IP address

Search at other sites:

--121.239.243.155

Shodan(more info)

Passive DNS

IP blacklists

DataPlane proto-41

121.239.243.155 is listed on the DataPlane proto-41 blacklist.

Description: DataPlane.org is a community-powered Internet data, feeds,<br>and measurement resource for operators, by operators. IP addresses that<br>are identified as an open IPv4 protocol 41 relay (i.e. IPv6 over IPv4).
Type of feed: primary (feed detail page)

Last checked at: 2026-03-03 07:10:02.878000
Was present on blacklist at: 2026-02-28 03:10, 2026-02-28 07:10, 2026-02-28 15:10, 2026-02-28 19:10, 2026-03-01 03:10, 2026-03-01 07:10, 2026-03-01 15:10, 2026-03-01 19:10, 2026-03-02 03:10, 2026-03-02 07:10, 2026-03-02 15:10, 2026-03-02 19:10, 2026-03-03 03:10, 2026-03-03 07:10

Spamhaus PBL

121.239.243.155 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: 2026-02-28 03:45:36.312000
Was present on blacklist at: 2026-02-28 03:45

Threat categories

TL	Role	Category	Details
No threat category tags assigned

---

Origin AS

AS140292 - CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK

BGP Prefix

121.239.243.0/24

geo

China

🕑 Asia/Shanghai

hostname

(null)

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

121.224.0.0 - 121.239.255.255

reserved_range

0

Shodan's InternetDB

Open ports: 161, 500

Tags: vpn

CPEs: –

ts_added

2026-02-28 03:45:36.148000

ts_last_update

2026-03-03 07:44:39.084000

Warden event timeline

DShield event timeline

Presence on blacklists