AS1104 Nikhef Stichting Nederlandse Wetenschappelijk Onderzoek Instituten

Nikhef Stichting Nederlandse Wetenschappelijk Onderzoek Instituten · registered in the Netherlands

IPv4 addresses75,52011 prefixes · 0.002% of announced IPv4

Rank in Netherlands#37largest network in NL by IPv4 space, of 1,026 · 0.17% of NL

Rank worldwide#2,282of 79,396 networks with IPv4

IPv61 x /32 (131,056 x /48)30 prefixes

CountryNetherlands1,098 ASNs registered there

Open AS1104 in ASN lookup Look up an IP in this network (145.107.4.1) All networks in Netherlands

IPv4 prefixes

All 11 prefixes, in address order.

145.107.4.0/22
145.110.0.0/16
145.116.48.0/20
145.116.208.0/21
145.116.216.0/24
185.153.60.0/22
192.16.185.0/24
192.16.186.0/24
192.16.192.0/24
192.16.194.0/23
192.16.199.0/24

IPv6 prefixes

All 30 prefixes.

2a07:8500::/32
2a07:8504::/40
2a07:8504:100::/43
2a07:8504:120::/48
2a07:8504:121::/48
2a07:8504:122::/47
2a07:8504:124::/46
2a07:8504:128::/45
2a07:8504:130::/44
2a07:8504:140::/42
2a07:8504:180::/43
2a07:8504:1a0::/48
2a07:8504:1a1::/48
2a07:8504:1a2::/47
2a07:8504:1a4::/46
2a07:8504:1a8::/45
2a07:8504:1b0::/44
2a07:8504:1c0::/42
2a07:8504:200::/39
2a07:8504:400::/39
2a07:8504:600::/42
2a07:8504:640::/43
2a07:8504:670::/44
2a07:8504:680::/41
2a07:8504:700::/40
2a07:8504:800::/37
2a07:8504:1000::/36
2a07:8504:2000::/35
2a07:8504:4000::/34
2a07:8504:8000::/33

Similar-sized networks in Netherlands

ASNNameIPv4 addresses

AS3327#34 CITIC CITIC Telecom CPC Netherlands B.V.79,360

AS41960#35 NEXTPERTISE Nextpertise B.V.79,104

AS42517#36 ST Schiphol Telematics B.V.76,800

AS49981#38 WorldStream WorldStream B.V.74,496

AS34108#39 BREEDBANDDELFT Stichting Breedband Delft69,888

AS1161#40 AS-TUE SURF B.V.69,632

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources