Data as of Nov 10, 2026
66.167.6.0/24
Anonymizer · ISP proxyGTT Communications Inc. · space held by GTT Americas, LLC
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Sep 18, 2026
from AS3257 GTT Communications Inc.
IPv4 market
Path
Announced by AS3257 since Sep 18, 2026 · 8 wk ago
1 · Holder
record created Sep 10, 2001 · reallocated to Arisk Communications inc. Oct 9, 2025
2 · Leased from
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 66.167.6.0/24 | /24s |
|---|---|---|
| ARISK | 256100% | 1 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 66.166.0.0/15 since Apr 2023 | AS3257 | Internet provider | 2 | GTT Americas, LLC |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 66.166.0.0/15 | 131,072 | MEGAPATH-BLK-55 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Sep 10, 2001 | abuse@ |
| └ 66.167.6.0/23 | 512 | GTT-ARISK-NET | Arisk Communications inc. (AC-5396) · US | Reallocated | Oct 9, 2025 | support@ |
| └ 66.167.6.0/23 | 512 | ARISK-GTT | unknown | Reassigned | Jan 6, 2026 | support@ via GTT-ARISK-NET |
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
Announced by
Covering announcement 66.167.6.0/23
- Prefix
- 66.167.6.0/23
- Announced by
- AS3257 GTT Communications Inc.
- Type
- ISP proxy
- Anonymizer addresses
- all
- Leased from
- IP broker ARISK
- RPKI
- RPKI invalid (origin)
- Netname
- ARISK-GTT
- RIR
- ARIN
IPv4 market
Holder
- Organization
- GTT Americas, LLC
- Handle
- GAL-104
- Range
- 66.
166. 0. 0/ 15 - Registration type
- Direct Allocation
- Record created
- Sep 10, 2001
- Reallocated to
- Arisk Communications inc. (AC-5396)
- Reallocated range
- 66.
167. 6. 0/ 23 - Reallocated
- Oct 9, 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
- 239
Routing timeline
Covering aggregate above, the prefix's own history below
66.167.6.0/23
Routing history
- Pattern
- Stable
- First seen
- Oct 2025
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.167.6.0/23 | AS9304 | /24 | ARIN | Another network |
| 66.167.6.0/23 | AS395793 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 66.
167. 6. 0/ 23 - Netname
- ARISK-GTT
- Organization
- Not stated by the registry
- Type
- Reassigned
- Handle
- NET-66-167-6-0-2
- Parent
- NET-66-167-6-0-1
- Created
- Jan 6, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 10, 2001
- Status
- assigned
Report abuse
Abuse contact
- support@
ariskisp. com - Name
- Wilson
- Phone
- +1-518-512-9230
- Handle
- WILSO1903-ARIN