# 2607:fb91:4c21:f5a3:12d1:1e4:535c:bdf6 — IP Intelligence Summary

2607:fb91:4c21:f5a3:12d1:1e4:535c:bdf6 is an IPv6 address announced by AS21928, with approximate network location Detroit, United States. It belongs to a mobile network. As of September 15, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/2607:fb91:4c21:f5a3:12d1:1e4:535c:bdf6
- Last updated: 2026-09-15

## Ownership

- Organization: T-Mobile USA, Inc.
- Network name: TMOV6-1
- Allocated block: —
- ASN: AS21928 (https://ipdebrief.com/asn/21928)
- Regional registry: ARIN
- Registered holder: T-Mobile USA, Inc.
- Routing operator: —
- Network registration country: United States
- Registrant address country: —

## Location

- City: Detroit
- Region: MI
- Country: United States
- Time zone: America/New_York

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

## Network classification

- Infrastructure type: MobileCarrier
- Datacenter / hosting: no
- Residential: no
- 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

## DNS posture

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

- spf: Not checked
- dmarc: Not checked
- fcrDns: Not checked
- dnssec: Not checked
- caa: Not checked

## Nearby addresses

- 2607:fb91:4c21:6567:8881:b088:befd:b965 (https://ipdebrief.com/2607:fb91:4c21:6567:8881:b088:befd:b965)
- 2607:fb91:4c21:e88a:e9b0:5752:51c3:8b3 (https://ipdebrief.com/2607:fb91:4c21:e88a:e9b0:5752:51c3:8b3)

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Source: IPDebrief, "2607:fb91:4c21:f5a3:12d1:1e4:535c:bdf6 IP intelligence", https://ipdebrief.com/2607:fb91:4c21:f5a3:12d1:1e4:535c:bdf6, updated 2026-09-15. Assessments are probabilistic.