209.20.152.0/21 - BGP Prefix
IPv4not announced RPKI Valid
CIDR
209.20.152.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Bellevue (West Bellevue)
Status
not announced
Allocated
-
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 |
|---|---|---|---|---|
| 209.20.152.0/24 | AS11739 CHIRISA-TECHNOLOGY-PARKS-01 - Digital Fortress, Inc. | Valid | - | 2026-10-12 |
| 209.20.153.0/24 | AS11739 CHIRISA-TECHNOLOGY-PARKS-01 - Digital Fortress, Inc. | Valid | - | 2026-10-12 |
| 209.20.154.0/23 | AS35871 RCI - Reynolds Cable, Inc | No ROA | - | 2026-10-12 |
| 209.20.156.0/22 | AS398090 LAMBDA - Lambda | Valid | - | 2026-10-12 |
| 209.20.156.0/23 | AS398090 LAMBDA - Lambda | Valid | - | 2026-10-12 |
| 209.20.158.0/23 | AS398090 LAMBDA - Lambda | Valid | - | 2026-10-12 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 209.20.152.0/23 | 🇺🇸US | allocated | |
| 209.20.154.0/23 | AS35871 | 🇺🇸US | allocated |
| 209.20.156.0/22 | AS398090 | 🇺🇸US | allocated |
Transfer History
Registry transfers of 209.20.152.0/21, blocks inside it, or blocks containing it.
- 209.20.154.0/23Transfer ·
- 209.20.156.0/22Transfer ·
- 209.20.152.0/21M&A ·
- 209.20.128.0/17M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 209.20.154.0/23 | Transfer | |||
| 209.20.156.0/22 | Transfer | |||
| 209.20.152.0/21 | M&A | |||
| 209.20.128.0/17 | M&A |
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 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/209.20.152.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.20.152.0/21" | jq
External Links