Data as of Nov 9, 2026
157.254.51.0/24
4 residential-proxy exits · 30 daysBack Waves Limited · space held by Vantiva USA Shared Services Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
Residential-proxy exits
Proxy exits
4
1.6% of its addresses · 30 days
Providers
10
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
24 observations
Proxy providers listing exits
- BirdProxies
- Byteful
- EnigmaProxy
- GSocks
- Infatica
- MangoProxy
- NodeProxy
- NovaProxy
- Proxy-Seller
- Shifter
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 →
157.254.51.0/24
From the registry to its use
- Feb 8, 1992Registry recordVantiva USA Shared Services Inc.Direct Allocation (legacy, pre-1997)157.254.0.0/16
- Apr 11, 2024– Apr 22, 2024
- Apr 11, 2024– Dec 18, 2024AnnouncedAS400967 Assured Networks
- Dec 7, 2024– Dec 18, 2024
- Dec 7, 2024– Jan 11, 2025
- Jan 7, 2025ReallocatedInternet Utilities NA LLCReallocated157.254.0.0/17
- May 24, 2025– Jun 28, 2025
- Oct 3, 2025– Dec 13, 2025
- Dec 14, 2025– today
- Dec 15, 2025AssignedBack Waves Limited - USReassigned157.254.51.0/24
- Dec 15, 2025Route objectIPXORADB route object for AS153371 Back Waves Limited, maintainer MAINT-AS834
- Dec 15, 2025Route objectIPXOARIN route object for AS153371 Back Waves Limited, maintainer MNT-DCL-577
- 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 |
|---|---|---|---|---|---|---|
| 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@ |
| └ 157.254.51.0/24 | 256 | NET-157-254-51-0-24 | Back Waves Limited - US (C11448334) · US | Reassigned | Dec 15, 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
AS153371
HK
- Name
- Back Waves Limited
- Type
- Internet provider
- Registered
- Oct 17, 2024
- Domain
- backwaves.ltd
- Website
- www.backwaves.ltd
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2024
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 4
- Last change of origin
- Dec 2025
Recorded history
History
- Handoffs
- 5
Whois
Registration for this announcement
- Range
- 157.
254. 51. 0/ 24 - Netname
- NET-157-254-51-0-24
- Registrant
- Back Waves Limited - US
- Organization
- Back Waves Limited - US (C11448334)
- Type
- Reassigned
- Handle
- NET-157-254-51-0-1
- Parent
- NET-157-254-0-0-3
- Created
- Dec 15, 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