Data as of Nov 10, 2026
38.46.78.0/24
No anonymizer space · no proxy exits in 30 daysStacks 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) | 400,681 79,503 always on | Cogent Communications, LLC |
Registrations in this block
The registry's network records over this block, widest first, each 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@ |
| └ 38.46.72.0/21 | 2,048 | STACKS-CGNT-NET-3 | Stacks Inc (STACK-10) · US | Reallocated | Sep 26, 2024 | noc@ |
Network & registry
Announced by
Covering announcement 38.46.72.0/21
- Prefix
- 38.46.72.0/21
- Announced by
- AS398704 Stacks Inc
- Type
- Hosting
- RPKI
- No RPKI
- Netname
- STACKS-CGNT-NET-3
- Registrant
- Stacks Inc
- RIR
- ARIN
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
- Stacks Inc (STACK-10)
- Reallocated range
- 38.
46. 72. 0/ 21 - Reallocated
- Sep 26, 2024
Origin network
AS398704
US
- Name
- Stacks Inc
- Type
- Hosting
- Registered
- Aug 13, 2020
- Domain
- stacksdiscovery.com
- Website
- www.stacksinc.net
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
38.46.72.0/21
Routing history
- Pattern
- Stable
- First seen
- Jun 2024
- Current origin since
- Jun 2024 · 2.4 yr
- Origin networks
- 1
IRR
Route objects on 38.46.72.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS398704 | RADB | Stacks Inc | MAINT-AS131530 | Jun 20, 2024 |
Whois
Registration for this announcement
- Range
- 38.
46. 72. 0/ 21 - Netname
- STACKS-CGNT-NET-3
- Registrant
- Stacks Inc
- Organization
- Stacks Inc (STACK-10)
- Org address
- 1665 LOGAN ST, DENVER, CO, 80203
- Org country
- US
- Type
- Reallocated
- Handle
- NET-38-46-72-0-1
- Parent
- NET-38-0-0-0-1
- Created
- Sep 26, 2024
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 16, 1991
- Status
- assigned
Report abuse
Abuse contact
- noc@
stacksinc. net - Name
- noc noc
- Phone
- +43423455
- Handle
- NOCNO72-ARIN