Hostname

up4.cn

Last fetched Wed, 15 Jul 2026 05:41:59 GMT

up4.cn resolves to 1 IPv4 address operated by AS37963 in CN. WHOIS lists registrar:北京新网数码信息技术有限公司 as the registrar.

Nutrition Label

Resolution chain

up4.cn resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
47.93.242.227	47.92.0.0/15	AS37963	—	CN
47.93.242.227	47.92.0.0/15	AS37963	—	CN

WHOIS identity

Registrar

registrar:北京新网数码信息技术有限公司

Organization

—

Contact emails

Subdomains

5 observed subdomains of up4.cn.

Subdomain
cdn.up4.cn
img.up4.cn
www.up4.cn
xcx.up4.cn
y.up4.cn

Web-graph footprint

Distinct hostnames that link to or from up4.cn in the public web crawl.

8 sites linked to from this hostname.

Sample inbound links

cuijianqiang.com

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for up4.cn.

Mechanism	Target
SPF_INCLUDE	spf.163.com

Pivot deeper into the graph from up4.cn.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "up4.cn"})-[: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.