64.50.128.0/20 - GTT BACKBONE GTT Communications (AS3257)
CIDR
64.50.128.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
New York City
RIR
ARIN
Status
allocated
Allocated
2000-03-14
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 64.50.128.0/20 | AS3257 GTT-BACKBONE GTT Communications Inc. | No ROA | Other IRR | 2026-10-11 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 64.50.128.0/21 | AS3257 GTT-BACKBONE GTT Communications Inc. | Valid | - | 2026-10-11 |
| 64.50.136.0/21 | AS4637 ASN-TELSTRA-GLOBAL Telstra Global | Valid | - | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS3257 | Other IRR | MAINT-AS3257 | 2025-04-11 |
Transfer History
Registry transfers of 64.50.128.0/20, blocks inside it, or blocks containing it.
- 64.50.128.0/20M&A ·
- 64.50.128.0/20M&A ·
Related Prefixes
More prefixes of AS3257
All prefixes of AS3257 →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/64.50.128.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/64.50.128.0/20" | jq
External Links