Data as of Nov 8, 2026
172.64.32.0/20
No anonymizer space · no proxy exits in 30 daysCloudflare, Inc.
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 172.64.32.0/24 since Apr 2020 | AS13335 | Hosting | Cloudflare, Inc. | |
| 172.64.33.0/24 since Apr 2020 | AS13335 | Hosting | Cloudflare, Inc. | |
| 172.64.34.0/24 since Apr 2020 | AS13335 | Hosting | Cloudflare, Inc. | |
| 172.64.35.0/24 since Apr 2020 | AS13335 | Hosting | Cloudflare, Inc. | |
| 172.64.36.0/23 since Jan 2020 | AS13335 | Hosting | Cloudflare, Inc. | |
| 172.64.38.0/24 since Apr 2020 | AS13335 | Hosting | Cloudflare, Inc. | |
| 172.64.40.0/24 since Jan 2023 | AS13335 | Hosting | Cloudflare, Inc. | |
| 172.64.43.0/24 since Sep 2026 | AS13335 | Hosting | Cloudflare, Inc. |
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
- 14
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2016
- Current origin since
- Apr 2020 · 6.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 172.64.32.0/20 | AS13335 | /20 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS13335 | ARIN | Cloudflare, Inc. | MNT-CLOUD14 | Jun 21, 2019 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 172.64.39.0/24 | AS13335 | ARIN | 101 Townsend Street | MNT-CLOUD14 | Apr 16, 2025 |
| 172.64.41.0/24 | AS13335 | ARIN | Cloudflare, Inc. | MNT-CLOUD14 | Nov 6, 2025 |
| 172.64.42.0/24 | AS13335 | ARIN | Cloudflare, Inc. | MNT-CLOUD14 | Nov 6, 2025 |
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