Data as of Nov 13, 2026
104.18.32.0/20
No anonymizer space · no proxy exits in 30 daysCloudflare, Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Recent change
New origin Sep 18, 2026
from AS13335 Cloudflare, Inc., after 1.7 years unannounced
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 |
|---|---|---|---|---|
| 104.18.32.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.33.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.34.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.35.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.36.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.37.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.38.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.39.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.40.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.41.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.42.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.43.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.44.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.45.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.46.0/24 since Jan 2022 | AS13335 | Hosting | Cloudflare, Inc. | |
| 104.18.47.0/24 since Jan 2022 | 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
- 13
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2015
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 104.18.32.0/20 | AS13335 | /20 | ARIN | RPKI valid |
| 104.18.32.0/19 | AS13335 | /19 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS13335 | ARIN | Cloudflare, Inc. | MNT-CLOUD14 | Jun 21, 2019 |
Whois
Registration for this announcement
- Range
- 104.
16. 0. 0/ 12 - 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-104-16-0-0-1
- Parent
- NET-104-0-0-0-0
- Created
- Mar 28, 2014
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 28, 2014
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cloudflare. com - Name
- Abuse
- Phone
- +1-650-319-8930
- Handle
- ABUSE2916-ARIN