Data as of Nov 13, 2026
66.54.136.0/29
No anonymizer space · no proxy exits in 30 daysGTT Communications Inc. · space held by GTT Americas, LLC
Network & registry
Announced by
Covering announcement 66.54.128.0/17
- Prefix
- 66.54.128.0/17
- Announced by
- AS3257 GTT Communications Inc.
- Type
- Internet provider
- Proxy exits
- 19
- Always-on exits
- 1
- RPKI
- No RPKI
- Netname
- RGS-BLK3
- Registrant
- GTT Americas, LLC
- RIR
- ARIN
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
Who has announced 66.54.128.0/17
66.54.128.0/17
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Jun 2018 · 8.4 yr
- Origin networks
- 2
- Last change of origin
- Jun 2018
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 66.
54. 128. 0/ 17 - Netname
- RGS-BLK3
- Registrant
- GTT Americas, LLC
- Organization
- GTT Americas, LLC (GAL-104)
- Org address
- 4201 Wilson Blvd -Suite 504, Arlington, VA, 22203
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-54-128-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Dec 22, 2000
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 22, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- GTT Abuse Department
- Phone
- +1-703-442-5500
- Handle
- GAD46-ARIN