172.87.28.0/22
🇺🇸CIDR
172.87.28.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇺🇸 United States
City
Los Angeles
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 172.87.28.0/22 | AS21859ZEN-ECN - Zenlayer Inc | No ROA | — | 5/31/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 172.87.24.0/21 | AS21859ZEN-ECN - Zenlayer Inc | No ROA | — | 5/31/2026 |
| 172.87.30.0/23 | AS21859ZEN-ECN - Zenlayer Inc | No ROA | — | 5/31/2026 |
| 172.87.28.0/24 | AS21859ZEN-ECN - Zenlayer Inc | No ROA | — | 5/31/2026 |
Origin ASN
AS21859
ZEN-ECN - Zenlayer Inc
Geolocation
API
Open https://api.ipctl.io/v1/prefix/172.87.28.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/172.87.28.0/22" | jq
External Links