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
46,011
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
2,153
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
87,591
232

Top Open Ports

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

Port Open IPs
2000 4,036
5060 3,383
443 1,510
80 1,409
22 803
25 465
1720 441
143 426
8080 402
110 386
21 376
53 183
8443 134
6001 123
8333 117