Data as of Nov 6, 2026
204.139.15.0/24
No anonymizer space · no proxy exits in 30 daysGTT Communications Inc. · space held by GTT Americas, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
Recent change
New origin May 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 204.139.8.0/21 since Jan 2024 | 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 |
|---|---|---|---|---|---|---|
| 204.139.8.0/21 | 2,048 | MEGAPATH-BLK-25 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Sep 1, 1994 | abuse@ |
| └ 204.139.12.0/22 | 1,024 | MACARNE-AMS | Macarne.com (ML-1435) · US | Reallocated | Nov 22, 2024 | noc@ |
Network & registry
IPv4 market
Holder
- Organization
- GTT Americas, LLC
- Handle
- GAL-104
- Range
- 204.
139. 8. 0/ 21 - Registration type
- Direct Allocation
- Record created
- Sep 1, 1994
- Legacy
- yes
- Reallocated to
- Macarne.com (ML-1435)
- Reallocated range
- 204.
139. 12. 0/ 22 - Reallocated
- Nov 22, 2024
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
- Stable
- First seen
- May 2026
- Current origin since
- May 2026 · 5 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 204.139.8.0/21 | AS3257 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 204.
139. 12. 0/ 22 - Netname
- MACARNE-AMS
- Registrant
- Macarne.com
- Organization
- Macarne.com (ML-1435)
- Org address
- 5900 Balcones Drive, Austin, TX, 78731
- Org country
- US
- Type
- Reallocated
- Handle
- NET-204-139-12-0-1
- Parent
- NET-204-139-8-0-1
- Created
- Nov 22, 2024
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 1, 1994
- Status
- assigned
Report abuse
Abuse contact
- noc@
macarne. com - Name
- NOC
- Phone
- +1-646-676-8678
- Handle
- NOC33610-ARIN