172.90.12.227 is an IPv4 address announced by AS20001, with approximate network location Los Angeles, United States. Its reverse DNS name is syn-172-090-012-227.res.spectrum.com. As of October 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Charter Communications Inc |
| ASN | AS20001 |
| Network Name | RRWE |
| CIDR Block | 172.88.0.0/14 |
| RIR | ARIN |
| Network registration country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | syn-172-090-012-227.res.spectrum.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | syn-172-090-012-227.res.spectrum.com |
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 | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
No specific classification
🔍 10 signal types · 10 observations collected
This report is generated from 10+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
❓ Frequently Asked Questions About 172.90.12.227
Who owns the IP address 172.90.12.227?
172.90.12.227 is registered to Charter Communications Inc. The address falls within the 172.88.0.0/14 network block. Registration is held at ARIN.
Where is 172.90.12.227 located?
Geolocation data places 172.90.12.227 in Los Angeles, CO, United States. The local time zone is America/Denver. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 172.90.12.227 malicious or safe?
172.90.12.227 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 172.90.12.227?
The reverse DNS (PTR) record for 172.90.12.227 is syn-172-090-012-227.res.spectrum.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.