204.152.156.0/22
🇺🇸CIDR
204.152.156.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇺🇸 United States
City
Westmont
RIR
ARIN
Status
allocated
Allocated
1/24/1996
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
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.152.156.0/24 | AS2386INS-AS - AT&T Enterprises, LLC | No ROA | — | 6/1/2026 |
| 204.152.158.0/24 | AS7018ATT-INTERNET4 - AT&T Enterprises, LLC | No ROA | — | 6/1/2026 |
| 204.152.157.0/24 | AS21643MWU-ASN - Midwestern University | No ROA | — | 6/1/2026 |
| 204.152.156.0/24 | AS33491COMCAST-33491 - Comcast Cable Communications, LLC | No ROA | — | 6/1/2026 |
Origin ASN
AS21643
MWU-ASN - Midwestern University
Geolocation
API
Open https://api.ipctl.io/v1/prefix/204.152.156.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.152.156.0/22" | jq
External Links