Data as of Nov 3, 2026
154.37.92.0/23
Anonymizer · Datacenter proxyLeaseweb Singapore Pte. Ltd. · space held by Cogent Communications, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Datacenter proxy
Risk
85 / 100 · Critical
IPv4 market
Path
1 · Holder
record created Feb 5, 1992 · reallocated to Aventice LLC Dec 8, 2021
4 · Use
Datacenter proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 154.37.92.0/23 | /24s |
|---|---|---|
| Aventice | 512100% | 2 |
Leased from
Owners leasing their own space
| Name | In 154.37.92.0/23 | /24s |
|---|---|---|
| Cogent Communications, LLC | 512100% | 2 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
154.37.92.0/23
From the registry to its use
- Feb 5, 1992Registry recordCogent Communications, LLCDirect Allocation (legacy, pre-1997)154.37.0.0/16
- Sep 15, 2006– Nov 2, 2026
- Sep 5, 2019– Feb 7, 2020
- Dec 8, 2021ReallocatedAventice LLCReallocated154.37.64.0/18
- Apr 22, 2022– May 15, 2022
- May 4, 2022– Aug 19, 2022
- Aug 8, 2022– Nov 2, 2026
- Aug 10, 2022Route objectAS59253 Leaseweb Singapore Pte. Ltd.RADB route object for AS59253 Leaseweb Singapore Pte. Ltd., maintainer MAINT-AS16265
- Aug 15, 2026Route objectAS59253 Leaseweb Singapore Pte. Ltd.ARIN route object for AS59253 Leaseweb Singapore Pte. Ltd., maintainer MNT-AL-584
- todayLeased fromAventiceIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | RPKI |
|---|---|---|---|---|---|
| 154.36.0.0/14 since Sep 2006 | AS174 | Internet provider | IP broker Aventice (part) | 2,050 266 always on |
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 |
|---|---|---|---|---|---|---|
| 154.37.0.0/16 | 65,536 | COGENT-154-37-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | [email protected] |
| └ 154.37.64.0/18 | 16,384 | AVENTICE-CGNT-NET-14 | Aventice LLC (AL-584) · US | Reallocated | Dec 8, 2021 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 154.37.0.0/16
- Registration type
- Direct Allocation
- Record created
- Feb 5, 1992
- Legacy
- yes
- Reallocated to
- Aventice LLC (AL-584)
- Reallocated range
- 154.37.64.0/18
- Reallocated
- Dec 8, 2021
Origin network
AS59253
SG
- Name
- Leaseweb Singapore Pte. Ltd.
- Type
- Hosting
- Registered
- Dec 9, 2013
- Domain
- leaseweb.com
- Website
- www.leaseweb.com/
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 5
- Tor exits
- 1
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Sep 2019
- Current origin since
- Aug 2022 · 4.2 yr
- Origin networks
- 4
- Last change of origin
- Aug 2022
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 154.37.64.0/18
- Netname
- AVENTICE-CGNT-NET-14
- Registrant
- Aventice LLC
- Organization
- Aventice LLC (AL-584)
- Org address
- 7301 W. PALMETTO PARK RD, BOCA RATON, FL, 33433
- Org country
- US
- Type
- Reallocated
- Handle
- NET-154-37-64-0-1
- Parent
- NET-154-37-0-0-1
- Created
- Dec 8, 2021
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-214-530-2046
- Handle
- ABUSE7905-ARIN