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
42,667
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
1,868
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
84,308
226

Top Open Ports

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

Port Open IPs
2000 3,200
5060 3,042
443 1,270
80 1,131
22 671
25 383
1720 359
143 351
8080 336
110 303
21 299
53 149
8443 113
6001 109
1241 102