97.75.232.0/21 - ZCorum (AS4452)
CIDR
97.75.232.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Sterling
RIR
ARIN
Status
allocated
Allocated
2009-12-03
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
6 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 97.75.232.0/24 | AS4452 ZCORUM - ZCorum | No ROA | - | 2026-10-12 |
| 97.75.234.0/24 | AS17385 ORBITEL - Orbitel Communications, LLC | Valid | - | 2026-10-12 |
| 97.75.235.0/24 | AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC | No ROA | - | 2026-10-12 |
| 97.75.236.0/24 | AS4452 ZCORUM - ZCorum | No ROA | - | 2026-10-12 |
| 97.75.237.0/24 | AS4452 ZCORUM - ZCorum | No ROA | - | 2026-10-12 |
| 97.75.238.0/24 | AS14488 WKYBB - City of Williamstown | No ROA | - | 2026-10-12 |
Transfer History
Registry transfers of 97.75.232.0/21, blocks inside it, or blocks containing it.
- 97.75.232.0/21M&A ·
- 97.75.224.0/19M&A ·
Origin ASN
AS4452
ZCORUM - ZCorum
Related Prefixes
Geolocation
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/97.75.232.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/97.75.232.0/21" | jq
External Links