Data as of Nov 7, 2026
143.203.119.0/24
No anonymizer space · no proxy exits in 30 daysStack Harbor Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Oct 22, 2026
its first announcement on record
Network & registry
Origin network
AS397181
CA
- Name
- Stack Harbor Inc.
- Type
- Hosting
- Registered
- Dec 4, 2018
- Domain
- stackharbor.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 22, 2026
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 143.203.119.0/24 | AS397181 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 143.
203. 116. 0/ 22 - Netname
- STACKHARBOR-IPV4-09
- Registrant
- Stack Harbor Inc.
- Organization
- Stack Harbor Inc. (SH-282)
- Org address
- 75 Queen Street, Montreal, QC, H3C 2N6
- Org country
- CA
- Type
- Direct Allocation
- Handle
- NET-143-203-116-0-1
- Parent
- NET-143-0-0-0-0
- Created
- Oct 2, 2026
- RIR
- ARIN
- Country
- CA
- Delegated
- Oct 2, 2026
- Status
- assigned
Report abuse
Abuse contact
- abuse@
stackharbor. com - Name
- Abuse
- Phone
- +1-855-446-7836
- Handle
- ABUSE5242-ARIN