209.145.42.0/23 - (AS399839)
CIDR
209.145.42.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇺🇸 United States
City
Salem
RIR
ARIN
Status
allocated
Allocated
2021-11-24
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
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.145.42.0/24 | AS203963 RubikDC SPDNet Telekomunikasyon Hizmetleri Bilgi Teknolojileri Taahhut Sanayi Ve Ticaret A.S. | Valid | - | 2026-10-12 |
| 209.145.43.0/24 | AS212609 Internet-6 Karolio IT paslaugos, UAB | Valid | - | 2026-10-12 |
Transfer History
Registry transfers of 209.145.42.0/23, blocks inside it, or blocks containing it.
- 209.145.42.0/23Transfer ·
- 209.145.32.0/19M&A ·
Origin ASN
AS399839
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/209.145.42.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.145.42.0/23" | jq
External Links