74.211.128.0/17 - GTT BACKBONE GTT Communications (AS3257)
CIDR
74.211.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇺🇸 United States
City
Inglewood
RIR
ARIN
Status
allocated
Allocated
2007-01-09
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 74.211.128.0/17 | AS3257 GTT-BACKBONE GTT Communications Inc. | No ROA | Other IRR | 2026-10-12 |
More-Specific Announcements
9 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 74.211.128.0/18 | AS20001 TWC-20001-PACWEST - Charter Communications Inc | Valid | - | 2026-10-12 |
| 74.211.192.0/19 | AS20001 TWC-20001-PACWEST - Charter Communications Inc | Valid | - | 2026-10-12 |
| 74.211.224.0/21 | AS20001 TWC-20001-PACWEST - Charter Communications Inc | Valid | - | 2026-10-12 |
| 74.211.232.0/24 | AS2914 NTT-DATA-2914 - NTT America, Inc. | Valid | - | 2026-10-12 |
| 74.211.232.0/24 | AS32043 NEO-FIBER-01 - NeoFiber Communications inc. | Valid | - | 2026-10-12 |
| 74.211.233.0/24 | AS401783 TOKALA-COMMUNICATIONS - TOKALA COMMUNICATIONS INC. | Valid | - | 2026-10-12 |
| 74.211.234.0/24 | AS2914 NTT-DATA-2914 - NTT America, Inc. | Valid | - | 2026-10-12 |
| 74.211.236.0/22 | AS9009 M247 M247 Europe SRL | Valid | - | 2026-10-12 |
| 74.211.240.0/20 | AS20001 TWC-20001-PACWEST - Charter Communications Inc | Valid | - | 2026-10-12 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS3257 | Other IRR | MAINT-AS3257 | 2025-04-11 |
Transfer History
Registry transfers of 74.211.128.0/17, blocks inside it, or blocks containing it.
- 74.211.128.0/17M&A ·
- 74.211.128.0/17M&A ·
Related Prefixes
Geolocation
Abuse Contact
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/74.211.128.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/74.211.128.0/17" | jq
External Links