// ASN

AS1103

SURFNET-NL SURFnet, The Netherlands, NL

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN: AS1103
Organization: SURFnet bv
Description: SURFNET-NL SURFnet, The Netherlands, NL
Country: NL
Registry (RIR): RIPE
Created: 2010-10-03
Updated: 2025-11-24
IPv4 Prefixes: 100
IPv6 Prefixes: 3

IPv4 Prefixes

100 total · showing first 10

129.125.0.0/16
130.37.0.0/16
131.174.0.0/16
131.211.0.0/16
131.224.0.0/16
132.229.0.0/16
134.221.0.0/16
136.231.0.0/16
137.120.0.0/16
137.224.0.0/16

IPv6 Prefixes

3 total

2001:610::/29
2001:67c:1200::/48
2001:67c:262c::/48

What is AS1103?

AS1103 is an Autonomous System Number (ASN) assigned to SURFnet bv. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

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