81.4.112.0/21
🇳🇱CIDR
81.4.112.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇳🇱 The Netherlands
City
Rotterdam (Kralingen-Crooswijk)
RIR
RIPENCC
Status
allocated
Allocated
5/10/2002
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.4.112.0/21 | AS31586AS-TBNLTN Signet B.V. | Valid | RIPE | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS31586 | RIPE | PROSERVE-MNT | 4/23/2025 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.4.114.128/26 | 🇳🇱NL | assigned | |
| 81.4.112.224/27 | 🇳🇱NL | assigned | |
| 81.4.112.96/27 | 🇳🇱NL | assigned | |
| 81.4.112.192/27 | 🇳🇱NL | assigned | |
| 81.4.113.0/28 | 🇳🇱NL | assigned | |
| 81.4.116.112/28 | 🇳🇱NL | assigned | |
| 81.4.117.80/28 | 🇳🇱NL | assigned | |
| 81.4.115.0/28 | 🇳🇱NL | assigned | |
| 81.4.114.112/28 | 🇳🇱NL | assigned | |
| 81.4.116.224/28 | 🇳🇱NL | assigned | |
| 81.4.116.208/28 | 🇳🇱NL | assigned | |
| 81.4.117.32/28 | 🇳🇱NL | assigned | |
| 81.4.116.128/28 | 🇳🇱NL | assigned | |
| 81.4.116.96/28 | 🇳🇱NL | assigned | |
| 81.4.113.16/28 | 🇳🇱NL | assigned | |
| 81.4.116.240/28 | 🇳🇱NL | assigned | |
| 81.4.116.32/28 | 🇳🇱NL | assigned | |
| 81.4.117.16/29 | 🇳🇱NL | assigned | |
| 81.4.117.48/29 | 🇳🇱NL | assigned | |
| 81.4.117.96/29 | 🇳🇱NL | assigned | |
| 81.4.116.56/29 | 🇳🇱NL | assigned | |
| 81.4.112.8/29 | 🇳🇱NL | assigned | |
| 81.4.112.0/29 | 🇳🇱NL | assigned | |
| 81.4.112.32/29 | 🇳🇱NL | assigned | |
| 81.4.112.48/29 | 🇳🇱NL | assigned | |
| 81.4.112.56/29 | 🇳🇱NL | assigned | |
| 81.4.112.128/29 | 🇳🇱NL | assigned | |
| 81.4.112.136/29 | 🇳🇱NL | assigned | |
| 81.4.112.160/29 | 🇳🇱NL | assigned | |
| 81.4.112.176/29 | 🇳🇱NL | assigned | |
| 81.4.114.88/29 | 🇳🇱NL | assigned | |
| 81.4.114.96/29 | 🇳🇱NL | assigned | |
| 81.4.114.104/29 | 🇳🇱NL | assigned | |
| 81.4.116.16/29 | 🇳🇱NL | assigned | |
| 81.4.116.24/29 | 🇳🇱NL | assigned | |
| 81.4.116.80/29 | 🇳🇱NL | assigned | |
| 81.4.116.88/29 | 🇳🇱NL | assigned | |
| 81.4.116.144/29 | 🇳🇱NL | assigned | |
| 81.4.116.168/29 | 🇳🇱NL | assigned | |
| 81.4.117.8/29 | 🇳🇱NL | assigned | |
| 81.4.117.24/29 | 🇳🇱NL | assigned | |
| 81.4.117.56/29 | 🇳🇱NL | assigned | |
| 81.4.117.64/29 | 🇳🇱NL | assigned | |
| 81.4.117.104/29 | 🇳🇱NL | assigned | |
| 81.4.116.0/29 | 🇳🇱NL | assigned | |
| 81.4.116.72/29 | 🇳🇱NL | assigned | |
| 81.4.114.80/29 | 🇳🇱NL | assigned | |
| 81.4.116.64/29 | 🇳🇱NL | assigned | |
| 81.4.117.72/29 | 🇳🇱NL | assigned | |
| 81.4.116.192/29 | 🇳🇱NL | assigned | |
| 81.4.112.16/29 | 🇳🇱NL | assigned | |
| 81.4.112.24/29 | 🇳🇱NL | assigned | |
| 81.4.112.40/29 | 🇳🇱NL | assigned | |
| 81.4.112.64/29 | 🇳🇱NL | assigned | |
| 81.4.112.72/29 | 🇳🇱NL | assigned | |
| 81.4.112.144/29 | 🇳🇱NL | assigned | |
| 81.4.112.152/29 | 🇳🇱NL | assigned | |
| 81.4.114.0/29 | 🇳🇱NL | assigned | |
| 81.4.114.72/29 | 🇳🇱NL | assigned | |
| 81.4.116.8/29 | 🇳🇱NL | assigned | |
| 81.4.116.48/29 | 🇳🇱NL | assigned | |
| 81.4.116.152/29 | 🇳🇱NL | assigned | |
| 81.4.116.160/29 | 🇳🇱NL | assigned | |
| 81.4.116.176/29 | 🇳🇱NL | assigned | |
| 81.4.116.184/29 | 🇳🇱NL | assigned | |
| 81.4.117.0/29 | 🇳🇱NL | assigned | |
| 81.4.112.184/30 | 🇳🇱NL | assigned | |
| 81.4.112.172/30 | 🇳🇱NL | assigned | |
| 81.4.112.168/30 | 🇳🇱NL | assigned |
Origin ASN
AS31586
AS-TBNLTN Signet B.V.
Geolocation
Country🇳🇱The NetherlandsNL
RegionSouth Holland
CityRotterdam (Kralingen-Crooswijk)
Coordinates51.9179, 4.5151 ↗
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.4.112.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.4.112.0/21" | jq
External Links