135.131.156.139
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.
🏢 Ownership & Registration
| Registered holder | TDS TELECOM |
| ASN | AS4181 |
| Network Name | TDST |
| CIDR Block | 135.131.0.0/16 |
| RIR | ARIN |
| Network registration country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | h135-131-156-139.ashwwi.broadband.dynamic.tds.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | h135-131-156-139.ashwwi.broadband.dynamic.tds.net |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS4181 |
| Network Prefix | 135.131.0.0/16 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Stale
| First Seen | 2026-10-07 20:37:47 UTC |
| Last Seen | 2026-10-07 20:37:47 UTC |
| Profile Built | 2026-11-12 14:35:55 UTC |
| Data Freshness | Stale |
| Signal Types | 13 |
| Total Observations | 13 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 135.131.156.139
Who owns the IP address 135.131.156.139?
135.131.156.139 is registered to TDS TELECOM. The address falls within the 135.131.0.0/16 network block. Registration is held at ARIN.
Where is 135.131.156.139 located?
Geolocation data places 135.131.156.139 in Green Bay, WI, United States. The local time zone is America/Chicago. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 135.131.156.139 malicious or safe?
135.131.156.139 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 135.131.156.139?
The reverse DNS (PTR) record for 135.131.156.139 is h135-131-156-139.ashwwi.broadband.dynamic.tds.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 135.131.156.139 a VPN, proxy, or data center address?
135.131.156.139 is classified as a residential network based on network ownership and behavioural analysis.