# 104.21.75.36 — IP Intelligence Summary

104.21.75.36 is an IPv4 address operated by CLOUDFLARENET - Cloudflare, Inc., US (AS13335). It belongs to datacenter or hosting infrastructure. As of November 14, 2026, IPDebrief rates it Low Risk (30/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/104.21.75.36
- Last updated: 2026-11-14

## Ownership

- Organization: Cloudflare, Inc.
- Network name: CLOUDFLARENET
- Allocated block: 104.16.0.0/12
- ASN: AS13335 (https://ipdebrief.com/asn/13335)
- Regional registry: ARIN
- Registered holder: Cloudflare, Inc.
- Routing operator: CLOUDFLARENET - Cloudflare, Inc., US
- Network registration country: United States
- Registrant address country: —
- Cloud / hosting provider: Cloudflare

## Location

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

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: CDN
- Datacenter / hosting: yes
- Residential: no
- Mobile: no
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (30/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Exposed services

- 80/tcp — http
- 443/tcp — https
- 8080/tcp — http-alt
- 8443/tcp — https-alt

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- caa: Not applicable (—)
- spf: Not checked (—)
- dmarc: Not checked (—)
- dnssec: Unknown / lookup inconclusive (36.75.21.104.in-addr.arpa)
- fcrDns: Not applicable

## Nearby addresses

- 104.21.75.24 (https://ipdebrief.com/104.21.75.24)
- 104.21.75.60 (https://ipdebrief.com/104.21.75.60)
- 104.21.75.77 (https://ipdebrief.com/104.21.75.77)
- 104.21.75.89 (https://ipdebrief.com/104.21.75.89)

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Source: IPDebrief, "104.21.75.36 IP intelligence", https://ipdebrief.com/104.21.75.36, updated 2026-11-14. Assessments are probabilistic.