Hostname

f2.com.cn

Last fetched Fri, 12 Jun 2026 08:10:29 GMT

f2.com.cn resolves to 2 IPv4 addresses operated by ORACLE-BMC-31898 - Oracle Corporation in US. WHOIS lists registrar:厦门三五互联信息有限公司 as the registrar.

Nutrition Label

Resolution chain

f2.com.cn resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
137.131.28.244	137.131.0.0/18	AS31898	ORACLE-BMC-31898 - Oracle Corporation	US
161.153.53.255	161.153.0.0/17	AS31898	ORACLE-BMC-31898 - Oracle Corporation	US

WHOIS identity

Registrar

registrar:厦门三五互联信息有限公司

Organization

朱爱荣

Contact emails

kevin@sha163.com

Subdomains

1 observed subdomain of f2.com.cn.

Subdomain
www.f2.com.cn

Web-graph footprint

Distinct hostnames that link to or from f2.com.cn in the public web crawl.

Sample inbound links

mydiannao.com

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for f2.com.cn.

Mechanism	Target
SPF_INCLUDE	icloud.com

Pivot deeper into the graph from f2.com.cn.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "f2.com.cn"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
      -[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, asn.name AS asn, n.name AS operator
LIMIT 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.