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
43,156
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
1,328
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
84,810
226

Top Open Ports

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

Port Open IPs
2000 3,068
5060 2,823
443 1,196
80 1,078
22 638
25 363
1720 357
143 342
8080 318
21 289
110 280
53 145
6001 111
8443 110
8333 95