172.83.135.189
🏢 Ownership & Registration
| Organization | Citizens Telephone Cooperative |
| ASN | AS16942 |
| Network Name | SWVA-04 |
| CIDR Block | 172.83.128.0/21 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 172-83-135-189.citizip.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 172-83-135-189.citizip.com |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Present |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | AS16942 |
| Network Prefix | 172.83.128.0/21 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-05 15:50:18 UTC |
| Last Seen | 2026-10-05 15:50:18 UTC |
| Profile Built | 2026-10-05 15:55:22 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 17 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 172.83.135.189
Who owns the IP address 172.83.135.189?
172.83.135.189 is registered to Citizens Telephone Cooperative. The address falls within the 172.83.128.0/21 network block. Registration is held at ARIN.
Where is 172.83.135.189 located?
Geolocation data places 172.83.135.189 in Boston, US-MA, United States. The local time zone is America/New_York. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 172.83.135.189 malicious or safe?
172.83.135.189 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 172.83.135.189?
The reverse DNS (PTR) record for 172.83.135.189 is 172-83-135-189.citizip.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.