64.20.0.0/20 - GTT BACKBONE GTT Communications (AS3257)
CIDR
64.20.0.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
New York
RIR
ARIN
Status
allocated
Allocated
2005-04-05
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 64.20.0.0/20 | AS3257 GTT-BACKBONE GTT Communications Inc. | No ROA | Other IRR | 2026-10-11 |
More-Specific Announcements
5 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 64.20.4.0/23 | AS7029 WINDSTREAM - Windstream Communications LLC | No ROA | - | 2026-10-11 |
| 64.20.7.0/24 | AS7029 WINDSTREAM - Windstream Communications LLC | No ROA | - | 2026-10-11 |
| 64.20.8.0/24 | AS7029 WINDSTREAM - Windstream Communications LLC | No ROA | - | 2026-10-11 |
| 64.20.10.0/24 | AS7029 WINDSTREAM - Windstream Communications LLC | No ROA | - | 2026-10-11 |
| 64.20.12.0/22 | AS7029 WINDSTREAM - Windstream Communications LLC | No ROA | - | 2026-10-11 |
Transfer History
Registry transfers of 64.20.0.0/20, blocks inside it, or blocks containing it.
- 64.20.0.0/20M&A ·
- 64.20.0.0/20M&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/64.20.0.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/64.20.0.0/20" | jq
External Links