# 135.131.156.139 — IP Intelligence Summary

135.131.156.139 is an IPv4 address announced by AS4181, with approximate network location Green Bay, United States. It belongs to a residential connection with reverse DNS name h135-131-156-139.ashwwi.broadband.dynamic.tds.net. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/135.131.156.139
- Last updated: 2026-11-12

## Ownership

- Organization: TDS TELECOM
- Network name: TDST
- Allocated block: 135.131.0.0/16
- ASN: AS4181 (https://ipdebrief.com/asn/4181)
- Regional registry: ARIN
- Registered holder: TDS TELECOM
- Routing operator: —
- Network registration country: United States
- Registrant address country: —

## Location

- City: Green Bay
- Region: WI
- Country: United States
- Time zone: America/Chicago

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

## Network classification

- Infrastructure type: Residential
- Datacenter / hosting: no
- Residential: yes
- Mobile: no
- 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

- h135-131-156-139.ashwwi.broadband.dynamic.tds.net
- Forward-confirmed: yes

## 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

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Source: IPDebrief, "135.131.156.139 IP intelligence", https://ipdebrief.com/135.131.156.139, updated 2026-11-12. Assessments are probabilistic.