Data as of Nov 5, 2026
199.235.124.0/23
No anonymizer space · no proxy exits in 30 daysHalton District School Board
IPv4 market
Path
1 · Holder
record created Apr 18, 1994 · reallocated to Internet Utilities NA LLC Apr 23, 2026
2 · Leased from
4 · Use
Unknown
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
199.235.124.0/23
From the registry to its use
- Apr 18, 1994Registry recordHalton District School BoardDirect Allocation (legacy, pre-1997)199.235.0.0/16
- Dec 14, 2025– Oct 23, 2026
- Apr 23, 2026ReallocatedInternet Utilities NA LLCReallocated199.235.0.0/16
- todayLeased fromIPXOIP broker
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 |
|---|---|---|---|---|---|---|
| 199.235.0.0/16 | 65,536 | HALTON-NET | Halton District School Board (HBE-1) · CA | Direct Allocation | Apr 18, 1994 | sabrim@ |
| └ 199.235.0.0/16 | 65,536 | HDSB199235-16 | IPXO LLC (IL-845) · US | Reallocated | Mar 26, 2026 | abuse@ |
| └ 199.235.0.0/16 | 65,536 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Apr 23, 2026 | report@ |
Network & registry
IPv4 market
Holder
- Organization
- Halton District School Board
- Handle
- HBE-1
- Range
- 199.
235. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Apr 18, 1994
- Legacy
- yes
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated
- Apr 23, 2026
Origin network
AS33105
CA
- Name
- Halton District School Board
- Type
- Education
- Registered
- May 30, 2014
- Domain
- hdsb.ca
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2025
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 199.235.124.0/23 | AS33105 | /24 | ARIN | RPKI valid |
| 199.235.112.0/20 | AS834 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 199.
235. 0. 0/ 16 - Netname
- NETUTILS
- Registrant
- Internet Utilities NA LLC
- Organization
- Internet Utilities NA LLC (DCL-577)
- Org address
- 2711 Centerville Road, Wilmington, DE, 19808
- Org country
- US
- Type
- Reallocated
- Handle
- NET-199-235-0-0-3
- Parent
- NET-199-235-0-0-2
- Created
- Apr 23, 2026
- RIR
- ARIN
- Country
- CA
- Delegated
- Apr 18, 1994
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN