asn.dev

Autonomous system

AS209859 FESR-AS

Unclassified RIPE

IPv4 addresses 768 2 prefixes
IPv6 prefixes 6 counted as prefixes, not addresses
Countries 1 mostly DE
Exchanges 4 recorded by PCH
Upstreams 20 0 downstream
Flagged prefixes 0 none

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

Recorded at 4 exchanges in 3 countries, largest first.

ExchangeLocationTheir address
4b42 Internet Exchange PointZurich, Switzerland185.1.125.65
Neutral Internet ExchangeAmsterdam, Netherlands193.239.119.51
KleyReX Internet ExchangeFrankfurt, Germany193.189.83.73
Local Internet Exchange FrankfurtFrankfurt, Germany185.1.166.241

Transit providers

20 upstream, 0 downstream and 29 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS34872Sarah Rossius trading as Servperso Systems155
AS41108comtrance service GmbH130
AS6939Hurricane Electric LLC70
AS401753BIXCE Inc7
AS3333Reseaux IP Europeens Network Coordination Centre (RIPE NCC)6
AS17639Converge ICT Solutions Inc.6
AS24482SG.GS6
AS48185team.blue NV6

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-11, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 2 prefixes · 768 addresses IPv6 6 prefixes

CountryNamePrefixes
DEGermany8

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS209859
Registry name
FESR-AS
Registrant
FESR-MNT
Abuse contact
abuse@fesr.net
Registered
2018-11-20
Last changed
2023-09-17
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 10 valid, 0 with no ROA
ROAs
5 authorising AS209859
ASPA
no ASPA record
IRR
100% registered · 10 of 10 announcements
Route objects
25 naming AS209859

Reputation

Classification and threat

Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 431 networks and 1,768 prefixes, as published 2026-10-12. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check