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AS51509 NEO IT d.o.o. | 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

NEO IT d.o.o. neo.si

SI 2 Routes

AS Data

AS51509

AS51509 – NEO IT d.o.o.

AS Number	51509
AS Name	NEO-AS
Organization	NEO IT d.o.o.(org-neo4-ripe)
Country	SI
Website	neo.si
Number of IPv4 Routes	1
Number of IPv6 Routes	1
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2010-09-14

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Use ASN data for AS51509 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
91.217.92.0/23	AS51509	NEO IT d.o.o.	NEO IT d.o.o.	512
2001:678:a88::/48	AS51509	NEO IT d.o.o.	NEO IT d.o.o.	~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 '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 'AS51509'

% Abuse contact for 'AS51509' is 'ripe@neo.si'

aut-num:        AS51509
as-name:        NEO-AS
org:            ORG-NEO4-RIPE
import:         from AS3212 accept ANY
import:         from AS44667 accept ANY
export:         to AS3212 announce AS51509
export:         to AS44667 announce AS51509
admin-c:        ROKR
tech-c:         ROKR
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-si-neoit-1
mnt-by:         mnt-si-cnrs-1
mnt-by:         ARIO-MNT
created:        2010-09-14T09:13:34Z
last-modified:  2024-09-28T22:18:01Z
source:         RIPE
sponsoring-org: ORG-Td4-RIPE

organisation:   ORG-NEO4-RIPE
org-name:       NEO IT d.o.o.
country:        SI
org-type:       OTHER
address:        Pekrska cesta 42, 2000 Maribor
abuse-c:        AC30465-RIPE
mnt-ref:        ARIO-MNT
mnt-by:         NEOIT-MNT
mnt-by:         ARIO-MNT
created:        2010-08-30T07:00:17Z
last-modified:  2022-12-01T16:39:07Z
source:         RIPE # Filtered

person:         Robert Krevh
address:        Pekrska cesta 42
phone:          +386 40 695543
nic-hdl:        ROKR
mnt-by:         mnt-si-neoit-1
created:        2019-10-17T18:36:56Z
last-modified:  2021-04-23T16:44:18Z
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" : "AS51509",
    "as_name" : "NEO-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS3212 accept ANY", "from AS44667 accept ANY" ],
    "export" : [ "to AS3212 announce AS51509", "to AS44667 announce AS51509" ],
    "organization" : "ORG-NEO4-RIPE",
    "sponsoring_organization" : "ORG-Td4-RIPE",
    "admin_contacts" : [ "ROKR" ],
    "tech_contacts" : [ "ROKR" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "mnt-si-neoit-1", "mnt-si-cnrs-1", "ARIO-MNT" ],
    "date_created" : "2010-09-14",
    "date_updated" : "2024-09-28",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-NEO4-RIPE",
    "name" : "NEO IT d.o.o.",
    "type" : "OTHER",
    "address" : [ "Pekrska cesta 42, 2000 Maribor" ],
    "street" : "Pekrska Cesta",
    "city" : "Maribor",
    "zip_code" : "2000",
    "country" : [ "SI" ],
    "abuse_contacts" : [ "AC30465-RIPE" ],
    "mnt_ref" : [ "ARIO-MNT" ],
    "mnt_by" : [ "NEOIT-MNT", "ARIO-MNT" ],
    "date_created" : "2010-08-30",
    "date_updated" : "2022-12-01",
    "source" : "RIPE"
  },
  "administrative_contacts" : [ {
    "handle" : "ROKR",
    "name" : "Robert Krevh",
    "address" : [ "Pekrska cesta 42" ],
    "street" : "Pekrska Cesta",
    "phone" : [ "+386 40 695543" ],
    "mnt_by" : [ "mnt-si-neoit-1" ],
    "date_created" : "2019-10-17",
    "date_updated" : "2021-04-23",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "ROKR",
    "name" : "Robert Krevh",
    "address" : [ "Pekrska cesta 42" ],
    "street" : "Pekrska Cesta",
    "phone" : [ "+386 40 695543" ],
    "mnt_by" : [ "mnt-si-neoit-1" ],
    "date_created" : "2019-10-17",
    "date_updated" : "2021-04-23",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS44667	Coneris d.o.o.	SI
AS3212	Telemach Slovenija d.o.o.	SI

Upstreams

AS Number	Description	Country
AS3212	Telemach Slovenija d.o.o.	SI

Frequently Asked Questions

What is ASN AS51509?

ASN AS51509 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51509?

AS51509 is listed under NEO IT d.o.o..

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.