137.164.11.20
137.164.11.20 is an IPv4 address operated by CENIC (AS2152), geolocated to New York, United States. Its reverse DNS name is losa4-agg-01--snvl2-agg-01--800g--2.cenic.net. As of October 27, 2026, IPDebrief rates it High Risk (70/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | CENIC |
| ASN | AS2152 |
| Network Name | CALREN |
| CIDR Block | 137.164.0.0/16 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | losa4-agg-01--snvl2-agg-01--800g--2.cenic.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | losa4-agg-01--snvl2-agg-01--800g--2.cenic.net |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Present |
| DMARC | Not configured |
| FCrDNS | 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 | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS2152 |
| Network Prefix | 137.164.0.0/16 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 50% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 26% | 7 | 8 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-27 18:55:36 UTC |
| Last Seen | 2026-11-02 11:20:18 UTC |
| Profile Built | 2026-10-27 19:11:21 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 137.164.11.20
Who owns the IP address 137.164.11.20?
137.164.11.20 is registered to CENIC. The address falls within the 137.164.0.0/16 network block. Registration is held at ARIN.
Where is 137.164.11.20 located?
Geolocation data places 137.164.11.20 in New York, US-NY, 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 137.164.11.20 malicious or safe?
137.164.11.20 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 137.164.11.20?
The reverse DNS (PTR) record for 137.164.11.20 is losa4-agg-01--snvl2-agg-01--800g--2.cenic.net. This hostname is forward-confirmed, meaning it resolves back to the same address.