Hostname

out.build

Last fetched Fri, 24 Jul 2026 13:55:18 GMT

out.build resolves to 2 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in CA. WHOIS lists iana:146 as the registrar.

Nutrition Label

Resolution chain

out.build 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
15.197.225.128	15.197.224.0/20	AS16509	AMAZON-02 - Amazon.com, Inc.	CA
3.33.251.168	3.33.240.0/20	AS16509	AMAZON-02 - Amazon.com, Inc.	CA

WHOIS identity

Registrar: iana:146
Organization: domains by proxy,
Contact emails: —

Subdomains

1 observed subdomain of out.build.

Subdomain
www.out.build

Web-graph footprint

Distinct hostnames that link to or from out.build in the public web crawl.

Sample inbound links

thisisfoster.com

Threat posture

History

Pivot deeper into the graph from out.build.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "out.build"})-[: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.