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ASN Lookup Tool
AS680 DFN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS680
Organisation
Verein zur Foerderung eines Deutschen Forschungs..
Name
DFN
Total IPv4 Addresses
7647022
Total IPv4 Prefixes
397
Total IPv6 Prefixes
135
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#65 out of 76,425
Registry
Ripe
Registered Country
DE flag DE
Registered Country Name
Germany
Registered Date
2002-09-20
Registration Last Change
2023-12-08
Receiving From

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

ASN
Organisation
AS20562
NL flagBroadband Hosting B.V.
AS33891
DE flagCore-Backbone GmbH
AS3320
DE flagDeutsche Telekom AG
AS3356
US flagLevel 3 Parent, LLC
AS3209
DE flagVodafone GmbH
Showing 5 of 31
Transit To

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

 

ASN
Organisation
AS553
DE flagUniversitaet Stuttgart
AS65000
WORLD flagPrivate Use AS
AS12816
DE flagLeibniz-Rechenzentrum
AS47610
DE flagRWTH Aachen University
AS34878
DE flagKarlsruhe Institute of Technology
Showing 5 of 34
IPv4 Active Prefixes

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

Prefix45.12.192.0/22
Range From45.12.192.0
Range To45.12.195.255
Prefix84.246.64.0/21
Range From84.246.64.0
Range To84.246.71.255
Prefix87.77.0.0/16
Range From87.77.0.0
Range To87.77.255.255
Prefix128.7.0.0/16
Range From128.7.0.0
Range To128.7.255.255
Prefix128.140.208.0/21
Range From128.140.208.0
Range To128.140.215.255
Showing 5 of 397
IPv6 Active Prefixes
Prefix2001:638::/39
Range From2001:638::
Range To2001:638:1ff:ffff:ffff:ffff:ffff:ffff
Prefix2001:638:200::/40
Range From2001:638:200::
Range To2001:638:2ff:ffff:ffff:ffff:ffff:ffff
Prefix2001:638:300::/45
Range From2001:638:300::
Range To2001:638:307:ffff:ffff:ffff:ffff:ffff
Prefix2001:638:308::/46
Range From2001:638:308::
Range To2001:638:30b:ffff:ffff:ffff:ffff:ffff
Prefix2001:638:30c::/48
Range From2001:638:30c::
Range To2001:638:30c:ffff:ffff:ffff:ffff:ffff
Showing 5 of 135
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.