Data as of Nov 9, 2026
141.193.21.240/28
No anonymizer space · no proxy exits in 30 daysBlack Mesa Corporation
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 |
|---|---|---|---|---|---|---|
| 141.193.21.0/24 | 256 | NET-NATO-1 | Black Mesa Corporation (NRL-25) · US | Direct Allocation | May 3, 2017 | noc@ |
| └ 141.193.21.240/28 | 16 | ARI | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 141.193.21.0/24
- Prefix
- 141.193.21.0/24
- Announced by
- AS46997 Black Mesa Corporation
- Type
- Business
- RPKI
- RPKI valid
- Netname
- NET-NATO-1
- Registrant
- Black Mesa Corporation
- RIR
- ARIN
Origin network
AS46997
US
- Name
- Black Mesa Corporation
- Type
- Business
- Registered
- May 4, 2020
- Domain
- nat.moe
- Website
- internet.nat.moe
- Industry
- Health Care Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 141.193.21.0/24
141.193.21.0/24
Routing history
- Pattern
- Stable
- First seen
- Apr 2017
- Current origin since
- May 2020 · 6.5 yr
- Origin networks
- 2
- Last change of origin
- May 2020
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 141.193.21.0/24 | AS38023 | /24 | ARIN | Another network |
| 141.193.21.0/24 | AS46997 | /24 | ARIN | RPKI valid |
| 141.193.21.0/24 | AS205058 | /24 | ARIN | Another network |
IRR
Route objects on 141.193.21.0/24
Whois
Registration for this announcement
- Range
- 141.
193. 21. 0/ 24 - Netname
- NET-NATO-1
- Registrant
- Black Mesa Corporation
- Organization
- Black Mesa Corporation (NRL-25)
- Org address
- 720 University Ave, Syracuse, NY, 13235
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-141-193-21-0-1
- Parent
- NET-141-0-0-0-0
- Created
- May 3, 2017
- RIR
- ARIN
- Country
- US
- Delegated
- May 3, 2017
- Status
- assigned
Report abuse
Abuse contact
- noc@
nat. moe - Name
- Nato Laboratory Networking
- Phone
- +1-315-744-5708
- Handle
- NLN2-ARIN