# 107.128.43.54 — IP Intelligence Summary

107.128.43.54 is an IPv4 address operated by ATT-INTERNET4 - AT&T Enterprises, LLC, US (AS7018), with approximate network location Pasadena, United States. It belongs to a mobile network with reverse DNS name 107-128-43-54.lightspeed.irvnca.sbcglobal.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/107.128.43.54
- Last updated: 2026-11-13

## Ownership

- Organization: AT&T Enterprises, LLC
- Network name: SIS-80-10-10-13
- Allocated block: 107.128.0.0/12
- 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: Pasadena
- 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

- 107-128-43-54.lightspeed.irvnca.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 (107-128-43-54.lightspeed.irvnca.sbcglobal.net)
- dmarc: Unknown / lookup inconclusive (_dmarc.107-128-43-54.lightspeed.irvnca.sbcglobal.net)
- dnssec: Unknown / lookup inconclusive (54.43.128.107.in-addr.arpa)
- fcrDns: Unknown / lookup inconclusive (107-128-43-54.lightspeed.irvnca.sbcglobal.net)

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Source: IPDebrief, "107.128.43.54 IP intelligence", https://ipdebrief.com/107.128.43.54, updated 2026-11-13. Assessments are probabilistic.