194.171.96.0/21 - Nikhef Stichting Nederlandse Wetenschappelijk Onderzoek Instituten (AS1104)
CIDR
194.171.96.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇳🇱 The Netherlands
City
Amsterdam (Amsterdam-Zuidoost)
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 |
|---|---|---|---|---|
| 194.171.96.0/21 | AS1104 Nikhef Stichting Nederlandse Wetenschappelijk Onderzoek Instituten | Valid | RIPE | 2026-10-12 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 194.171.0.0/16 | AS1103 SURFNET-NL SURF B.V. | Valid | - | 2026-10-12 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 194.171.96.32/27 | 🇳🇱NL | assigned | |
| 194.171.96.128/25 | AS1104 | 🇳🇱NL | assigned |
Transfer History
Registry transfers of 194.171.96.0/21, blocks inside it, or blocks containing it.
- 194.171.0.0/16M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 194.171.0.0/16 | Surfnet B.V. | SURF B.V. | M&A |
Related Prefixes
Geolocation
Country🇳🇱The NetherlandsNL
RegionNorth Holland
CityAmsterdam (Amsterdam-Zuidoost)
Coordinates52.3564, 4.9508 ↗
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/194.171.96.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/194.171.96.0/21" | jq
External Links