10-13 23:45, 2025-10-14 07:45, 2025-10-14 15:45, 2025-10-14 23:45, 2025-10-15 07:45, 2025-10-15 15:45, 2025-10-15 23:45, 2025-10-16 07:45, 2025-10-16 15:45, 2025-10-16 23:45, 2025-10-17 07:45, 2025-10-17 15:45, 2025-10-17 23:45, 2025-10-18 07:45, 2025-10-18 15:45, 2025-10-18 23:45, 2025-10-19 07:45, 2025-10-19 15:45, 2025-10-19 23:45
UCEPROTECT L1
66.179.16.221 is listed on the UCEPROTECT L1 blacklist.

Description: UCEPROTECT-NETWORK list of spam IPs.
Type of feed: primary (feed detail page)

Last checked at: 2025-10-08 07:45:00.500000
Was present on blacklist at: 2025-10-01 15:45, 2025-10-01 23:45, 2025-10-02 07:45, 2025-10-02 15:45, 2025-10-02 23:45, 2025-10-03 07:45, 2025-10-03 15:45, 2025-10-03 23:45, 2025-10-04 07:45, 2025-10-04 15:45, 2025-10-04 23:45, 2025-10-05 07:45, 2025-10-05 15:45, 2025-10-05 23:45, 2025-10-06 07:45, 2025-10-06 15:45, 2025-10-06 23:45, 2025-10-07 07:45, 2025-10-07 15:45, 2025-10-07 23:45, 2025-10-08 07:45
Origin AS
AS16509 - AMAZON-02
BGP Prefix
66.179.16.0/24
geo
United States
🕑 America/Chicago
hostname
mailer016221.govd2.service.govdelivery.com
hostname_class
['ip_in_hostname']
Address block ('inetnum' or 'NetRange' in whois database)
66.179.16.0 - 66.179.19.255
reserved_range
0
ts_added
2025-10-01 15:52:40.759000
ts_last_update
2025-10-19 23:50:50.250000

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Presence on blacklists