Is 103.21.100.110 malicious?
IP reputation report for 103.21.100.110: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
103.21.100.110 is listed on 4 threat intelligence sources
Detected by 4 threat intelligence sources in the isMalicious dataset — review before trusting this IP.
Threat verdict
VerdictListed on blocklists
Appears on threat intelligence blocklists — treat with caution.
Blocklist detections4 sources
Categoriesproxy, malware
Confidence score90/100
Aggregated confidence across the sources reporting this indicator.
First seen2026-05-30
Last updated2026-05-30
Network & location
LocationHaiphong, Hai Phong, Vietnam
ISPTNDVPS
ASNAS140807 — Nguyen Ngoc Thanh Trading Limited Company
Network103.21.100.0/23
CompanyCUU LONG INTERNATIONAL DEVELOPMENT SERVICES AND TRADING JOINT STOCK COMPANY
InfrastructureProxy
Security posture
Open ports22, 2021
Detections
- FireHOL - Firehol Anonymousproxy
- FireHOL - Firehol Proxiesproxy
- Bitwire - Inbound Blocklistmalware
- bitwire‑it IP blocklist – bad IPs updated every 2hmalware