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Hostname

f5.com

Last fetched

f5.com resolves to 1 IPv4 address operated by SPRINTHOST in NL. WHOIS lists iana:299 as the registrar.

Nutrition Label

WHISPER CANON · f5.comRouting diversity1.5/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency10.0/10Resolver footprint8.3/10canon.whisper.security/host/f5.com

Resolution chain

f5.com resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
159.60.134.0159.60.128.0/20AS35280SPRINTHOSTNL

WHOIS identity

Registrar
iana:299
Organization
dns admin
Contact emails

Subdomains

147 observed subdomains of f5.com.

Subdomain
64gateway.f5.com
callhome.f5.com
buzz.f5.com
bmi.f5.com
blowfish.f5.com
bjjd05-in5interlb02.f5.com
biz.f5.com
biscuit.f5.com
beta.f5.com
banking.f5.com
b.f5.com
avauth.f5.com
autodiscover.f5.com
askf5.f5.com
ask.f5.com
asia.f5.com
asb.f5.com
apidocs.f5.com
api-u.f5.com
api.f5.com
activate.f5.com
accounts.f5.com
account.f5.com
access.f5.com
aa.f5.com

Showing 25 of 147. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from f5.com in the public web crawl.

5,395 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

29 SPF mechanisms authorising senders for f5.com.

MechanismTarget
SPF_EXISTS%{i}.spf.hc5801-97.iphmx.com
SPF_INCLUDE_spf.salesforce.com
SPF_INCLUDEmktomail.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP104.130.96.0/28
SPF_IP104.219.104.14
SPF_IP104.219.104.72
SPF_IP104.219.105.14
SPF_IP104.219.105.72
SPF_IP104.219.106.14
SPF_IP104.219.106.65
SPF_IP104.219.107.14
SPF_IP104.219.107.65
SPF_IP146.20.112.0/26
SPF_IP146.20.113.0/24
SPF_IP146.20.191.0/24
SPF_IP159.135.224.0/20
SPF_IP166.78.68.0/22
SPF_IP173.193.210.32/27
SPF_IP174.37.226.64/27
SPF_IP184.173.105.0/24
SPF_IP184.173.153.0/24
SPF_IP192.237.158.0/23
SPF_IP198.61.254.0/23
SPF_IP208.43.239.136/30
SPF_IP209.61.151.0/24
SPF_IP23.253.182.0/23
SPF_IP50.23.218.192/27
SPF_IP68.233.68.14/32

Related pages

Pivot deeper into the graph from f5.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "f5.com"})-[: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.