138.188.0.0/16
🇨ðŸ‡CIDR
138.188.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇨🇠Switzerland
City
Bern
RIR
RIPENCC
Status
allocated
Allocated
5/18/1990
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 138.188.0.0/16 | AS3303SWISSCOM Swisscom (Schweiz) AG | Valid | RIPE | 6/13/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 138.188.174.0/24 | AS16509AMAZON-02 - Amazon.com, Inc. | Valid | — | 6/13/2026 |
| 138.188.175.0/24 | AS16509AMAZON-02 - Amazon.com, Inc. | Valid | — | 6/13/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 138.188.0.0/16 | AS3303 | /24 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS3303 | RIPE | CH-UNISOURCE-MNT | 9/22/2001 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 138.188.0.0/17 | 🇨ðŸ‡CH | assigned | |
| 138.188.192.0/18 | 🇨ðŸ‡CH | assigned | |
| 138.188.128.0/19 | 🇨ðŸ‡CH | assigned | |
| 138.188.176.0/20 | 🇨ðŸ‡CH | assigned | |
| 138.188.160.0/21 | 🇨ðŸ‡CH | assigned | |
| 138.188.168.0/22 | 🇨ðŸ‡CH | assigned | |
| 138.188.172.0/23 | 🇨ðŸ‡CH | assigned | |
| 138.188.174.0/23 | 🇨ðŸ‡CH | assigned |
Origin ASN
AS3303
SWISSCOM Swisscom (Schweiz) AG
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/138.188.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/138.188.0.0/16" | jq
External Links