Hostname

appn.at

Last fetched Thu, 21 May 2026 23:15:38 GMT

appn.at resolves to 1 IPv4 address operated by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation in NL.

Nutrition Label

Resolution chain

appn.at 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
52.136.222.18	52.136.0.0/13	AS8075	MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	NL

WHOIS identity

No WHOIS records are currently associated with appn.at in WhisperGraph.

Subdomains

1 observed subdomain of appn.at.

Subdomain
www.appn.at

Web-graph footprint

Distinct hostnames that link to or from appn.at in the public web crawl.

10 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Pivot deeper into the graph from appn.at.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "appn.at"})-[: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.