Data as of Nov 5, 2026
74.1.221.0/24
Anonymizer · ISP proxyLINK4 Communication · space held by GTT Americas, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Oct 22, 2026
from AS219427 Vertexcore. Pte. Ltd.
IPv4 market
Path
Announced by AS152606 since Oct 22, 2026 · 2 wk ago
1 · Holder
record created Dec 20, 2005 · reallocated to Internet Utilities NA LLC Oct 10, 2025
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 74.1.221.0/24 | /24s |
|---|---|---|
| GTT Americas, LLC | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
74.1.221.0/24
From the registry to its use
- Dec 20, 2005Registry recordGTT Americas, LLCDirect Allocation74.0.0.0 - 74.3.127.255
- Jan 8, 2006– May 15, 2022
- Apr 29, 2023– today
- Oct 10, 2025ReallocatedInternet Utilities NA LLCReallocated74.1.0.0/16
- Apr 1, 2026– Apr 12, 2026Announced
- Aug 23, 2026– Sep 15, 2026AnnouncedAS219427 Vertexcore. Pte. Ltd.
- Aug 26, 2026Route objectIPXOARIN route object for AS219427 Vertexcore. Pte. Ltd., maintainer MNT-DCL-577
- Oct 22, 2026– today
- Oct 23, 2026AssignedInternet Utilities NA LLCReassigned74.1.221.0/24
- Oct 23, 2026Route objectIPXORADB route object for AS152606 LINK4 Communication, maintainer MAINT-AS834
- todayLeased fromIPXOIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 74.0.0.0/15 since Apr 2023 | AS3257 | Internet provider | IP broker IPXO (part) | 162 56 always on | GTT Americas, 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 |
|---|---|---|---|---|---|---|
| 74. | 229,376 | MEGAPATH-BLK-64-65-66 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Dec 20, 2005 | abuse@ |
| └ 74.1.0.0/16 | 65,536 | IPXO-LLC | IPXO LLC (IL-845) · US | Reallocated | Oct 6, 2025 | abuse@ |
| └ 74.1.0.0/16 | 65,536 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Oct 10, 2025 | report@ |
| └ 74.1.221.0/24 | 256 | NET-74-1-221-0-24 | unknown | Reassigned | Oct 23, 2026 | report@ via IPXO-LLC |
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
- GTT Americas, LLC
- Handle
- GAL-104
- Range
- 74.
0. 0. 0 - 74. 3. 127. 255 - Registration type
- Direct Allocation
- Record created
- Dec 20, 2005
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 74.
1. 0. 0/ 16 - Reallocated
- Oct 10, 2025
Origin network
AS152606
BD
- Name
- LINK4 Communication
- Type
- Hosting
- Registered
- Mar 3, 2024
- Domain
- link4bd.com
- Website
- link4bd.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2026
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 3
- Last change of origin
- Oct 22, 2026
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 74.1.221.0/24 | AS152606 | /24 | ARIN | RPKI valid |
| 74.1.220.0/23 | AS834 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 74.
1. 221. 0/ 24 - Netname
- NET-74-1-221-0-24
- 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-74-1-221-0-1
- Parent
- NET-74-1-0-0-2
- Created
- Oct 23, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 20, 2005
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN