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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
7,665,482
Total IPv4 Prefixes
407
Total IPv6 Prefixes
169
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#60 out of 79,129
Registry
Ripe
Registered Country
DE flagDE
Registered Country Name
Germany
Registered Date
2002-09-20
Registration Last Change
2025-10-15
Receiving From
ASN
Organisation
AS33891
DE flagCore-Backbone GmbH
AS3320
DE flagDeutsche Telekom AG
AS3356
US flagLevel 3 Parent, LLC
AS3303
CH flagSwisscom (Schweiz) AG
AS8708
RO flagDIGI ROMANIA S.A.
Showing 5 of 27
Transit To
ASN
Organisation
AS65000
WORLD flagPrivate Use AS
AS553
DE flagUniversitaet Stuttgart
AS64512
WORLD flagPrivate Use AS
AS12816
DE flagLeibniz-Rechenzentrum
AS47610
DE flagRWTH Aachen University
Showing 5 of 32
IPv4 Active Prefixes
PrefixRange FromRange To
45.12.192.0/2245.12.192.045.12.195.255
84.246.64.0/2184.246.64.084.246.71.255
87.77.0.0/1687.77.0.087.77.255.255
128.7.0.0/16128.7.0.0128.7.255.255
128.140.208.0/21128.140.208.0128.140.215.255
Showing 5 of 407
IPv6 Active Prefixes
PrefixRange FromRange To
2001:638::/392001:638::2001:638:1ff:ffff:ffff:ffff:ffff:ffff
2001:638:200::/402001:638:200::2001:638:2ff:ffff:ffff:ffff:ffff:ffff
2001:638:300::/452001:638:300::2001:638:307:ffff:ffff:ffff:ffff:ffff
2001:638:308::/462001:638:308::2001:638:30b:ffff:ffff:ffff:ffff:ffff
2001:638:30c::/482001:638:30c::2001:638:30c:ffff:ffff:ffff:ffff:ffff
Showing 5 of 169