Data as of Nov 8, 2026
74.199.143.0/24
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 |
|---|---|---|---|---|---|
| 74.199.128.0/17 since Jun 2018 | AS3257 | Internet provider | 39 6 always on | 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 |
|---|---|---|---|---|---|---|
| 74.199.128.0/17 | 32,768 | RGS-BLK13 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Jun 12, 2008 | abuse@ |
| └ 74.199.143.0/28 | 16 | TOOLPRO-GTT | unknown | — | — | — |
| └ 74.199.143.16/29 | 8 | TIME-WARNER-CABLE-BUSINESS-GTT | unknown | — | — | — |
| └ 74.199.143.24/29 | 8 | GTT-CUSTOMER | unknown | — | — | — |
| └ 74.199.143.32/29 | 8 | INSPIRE-BRANDS-GTT | unknown | — | — | — |
| └ 74.199.143.40/29 | 8 | INSPIRE-BRANDS-GTT | unknown | — | — | — |
| └ 74.199.143.56/29 | 8 | RENAISSANCE-FAMILY-GTT | unknown | — | — | — |
| └ 74.199.143.64/29 | 8 | ARBYS-RESTAURANT-GROUP-GTT | unknown | — | — | — |
| └ 74.199.143.72/30 | 4 | STATE-FARM-GTT | unknown | — | — | — |
| └ 74.199.143.76/30 | 4 | CONVERGEONE-INC-GTT | unknown | — | — | — |
| └ 74.199.143.80/29 | 8 | NEW-RUE21-GTT | unknown | — | — | — |
| └ 74.199.143.104/29 | 8 | ENVERA-SYSTEMS-GTT | unknown | — | — | — |
| └ 74.199.143.112/29 | 8 | RESTORATION-HARDWARE-625-WO-0000095962-GTT | unknown | — | — | — |
| └ 74.199.143.144/30 | 4 | CONVERGEONE-INC-GTT | unknown | — | — | — |
| └ 74.199.143.160/29 | 8 | ARBYS-RESTAURANT-GROUP-GTT | unknown | — | — | — |
| └ 74.199.143.168/29 | 8 | ARBYS-RESTAURANT-GROUP-GTT | unknown | — | — | — |
| └ 74.199.143.176/30 | 4 | EXXON-MOBIL-GTT | unknown | — | — | — |
| └ 74.199.143.180/30 | 4 | ARAMARK-GTT | unknown | — | — | — |
| └ 74.199.143.184/30 | 4 | INFINEON-TECHNOLOGIES-AMERICAS-CORP-GTT | unknown | — | — | — |
| └ 74.199.143.188/30 | 4 | ARIZONA-WESTERN-COLLEGE-GTT | unknown | — | — | — |
| └ 74.199.143.192/29 | 8 | DOTDASH-GTT | unknown | — | — | — |
| └ 74.199.143.200/29 | 8 | VECTOR-INTELLIGENT-SOLUTIONS-GTT | unknown | — | — | — |
| └ 74.199.143.208/30 | 4 | EXXON-MOBIL-GTT | unknown | — | — | — |
| └ 74.199.143.232/29 | 8 | IXS-COATINGS-HQ-GTT | unknown | — | — | — |
| └ 74.199.143.240/28 | 16 | MEMPHIS-CITY-CREDIT-UNION-GTT | unknown | — | — | — |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 248 | 97% | 2 | |
| Business | 8 | 3.1% | 1 |
Network & registry
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
- Sep 2008
- Current origin since
- Sep 2021 · 5.1 yr
- Origin networks
- 3
- Last change of origin
- Sep 2021
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 74.
199. 128. 0/ 17 - Netname
- RGS-BLK13
- 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-74-199-128-0-1
- Parent
- NET-74-0-0-0-0
- Created
- Jun 12, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 12, 2008
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- GTT Abuse Department
- Phone
- +1-703-442-5500
- Handle
- GAD46-ARIN