# 104.28.156.213 — IP Intelligence Summary

104.28.156.213 is an IPv4 address operated by Cloudflare, Inc. (AS13335), geolocated to Hong Kong, Hong Kong. It belongs to datacenter or hosting infrastructure. As of October 8, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/104.28.156.213
- Last updated: 2026-10-08

## Ownership

- Organization: Cloudflare, Inc.
- Network name: CLOUDFLARENET
- Allocated block: 104.16.0.0/12
- ASN: AS13335 (https://ipdebrief.com/asn/13335)
- Regional registry: ARIN

## Location

- City: Hong Kong
- Region: —
- Country: Hong Kong
- Time zone: —

## Network classification

- Infrastructure type: CDN
- Datacenter / hosting: yes
- 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

## Analyst narrative

\# IP Intelligence Briefing: 104.28.156.213/32

\## Executive Summary

IP 104.28.156.213 operates as a Cloudflare CDN endpoint within the 104.28.156.0/24 subnet. The address carries a low-risk score of 25 and is classified as "mostly_clean" within its neighborhood. No active threat indicators, blacklist entries, or known attacker associations were observed.

\## Infrastructure Profile

**Ownership & Provider:**

\- ASN: AS13335 (Cloudflare, Inc.)

\- Organization: CLOUDFLARENET

\- Registration: ARIN

\- Infrastructure Type: CDN

\- Network Classification: Firewalled / No Services

**Geolocation:**

\- Primary Location: Hong Kong (HK)

\- Geographic Consensus: Mixed data sources reported US and HK coordinates with 2500km accuracy radius

\- Geographic Plausibility: False (multiple source conflicts)

**Network Role:**

\- CDN Endpoint: Yes

\- Cloud Service: No

\- Proxy/VPN/Tor: No

\- Anycast: No

\- Mobile/Residential/Hosting: No

\## Threat Assessment

**Risk Metrics:**

\- Overall Risk Score: 25 (Low Risk)

\- Abuse Confidence Score: Not available

\- Blacklist Count: 0

\- DNSBL Lists: 1 of 8 total

\- Known Campaigns: None detected

**Threat Indicators:**

\- Tor Exit Node: No

\- Known Attacker: No

\- Spam Source: No

\- Threat Persistence Days: 0

\- Persistently Malicious: No

**Network Signals:**

\- Open Ports: None detected

\- TLS Certificate: Not available

\- HTTP Banner: Not available

\- Email Auth: No SPF/DMARC records

\## Neighborhood Context

**Subnet Analysis (104.28.156.0/24):**

\- Total Siblings: 54

\- Active Siblings: 19

\- Threat Siblings: 4

\- Abuse Density: 0.019

\- Subnet Classification: mostly_clean

**Risk Distribution:**

\- High Risk: 1 sibling

\- Medium Risk: 12 siblings

\- Low Risk: 23 siblings

**Notable Neighbor IPs:**

\- 104.28.156.34 (Risk: 25, Authority: 85)

\- 104.28.156.41 (Risk: 25, Authority: 85)

\- 104.28.156.53 (Risk: 40, Authority: 85)

\- 104.28.156.63 (Risk: 30, Authority: 85)

\## Historical Observation

**Observation Count:** 15 signals recorded

**Recent Activity:**

\- July 2026: CDN infrastructure signals confirmed

\- ASN AS13335 cloudflare associations documented

\- Geographic data conflicts between US and HK coordinates

\- One threat observation noted in signal history

\- No persistent malicious activity detected

**Temporal Analysis:**

\- Ownership Changes: 0

\- Threat Persistence Days: 0

\- Is Persistently Malicious: False

\## Related Entities

**Relationship Graph:**

\- Same Network: CLOUDFLARENET (3 relationships recorded)

\- No external hostname, organization, or certificate associations detected

\## Control Plane Data

**Routing & Stability:**

\- BGP Prefix: 104.28.156.0/24

\- Route Stable: False

\- Route Changes (30d): 0

\- MoAS: No

\- RPKI State: Not available

\- IRR Consistency: Not available

**DNS Security:**

\- DNSSEC Valid: Yes

\- CAA Records: No

\- DNSBL Listed: 1/8

\## Recommended Security Actions

**Firewall Rules:**

\- No specific blocking recommendations (low-risk CDN endpoint)

\- Standard CDN traffic patterns expected

\- Monitor for unusual outbound connections from this IP

**SOC Analyst Notes:**

\- This IP represents legitimate Cloudflare CDN infrastructure

\- Low risk score with no active threat indicators

\- Geographic inconsistencies require monitoring but do not indicate compromise

\- Neighborhood shows typical CDN subnet risk distribution

\- Standard allow-listing or monitoring appropriate

**Priority:** LOW

**Classification:** CDN Infrastructure / Legitimate Service

\---

*Report generated via IPDebrief Intelligence Platform*

## Nearby addresses

- 104.28.156.22 (https://ipdebrief.com/104.28.156.22)
- 104.28.156.34 (https://ipdebrief.com/104.28.156.34)
- 104.28.156.41 (https://ipdebrief.com/104.28.156.41)
- 104.28.156.42 (https://ipdebrief.com/104.28.156.42)
- 104.28.156.51 (https://ipdebrief.com/104.28.156.51)
- 104.28.156.53 (https://ipdebrief.com/104.28.156.53)
- 104.28.156.59 (https://ipdebrief.com/104.28.156.59)
- 104.28.156.60 (https://ipdebrief.com/104.28.156.60)
- 104.28.156.61 (https://ipdebrief.com/104.28.156.61)
- 104.28.156.62 (https://ipdebrief.com/104.28.156.62)
- 104.28.156.63 (https://ipdebrief.com/104.28.156.63)
- 104.28.156.64 (https://ipdebrief.com/104.28.156.64)

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Source: IPDebrief, "104.28.156.213 IP intelligence", https://ipdebrief.com/104.28.156.213, updated 2026-10-08. Assessments are probabilistic.
