atr.de on Whisper Internet Directory

Nutrition Label

Resolution chain

atr.de 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
37.202.5.239	37.202.0.0/21	AS15817	—	DE

WHOIS identity

No WHOIS records are currently associated with atr.de in WhisperGraph.

Subdomains

13 observed subdomains of atr.de.

Subdomain
confluence.atr.de
cvsupplierforum26.atr.de
digitalconferenceandsymposium26.atr.de
jira.atr.de
mail.atr.de
reporting.atr.de
shareholdersmeeting2026.atr.de
stas.atr.de
www.atr.de

Showing 9 of 13. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from atr.de in the public web crawl.

56 sites link to this hostname.

197 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for atr.de.

Mechanism	Target
SPF_INCLUDE	_spf_eucentral1.prod.hydra.sophos.com
SPF_INCLUDE	spf.protection.outlook.com

Related pages

Pivot deeper into the graph from atr.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "atr.de"})-[: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.