Data as of Nov 3, 2026
205.237.90.0/24
Anonymizer · ISP proxyLINK4 Communication · space held by Colocation America Corporation
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Oct 28, 2026
from AS20473 The Constant Company, LLC
IPv4 market
Path
Announced by AS152606 since Oct 28, 2026 · 6 days ago
1 · Holder
record created Jan 21, 2025 · reallocated to Internet Utilities Europe and Asia Limited May 8, 2025
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 205.237.90.0/24 | /24s |
|---|---|---|---|
| Ipway | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 205.237.90.0/24 | /24s |
|---|---|---|
| Colocation America Corporation | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
205.237.90.0/24
From the registry to its use
- Oct 22, 2008– Jun 27, 2016
- Aug 15, 2016– Jan 12, 2018
- Mar 26, 2018– Apr 18, 2018
- Apr 7, 2018– May 1, 2020
- Apr 20, 2020– Jul 14, 2022AnnouncedAS204472 Welcomehost OU
- Jul 15, 2022– Jan 23, 2025AnnouncedAS203999 Geekyworks IT Solutions Pvt Ltd
- Jan 21, 2025Registry recordColocation America CorporationALLOCATED PA205.237.88.0/21
- Feb 5, 2025– May 11, 2025
- May 8, 2025ReallocatedInternet Utilities Europe and Asia LimitedSUB-ALLOCATED PA205.237.88.0/22
- May 24, 2025– Nov 7, 2025
- Jul 6, 2026– Nov 2, 2026
- Aug 23, 2026– Oct 11, 2026
- Oct 26, 2026Route objectIPXORIPE route object for AS152606 LINK4 Communication, maintainer NETUTILS-MNT
- Oct 26, 2026Route objectIPXORADB route object for AS152606 LINK4 Communication, maintainer MAINT-AS834
- Oct 28, 2026– Nov 2, 2026
- todayUsedIpwayProxy seller
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|---|
| 205.237.88.0/21 since Jul 2026 | AS21769 | Hosting | IP broker IPXO | Colocation America Corporation |
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 |
|---|---|---|---|---|---|---|
| 205.237.88.0/21 | 2,048 | US-COLOCATION-20081014 | Colocation America Corporation (ORG-CAC5-RIPE) · US | ALLOCATED PA | Jan 21, 2025 | [email protected] |
| └ 205.237.88.0/22 | 1,024 | HGC-Global-Communications-Limited | Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE) · GB | SUB-ALLOCATED PA | May 8, 2025 | [email protected] |
| └ 205.237.90.0/24 | 256 | NET-205-237-90-0-24 | unknown | ASSIGNED PA | Oct 24, 2026 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Colocation America Corporation
- Handle
- ORG-CAC5-RIPE
- Range
- 205.237.88.0/21
- Registration type
- ALLOCATED PA
- Record created
- Jan 21, 2025
- Reallocated to
- Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE)
- Reallocated range
- 205.237.88.0/22
- Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- May 8, 2025
Origin network
AS152606
BD
- Name
- LINK4 Communication
- Type
- Hosting
- Registered
- Mar 3, 2024
- Domain
- link4bd.com
- Website
- link4bd.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Mar 2018
- Current origin since
- Oct 28, 2026 · under a month
- Origin networks
- 7
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 5
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 205.237.90.0/24 | AS152606 | /24 | RIPE | RPKI valid |
| 205.237.88.0/21 | AS21769 | /21 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 205.237.90.0/24
- Netname
- NET-205-237-90-0-24
- Registrant country
- HK
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Oct 26, 2026
- Updated
- Oct 26, 2026
- Maintainer
- netutils-mnt
- RIR
- RIPE NCC
- Country
- US
- Delegated
- Oct 14, 2008
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Internet Utilities Abuse Contact
- Handle
- AR834