Data as of Nov 8, 2026
66.81.240.0/21
No anonymizer space · no proxy exits in 30 daysRingCentral Inc
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 66.81.240.0/24 since Jun 2022 | AS40627 | Business | RingCentral Inc | |
| 66.81.241.0/24 since Aug 2020 | AS16509 | Hosting | RingCentral Inc | |
| 66.81.244.0/23 since Sep 2025 | AS40627 | Business | RingCentral Inc | |
| 66.81.246.0/24 since Mar 2022 | AS40627 | Business | RingCentral Inc | |
| 66.81.247.0/24 since Jul 2022 | AS209242 | Hosting | RingCentral Inc |
Network & registry
Announced by
Covering announcement 66.81.240.0/20
- Prefix
- 66.81.240.0/20
- Announced by
- AS40627 RingCentral Inc
- Type
- Business
- RPKI
- RPKI valid
- Netname
- RC-PRO-5
- Registrant
- RingCentral Inc
- RIR
- ARIN
Origin network
AS40627
US
- Name
- RingCentral Inc
- Type
- Business
- Registered
- Feb 14, 2008
- Domain
- ringcentral.com
- Website
- www.ringcentral.com/
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 66.81.240.0/20
66.81.240.0/20
Routing history
- Pattern
- Stable
- First seen
- Aug 2013
- Current origin since
- Jul 2020 · 6.4 yr
- Origin networks
- 2
- Last change of origin
- Jul 2020
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.81.240.0/20 | AS40627 | /32 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 66.
81. 240. 0/ 20 - Netname
- RC-PRO-5
- Registrant
- RingCentral Inc
- Organization
- RingCentral Inc (RINGC)
- Org address
- 20 Davis Drive, Belmont, CA, 94002
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-81-240-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Jun 29, 2020
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 29, 2020
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
ringcentral. com - Name
- Operations
- Phone
- +1-650-472-4000
- Handle
- OPERA151-ARIN