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
294
IPv6 Prefixes
24
Hosted Domains
43,286
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
2,138
Valid Prefixes
252
NotFound
66
Announced (BGP)
318
RPKI Coverage
79.2%

Geographic Footprint

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

DE
84,915
226

Top Open Ports

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

Port Open IPs
2000 3,134
5060 2,861
443 1,214
80 1,098
22 646
25 370
1720 362
143 347
8080 322
21 293
110 285
53 150
6001 111
8443 110
8333 97