# 104.171.28.29 — IP Intelligence Summary 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. - Canonical page: https://ipdebrief.com/104.171.28.29 - Last updated: 2026-10-07 ## Ownership - Organization: Dot Holding, Inc. - Network name: DOT-NETWORK - Allocated block: 104.171.16.0/20 - ASN: AS7029 (https://ipdebrief.com/asn/7029) - Regional registry: ARIN ## Location - City: New York - Region: US-NY - Country: United States - Time zone: America/New_York ## Network classification - Infrastructure type: — - Datacenter / hosting: no - Residential: no - Mobile: no - Anycast: no - Tor exit node: no - VPN: no - Proxy: no ## Risk assessment - Assessment: Low Risk (25/100) - Blocklist listings: 0 - Suspicious activity indicators: no - Spam source: no ## Reverse DNS - prd-bd-UQFJ0C.fastemailclean.com - Forward-confirmed: yes ## Analyst narrative \# 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 \- **Organization:** Dot Holding, Inc. \- **Network Name:** DOT-NETWORK \- **CIDR Block:** 104.171.16.0/20 \- **RIR:** ARIN \- **Abuse Contact:** abuse@dotology.com \- **Registration:** Available via RDAP \- **Classification:** Infrastructure/Firewalling (no services detected) \--- \## GEOLOCATION DATA \- **Country:** United States (US) \- **Region:** US-NY \- **City:** New York \- **Timezone:** America/New_York \- **Geo Sources:** 1 source confirming location \- **Geo Consensus:** True \- **Traceroute:** 30 hops, 18 timed out, transit through Comcast network \--- \## THREAT INTELLIGENCE **Current Threat Status:** CLEAN | Indicator | Status | |-----------|--------| | Known Attacker | No | | Spam Source | No | | Tor Exit Node | No | | Blacklist Count | 0 | | Abuse Confidence Score | N/A | | Threat Feeds | None detected | | Known Campaigns | None | **Behavioral Analysis:** \- No honeypot hits \- No enumeration strikes \- No WAF violations \- Total incidents: 0 \- Auto-banned: No \--- \## 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:** \- Has SPF: No \- Has DMARC: No \- TXT Record Count: 0 \--- \## SIGNAL OBSERVATION HISTORY **Total Observations:** 7 signals recorded **Recent Activity:** \- **2026-07-17 23:50:21** — Geolocation signal (US, 70% confidence) \- **2026-07-17 23:49:39** — Operator score (minimal, 30% confidence) \- **2026-07-17 23:49:35** — Ownership signal (Dot Holding, Inc., 95% confidence) \- **2026-07-17 23:49:35** — Network registration signal (104.171.16.0/20, ARIN) **Temporal Analysis:** \- Ownership changes: 0 \- Threat persistence days: 0 \- Threat observation count: 0 \- Persistently malicious: No \--- \## NETWORK NEIGHBORHOOD ANALYSIS (104.171.28.0/24) **Subnet Risk Profile:** \- **Total Siblings:** 32 \- **Abuse Density:** 0 \- **Subnet Classification:** Low/Medium mix **Risk Distribution:** \- High Risk (60-100): 0 IPs \- Medium Risk (25-59): 6 IPs \- Low Risk (0-24): 17 IPs **Elevated-Risk Neighbors:** \- 104.171.28.127 — Risk Score: 65 \- 104.171.28.114, 104.171.28.151 — Risk Score: 25 \- Multiple IPs with Risk Score: 40 \--- \## RELATIONSHIP GRAPH **Identified Relationships:** 1 \- **Same Network:** DOT-NETWORK (network-level relationship) \--- \## SECURITY RECOMMENDATIONS **Current Risk Level:** LOW **Recommended Actions:** No immediate action required based on current risk profile. **Firewall Rules:** None recommended **Contextual Notes:** \- The IP shows no active malicious indicators \- No open services detected (firewalled/no services) \- Neighborhood contains some elevated-risk siblings, but target IP remains clean \- Standard monitoring and logging recommended as best practice \--- \## 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. ## Nearby addresses - 104.171.28.3 (https://ipdebrief.com/104.171.28.3) - 104.171.28.16 (https://ipdebrief.com/104.171.28.16) - 104.171.28.33 (https://ipdebrief.com/104.171.28.33) - 104.171.28.38 (https://ipdebrief.com/104.171.28.38) - 104.171.28.39 (https://ipdebrief.com/104.171.28.39) - 104.171.28.44 (https://ipdebrief.com/104.171.28.44) - 104.171.28.45 (https://ipdebrief.com/104.171.28.45) - 104.171.28.47 (https://ipdebrief.com/104.171.28.47) - 104.171.28.61 (https://ipdebrief.com/104.171.28.61) - 104.171.28.62 (https://ipdebrief.com/104.171.28.62) - 104.171.28.64 (https://ipdebrief.com/104.171.28.64) - 104.171.28.75 (https://ipdebrief.com/104.171.28.75) --- Source: IPDebrief, "104.171.28.29 IP intelligence", https://ipdebrief.com/104.171.28.29, updated 2026-10-07. Assessments are probabilistic.