Check-Host.cc

Autonomous System

AS680 · DFN Deutsches Forschungsnetz e.V.

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Announced IPs
7.91M
IPv4
IPv4 Prefixes
295
IPv6 Prefixes
24
Hosted Domains
45,454
resolve into this AS
Peers
358
Customers
31

AS Profile

AS Name
DFN Deutsches Forschungsnetz e.V.
Also known as
DFN
AS Type
Educational/Research
Scope
Europe
Traffic
1-5Tbps
IRR AS-SET
AS680:AS-DFNTOWINISP
RIR
RIPE NCC
Country
DE
Allocated
1993-09-01

RPKI Validity

Total ROAs
1,334
Valid Prefixes
255
NotFound
64
Announced (BGP)
319
RPKI Coverage
79.9%

Geographic Footprint

Countries where this AS's scanned IPs are geolocated, by open-IP count.

DE
86,707
232

Top Open Ports

Most common open ports across IPs in this AS (last 30 days).

Port Open IPs
2000 3,610
5060 3,054
443 1,376
80 1,275
22 729
1720 414
25 414
143 390
8080 370
21 349
110 343
53 173
8443 124
6001 119
8333 107