Hostname
opb.org
Last fetched
opb.org resolves to 2 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in US. WHOIS lists iana:2 as the registrar.
Nutrition Label
Resolution chain
opb.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 |
|---|---|---|---|---|
| 75.2.59.213 | 75.2.48.0/20 | AS16509 | AMAZON-02 - Amazon.com, Inc. | US |
| 99.83.137.11 | 99.83.128.0/20 | AS16509 | AMAZON-02 - Amazon.com, Inc. | US |
WHOIS identity
- Registrar
- iana:2
- Organization
- no first name no last name
- Contact emails
Subdomains
115 observed subdomains of opb.org.
Showing 25 of 115. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from opb.org in the public web crawl.
10,154 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
14 SPF mechanisms authorising senders for opb.org.
| Mechanism | Target |
|---|---|
| SPF_EXISTS | %{i}._spf.mta.salesforce.com |
| SPF_INCLUDE | _spf.createsend.com |
| SPF_INCLUDE | _spf.eu.mailgun.org |
| SPF_INCLUDE | _spf1.mailgun.org |
| SPF_INCLUDE | _spf2.mailgun.org |
| SPF_INCLUDE | sendgrid.net |
| SPF_INCLUDE | spf.mailanyone.net |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_INCLUDE | spf.zohomail360.com |
| SPF_IP | 204.27.190.218 |
| SPF_IP | 204.27.190.219 |
| SPF_IP | 204.27.190.225 |
| SPF_IP | 204.27.190.64 |
| SPF_IP | 204.27.190.65 |
Related pages
Pivot deeper into the graph from opb.org.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "opb.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.