31.204.156.0/23
🇺🇸CIDR
31.204.156.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇺🇸 United States
City
Newark
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 31.204.156.0/23 | AS49544i3Dnet i3D.net B.V | Valid | RIPE | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 31.204.128.0/19 | AS49544i3Dnet i3D.net B.V | Valid | — | 6/1/2026 |
RPKI ROAs
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS49544 | RIPE | MNT-I3D | 7/2/2025 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 31.204.157.128/25 | 🇺🇸US | assigned | |
| 31.204.156.0/25 | 🇺🇸US | assigned | |
| 31.204.157.0/26 | 🇺🇸US | assigned | |
| 31.204.157.64/27 | 🇺🇸US | assigned | |
| 31.204.157.96/27 | 🇺🇸US | assigned | |
| 31.204.156.240/28 | 🇺🇸US | assigned | |
| 31.204.156.160/28 | 🇺🇸US | assigned | |
| 31.204.156.192/28 | 🇺🇸US | assigned | |
| 31.204.156.176/28 | 🇺🇸US | assigned | |
| 31.204.156.144/28 | 🇺🇸US | assigned | |
| 31.204.156.128/28 | 🇺🇸US | assigned | |
| 31.204.156.224/28 | 🇺🇸US | assigned |
Origin ASN
AS49544
i3Dnet i3D.net B.V
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/31.204.156.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/31.204.156.0/23" | jq
External Links