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
46,924
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
1,880
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
89,033
235

Top Open Ports

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

Port Open IPs
2000 4,785
5060 3,912
443 1,748
80 1,621
22 916
25 541
1720 499
143 473
110 473
8080 470
21 454
53 198
8443 147
5902 143
3457 127