Data as of Nov 14, 2026
63.245.221.0/24
Anonymizer · VPNFastly, Inc. · space held by Mozilla Corporation
IPv4 market
Path
2 · Leased from
not leased
Operators, sellers and brokers
VPN services
| Name | Parent | In 63.245.221.0/24 | /24s |
|---|---|---|---|
| Mozilla VPN | Mozilla | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
63.245.221.0/24
From the registry to its use
- Jun 16, 2006Registry recordMozilla CorporationDirect Allocation63.245.208.0/20
- Nov 1, 2010– Jan 8, 2016
- Jun 8, 2012– Jan 8, 2014AnnouncedAS53371 Mozilla Corporation
- Sep 22, 2018– Dec 15, 2020AnnouncedAS395602 Mozilla Corporation
- Dec 11, 2025
- Jan 7, 2026– today
- Apr 28, 2026Route objectAS54113 Fastly, Inc.RADB route object for AS54113 Fastly, Inc., maintainer MAINT-AS36856
- todayUsedMozilla VPNVPN
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 |
|---|---|---|---|---|---|---|
| 63.245.208.0/20 | 4,096 | MOZNET-1 | Mozilla Corporation (MOZIL-1) · US | Direct Allocation | Jun 16, 2006 | hostmaster@ |
| └ 63.245.216.0/21 | 2,048 | MOZILLA-FIREFOX-VPN | Mozilla Corporation (C11440135) · US | Reassigned | Dec 3, 2025 | hostmaster@ via MOZNET-1 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- Mozilla Corporation
- Handle
- MOZIL-1
- Range
- 63.
245. 208. 0/ 20 - Registration type
- Direct Allocation
- Record created
- Jun 16, 2006
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
- Nov 2010
- Current origin since
- Jan 2026 · 10 mo
- Origin networks
- 4
- Last change of origin
- Jan 2026
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 63.245.216.0/21 | AS54113 | /24 | ARIN | RPKI valid |
| 63.245.208.0/20 | AS36856 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 63.
245. 216. 0/ 21 - Netname
- MOZILLA-FIREFOX-VPN
- Registrant
- Mozilla Corporation
- Organization
- Mozilla Corporation (C11440135)
- Type
- Reassigned
- Handle
- NET-63-245-216-0-1
- Parent
- NET-63-245-208-0-1
- Created
- Dec 3, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 16, 2006
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
mozilla. com - Name
- Mozilla Hostmaster
- Phone
- +1-650-903-0800
- Handle
- MOZIL-ARIN