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AS51598 Nehlsen AG | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

Nehlsen AG nehlsen.com

DE 3 Routes

AS Data

AS51598

AS51598 – Nehlsen AG

AS Number	51598
AS Name	AS-NEHLSEN
Organization	Nehlsen AG (org-na1283-ripe)
Country	DE
Website	nehlsen.com
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2021-04-09

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
193.22.23.0/24	AS51598	Nehlsen AG	Nehlsen AG	256
2a10:d040::/29	AS51598	Nehlsen AG	Nehlsen AG	~634×10²⁷
91.209.26.0/24	AS51598	Nehlsen AG	Nehlsen AG	256

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 '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 'AS51598'

% Abuse contact for 'AS51598' is 'abuse@nehlsen.com'

aut-num:        AS51598
as-name:        AS-NEHLSEN
org:            ORG-NA1283-RIPE
import:         from AS9145 accept ANY
import:         from AS3320 accept ANY
export:         to AS3320 announce AS51598
export:         to AS9145 announce AS51598
admin-c:        RA10445-RIPE
tech-c:         RA10445-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         NEHLSEN-MNT
created:        2021-04-09T11:28:18Z
last-modified:  2023-04-30T11:52:06Z
source:         RIPE

organisation:   ORG-NA1283-RIPE
org-name:       Nehlsen AG
org-type:       LIR
address:        Wilhelm-Karmann-Str. 5
address:        28237
address:        Bremen
address:        GERMANY
country:        DE
phone:          +49 421 84482-2000
admin-c:        RA10445-RIPE
tech-c:         RA10445-RIPE
abuse-c:        AR62850-RIPE
mnt-ref:        NEHLSEN-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         NEHLSEN-MNT
created:        2021-04-08T07:21:58Z
last-modified:  2021-08-18T08:34:03Z
source:         RIPE # Filtered

role:           Rechenzentrum
address:        Wilhelm-Karmann-Str. 5
address:        28237
address:        Bremen
address:        GERMANY
phone:          +49 421 84482-2000
nic-hdl:        RA10445-RIPE
mnt-by:         NEHLSEN-MNT
created:        2021-04-08T07:21:58Z
last-modified:  2021-04-08T07:21:58Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS51357 - AS51817",
    "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" : "2025-02-13",
    "date_updated" : "2025-02-13",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS51598",
    "as_name" : "AS-NEHLSEN",
    "status" : "ASSIGNED",
    "import" : [ "from AS9145 accept ANY", "from AS3320 accept ANY" ],
    "export" : [ "to AS3320 announce AS51598", "to AS9145 announce AS51598" ],
    "organization" : "ORG-NA1283-RIPE",
    "admin_contacts" : [ "RA10445-RIPE" ],
    "tech_contacts" : [ "RA10445-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "NEHLSEN-MNT" ],
    "date_created" : "2021-04-09",
    "date_updated" : "2023-04-30",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-NA1283-RIPE",
    "name" : "Nehlsen AG",
    "type" : "LIR",
    "address" : [ "Wilhelm-Karmann-Str. 5", "28237", "Bremen", "GERMANY" ],
    "street" : "Wilhelm-karmann-str.",
    "city" : "Bremen",
    "zip_code" : "28237",
    "country" : [ "DE" ],
    "phone" : [ "+49 421 84482-2000" ],
    "admin_contacts" : [ "RA10445-RIPE" ],
    "tech_contacts" : [ "RA10445-RIPE" ],
    "abuse_contacts" : [ "AR62850-RIPE" ],
    "mnt_ref" : [ "NEHLSEN-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "NEHLSEN-MNT" ],
    "date_created" : "2021-04-08",
    "date_updated" : "2021-08-18",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  },
  "administrative_contacts" : [ {
    "handle" : "RA10445-RIPE",
    "name" : "Rechenzentrum",
    "address" : [ "Wilhelm-Karmann-Str. 5", "28237", "Bremen", "GERMANY" ],
    "street" : "Wilhelm-karmann-str.",
    "city" : "Bremen",
    "zip_code" : "28237",
    "country" : "GERMANY",
    "phone" : [ "+49 421 84482-2000" ],
    "mnt_by" : [ "NEHLSEN-MNT" ],
    "date_created" : "2021-04-08",
    "date_updated" : "2021-04-08",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ],
  "technical_contacts" : [ {
    "handle" : "RA10445-RIPE",
    "name" : "Rechenzentrum",
    "address" : [ "Wilhelm-Karmann-Str. 5", "28237", "Bremen", "GERMANY" ],
    "street" : "Wilhelm-karmann-str.",
    "city" : "Bremen",
    "zip_code" : "28237",
    "country" : "GERMANY",
    "phone" : [ "+49 421 84482-2000" ],
    "mnt_by" : [ "NEHLSEN-MNT" ],
    "date_created" : "2021-04-08",
    "date_updated" : "2021-04-08",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ]
}

Peers

AS Number	Description	Country
AS3320	Deutsche Telekom AG	DE
AS9145	EWE TEL GmbH	DE

Upstreams

AS Number	Description	Country
AS9145	EWE TEL GmbH	DE

Frequently Asked Questions

What is ASN AS51598?

ASN AS51598 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51598?

AS51598 is listed under Nehlsen AG.

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.