ASN AS42378 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS42378?

AS42378 is listed under Rundfunk und Telekom Regulierungs GmbH.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS42378 Rundfunk und Telekom Regulierungs GmbH

ASN Lookup Tool

Rundfunk und Telekom Regulierungs GmbH nextlayer.at

AT 3 Routes

AS Data

AS42378

AS42378 – Rundfunk und Telekom Regulierungs GmbH

AS Number	42378
AS Name	RTR-AS
Organization	Rundfunk und Telekom Regulierungs GmbH (org-rutr1-ripe)
Country	AT
Website	nextlayer.at
Number of IPv4 Routes	1
Number of IPv6 Routes	2
ASN type	GOVERNMENT
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2007-02-12

ASN Intelligence API for production workflows

Use ASN data for AS42378 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
81.16.157.0/24	AS42378	Rundfunk und Telekom Regulierungs GmbH	Next Layer Telekommunikationsdienstleistungs und Beratungs GmbH	256
2a01:190:15fd::/48	AS42378	Rundfunk und Telekom Regulierungs GmbH	Next Layer Telekommunikationsdienstleistungs und Beratungs GmbH	~1×10²⁴
2a01:190:15fe::/48	AS42378	Rundfunk und Telekom Regulierungs GmbH	Next Layer Telekommunikationsdienstleistungs und Beratungs GmbH	~1×10²⁴

Raw Whois Response

% 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 'AS42173 - AS42381'

as-block:       AS42173 - AS42381
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:        2024-07-22T14:14:32Z
last-modified:  2024-07-22T14:14:32Z
source:         RIPE

% Information related to 'AS42378'

% Abuse contact for 'AS42378' is 'abuse@nextlayer.at'

aut-num:        AS42378
as-name:        RTR-AS
org:            ORG-RuTR1-RIPE
import:         from AS1764 accept ANY
import:         from AS8412 accept ANY
export:         to AS1764 announce AS42378
export:         to AS8412 announce AS42378
mp-import:      afi ipv6.unicast from AS1764 accept ANY
mp-export:      afi ipv6.unicast to AS1764 announce AS42378
mp-import:      afi ipv6.unicast from AS8412 accept ANY
mp-export:      afi ipv6.unicast to AS8412 announce AS42378
admin-c:        RTRA-RIPE
tech-c:         NLTC1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         RTR-MNT
created:        2007-02-12T16:33:13Z
last-modified:  2023-03-10T15:09:27Z
source:         RIPE # Filtered
sponsoring-org: ORG-NLTU1-RIPE

organisation:   ORG-RuTR1-RIPE
org-name:       Rundfunk und Telekom Regulierungs-GmbH
country:        AT
org-type:       OTHER
address:        A-1060 Vienna, Mariahilferstrasse 77-79
abuse-c:        AR23907-RIPE
mnt-ref:        AS1764-MNT
mnt-by:         RTR-MNT
created:        2007-02-09T13:44:44Z
last-modified:  2022-12-01T17:24:44Z
source:         RIPE # Filtered

role:           TAC Next Layer
address:        Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
address:        Mariahilfer Guertel 37/7
address:        1150 Vienna
address:        Austria
phone:          +43 5 1764 110
fax-no:         +43 5 1764 900
org:            ORG-NLTU1-RIPE
admin-c:        RA773-RIPE
admin-c:        CG46
tech-c:         RA773-RIPE
tech-c:         CG46
tech-c:         SOS-RIPE
tech-c:         MD13304-RIPE
tech-c:         DSTR-RIPE
tech-c:         YELL-RIPE
tech-c:         PAKL-RIPE
nic-hdl:        NLTC1-RIPE
abuse-mailbox:  abuse@nextlayer.at
mnt-by:         NEXTLAYER-MNT
mnt-by:         AS1764-MNT
created:        2005-07-21T17:18:51Z
last-modified:  2025-03-11T10:32:52Z
source:         RIPE # Filtered

role:           RTR Admin
address:        A-1060 Vienna, Mariahilferstrasze 77-79
mnt-by:         RTR-MNT
admin-c:        PEVO-RIPE
tech-c:         PEVO-RIPE
nic-hdl:        RTRA-RIPE
created:        2007-02-09T13:32:47Z
last-modified:  2007-02-12T17:24:11Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (DEXTER)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS42173 - AS42381",
    "description" : [ "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" ],
    "date_created" : "2024-07-22",
    "date_updated" : "2024-07-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS42378",
    "as_name" : "RTR-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS1764 accept ANY", "from AS8412 accept ANY" ],
    "mp_import" : [ "afi ipv6.unicast from AS1764 accept ANY", "afi ipv6.unicast from AS8412 accept ANY" ],
    "export" : [ "to AS1764 announce AS42378", "to AS8412 announce AS42378" ],
    "mp_export" : [ "afi ipv6.unicast to AS1764 announce AS42378", "afi ipv6.unicast to AS8412 announce AS42378" ],
    "organization" : "ORG-RuTR1-RIPE",
    "sponsoring_organization" : "ORG-NLTU1-RIPE",
    "admin_contacts" : [ "RTRA-RIPE" ],
    "tech_contacts" : [ "NLTC1-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "RTR-MNT" ],
    "date_created" : "2007-02-12",
    "date_updated" : "2023-03-10",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-RuTR1-RIPE",
    "name" : "Rundfunk und Telekom Regulierungs-GmbH",
    "type" : "OTHER",
    "address" : [ "A-1060 Vienna, Mariahilferstrasse 77-79" ],
    "street" : "Mariahilferstrasse",
    "city" : "Vienna",
    "zip_code" : "A-1060",
    "country" : [ "AT" ],
    "abuse_contacts" : [ "AR23907-RIPE" ],
    "mnt_ref" : [ "AS1764-MNT" ],
    "mnt_by" : [ "RTR-MNT" ],
    "date_created" : "2007-02-09",
    "date_updated" : "2022-12-01",
    "source" : "RIPE"
  },
  "administrative_contacts" : [ {
    "handle" : "RTRA-RIPE",
    "name" : "RTR Admin",
    "address" : [ "A-1060 Vienna, Mariahilferstrasze 77-79" ],
    "street" : "Mariahilferstrasze",
    "city" : "Vienna",
    "zip_code" : "A-1060",
    "admin_contacts" : [ "PEVO-RIPE" ],
    "tech_contacts" : [ "PEVO-RIPE" ],
    "mnt_by" : [ "RTR-MNT" ],
    "date_created" : "2007-02-09",
    "date_updated" : "2007-02-12",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "NLTC1-RIPE",
    "name" : "TAC Next Layer",
    "address" : [ "Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH", "Mariahilfer Guertel 37/7", "1150 Vienna", "Austria" ],
    "street" : "Mariahilfer Guertel",
    "city" : "Vienna",
    "zip_code" : "1150",
    "country" : "AUSTRIA",
    "abuse_mailbox" : [ "abuse@nextlayer.at" ],
    "phone" : [ "+43 5 1764 110" ],
    "fax_no" : [ "+43 5 1764 900" ],
    "organizations" : [ "ORG-NLTU1-RIPE" ],
    "admin_contacts" : [ "RA773-RIPE", "CG46" ],
    "tech_contacts" : [ "RA773-RIPE", "CG46", "SOS-RIPE", "MD13304-RIPE", "DSTR-RIPE", "YELL-RIPE", "PAKL-RIPE" ],
    "mnt_by" : [ "NEXTLAYER-MNT", "AS1764-MNT" ],
    "date_created" : "2005-07-21",
    "date_updated" : "2025-03-11",
    "source" : "RIPE",
    "addressCountry" : "AUSTRIA"
  } ]
}

Peers

AS Number	Description	Country
AS8412	Magenta Telekom	AT
AS1764	Next Layer Telekommunikationsdienstleistungs und Beratungs GmbH	AT
AS6720	Magistrat der Stadt Wien, Magistratsabteilung 01	AT
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	AT
AS8412	T-Mobile Austria GmbH	AT

Upstreams

AS Number	Description	Country
AS8412	Magenta Telekom	AT
AS1764	Next Layer Telekommunikationsdienstleistungs und Beratungs GmbH	AT