Hostname

bk41.net

Last fetched Sat, 30 May 2026 10:40:02 GMT

bk41.net resolves to 1 IPv4 address operated by AS132203 in SG. WHOIS lists iana:1697 as the registrar.

Nutrition Label

Resolution chain

bk41.net resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
43.156.231.65	43.156.192.0/18	AS132203	—	SG

WHOIS identity

Registrar

iana:1697

Organization

wang yu

Contact emails

bk412012@gmail.com

Subdomains

1 observed subdomain of bk41.net.

Subdomain
www.bk41.net

Web-graph footprint

Distinct hostnames that link to or from bk41.net in the public web crawl.

18 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

m1.feishu.cn

SPF policy

1 SPF mechanism authorising senders for bk41.net.

Mechanism	Target
SPF_INCLUDE	_netblocks.m.feishu.cn

Pivot deeper into the graph from bk41.net.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "bk41.net"})-[: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.