Hostname
4bcu.com
Last fetched
4bcu.com resolves to 104.21.1.36, announced in 104.21.0.0/20 by CLOUDFLARENET - Cloudflare, Inc. in CA. 4bcu.com is listed by 1 threat feed; reconciled level HIGH.
Threat posture
40threat score (procedure-native scale)
HIGHListed by 1 threat feed. At least one source recommends blocking.
- Threat feeds listing this
- 1
- Verdict coverage
- malicious-evidenced
- First seen on a feed
- Wed, 26 Aug 2026 14:51:26 GMT
- Last seen on a feed
- Sun, 13 Sep 2026 00:52:18 GMT
Nutrition Label
Resolution chain
- 104.21.1.36
104.21.0.0/20 · CLOUDFLARENET - Cloudflare, Inc. · Toronto, CA
- 172.67.186.129
172.67.176.0/20 · CLOUDFLARENET - Cloudflare, Inc. · Toronto, CA
- 188.114.96.3
188.114.96.0/24 · CLOUDFLARENET - Cloudflare, Inc. · Toronto, CA
- 188.114.97.3
188.114.97.0/24 · CLOUDFLARENET - Cloudflare, Inc. · Toronto, CA
IPv6 resolution
No AAAA record for 4bcu.com is recorded in WhisperGraph.
Attribution
Cloudflare
cdn · ORIGIN_AS, CDN
WHOIS identity
- Registrar
- iana:1068
- Registrant organisation
- privacy service provided by withheld for privacy ehf
- Contact emails
- aivcd1778@163.com, 3e63b023cb70435c8e7bb3e0240309bb.protect@withheldforprivacy.com
Subdomains
Mail and authentication
Nameservers
- adele.ns.cloudflare.com
- armfazh.ns.cloudflare.com
Threat-feed evidence
History
Related pages
Pivot from 4bcu.com into the addresses, networks and registries it depends on.
Cypher and MCP
Reproduce this hostname's resolution chain against graph.whisper.security:
MATCH (h:HOSTNAME {name: "4bcu.com"})-[:RESOLVES_TO]->(ip:IPV4)
-[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)-[:ROUTES]->(a:ASN)
OPTIONAL MATCH (a)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, a.name AS asn, n.name AS network
LIMIT 20Or query Whisper from your own LLM workflow via the Whisper MCP server.