Data as of Nov 7, 2026
157.254.37.0/24
No anonymizer space · no proxy exits in 30 daysAirtime Technology SRL · space held by Vantiva USA Shared Services Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
IPv4 market
Path
1 · Holder
record created Feb 8, 1992 · reallocated to Internet Utilities NA LLC Jan 7, 2025
2 · Leased from
4 · Use
Unknown
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
157.254.37.0/24
From the registry to its use
- Feb 8, 1992Registry recordVantiva USA Shared Services Inc.Direct Allocation (legacy, pre-1997)157.254.0.0/16
- Oct 26, 2023– Feb 11, 2026
- Nov 19, 2023– Dec 12, 2023
- Jan 7, 2025ReallocatedInternet Utilities NA LLCReallocated157.254.0.0/17
- Jan 7, 2025AssignedAirtime Technology SRLReassigned157.254.36.0/23
- Jun 17, 2025– today
- May 19, 2026– today
- todayLeased fromIPXOIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 157.254.36.0/23 since May 2026 | AS271935 | Unknown | IP broker IPXO | 1 | Vantiva USA Shared Services Inc. via Internet Utilities NA LLC |
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 |
|---|---|---|---|---|---|---|
| 157.254.0.0/16 | 65,536 | VANTIVA | Vantiva USA Shared Services Inc. (TU-310-Z) · US | Direct Allocation | Feb 8, 1992 | Abuse@ |
| └ 157.254.0.0/17 | 32,768 | IPXO-157-254-0-0-17 | IPXO LLC (IL-845) · US | Reallocated | Jan 12, 2022 | abuse@ |
| └ 157.254.0.0/17 | 32,768 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jan 7, 2025 | report@ |
| └ 157.254.36.0/23 | 512 | NET-157-254-36-0-23 | Airtime Technology SRL (C11060813) · DO | Reassigned | Jan 7, 2025 | report@ via IPXO-157-254-0-0-17 |
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
IPv4 market
Holder
- Organization
- Vantiva USA Shared Services Inc.
- Handle
- TU-310-Z
- Range
- 157.
254. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Feb 8, 1992
- Legacy
- yes
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 157.
254. 0. 0/ 17 - Reallocated
- Jan 7, 2025
Origin network
AS271935
DO
- Name
- Airtime Technology SRL
- Type
- Internet provider
- Registered
- Jul 7, 2021
- Domain
- airtime.com.do
- Website
- www.airtime.com.do/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2025
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 157.254.36.0/23 | AS271935 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 157.
254. 36. 0/ 23 - Netname
- NET-157-254-36-0-23
- Registrant
- Airtime Technology SRL
- Organization
- Airtime Technology SRL (C11060813)
- Type
- Reassigned
- Handle
- NET-157-254-36-0-1
- Parent
- NET-157-254-0-0-3
- Created
- Jan 7, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 8, 1992
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN