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ASN Lookup Tool
AS1103 SURF B.V.

An 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.

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ASN Lookup for:

AS1103

Powered By:
ASN Extended Info API
BGP Active Prefixes API
ASN Details JSON View

ASN Details

ASN
AS1103
Organisation
SURF B.V.
AS Name
SURFNET-NL
IPv4 Addresses Announced
6,189,059
IPv4 Prefixes Announced
137
IPv6 Prefixes Announced
20
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#85 out of 75,562
Registry
Ripe
Registered Country
ZZ
Registration Date
2002-09-23
Registration Change
2022-06-09

Receiving From

ASN
Organisation
AS8714
London Internet Exchange Ltd.
AS41805
SAWAD LAND for Information Technology Ltd
AS56662
Marcin Gondek
AS1239
Sprint
AS3209
Vodafone GmbH
AS2914
NTT America, Inc.
AS3257
GTT Communications Inc.
AS7713
Telekomunikasi Indonesia (PT)
AS6830
Liberty Global B.V.
AS3303
Swisscom (Schweiz) AG
Showing 10 of 81 Results View More >

Transit To

ASN
Organisation
AS51078
ZIOSTING SAS
AS37277
Limelight Networks
AS212483
LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS57797
SysLevel SAS
AS209022
Tschajera Limited
AS56662
Marcin Gondek
AS211358
Patrizio Palumbo
AS205593
Marek Krolikowski trading as TAKEN.PL IT SERVICE..
AS211024
Jack O'Sullivan
AS213201
Mathew Philipps
Showing 10 of 2,069 Results View More >

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix 129.125.0.0/16
Range From 129.125.0.0
Range To 129.125.255.255
Prefix 130.112.0.0/16
Range From 130.112.0.0
Range To 130.112.255.255
Prefix 130.115.0.0/16
Range From 130.115.0.0
Range To 130.115.255.255
Prefix 130.37.0.0/16
Range From 130.37.0.0
Range To 130.37.255.255
Prefix 131.174.0.0/16
Range From 131.174.0.0
Range To 131.174.255.255
Prefix 131.211.0.0/16
Range From 131.211.0.0
Range To 131.211.255.255
Prefix 131.224.0.0/16
Range From 131.224.0.0
Range To 131.224.255.255
Prefix 132.229.0.0/16
Range From 132.229.0.0
Range To 132.229.255.255
Prefix 134.221.0.0/16
Range From 134.221.0.0
Range To 134.221.255.255
Prefix 136.231.0.0/16
Range From 136.231.0.0
Range To 136.231.255.255
Showing 10 of 137 Results View More >

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix 2001:610::/40
Range From 2001:610::
Range To 2001:610:ff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:610:100::/43
Range From 2001:610:100::
Range To 2001:610:11f:ffff:ffff:ffff:ffff:ffff
Prefix 2001:610:1000::/36
Range From 2001:610:1000::
Range To 2001:610:1fff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:610:121::/48
Range From 2001:610:121::
Range To 2001:610:121:ffff:ffff:ffff:ffff:ffff
Prefix 2001:610:122::/47
Range From 2001:610:122::
Range To 2001:610:123:ffff:ffff:ffff:ffff:ffff
Prefix 2001:610:124::/46
Range From 2001:610:124::
Range To 2001:610:127:ffff:ffff:ffff:ffff:ffff
Prefix 2001:610:128::/45
Range From 2001:610:128::
Range To 2001:610:12f:ffff:ffff:ffff:ffff:ffff
Prefix 2001:610:130::/44
Range From 2001:610:130::
Range To 2001:610:13f:ffff:ffff:ffff:ffff:ffff
Prefix 2001:610:140::/42
Range From 2001:610:140::
Range To 2001:610:17f:ffff:ffff:ffff:ffff:ffff
Prefix 2001:610:180::/41
Range From 2001:610:180::
Range To 2001:610:1ff:ffff:ffff:ffff:ffff:ffff
Showing 10 of 20 Results View More >