Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS680

Announcement observedARIN

DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. · DFN

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/16/2026, 22:34:57Snapshot expired

View network topology RDAP registration

ASN: AS680
Registration country: Germany
Name: DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Abbreviation: DFN
Registration date: 9/20/2002, 09:00:35
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
128.140.208.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
128.176.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
128.7.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
129.217.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
129.233.128.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
129.233.202.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
129.233.210.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
129.233.224.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
129.247.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
129.26.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
129.70.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
130.133.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
130.149.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
130.183.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
130.73.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
130.75.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
131.173.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
131.188.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
131.220.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
131.234.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
132.176.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
132.180.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
132.187.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
132.195.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
132.199.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
132.231.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
132.252.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.1.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.100.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.102.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.104.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.106.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.106.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.107.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/12/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.109.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.110.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.169.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.176.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.245.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.28.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.30.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.91.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.94.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.96.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.99.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
134.99.235.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
136.156.96.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
136.172.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
137.193.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
137.248.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
RIR: ARIN
Registration country: Germany
Registration date: 9/20/2002, 09:00:35
Abuse contact: abuse@dfn.de

Snapshot trend

10/16/2026, 22:34:57296 v425 v678 Upstream · 836 Uncertain

10/14/2026, 13:32:39295 v425 v657 Upstream · 737 Uncertain

10/13/2026, 12:02:43295 v425 v641 Upstream · 318 Uncertain

10/7/2026, 06:54:23294 v425 v641 Upstream · 318 Uncertain

10/6/2026, 05:50:11294 v425 v641 Upstream · 319 Uncertain

10/2/2026, 18:11:45294 v425 v641 Upstream · 318 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap