Hostname
1class.app
Last fetched
1class.app resolves to 8 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in US. WHOIS lists iana:1647 as the registrar.
Nutrition Label
Resolution chain
1class.app resolves to 8 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 13.33.67.113 | 13.33.64.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | US |
| 13.33.67.125 | 13.33.64.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | US |
| 13.33.67.45 | 13.33.64.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | US |
| 13.33.67.64 | 13.33.64.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | US |
| 18.165.122.105 | 18.165.122.0/23 | AS16509 | AMAZON-02 - Amazon.com, Inc. | IE |
| 18.165.122.113 | 18.165.122.0/23 | AS16509 | AMAZON-02 - Amazon.com, Inc. | IE |
| 18.165.122.77 | 18.165.122.0/23 | AS16509 | AMAZON-02 - Amazon.com, Inc. | IE |
| 18.165.122.79 | 18.165.122.0/23 | AS16509 | AMAZON-02 - Amazon.com, Inc. | IE |
WHOIS identity
- Registrar
- iana:1647
- Organization
- whois privacy protection foundation
- Contact emails
- —
Subdomains
5 observed subdomains of 1class.app.
Web-graph footprint
Distinct hostnames that link to or from 1class.app in the public web crawl.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
Related pages
Pivot deeper into the graph from 1class.app.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "1class.app"})-[: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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.