Data as of Nov 3, 2026
172.99.136.0/24
No anonymizer space · no proxy exits in 30 daysSharon Networks, LLC · space held by NCDS Canada
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
172.99.136.0/24
From the registry to its use
- Jan 5, 2021Registry recordNCDS CanadaDirect Allocation172.99.136.0/22
- Aug 9, 2024– Aug 3, 2025
- Aug 9, 2024– Jun 16, 2025
- Jan 7, 2025ReallocatedInternet Utilities NA LLCReallocated172.99.136.0/22
- Aug 4, 2025– today
- todayLeased fromIPXOIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | RPKI |
|---|---|---|---|---|
| 172.99.136.0/23 since Aug 2024 | AS396856 | Hosting | IP broker IPXO |
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 |
|---|---|---|---|---|---|---|
| 172.99.136.0/22 | 1,024 | NCDS-NET | NCDS Canada (NC-717) · CA | Direct Allocation | Jan 5, 2021 | [email protected] |
| └ 172.99.136.0/22 | 1,024 | IP-NET | IPXO LLC (IL-845) · US | Reallocated | Jun 28, 2024 | [email protected] |
| └ 172.99.136.0/22 | 1,024 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jan 7, 2025 | [email protected] |
| └ 172.99.136.0/22 | 1,024 | NET-172-99-136-0-22 | unknown | Reassigned | Jan 26, 2026 | [email protected] via NCDS-NET |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- NCDS Canada
- Handle
- NC-717
- Range
- 172.99.136.0/22
- Registration type
- Direct Allocation
- Record created
- Jan 5, 2021
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated
- Jan 7, 2025
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2024
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 172.99.136.0/22 | AS396856 | /24 | ARIN | RPKI valid |
| 172.99.136.0/22 | AS402139 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 172.99.136.0/22
- Netname
- NET-172-99-136-0-22
- Registrant
- Internet Utilities NA LLC
- Organization
- Internet Utilities NA LLC (DCL-577)
- Org address
- 2711 Centerville Road, Wilmington, DE, 19808
- Org country
- US
- Type
- Reassigned
- Handle
- NET-172-99-136-0-4
- Parent
- NET-172-99-136-0-3
- Created
- Jan 26, 2026
- RIR
- ARIN
- Country
- CA
- Delegated
- Jan 5, 2021
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN