Data as of Nov 13, 2026
207.145.4.0/24
Anonymizer · ISP proxyGTT Communications Inc. · space held by GTT Americas, LLC
IPv4 market
Path
2 · Leased from
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 207.145.4.0/24 | /24s |
|---|---|---|
| ARISK | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
207.145.4.0/24
From the registry to its use
- Jun 30, 2004Registry recordGTT Americas, LLCDirect Allocation207.145.0.0/16
- Jun 1, 2005– Aug 22, 2006
- Aug 22, 2006– Jan 29, 2024
- Jan 18, 2024– today
- Dec 14, 2025– today
- Dec 18, 2025Route objectAS3257 GTT Communications Inc.ARIN route object for AS3257 GTT Communications Inc., maintainer MNT-GAL-104
- todayLeased fromARISKIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 207.145.0.0/16 since Jan 2024 | AS3257 | Internet provider | 26 | 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 |
|---|---|---|---|---|---|---|
| 207.145.0.0/16 | 65,536 | MEGAPATH-BLK-10 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Jun 30, 2004 | abuse@ |
| └ 207.145.4.0/24 | 256 | GTT-CUSTOMER | unknown | Reassigned | Dec 18, 2025 | abuse@ via MEGAPATH-BLK-10 |
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
- 207.
145. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jun 30, 2004
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
- 243
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2025
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 207.
145. 4. 0/ 24 - Netname
- GTT-CUSTOMER
- Registrant
- GTT Americas, LLC
- Organization
- GTT Americas, LLC (GAL-104)
- Org address
- 4201 Wilson Blvd -Suite 504, Arlington, VA, 22203
- Org country
- US
- Type
- Reassigned
- Handle
- NET-207-145-4-0-1
- Parent
- NET-207-145-0-0-1
- Created
- Dec 18, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 30, 2004
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- GTT Abuse Department
- Phone
- +1-703-442-5500
- Handle
- GAD46-ARIN