Hostname
class101.co
Last fetched
class101.co resolves to 12 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in BR.
Nutrition Label
Resolution chain
class101.co resolves to 12 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 13.225.107.103 | 13.225.107.0/24 | AS16509 | AMAZON-02 - Amazon.com, Inc. | BR |
| 13.225.107.45 | 13.225.107.0/24 | AS16509 | AMAZON-02 - Amazon.com, Inc. | BR |
| 13.225.107.48 | 13.225.107.0/24 | AS16509 | AMAZON-02 - Amazon.com, Inc. | BR |
| 13.225.107.99 | 13.225.107.0/24 | AS16509 | AMAZON-02 - Amazon.com, Inc. | BR |
| 13.35.37.33 | 13.35.32.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | SG |
| 13.35.37.45 | 13.35.32.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | SG |
| 13.35.37.71 | 13.35.32.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | SG |
| 13.35.37.92 | 13.35.32.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | SG |
| 3.174.113.117 | 3.174.112.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | FI |
| 3.174.113.36 | 3.174.112.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | FI |
| 3.174.113.5 | 3.174.112.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | FI |
| 3.174.113.75 | 3.174.112.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | FI |
WHOIS identity
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Subdomains
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Web-graph footprint
Distinct hostnames that link to or from class101.co in the public web crawl.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
4 SPF mechanisms authorising senders for class101.co.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.firebasemail.com |
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | mailgun.org |
| SPF_INCLUDE | servers.mcsv.net |
Related pages
Pivot deeper into the graph from class101.co.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "class101.co"})-[: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.