Hostname

tau.as

Last fetched Tue, 30 Jun 2026 20:54:20 GMT

tau.as resolves to 1 IPv4 address operated by AS201577 in NO.

Nutrition Label

Resolution chain

tau.as 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
217.171.199.102	217.171.192.0/20	AS201577	—	NO

WHOIS identity

No WHOIS records are currently associated with tau.as in WhisperGraph.

Subdomains

1 observed subdomain of tau.as.

Subdomain
www.tau.as

Web-graph footprint

Distinct hostnames that link to or from tau.as in the public web crawl.

27 sites link to this hostname.

27 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for tau.as.

Mechanism	Target
SPF_INCLUDE	_spf.google.com

Pivot deeper into the graph from tau.as.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "tau.as"})-[: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.