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ASN Lookup Tool
AS1103 SURFNET-NL

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS1103
Organisation
SURF B.V.
Name
SURFNET-NL
Total IPv4 Addresses
7,195,999
Total IPv4 Prefixes
155
Total IPv6 Prefixes
27
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#64 out of 79,182
Registry
Ripe
Registered Country
NL flagNL
Registered Country Name
Netherlands (Kingdom of the)
Registered Date
2002-09-23
Registration Last Change
2025-04-30
Receiving From
ASN
Organisation
AS20562
NL flagBroadband Hosting B.V.
AS33891
DE flagCore-Backbone GmbH
AS3257
US flagGTT Communications Inc.
AS2914
US flagNTT America, Inc.
AS4230
BR flagCLARO S.A.
Showing 5 of 66
Transit To
ASN
Organisation
AS112
US flagDNS-OARC
AS1101
NL flagSURF B.V.
AS64512
WORLD flagPrivate Use AS
AS64530
WORLD flagPrivate Use AS
AS1128
NL flagSURF B.V.
Showing 5 of 31
IPv4 Active Prefixes
PrefixRange FromRange To
129.125.0.0/16129.125.0.0129.125.255.255
130.37.0.0/16130.37.0.0130.37.255.255
131.174.0.0/16131.174.0.0131.174.255.255
131.211.0.0/16131.211.0.0131.211.255.255
131.224.0.0/16131.224.0.0131.224.255.255
Showing 5 of 155
IPv6 Active Prefixes
PrefixRange FromRange To
2001:610::/402001:610::2001:610:ff:ffff:ffff:ffff:ffff:ffff
2001:610:100::/432001:610:100::2001:610:11f:ffff:ffff:ffff:ffff:ffff
2001:610:121::/482001:610:121::2001:610:121:ffff:ffff:ffff:ffff:ffff
2001:610:122::/472001:610:122::2001:610:123:ffff:ffff:ffff:ffff:ffff
2001:610:124::/462001:610:124::2001:610:127:ffff:ffff:ffff:ffff:ffff
Showing 5 of 27