Hostname
codepen.io
Last fetched
codepen.io resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:81 as the registrar.
Nutrition Label
Resolution chain
codepen.io resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 104.16.147.32 | 104.16.144.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 104.16.163.32 | 104.16.160.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:81
- Organization
- chris coyier
- Contact emails
Subdomains
14 observed subdomains of codepen.io.
Web-graph footprint
Distinct hostnames that link to or from codepen.io in the public web crawl.
28,640 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
1 SPF mechanism authorising senders for codepen.io.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | s43465759.fdmarc.net |
Related pages
Pivot deeper into the graph from codepen.io.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "codepen.io"})-[: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.