IPDebrief

104.171.28.29

IP Intelligence Dossier
Your IP: 216.73.216.142

104.171.28.29 is an IPv4 address operated by Dot Holding, Inc. (AS7029), geolocated to New York, United States. Its reverse DNS name is prd-bd-UQFJ0C.fastemailclean.com. As of October 7, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

{ } JSON
🤖 Witness AIThis summary was generated by AI and may contain inaccuracies. Verify critical details independently.

# IP INTELLIGENCE BRIEFING: 104.171.28.29/32

## EXECUTIVE SUMMARY

IP 104.171.28.29 is classified as LOW RISK with a risk score of 0. The address belongs to Dot Holding, Inc. (NET-NETWORK) and is geolocated to New York, US. No active threat indicators, open services, or malicious behavior have been observed.

---

## OWNERSHIP & NETWORK CLASSIFICATION

---

## GEOLOCATION DATA

---

## THREAT INTELLIGENCE

Current Threat Status: CLEAN

IndicatorStatus
Known AttackerNo
Spam SourceNo
Tor Exit NodeNo
Blacklist Count0
Abuse Confidence ScoreN/A
Threat FeedsNone detected
Known CampaignsNone

Behavioral Analysis:

---

## NETWORK SERVICES & DNS

Open Ports: None detected

TLS Certificate: None

HTTP Title: None

Forward DNS Resolution: Not confirmed

PTR Hostnames: None

Hosted Domains: 0

Email Reputation:

---

## SIGNAL OBSERVATION HISTORY

Total Observations: 7 signals recorded

Recent Activity:

Temporal Analysis:

---

## NETWORK NEIGHBORHOOD ANALYSIS (104.171.28.0/24)

Subnet Risk Profile:

Risk Distribution:

Elevated-Risk Neighbors:

---

## RELATIONSHIP GRAPH

Identified Relationships: 1

---

## SECURITY RECOMMENDATIONS

Current Risk Level: LOW

Recommended Actions: No immediate action required based on current risk profile.

Firewall Rules: None recommended

Contextual Notes:

---

## INTELLIGENCE CONCLUSION

IP 104.171.28.29 presents a LOW RISK profile with no observable malicious behavior. The address is assigned to Dot Holding, Inc. infrastructure and appears to be firewalling or administrative infrastructure with no exposed services. While the /24 subnet contains 6 medium-risk neighbors, the target IP itself maintains a risk score of 0 with zero blacklist associations. Standard defensive monitoring is recommended; no immediate blocking or alerting actions are warranted.

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.

🌍 Geolocation

Country🇺🇸 United States
RegionUS-NY
CityNew York
TimezoneAmerica/New_York
Latitude—
Longitude—

🏢 Ownership & Registration

OrganizationDot Holding, Inc.
ASNAS7029
Network NameDOT-NETWORK
CIDR Block104.171.16.0/20
RIRARIN
CountryUnited States
Abuse ContactAvailable via RDAP

🌐 DNS Intelligence

PTRprd-bd-UQFJ0C.fastemailclean.com
Forward ConfirmedYes — FCrDNS verified
Forward Hostnamesprd-bd-UQFJ0C.fastemailclean.com

🔐 DNS Hygiene

Hygiene Score40% (Fair)
SPF2/2 domains
DMARC0/2 domains
FCrDNSVerified
DNSSECNot signed
CAANot configured
Domains Checked2 domains

☁️ Network Classification

InfrastructureUnknown
Service PurposeFirewalled / No Services
Network TierUnknown — Insufficient routing data to classify
No specific classification

🔌 Services & Open Ports

PortServiceProtocolBanner
No open ports detected
Closed Ports22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned)
Server—
HTTP Title—

🔐 TLS Certificate

🔒
No certificate
Issued by —
N/A
SANsNone
Valid From—
Valid Until—

🛡️ Public Network Snapshot

Origin ASNAS7029
Network Prefix104.171.28.0/22
Route mappingFound

🎯 Confidence Breakdown

Per-dimension confidence scores based on source diversity and data freshness

DimensionScoreSourcesObservations
threat
0%
00
routing
0%
00
services
0%
00
ownership
25%
12
reputation
0%
00
geolocation
0%
00
Overall4%12
Coverage: 1/6 dimensions · Data sufficiency: partial
Data CoherenceConsistent (100%)
AttributionModerate (70%)
OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid

📅 Observation Timeline 🔄 Live

First Seen2026-06-07 19:57:41 UTC
Last Seen2026-10-11 10:40:24 UTC
Profile Built2026-10-07 09:19:14 UTC
Data FreshnessLive
Signal Types19
Total Observations21
🔍 19 signal types · 21 observations collected
This report is generated from 19+ 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.
{ } JSON API 📧 Enterprise Access

❓ Frequently Asked Questions About 104.171.28.29

Who owns the IP address 104.171.28.29?

104.171.28.29 is registered to Dot Holding, Inc.. The address falls within the 104.171.16.0/20 network block. Registration is held at ARIN.

Where is 104.171.28.29 located?

Geolocation data places 104.171.28.29 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 104.171.28.29 malicious or safe?

104.171.28.29 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 104.171.28.29?

The reverse DNS (PTR) record for 104.171.28.29 is prd-bd-UQFJ0C.fastemailclean.com. This hostname is forward-confirmed, meaning it resolves back to the same address.

🏘️ Related IP Addresses

Nearby addresses in 104.171.16.0/20

Browse related networks

ℹ️ About This Report

All data shown is publicly available network metadata — IP addresses do not reliably identify individuals. Assessments are probabilistic and should not be used as sole basis for access control decisions. To report an issue or request data review, contact admin@ipdebrief.com.