Data as of Nov 3, 2026
64.105.40.0/23
Anonymizer · ISP proxyGTT Communications Inc. · 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 Aug 2026
from AS18566 GTT Americas, LLC, after 2.5 years unannounced
IPv4 market
Path
Announced by AS3257 since Aug 2026 · 10 wk ago
1 · Holder
record created Jun 7, 2000 · reallocated to Internet Utilities NA LLC Oct 10, 2025
2 · Leased from
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 64.105.40.0/23 | /24s |
|---|---|---|
| IPXO | 512100% | 2 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
64.105.40.0/23
From the registry to its use
- Jun 7, 2000Registry recordGTT Americas, LLCDirect Allocation64.105.0.0/16
- May 9, 2005– May 15, 2022
- May 9, 2005– Feb 22, 2024AnnouncedAS18566 GTT Americas, LLC
- Apr 29, 2023– Nov 2, 2026
- Oct 10, 2025ReallocatedInternet Utilities NA LLCReallocated64.105.0.0/18
- Jul 31, 2026Route objectAS3257 GTT Communications Inc.ARIN route object for AS3257 GTT Communications Inc., maintainer MNT-GAL-104
- Aug 23, 2026– Nov 2, 2026
- todayLeased fromIPXOIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 64.105.0.0/16 since Apr 2023 | AS3257 | Internet provider | 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 |
|---|---|---|---|---|---|---|
| 64.105.0.0/16 | 65,536 | MEGAPATH-BLK-51 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Jun 7, 2000 | [email protected] |
| └ 64.105.0.0/18 | 16,384 | IPXO-LLC | IPXO LLC (IL-845) · US | Reallocated | Oct 6, 2025 | [email protected] |
| └ 64.105.0.0/18 | 16,384 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Oct 10, 2025 | [email protected] |
| └ 64.105.40.0/24 | 256 | NET-64-105-40-0-24 | IPNetZone (IPNET-1) · US | Reallocated | Mar 25, 2026 | [email protected] |
| └ 64.105.40.0/24 | 256 | RCN-GTT | RCN (RTSL-6) · US | Reallocated | Sep 25, 2026 | [email protected] |
| └ 64.105.41.0/24 | 256 | NET-64-105-41-0-24 | IPNetZone (IPNET-1) · US | Reallocated | Mar 25, 2026 | [email protected] |
| └ 64.105.41.0/24 | 256 | RCN-GTT | RCN (RTSL-6) · US | Reallocated | Sep 25, 2026 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- GTT Americas, LLC
- Handle
- GAL-104
- Range
- 64.105.0.0/16
- Registration type
- Direct Allocation
- Record created
- Jun 7, 2000
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 64.105.0.0/18
- Reallocated
- Oct 10, 2025
Origin network
AS3257
US
- Name
- GTT Communications Inc.
- Type
- Internet provider
- Registered
- Sep 30, 1994
- Domain
- gtt.net
- Website
- www.gtt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 244
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- May 2005
- Current origin since
- Aug 2026 · 2 mo
- Origin networks
- 2
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 64.105.0.0/18
- Netname
- NETUTILS
- Registrant
- Internet Utilities NA LLC
- Organization
- Internet Utilities NA LLC (DCL-577)
- Org address
- 2711 Centerville Road, Wilmington, DE, 19808
- Org country
- US
- Type
- Reallocated
- Handle
- NET-64-105-0-0-3
- Parent
- NET-64-105-0-0-2
- Created
- Oct 10, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 7, 2000
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN