Hostname
bcs.org
Last fetched
bcs.org resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:468 as the registrar.
Nutrition Label
Resolution chain
bcs.org 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 |
|---|---|---|---|---|
| 104.20.5.156 | 104.20.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 104.20.6.156 | 104.20.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:468
- Organization
- british computer society
- Contact emails
Subdomains
130 observed subdomains of bcs.org.
Showing 25 of 130. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from bcs.org in the public web crawl.
3,281 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
5 SPF mechanisms authorising senders for bcs.org.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.ezhostingserver.com |
| SPF_INCLUDE | spf.mxthunder.com |
| SPF_IP | 52.18.157.245 |
| SPF_IP | 54.247.34.105 |
| SPF_IP | 89.187.85.105 |
Related pages
Pivot deeper into the graph from bcs.org.
- IP · 104.20.5.156
- ASN · AS13335CLOUDFLARENET - Cloudflare, Inc.
- Registrar · iana:468
- Country · CA
- Email · awilkes@hq.bcs.org.uk
- TLD · .org
- Browse hostnames · bc…
- Glossary · What is a hostname?
- Whisper Internet Directory — home
- Live MOAS conflicts feed
- Threat feed · Spamhaus DROP
- United States internet infrastructure
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "bcs.org"})-[: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.