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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
6,147,674
Total IPv4 Prefixes
135
Total IPv6 Prefixes
35
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#83 out of 77,528
Registry
Ripe
Registered Country
NL flag NL
Registered Country Name
Netherlands (Kingdom of the)
Registered Date
2002-09-23
Registration Last Change
2024-06-05
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS20562
NL flagBroadband Hosting B.V.
AS200242
DE flagHazel Reimer
AS56662
PL flagMarcin Gondek
AS48646
DE flagSDRmedia Verwaltungs GmbH
AS3209
DE flagVodafone GmbH
Showing 5 of 84
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS213028
NL flagDD webhosting B.V.
AS51078
FR flagZIOSTING SAS
AS216324
GB flagHyper Group Network Ltd.
AS197963
CZ flagJiri Vitak
AS199471
DE flagMarcel Straub
Showing 5 of 1625
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix129.125.0.0/16
Range From129.125.0.0
Range To129.125.255.255
Prefix130.37.0.0/16
Range From130.37.0.0
Range To130.37.255.255
Prefix130.112.0.0/16
Range From130.112.0.0
Range To130.112.255.255
Prefix131.174.0.0/16
Range From131.174.0.0
Range To131.174.255.255
Prefix131.211.0.0/16
Range From131.211.0.0
Range To131.211.255.255
Showing 5 of 135
IPv6 Active Prefixes
Prefix2001:610::/40
Range From2001:610::
Range To2001:610:ff:ffff:ffff:ffff:ffff:ffff
Prefix2001:610:100::/43
Range From2001:610:100::
Range To2001:610:11f:ffff:ffff:ffff:ffff:ffff
Prefix2001:610:121::/48
Range From2001:610:121::
Range To2001:610:121:ffff:ffff:ffff:ffff:ffff
Prefix2001:610:122::/47
Range From2001:610:122::
Range To2001:610:123:ffff:ffff:ffff:ffff:ffff
Prefix2001:610:124::/46
Range From2001:610:124::
Range To2001:610:127:ffff:ffff:ffff:ffff:ffff
Showing 5 of 35
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.