171.21.0.0/16
🇳🇱CIDR
171.21.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇳🇱 The Netherlands
City
Schiphol
RIR
RIPENCC
Status
allocated
Allocated
3/30/1994
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
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 171.21.44.0/23 | AS28806KLMNET-AS Koninklijke Luchtvaart Maatschappij N.V. | No ROA | — | 5/31/2026 |
| 171.21.46.0/23 | AS28806KLMNET-AS Koninklijke Luchtvaart Maatschappij N.V. | No ROA | — | 5/31/2026 |
| 171.21.80.0/23 | AS28806KLMNET-AS Koninklijke Luchtvaart Maatschappij N.V. | No ROA | — | 5/31/2026 |
| 171.21.82.0/23 | AS28806KLMNET-AS Koninklijke Luchtvaart Maatschappij N.V. | No ROA | — | 5/31/2026 |
| 171.21.120.0/23 | AS28806KLMNET-AS Koninklijke Luchtvaart Maatschappij N.V. | No ROA | — | 5/31/2026 |
| 171.21.122.0/23 | AS28806KLMNET-AS Koninklijke Luchtvaart Maatschappij N.V. | No ROA | — | 5/31/2026 |
| 171.21.248.0/23 | AS28806KLMNET-AS Koninklijke Luchtvaart Maatschappij N.V. | No ROA | — | 5/31/2026 |
| 171.21.250.0/23 | AS28806KLMNET-AS Koninklijke Luchtvaart Maatschappij N.V. | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS28806 | RIPE | KLM-MNT | 3/25/2003 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 171.21.120.0/22 | 🇳🇱NL | assigned | |
| 171.21.44.0/22 | 🇳🇱NL | assigned | |
| 171.21.80.0/22 | 🇳🇱NL | assigned | |
| 171.21.248.0/22 | 🇳🇱NL | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/171.21.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/171.21.0.0/16" | jq
External Links