81.4.104.0/21
🇳🇱CIDR
81.4.104.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇳🇱 The Netherlands
City
Amsterdam
RIR
RIPENCC
Status
allocated
Allocated
5/10/2002
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 |
|---|---|---|---|---|
| 81.4.104.0/22 | AS198203ASN-ROUTELABEL RouteLabel V.O.F. | Valid | — | 5/31/2026 |
| 81.4.108.0/22 | AS198203ASN-ROUTELABEL RouteLabel V.O.F. | Valid | — | 5/31/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.4.110.0/24 | 🇳🇱NL | assigned | |
| 81.4.111.0/24 | 🇳🇱NL | assigned | |
| 81.4.109.0/24 | 🇳🇱NL | assigned | |
| 81.4.107.0/24 | 🇳🇱NL | assigned | |
| 81.4.105.0/24 | 🇳🇱NL | assigned | |
| 81.4.108.0/24 | 🇳🇱NL | assigned | |
| 81.4.104.0/24 | 🇳🇱NL | assigned | |
| 81.4.106.0/24 | 🇳🇱NL | assigned | |
| 81.4.110.3/32 | 🇳🇱NL | assigned | |
| 81.4.105.51/32 | 🇳🇱NL | assigned | |
| 81.4.106.185/32 | 🇳🇱NL | assigned | |
| 81.4.110.160/32 | 🇳🇱NL | assigned | |
| 81.4.109.188/32 | 🇳🇱NL | assigned | |
| 81.4.110.150/32 | 🇳🇱NL | assigned | |
| 81.4.106.214/32 | 🇳🇱NL | assigned | |
| 81.4.109.246/32 | 🇳🇱NL | assigned | |
| 81.4.105.115/32 | 🇳🇱NL | assigned | |
| 81.4.105.253/32 | 🇳🇱NL | assigned | |
| 81.4.107.177/32 | 🇳🇱NL | assigned | |
| 81.4.108.187/32 | 🇳🇱NL | assigned | |
| 81.4.109.232/32 | 🇳🇱NL | assigned |
Origin ASN
AS198203
ASN-ROUTELABEL RouteLabel V.O.F.
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.4.104.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.4.104.0/21" | jq
External Links