50.29.219.21
50.29.219.21 is an IPv4 address operated by AS-PTD - PenTeleData Inc., US (AS3737), with approximate network location Boston, United States. Its reverse DNS name is 50.29.219.21.res-cmts.dlh2.ptd.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | PenTeleData House Account |
| ASN | AS3737 |
| Network Name | RES-CMTSBLOPTDNET |
| CIDR Block | 50.29.219.0/24 |
| RIR | ARIN |
| Network registration country | United States |
| Routing operator | AS-PTD - PenTeleData Inc., US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 50.29.219.21.res-cmts.dlh2.ptd.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 50.29.219.21.res-cmts.dlh2.ptd.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.
| caa | Present / verified ptd.net |
| spf | Unknown / lookup inconclusive 50.29.219.21.res-cmts.dlh2.ptd.net |
| dmarc | Unknown / lookup inconclusive _dmarc.50.29.219.21.res-cmts.dlh2.ptd.net |
| dnssec | Unknown / lookup inconclusive 21.219.29.50.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive 50.29.219.21.res-cmts.dlh2.ptd.net |
☁️ 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 | AS3737 |
| Network Prefix | 50.29.128.0/17 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-04 12:59:34 UTC |
| Last Seen | 2026-11-08 02:53:07 UTC |
| Profile Built | 2026-11-13 07:15:56 UTC |
| Data Freshness | Live |
| Signal Types | 16 |
| Total Observations | 22 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 50.29.219.21
Who owns the IP address 50.29.219.21?
50.29.219.21 is registered to PenTeleData House Account. The address falls within the 50.29.219.0/24 network block. Registration is held at ARIN.
Where is 50.29.219.21 located?
Geolocation data places 50.29.219.21 in Boston, Pennsylvania, United States. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 50.29.219.21 malicious or safe?
50.29.219.21 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 50.29.219.21?
The reverse DNS (PTR) record for 50.29.219.21 is 50.29.219.21.res-cmts.dlh2.ptd.net. This hostname is forward-confirmed, meaning it resolves back to the same address.