Nikhef
AS1104 is Nikhef (nikhef.nl). It announces 78,592 IPv4 addresses in 14 prefixes, and 5 IPv6 prefixes.
The Netherlands· RIPE· allocated 1993-09-01· education
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- The Netherlands78,592 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- Nikhef
- name
- Stichting Nederlandse Wetenschappelijk Onderzoek Instituten
- org
- ORG-SVFO1-RIPE
- org name
- Stichting Nederlandse Wetenschappelijk Onderzoek Instituten
- org address
- Science Park 105, 1098 XG, Amsterdam, NETHERLANDS
- org country
- NL
- country
- NL
- source
- ripe
- status
- LEGACY
- created
- 2001-12-03
- updated
- 2022-03-02
- descr
- Nikhef / Science Park 105 / Amsterdam, 1098 XG / The Netherlands
- maintainer
- RIPE-NCC-LEGACY-MNT|AS1104-MNT
- abuse name
- Nikhef CSIRT
- abuse email
- security@nikhef.nl
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.01%
- None here
- None here
- None here
- None here
- None here
- Hosting IP5120.65%
- None here
- None here
- None here
- SSH IP300.04%
- 0.00%
- 0.01%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 145.102.132.0/22 | The Netherlands | valid | 1 | 2026-10-02 |
| 145.107.4.0/22 | The Netherlands | valid | 19 | 2026-10-02 |
| 145.110.0.0/16 | The Netherlands | valid | 19 | 2026-10-02 |
| 145.116.48.0/20 | The Netherlands | valid | 19 | 2026-10-02 |
| 145.116.208.0/21 | The Netherlands | valid | 19 | 2026-10-02 |
| 145.116.216.0/24 | The Netherlands | not found | 19 | 2026-10-02 |
| 185.153.60.0/22 | The Netherlands | valid | 19 | 2026-10-02 |
| 192.16.185.0/24 | The Netherlands | valid | 19 | 2026-10-02 |
| 192.16.186.0/24 | The Netherlands | valid | 19 | 2026-10-02 |
| 192.16.192.0/24 | The Netherlands | valid | 19 | 2026-10-02 |
| 192.16.194.0/24 | The Netherlands | valid | 19 | 2026-10-02 |
| 192.16.195.0/24 | The Netherlands | valid | 19 | 2026-10-02 |
| 192.16.199.0/24 | The Netherlands | valid | 19 | 2026-10-02 |
| 194.171.96.0/21 | The Netherlands | valid | 1 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:610:120::/48 | The Netherlands | valid | 1 | 2026-10-02 |
| 2a07:8500::/32 | The Netherlands | valid | 20 | 2026-10-02 |
| 2a07:8504::/32 | The Netherlands | valid | 20 | 2026-10-02 |
| 2a07:8504:120::/48 | The Netherlands | valid | 20 | 2026-10-02 |
| 2a07:8504:1a0::/48 | The Netherlands | valid | 20 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.