Hostname
um.att.com
Last fetched
um.att.com resolves to 1 IPv4 address operated by ATT-INTERNET4 - AT&T Enterprises, LLC in US.
Nutrition Label
Resolution chain
um.att.com 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 |
|---|---|---|---|---|
| 12.176.186.145 | 12.128.0.0/9 | AS7018 | ATT-INTERNET4 - AT&T Enterprises, LLC | US |
WHOIS identity
No WHOIS records are currently associated with um.att.com in WhisperGraph.
Subdomains
35 observed subdomains of um.att.com.
Showing 19 of 35. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from um.att.com in the public web crawl.
3 sites linked to from this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
SPF policy
3 SPF mechanisms authorising senders for um.att.com.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | att-um.spf.a.cloudfilter.net |
| SPF_IP | 12.29.209.34 |
| SPF_IP | 199.108.22.72/29 |
Related pages
Pivot deeper into the graph from um.att.com.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "um.att.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.