199.91.72.0/22 - Zenlayer (AS21859)
CIDR
199.91.72.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇺🇸 United States
City
Dallas
RIR
ARIN
Status
allocated
Allocated
2012-01-27
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.91.72.0/22 | AS21859 ZEN-ECN - Zenlayer Inc | Valid | Other IRR | 2026-10-13 |
More-Specific Announcements
4 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.91.72.0/24 | AS21859 ZEN-ECN - Zenlayer Inc | Valid | - | 2026-10-13 |
| 199.91.73.0/24 | AS21859 ZEN-ECN - Zenlayer Inc | Valid | - | 2026-10-13 |
| 199.91.74.0/24 | AS21859 ZEN-ECN - Zenlayer Inc | Valid | - | 2026-10-13 |
| 199.91.75.0/24 | AS21859 ZEN-ECN - Zenlayer Inc | Valid | - | 2026-10-13 |
Origin ASN
AS21859
ZEN-ECN - Zenlayer Inc
Related Prefixes
More prefixes of AS21859
All prefixes of AS21859 →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/199.91.72.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/199.91.72.0/22" | jq
External Links