AS1104
Stichting Nederlandse Wetenschappelijk Onderzoek Instituten
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About this organization
Nikhef is the Dutch National Institute for Subatomic Physics that performs research in particle physics and astroparticle physics. Amongst others, it is a research partner of the CERN intergovernmental organization in Switzerland and a member of the European Gravitational Observatory.
Network profile
Source: PeeringDB →Present at 3 internet exchanges: AMS-IX, NL-ix: Main, Frys-IX
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS1104 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 145.116.216.0/24 | 40,306 | 2026-07-24 03:56:15 |
| 145.110.0.0/16 | 17,761 | 2026-07-24 03:56:15 |
| 192.16.195.0/24 | 17,663 | 2026-07-24 03:56:15 |
| 145.107.4.0/22 | 17,634 | 2026-07-24 03:56:15 |
| 145.116.208.0/21 | 17,565 | 2026-07-24 03:56:15 |
| 192.16.199.0/24 | 17,554 | 2026-07-24 03:56:15 |
| 192.16.185.0/24 | 17,528 | 2026-07-24 03:56:15 |
| 192.16.192.0/24 | 17,517 | 2026-07-24 03:56:15 |
| 185.153.60.0/22 | 17,470 | 2026-07-24 03:56:15 |
| 145.116.48.0/20 | 16,671 | 2026-07-24 03:56:15 |
| 192.16.194.0/24 | 16,610 | 2026-07-24 03:56:15 |
| 192.16.186.0/24 | 16,599 | 2026-07-24 03:56:15 |
| 145.102.132.0/22 | 348 | 2026-07-23 14:49:31 |
| 194.171.96.0/21 | 181 | 2026-07-23 09:34:05 |
Frequently Asked Questions
What is AS1104?
AS1104 is an Autonomous System Number assigned to Stichting Nederlandse Wetenschappelijk Onderzoek Instituten. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS1104 announce?
AS1104 announces 78.6K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in The Netherlands.
Who operates AS1104?
AS1104 is operated by Stichting Nederlandse Wetenschappelijk Onderzoek Instituten. The organization is based in The Netherlands. You can view all IP ranges and related ASNs on the organization page.
What country is AS1104 registered in?
AS1104 is registered in The Netherlands. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
