Data as of Nov 10, 2026
172.66.0.0/22
No anonymizer space · no proxy exits in 30 daysCloudflare, Inc.
Operators, sellers and brokers
Privacy relays
| Name | Parent | In 172.66.0.0/22 | /24s |
|---|---|---|---|
| Cloudflare WARP | Cloudflare | 10.10% | 1 |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Hosting | 1,023 | >99% | 3 | |
| Privacy relay | 1 | 0.10% | 1 |
Network & registry
Origin network
AS13335
US
- Name
- Cloudflare, Inc.
- Type
- Hosting
- Registered
- Jul 14, 2010
- Domain
- cloudflare.com
- Website
- www.cloudflare.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 13
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2022
- Current origin since
- Oct 2022 · 4.1 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 172.
64. 0. 0/ 13 - Netname
- CLOUDFLARENET
- Registrant
- Cloudflare, Inc.
- Organization
- Cloudflare, Inc. (CLOUD14)
- Org address
- 101 Townsend Street, San Francisco, CA, 94107
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-172-64-0-0-1
- Parent
- NET-172-0-0-0-0
- Created
- Feb 25, 2015
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 25, 2015
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cloudflare. com - Name
- Abuse
- Phone
- +1-650-319-8930
- Handle
- ABUSE2916-ARIN