AS21320 GEANT IAS
AS21320 is operated by GEANT IAS and registered with RIPE NCC (NL) since 2001-10-31.
It announces 1 IPv4 and 0 IPv6 prefixes, 100% of them RPKI valid.
RIPE RIS sees 24 upstream and peer networks and 152 downstream networks next to it.
PeeringDB lists it as an Educational/Research network at 21 internet exchanges and 15 facilities. Its peering policy is selective.
| Name | GEANT IAS |
|---|---|
| Registry (RIR) | RIPE NCC |
| Country | Netherlands (NL) |
| Delegated on | 2001-10-31 |
| Network type | Educational/Research, Europe |
| Peering policy | Selective |
| IRR as-set | AS-GEANT-EUPEER |
| Prefixes (IPv4 / IPv6) | 1 / 0 |
| RPKI valid | 100% (1 / 1) |
| Upstreams and peers | 24 |
| Downstream networks | 152 |
| Website | geant.org |
Routing health
- AS21320 announces 1 IPv4 and 0 IPv6 prefixes.
- No IPv6 prefixes announced.
- All 1 announced prefixes are RPKI valid.
- 24 upstreams and peers, 152 downstream networks seen.
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 1
- 83.97.88.0/21
Upstreams and peers 24
The networks RIPE RIS sees next to AS21320 in BGP paths, the most visible first.
Peering
Peering policy: Selective. Suggested max-prefix limits: 40,000 IPv4, 10,000 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| AMS-IX | 1 | 400G | No |
| BIX | 1 | 100G | No |
| BIX.BG: Main | 1 | 100G | No |
| BNIX | 1 | 100G | No |
| CIXP | 1 | 100G | No |
| DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN | 1 | 400G | No |
| DE-CIX Madrid: DE-CIX Madrid Peering LAN | 1 | 400G | No |
| DE-CIX Marseille: DE-CIX Marseille Peering LAN | 1 | 100G | No |
| Equinix Warsaw | 1 | 100G | No |
| FICIX 2 (Helsinki): IPv4+IPv6 MTU 1500 | 1 | 100G | No |
| GigaPIX - LAN 1: LAN1 | 1 | 100G | No |
| GR-IX::Athens: Peering Lan | 1 | 100G | No |
| INEX LAN1: INEX LAN1 | 1 | 30G | No |
| LINX LON1: Main | 1 | 400G | No |
| LU-CIX | 1 | 100G | No |
| MIX-IT | 1 | 200G | No |
| Netnod Stockholm BLUE -- MTU1500: STH-B -- MTU1500 | 1 | 100G | No |
| Netnod Stockholm GREEN -- MTU1500: STH-A -- MTU1500 | 1 | 100G | No |
| NIX.CZ: Public peering VLAN | 1 | 100G | No |
| SIX SI | 1 | 100G | No |
| VIX | 1 | 200G | No |
| Facility | City | Country |
|---|---|---|
| CERN Geneva | Meyrin | CH |
| Digital Realty AMS9 - Amsterdam | Amsterdam | NL |
| Digital Realty Dublin DUB1-2 | Dublin | IE |
| Digital Realty Frankfurt FRA1-27 | Frankfurt | DE |
| Digital Realty Marseille MRS1/2/3/4 | Marseille | FR |
| Digital Realty Paris PAR1 | Paris | FR |
| Digital Realty VIE1/2 - Vienna | Vienna | AT |
| Equinix LD8 - London, Docklands | London | GB |
| Equinix MD2 - Madrid | Alcobendas | ES |
| Level(3) Brussels | Brussels | BE |
| MIX DC CALDERA | Milan | IT |
| NorthC Hamburg | Hamburg | DE |
| Sitel Bratislava | Bratislava | SK |
| Telia Telehouse KJJ | Tallinn | EE |
| VIRTUS LONDON4 (Slough) | Slough | GB |
More about AS21320
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 09:36 UTC. The country is where the AS number was registered, not necessarily where the network operates.