Data as of Nov 12, 2026
87.87.192.0/18
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 | RPKI |
|---|---|---|---|---|
| 87.84.0.0/14 since Oct 2022 | AS3257 | Internet provider | 83 11 always on |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 87.87.192.0/20 since Aug 2026 | AS6079 | Residential | GTT Americas, LLC via RCN | |
| 87.87.208.0/20 since Aug 2026 | AS6079 | Residential | GTT Americas, LLC via RCN | |
| 87.87.224.0/20 since Aug 2026 | AS6079 | Residential | GTT Americas, LLC via RCN | |
| 87.87.240.0/20 since Aug 2026 | AS6079 | Residential | GTT Americas, LLC via RCN |
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 |
|---|---|---|---|---|---|---|
| 87.87.0.0/16 | 65,536 | GAL-104 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Mar 2, 2026 | abuse@ |
| └ 87.87.192.0/18 | 16,384 | RCN-GTT | RCN (RTSL-6) · US | Reallocated | Sep 1, 2026 | abuse@ |
Network & registry
Announced by
Covering announcement 87.87.0.0/16
- Prefix
- 87.87.0.0/16
- Announced by
- AS3257 GTT Communications Inc.
- Type
- Internet provider
- Proxy exits
- 1
- RPKI
- No RPKI
- Netname
- GAL-104
- 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
- 251
Routing timeline
Covering aggregate above, the prefix's own history below
87.87.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Jan 2026
- Current origin since
- Jan 2026 · 10 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 87.
87. 0. 0/ 16 - Netname
- GAL-104
- 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-87-87-0-0-1
- Parent
- NET-87-0-0-0-1
- Created
- Mar 2, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 2, 2026
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- GTT Abuse Department
- Phone
- +1-703-442-5500
- Handle
- GAD46-ARIN