IP address

Search at other sites:
--172.101.109.21syn-172-101-109-021.res.spectrum.com
Shodan(more info)
Passive DNS
Tags: IP in hostname
IP blacklists
Spamhaus PBL ISP
172.101.109.21 is listed on the Spamhaus PBL ISP 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: 2025-05-03 05:17:20.820000
Was present on blacklist at: 2025-04-19 05:06, 2025-04-26 05:12, 2025-05-03 05:17
DShield reports (IP summary, reports)
2025-04-18
Number of reports: 254
Distinct targets: 3
2025-04-25
Number of reports: 59
Distinct targets: 3
Origin AS
AS11351 - RR-NYSREGION-ASN-01
BGP Prefix
172.100.0.0/15
geo
United States, Buffalo
🕑 America/New_York
hostname
syn-172-101-109-021.res.spectrum.com
hostname_class
['ip_in_hostname']
Address block ('inetnum' or 'NetRange' in whois database)
172.100.0.0 - 172.101.255.255
reserved_range
0
ts_added
2025-04-19 05:06:41.884000
ts_last_update
2025-05-08 05:09:19.694000

Warden event timeline

DShield event timeline

Presence on blacklists