212.123.128.0/18 - KPN B.V (AS1136)
CIDR
212.123.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇳🇱 The Netherlands
City
Amsterdam
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 212.123.128.0/18 | AS1136 KPN KPN B.V. | Valid | RIPE | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 212.123.128.0/18 | AS1136 | /18 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS1136 | RIPE | KPN-MNT | 2018-07-04 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 212.123.128.0/19 | 🇳🇱NL | allocated | |
| 212.123.160.0/19 | 🇳🇱NL | allocated |
Origin ASN
AS1136
KPN KPN B.V.
Related Prefixes
Geolocation
Abuse Contact
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/212.123.128.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/212.123.128.0/18" | jq
External Links