Data as of Nov 14, 2026
209.87.66.0/24
No anonymizer space · no proxy exits in 30 daysGTT Communications Inc. · space held by GTT Americas, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 209.87.64.0/19 since Jan 2024 | AS3257 | Internet provider | 6 | 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 |
|---|---|---|---|---|---|---|
| 209.87.64.0/19 | 8,192 | MEGAPATH-BLK-31 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Apr 6, 1999 | abuse@ |
| └ 209.87.66.0/24 | 256 | THREATLOCKER-GTT | Threatlocker (C11547846) · US | Reassigned | Mar 19, 2026 | abuse@ via MEGAPATH-BLK-31 |
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
- 209.
87. 64. 0/ 19 - Registration type
- Direct Allocation
- Record created
- Apr 6, 1999
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
- 363
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2026
- Current origin since
- Mar 2026 · 8 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 209.
87. 66. 0/ 24 - Netname
- THREATLOCKER-GTT
- Registrant
- Threatlocker
- Organization
- Threatlocker (C11547846)
- Type
- Reassigned
- Handle
- NET-209-87-66-0-1
- Parent
- NET-209-87-64-0-1
- Created
- Mar 19, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 6, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- GTT Abuse Department
- Phone
- +1-703-442-5500
- Handle
- GAD46-ARIN