203.4.128.0/22
🇺🇸CIDR
203.4.128.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇺🇸 United States
City
New York
RIR
APNIC
Status
assigned
Allocated
3/29/1994
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.4.130.0/24 | AS1221ASN-TELSTRA - Telstra Limited | Valid | — | 5/31/2026 |
| 203.4.131.0/24 | AS1221ASN-TELSTRA - Telstra Limited | Valid | — | 5/31/2026 |
Origin ASN
AS132481
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.4.128.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.4.128.0/22" | jq
External Links