Hostname

ctug.cat

Last fetched Mon, 25 May 2026 15:49:26 GMT

ctug.cat resolves to 4 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in US. WHOIS lists iana:1383 as the registrar.

Nutrition Label

Resolution chain

ctug.cat resolves to 4 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
13.32.241.26	13.32.241.0/24	AS16509	AMAZON-02 - Amazon.com, Inc.	US
13.32.241.30	13.32.241.0/24	AS16509	AMAZON-02 - Amazon.com, Inc.	US
13.32.241.9	13.32.241.0/24	AS16509	AMAZON-02 - Amazon.com, Inc.	US
13.32.241.95	13.32.241.0/24	AS16509	AMAZON-02 - Amazon.com, Inc.	US

WHOIS identity

Registrar: iana:1383
Organization: —
Contact emails: —

Subdomains

1 observed subdomain of ctug.cat.

Subdomain
www.ctug.cat

Web-graph footprint

Distinct hostnames that link to or from ctug.cat in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for ctug.cat.

Mechanism	Target
SPF_INCLUDE	mxroute.com

Pivot deeper into the graph from ctug.cat.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "ctug.cat"})-[: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.