216.133.192.0/19 - GTT BACKBONE GTT Communications (AS3257)
CIDR
216.133.192.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇺🇸 United States
City
Inglewood
RIR
ARIN
Status
allocated
Allocated
1998-11-18
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 216.133.192.0/19 | AS3257 GTT-BACKBONE GTT Communications Inc. | No ROA | Other IRR | 2026-10-11 |
More-Specific Announcements
6 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 216.133.192.0/21 | AS20001 TWC-20001-PACWEST - Charter Communications Inc | Valid | - | 2026-10-11 |
| 216.133.200.0/23 | AS20001 TWC-20001-PACWEST - Charter Communications Inc | Valid | - | 2026-10-11 |
| 216.133.204.0/22 | AS11611 ARCTICFOX - Arctic Fox Networks Inc | Valid | - | 2026-10-11 |
| 216.133.208.0/23 | AS20001 TWC-20001-PACWEST - Charter Communications Inc | Valid | - | 2026-10-11 |
| 216.133.212.0/22 | AS11611 ARCTICFOX - Arctic Fox Networks Inc | Valid | - | 2026-10-11 |
| 216.133.216.0/21 | AS20001 TWC-20001-PACWEST - Charter Communications Inc | Valid | - | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS3257 | Other IRR | MAINT-AS3257 | 2025-04-11 |
Transfer History
Registry transfers of 216.133.192.0/19, blocks inside it, or blocks containing it.
- 216.133.192.0/19M&A ·
- 216.133.192.0/19M&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/216.133.192.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/216.133.192.0/19" | jq
External Links