AS1133 UTWENTE-AS SURF B.V.

UTWENTE-AS SURF B.V. · registered in the Netherlands

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in Netherlands#44largest network in NL by IPv4 space, of 1,026 · 0.14% of NL

Rank worldwide#2,959of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryNetherlands1,098 ASNs registered there

Open AS1133 in ASN lookup Look up an IP in this network (130.89.0.1) All networks in Netherlands

IPv4 prefixes

All 1 prefix, in address order.

130.89.0.0/16

IPv6 prefixes

All 1 prefix.

2001:67c:2564::/48

Similar-sized networks in Netherlands

ASNNameIPv4 addresses

AS15703#41 TrueServer-AS TrueFullstaq B.V.67,328

AS1106#42 Nationale-Speeltuin SURF B.V.65,792

AS25182#43 PUBLIEKE-OMROEP-AS Stichting Nederlandse Publieke Omroep65,536

AS1199#45 SPEELTUIN-AS SURF B.V.65,536

AS15670#46 BBNED-AS Odido Netherlands B.V.65,536

AS61357#47 Ahold Koninklijke Ahold Delhaize N.V.64,512

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