74.112.80.0/21 - GTT BACKBONE GTT Communications (AS3257)
CIDR
74.112.80.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Cheyenne
RIR
ARIN
Status
allocated
Allocated
2009-04-16
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 74.112.80.0/21 | AS3257 GTT-BACKBONE GTT Communications Inc. | No ROA | ARIN | 2026-10-11 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 74.112.80.0/22 | AS20115 CHARTER-20115 - Charter Communications LLC | Valid | - | 2026-10-11 |
| 74.112.87.0/24 | AS3356 LEVEL3 - Level 3 Parent, LLC | No ROA | - | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS3257 | ARIN | MNT-IPNET-1 | 2025-08-14 |
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/74.112.80.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/74.112.80.0/21" | jq
External Links