Data as of Nov 14, 2026
38.99.71.0/24
No anonymizer space · no proxy exits in 30 daysFive9 Inc. · reallocated from Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | AS174 | Internet provider | IP broker Rackdog (part) | 397,758 74,175 always on | Cogent Communications, LLC |
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 |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | 16,777,216 | COGENT-A | Cogent Communications, LLC (COGC) · US | Direct Allocation | Apr 16, 1991 | abuse@ |
| └ 38.99.71.0/24 | 256 | FIVE9-CGNT-NET-3 | Five9 Inc. (FIVE9) · US | Reallocated | Aug 10, 2022 | InfoSec@ |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 38.
0. 0. 0/ 8 - Registration type
- Direct Allocation
- Record created
- Apr 16, 1991
- Legacy
- yes
- Reallocated to
- Five9 Inc. (FIVE9)
- Reallocated range
- 38.
99. 71. 0/ 24 - Reallocated
- Aug 10, 2022
Origin network
AS36776
US
- Name
- Five9 Inc.
- Type
- Business
- Registered
- Apr 25, 2006
- Domain
- five9.com
- Website
- www.five9.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2008
- Current origin since
- Mar 2010 · 17 yr
- Origin networks
- 2
- Last change of origin
- Mar 2010
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 38.
99. 71. 0/ 24 - Netname
- FIVE9-CGNT-NET-3
- Registrant
- Five9 Inc.
- Organization
- Five9 Inc. (FIVE9)
- Org address
- 4000 Executive Pkwy, Ste 400, San Ramon, CA, 94583
- Org country
- US
- Type
- Reallocated
- Handle
- NET-38-99-71-0-1
- Parent
- NET-38-0-0-0-1
- Created
- Aug 10, 2022
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 16, 1991
- Status
- assigned
Report abuse
Abuse contact
- InfoSec@
five9. com - Name
- InfoSec
- Phone
- +1-925-201-2000
- Handle
- INFOS5-ARIN