Hostname
upstream.be
Last fetched
upstream.be resolves to 1 IPv4 address operated by DSTNY-BACKBONE International Backbone in BE. WHOIS lists registrar:b named.net as the registrar.
Nutrition Label
Resolution chain
upstream.be 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 |
|---|---|---|---|---|
| 45.91.123.4 | 45.91.123.0/24 | AS8368 | DSTNY-BACKBONE International Backbone | BE |
WHOIS identity
- Registrar
- registrar:b named.net
- Organization
- —
- Contact emails
- —
Subdomains
63 observed subdomains of upstream.be.
Showing 21 of 63. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from upstream.be in the public web crawl.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
7 SPF mechanisms authorising senders for upstream.be.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | nameweb.biz |
| SPF_INCLUDE | smtp2go.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 139.162.166.110 |
| SPF_IP | 178.132.14.240/28 |
| SPF_IP | 188.64.74.112/28 |
| SPF_IP | 45.91.123.0/24 |
Related pages
Pivot deeper into the graph from upstream.be.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "upstream.be"})-[: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.