Autonomous system
AS34309 LINK11 Link11 GmbH
Unclassified RIPE
Summary
Link11
security business transit germany
The AS handle LINK11 is held by Link11 GmbH, a European cybersecurity vendor specializing in DDoS protection and traffic management.
What it's used for
- The address space carries infrastructure for a security provider, with netnames such as
DE-LINK11-20050811andDE-LINK11-20041124registered to Link11 GmbH. - The AS announces 18944 IPv4 addresses across 15 prefixes and 9 IPv6 prefixes, while maintaining 158 observed neighbours; this ratio of moderate address space against a high neighbour count indicates a transit or peering-heavy role rather than a pure access network.
Notable
- Registrants for the majority of prefixes align with the announcer, listing Link11 GmbH Hostmaster and Link11 GmbH Abuse Mailbox, though one prefix (
52.128.20.0/24) is registered to Dosarrest Internet Security LTD under the netnameDISL4. - The address inventory is finely subdivided into multiple /20, /21, /23, and /24 blocks, reflecting an internal corporate estate segmented by site or service rather than a single contiguous allocation.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
Recorded at 9 exchanges in 7 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| DE-CIX Frankfurt | Frankfurt, Germany | 80.81.192.218 |
| LINX LON1 | London, United Kingdom | 195.66.224.107 |
| AMS-IX Amsterdam | Amsterdam, Netherlands | 80.249.209.111 |
| Equinix Internet Exchange Singapore | Singapore, Singapore | 27.111.229.156 |
| Equinix Internet Exchange Ashburn | Ashburn, United States | 206.126.237.110 |
| Any2 California | Los Angeles, United States | 206.72.211.184 |
| SwissIX | Zurich, Switzerland | 91.206.52.175 |
| Equinix Internet Exchange Hong Kong | Hong Kong, China | 2001:de8:7::3:4309:1 |
Transit providers
27 upstream, 53 downstream and 123 adjacent networks observed; most-used upstreams first.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-13, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 15 prefixes · 18.94K addresses IPv6 9 prefixes
| Country | Name | Prefixes |
|---|---|---|
| DE | Germany | 24 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS34309- Registry name
- LINK11
- Registrant
- LINK11-MNT
- Abuse contact
- abuse@link11.de
- Registered
- 2004-12-16
- Last changed
- 2026-10-06
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 13% valid · 2 valid, 14 with no ROA
- ROAs
- 30 authorising AS34309
- ASPA
- no ASPA record
- IRR
- 94% registered · 15 of 16 announcements 1 other origin
- Route objects
- 70 naming AS34309
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: 442 networks and 1,773 prefixes, as published 2026-10-13. 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