ResearchRouting table, RPKI, IRR & looking glass

AS51396 Pfcloud UG (haftungsbeschrankt)

AS51396 (PFCLOUD) is registered to Pfcloud UG (haftungsbeschrankt) in DE, through RIPE. It originates 72 prefixes in the global routing table.

31
IPv4 prefixes
41
IPv6 prefixes
7,936
IPv4 addresses
94%
RPKI valid

Who holds AS51396

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS51396
Handle
PFCLOUD
Organization
Pfcloud UG (haftungsbeschrankt)
Country
DE
Registry
RIPE
ASPA
9 providers
WHOIS recordRIPE
% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS51357 - AS51817'

as-block:       AS51357 - AS51817
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2025-02-13T13:57:44Z
last-modified:  2025-02-13T13:57:44Z
source:         RIPE

% Information related to 'AS51396'

% Abuse contact for 'AS51396' is 'abuse@pfcloud.io'

aut-num:        AS51396
as-name:        PFCLOUD
descr:          Pfcloud UG
org:            ORG-PU41-RIPE
remarks:        This Autonomous System is used by the hosting provider pfcloud.io
remarks:        +--------------------------------------------------+
remarks:        | Outbound customer communities
remarks:        | 51396:30823 - Do not announce to Aurologic
remarks:        | 51396:35133 - Do not announce to Hybula
remarks:        | 51396:6939 - Do not announce to Hurricane Electric
remarks:        | 51396:62403 - Do not announce to PletX
remarks:        | 51396:9999 - Do not announce to IXPs
remarks:        | 51396:1333 - Prepend 3x to PletX
remarks:        | 51396:2333 - Prepend 3x to Hybula
remarks:        +--------------------------------------------------+
remarks:        | Ingress communities
remarks:        | 51396:1020 - Route received by downstream customer
remarks:        | 51396:1030 - Route received from transit
remarks:        | 51396:1040 - Route received from peer
remarks:        | 51396:1050 - Route received by IXP ERAIX Amsterdam
remarks:        | 51396:1060 - Route received by IXP ERAIX Frankfurt
remarks:        | 51396:1070 - Route received by IXP 1-IX
remarks:        | 51396:1101 - Route received by upstream PletX
remarks:        | 51396:1102 - Route received by upstream Hybula
remarks:        +--------------------------------------------------+
remarks:        /**************************** pfcloud.io ****************************
import:         from AS51396:AS-UPSTREAM accept ANY
export:         to AS51396:AS-UPSTREAM announce AS51396:AS-PFCLOUD
mp-import:      afi ipv6.unicast from AS51396:AS-UPSTREAM accept ANY;
mp-export:      afi ipv6.unicast to AS51396:AS-UPSTREAM announce AS51396:AS-PFCLOUD;
remarks:        *********************************************************************/
admin-c:        AA42303-RIPE
tech-c:         AA42303-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-de-pfcloud-2-MNT
created:        2023-12-08T13:49:14Z
last-modified:  2025-12-18T07:29:00Z
source:         RIPE

organisation:   ORG-PU41-RIPE
org-name:       Pfcloud UG (haftungsbeschrankt)
country:        DE
reg-nr:         District court Passau HRB 12249
org-type:       LIR
address:        Waning 1
address:        94136
address:        Thyrnau
address:        GERMANY
phone:          +4917640385000
admin-c:        AA42303-RIPE
tech-c:         AA42303-RIPE
abuse-c:        AA42303-RIPE
mnt-ref:        lir-de-pfcloud-2-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         lir-de-pfcloud-2-MNT
created:        2025-12-16T21:00:55Z
last-modified:  2026-06-17T07:08:06Z
source:         RIPE # Filtered

role:           Admin
address:        Waning 1, 94136 Thyrnau
remarks:        -------------------------------------------------------------------------------
remarks:        For all operational or administrative inquiries, please contact noc@pfcloud.io
remarks:        Do not send abuse reports to this address.
remarks:        -------------------------------------------------------------------------------
remarks:        Auskunftsersuchen / Information Requests should only be sent to the following email:
remarks:        kontakt@pfcloud.io
remarks:        -------------------------------------------------------------------------------
abuse-mailbox:  abuse@pfcloud.io
nic-hdl:        

What AS51396 announces

Prefixes originated by AS51396 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
31
IPv6 prefixes
41
IPv4 addresses
7,936 (31 /24s)
RPKI valid
68 94%
RPKI invalid
0
RPKI not found
4
ROAs naming AS51396
68
With an IRR route object
67 93%

Who AS51396 is reached through

The AS just before AS51396 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS51396 publishes an ASPA naming these providers. 4 ASes name it as a provider in theirs. Check a path.

The 4 ASes that name AS51396 as a provider

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.