AS1128 TUDELFT-NL SURF B.V.

TUDELFT-NL SURF B.V. · registered in the Netherlands

IPv4 addresses196,6083 prefixes · 0.006% of announced IPv4

Rank in Netherlands#17largest network in NL by IPv4 space, of 1,026 · 0.43% of NL

Rank worldwide#1,119of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryNetherlands1,098 ASNs registered there

Open AS1128 in ASN lookup Look up an IP in this network (130.161.0.1) All networks in Netherlands

IPv4 prefixes

All 3 prefixes, in address order.

130.161.0.0/16
131.180.0.0/16
145.94.0.0/16

Similar-sized networks in Netherlands

ASNNameIPv4 addresses

AS15435#14 KABELFOON DELTA Fiber Nederland B.V.220,416

AS39686#15 AS-EUROFIBER Eurofiber Nederland BV210,176

AS21286#16 KPN-Corporate-Market KPN B.V.208,384

AS28685#18 ASN-ROUTIT Routit BV183,808

AS20857#19 TRANSIP-AS Signet B.V.175,872

AS12414#20 NL-SOLCON Solcon Internetdiensten B.V.171,264

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