Hostname
cortech.co.kr
Last fetched
cortech.co.kr resolves to 12 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in US. WHOIS lists registrar:(?)??? as the registrar.
Nutrition Label
Resolution chain
cortech.co.kr 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 |
|---|---|---|---|---|
| 18.172.122.113 | 18.172.120.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | US |
| 18.172.122.37 | 18.172.120.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | US |
| 18.172.122.52 | 18.172.120.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | US |
| 18.172.122.61 | 18.172.120.0/21 | AS16509 | AMAZON-02 - Amazon.com, Inc. | US |
| 18.244.28.10 | 18.244.28.0/22 | AS16509 | AMAZON-02 - Amazon.com, Inc. | FR |
| 18.244.28.102 | 18.244.28.0/22 | AS16509 | AMAZON-02 - Amazon.com, Inc. | FR |
| 18.244.28.39 | 18.244.28.0/22 | AS16509 | AMAZON-02 - Amazon.com, Inc. | FR |
| 18.244.28.75 | 18.244.28.0/22 | AS16509 | AMAZON-02 - Amazon.com, Inc. | FR |
| 18.66.57.104 | 18.66.56.0/23 | AS16509 | AMAZON-02 - Amazon.com, Inc. | IN |
| 18.66.57.17 | 18.66.56.0/23 | AS16509 | AMAZON-02 - Amazon.com, Inc. | IN |
| 18.66.57.71 | 18.66.56.0/23 | AS16509 | AMAZON-02 - Amazon.com, Inc. | IN |
| 18.66.57.81 | 18.66.56.0/23 | AS16509 | AMAZON-02 - Amazon.com, Inc. | IN |
WHOIS identity
- Registrar
- registrar:(?)???
- Organization
- ???(?)
- Contact emails
- —
Subdomains
2 observed subdomains of cortech.co.kr.
| Subdomain |
|---|
| en.cortech.co.kr |
| www.cortech.co.kr |
Web-graph footprint
Distinct hostnames that link to or from cortech.co.kr in the public web crawl.
5 sites link to this hostname.
12 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
1 SPF mechanism authorising senders for cortech.co.kr.
| Mechanism | Target |
|---|---|
| SPF_IP | 52.79.92.223/32 |
Related pages
Pivot deeper into the graph from cortech.co.kr.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "cortech.co.kr"})-[: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.