Skip to content

Hostname

bult.net

Last fetched

bult.net resolves to 1 IPv4 address operated by AS21221 in NL. WHOIS lists iana:1647 as the registrar.

Nutrition Label

WHISPER CANON · bult.netRouting diversity1.5/10Peering density5.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint5.2/10canon.whisper.security/host/bult.net

Resolution chain

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

IPPrefixASNOperatorCountry
217.18.75.143217.18.64.0/20AS21221—NL

WHOIS identity

Registrar
iana:1647
Organization
jan bult
Contact emails

Subdomains

2 observed subdomains of bult.net.

Subdomain
webmail.bult.net
www.bult.net

Web-graph footprint

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

9 sites link to this hostname.

3,319 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

Related pages

Pivot deeper into the graph from bult.net.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "bult.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.