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ASN Lookup Tool
AS680 Verein zur Foerderung eines Deutschen Forschungs..

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:

AS680

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

ASN Details

ASN
AS680
Organisation
Verein zur Foerderung eines Deutschen Forschungs..
AS Name
DFN
IPv4 Addresses Announced
7,724,482
IPv4 Prefixes Announced
399
IPv6 Prefixes Announced
133
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#63 out of 75,638
Registry
Ripe
Registered Country
DE
Registration Date
2002-09-20
Registration Change
2023-05-24

Receiving From

ASN
Organisation
AS3320
Deutsche Telekom AG
AS3356
Level 3 Parent, LLC
AS3209
Vodafone GmbH
AS36351
SoftLayer Technologies Inc.
AS3303
Swisscom (Schweiz) AG
AS6461
Zayo Bandwidth
AS8220
COLT Technology Services Group Limited
AS8426
Claranet Limited
AS12552
GlobalConnect AB
AS13237
euNetworks GmbH
Showing 10 of 28 Results View More >

Transit To

ASN
Organisation
AS553
Universitaet Stuttgart
AS65000
Private Use AS
AS12816
Leibniz-Rechenzentrum
AS34878
Karlsruhe Institute of Technology
AS47610
RWTH Aachen University
AS1754
Deutsches Elektronen-Synchrotron DESY
AS41289
Deutscher Wetterdienst
AS5501
Fraunhofer-Gesellschaft zur Foerderung der angew..
AS5520
Universitaet zu Koeln
AS12643
Fraunhofer-Gesellschaft zur Foerderung der angew..
Showing 10 of 32 Results View More >

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix 128.140.208.0/21
Range From 128.140.208.0
Range To 128.140.215.255
Prefix 128.176.0.0/16
Range From 128.176.0.0
Range To 128.176.255.255
Prefix 128.7.0.0/16
Range From 128.7.0.0
Range To 128.7.255.255
Prefix 129.217.0.0/16
Range From 129.217.0.0
Range To 129.217.255.255
Prefix 129.233.128.0/19
Range From 129.233.128.0
Range To 129.233.159.255
Prefix 129.233.160.0/21
Range From 129.233.160.0
Range To 129.233.167.255
Prefix 129.233.168.0/22
Range From 129.233.168.0
Range To 129.233.171.255
Prefix 129.233.173.0/24
Range From 129.233.173.0
Range To 129.233.173.255
Prefix 129.233.174.0/23
Range From 129.233.174.0
Range To 129.233.175.255
Prefix 129.233.176.0/20
Range From 129.233.176.0
Range To 129.233.191.255
Showing 10 of 399 Results View More >

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix 2001:4cf0::/29
Range From 2001:4cf0::
Range To 2001:4cf7:ffff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:638::/39
Range From 2001:638::
Range To 2001:638:1ff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:638:1000::/36
Range From 2001:638:1000::
Range To 2001:638:1fff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:638:200::/40
Range From 2001:638:200::
Range To 2001:638:2ff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:638:2000::/35
Range From 2001:638:2000::
Range To 2001:638:3fff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:638:300::/45
Range From 2001:638:300::
Range To 2001:638:307:ffff:ffff:ffff:ffff:ffff
Prefix 2001:638:308::/46
Range From 2001:638:308::
Range To 2001:638:30b:ffff:ffff:ffff:ffff:ffff
Prefix 2001:638:30c::/48
Range From 2001:638:30c::
Range To 2001:638:30c:ffff:ffff:ffff:ffff:ffff
Prefix 2001:638:30e::/47
Range From 2001:638:30e::
Range To 2001:638:30f:ffff:ffff:ffff:ffff:ffff
Prefix 2001:638:310::/44
Range From 2001:638:310::
Range To 2001:638:31f:ffff:ffff:ffff:ffff:ffff
Showing 10 of 133 Results View More >