# 104.176.36.139 — IP Intelligence Summary

104.176.36.139 is an IPv4 address operated by ATT-INTERNET4 - AT&T Enterprises, LLC, US (AS7018), with approximate network location Sacramento, United States. It belongs to a mobile network with reverse DNS name 104-176-36-139.lightspeed.frokca.sbcglobal.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/104.176.36.139
- Last updated: 2026-11-13

## Ownership

- Organization: AT&T Enterprises, LLC
- Network name: SIS-80-7-29-2014
- Allocated block: 104.176.0.0/12
- ASN: AS7018 (https://ipdebrief.com/asn/7018)
- Regional registry: ARIN
- Registered holder: AT&T Enterprises, LLC
- Routing operator: ATT-INTERNET4 - AT&T Enterprises, LLC, US
- Network registration country: United States
- Registrant address country: —

## Location

- City: Sacramento
- Region: CA
- Country: United States
- Time zone: America/Los_Angeles

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: Residential
- Datacenter / hosting: no
- Residential: yes
- Mobile: yes
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (0/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- 104-176-36-139.lightspeed.frokca.sbcglobal.net
- Forward-confirmed: yes

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- caa: Not found at queried name (net)
- spf: Unknown / lookup inconclusive (104-176-36-139.lightspeed.frokca.sbcglobal.net)
- dmarc: Unknown / lookup inconclusive (_dmarc.104-176-36-139.lightspeed.frokca.sbcglobal.net)
- dnssec: Unknown / lookup inconclusive (139.36.176.104.in-addr.arpa)
- fcrDns: Unknown / lookup inconclusive (104-176-36-139.lightspeed.frokca.sbcglobal.net)

---

Source: IPDebrief, "104.176.36.139 IP intelligence", https://ipdebrief.com/104.176.36.139, updated 2026-11-13. Assessments are probabilistic.