Data as of Nov 11, 2026
63.141.63.0/24
No anonymizer space · no proxy exits in 30 daysFastly, Inc. · space held by CloudIP LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Jul 2026
from AS3257 GTT Communications Inc., after 1.3 years unannounced
registry: reallocated to Mozilla Corporation by CloudIP LLC, Jun 5, 2026
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 63. | 1,536 | CL-970 | CloudIP LLC (CL-970) · US | Direct Allocation | Jul 19, 2016 | admin@ |
| └ 63.141.63.0/24 | 256 | MOZILLA | Mozilla Corporation (MOZIL-1) · US | Reallocated | Jun 5, 2026 | hostmaster@ |
Network & registry
IPv4 market
Holder
- Organization
- CloudIP LLC
- Handle
- CL-970
- Range
- 63.
141. 58. 0 - 63. 141. 63. 255 - Registration type
- Direct Allocation
- Record created
- Jul 19, 2016
- Reallocated to
- Mozilla Corporation (MOZIL-1)
- Reallocated range
- 63.
141. 63. 0/ 24 - Reallocated
- Jun 5, 2026
Origin network
AS54113
US
- Name
- Fastly, Inc.
- Type
- Hosting
- Registered
- Oct 4, 2011
- Domain
- fastly.com
- Website
- www.fastly.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 146
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- May 2012
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 7
- Last change of origin
- Jul 2026
Recorded history
History
- Handoffs
- 6
Whois
Registration for this announcement
- Range
- 63.
141. 63. 0/ 24 - Netname
- MOZILLA
- Registrant
- Mozilla Corporation
- Organization
- Mozilla Corporation (MOZIL-1)
- Org address
- 149 New Montgomery St, San Francisco, CA, 94105
- Org country
- US
- Type
- Reallocated
- Handle
- NET-63-141-63-0-1
- Parent
- NET-63-141-58-0-1
- Created
- Jun 5, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 19, 2016
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
mozilla. com - Name
- Mozilla Hostmaster
- Phone
- +1-650-903-0800
- Handle
- MOZIL-ARIN