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AS51858 Antoshchuk Yuriy Vasylyovych

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

Antoshchuk Yuriy Vasylyovych

UA 1 Routes

AS Data

AS51858

AS51858 – Antoshchuk Yuriy Vasylyovych

AS Number	51858
AS Name	AYV-AS
Organization	Antoshchuk Yuriy Vasylyovych (org-payv1-ripe)
Country	UA
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2010-11-17

ASN Intelligence API for production workflows

Use ASN data for AS51858 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
91.224.85.0/24	AS51858	Antoshchuk Yuriy Vasylyovych	Antoshchuk Yuriy Vasylyovych	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 'AS51857 - AS52209'

as-block:       AS51857 - AS52209
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:        2024-12-12T14:34:06Z
last-modified:  2024-12-12T14:34:06Z
source:         RIPE

% Information related to 'AS51858'

% Abuse contact for 'AS51858' is 'y.antoshchuk@gmail.com'

aut-num:        AS51858
as-name:        AYV-AS
org:            ORG-PAYV1-RIPE
import:         from AS3255 accept ANY
export:         to AS3255 announce AS51858
sponsoring-org: ORG-GL234-RIPE
admin-c:        YA58252-RIPE
tech-c:         YA58252-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ANTOSHCHUK-MNT
created:        2010-11-17T09:18:24Z
last-modified:  2026-05-05T09:28:46Z
source:         RIPE

organisation:   ORG-PAYV1-RIPE
org-name:       Antoshchuk Yuriy Vasylyovych
country:        UA
reg-nr:         Not Applicable
org-type:       OTHER
address:        58000, Ukraine, Chernivtsi, 9 Vavilova str.
admin-c:        YA58252-RIPE
abuse-c:        ACRO64272-RIPE
mnt-ref:        ANTOSHCHUK-MNT
created:        2026-04-15T16:02:52Z
last-modified:  2026-05-13T06:42:28Z
source:         RIPE # Filtered
mnt-by:         ANTOSHCHUK-MNT

person:         Yuriy Antoshchuk
address:        58000, Ukraine, Chernivtsi, 9 Vavilova str.
phone:          +380673416129
nic-hdl:        YA58252-RIPE
mnt-by:         ANTOSHCHUK-MNT
created:        2026-04-15T15:47:44Z
last-modified:  2026-05-02T06:27:51Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS51857 - AS52209",
    "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" : "2024-12-12",
    "date_updated" : "2024-12-12",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS51858",
    "as_name" : "AYV-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS3255 accept ANY" ],
    "export" : [ "to AS3255 announce AS51858" ],
    "organization" : "ORG-PAYV1-RIPE",
    "sponsoring_organization" : "ORG-GL234-RIPE",
    "admin_contacts" : [ "YA58252-RIPE" ],
    "tech_contacts" : [ "YA58252-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "ANTOSHCHUK-MNT" ],
    "date_created" : "2010-11-17",
    "date_updated" : "2026-05-05",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-PAYV1-RIPE",
    "name" : "Antoshchuk Yuriy Vasylyovych",
    "type" : "OTHER",
    "address" : [ "58000, Ukraine, Chernivtsi, 9 Vavilova str." ],
    "street" : "Vavilova Str.",
    "city" : "Chernivtsi",
    "zip_code" : "58000",
    "country" : [ "UA" ],
    "admin_contacts" : [ "YA58252-RIPE" ],
    "abuse_contacts" : [ "ACRO64272-RIPE" ],
    "mnt_ref" : [ "ANTOSHCHUK-MNT" ],
    "mnt_by" : [ "ANTOSHCHUK-MNT" ],
    "date_created" : "2026-04-15",
    "date_updated" : "2026-05-13",
    "source" : "RIPE",
    "addressCountry" : "UKRAINE"
  },
  "administrative_contacts" : [ {
    "handle" : "YA58252-RIPE",
    "name" : "Yuriy Antoshchuk",
    "address" : [ "58000, Ukraine, Chernivtsi, 9 Vavilova str." ],
    "street" : "Vavilova Str.",
    "city" : "Chernivtsi",
    "zip_code" : "58000",
    "country" : "UKRAINE",
    "phone" : [ "+380673416129" ],
    "mnt_by" : [ "ANTOSHCHUK-MNT" ],
    "date_created" : "2026-04-15",
    "date_updated" : "2026-05-02",
    "source" : "RIPE",
    "addressCountry" : "UKRAINE"
  } ],
  "technical_contacts" : [ {
    "handle" : "YA58252-RIPE",
    "name" : "Yuriy Antoshchuk",
    "address" : [ "58000, Ukraine, Chernivtsi, 9 Vavilova str." ],
    "street" : "Vavilova Str.",
    "city" : "Chernivtsi",
    "zip_code" : "58000",
    "country" : "UKRAINE",
    "phone" : [ "+380673416129" ],
    "mnt_by" : [ "ANTOSHCHUK-MNT" ],
    "date_created" : "2026-04-15",
    "date_updated" : "2026-05-02",
    "source" : "RIPE",
    "addressCountry" : "UKRAINE"
  } ]
}

Peers

AS Number	Description	Country
AS3255	LLC EKSINTECH	UA

Upstreams

AS Number	Description	Country
AS3255	LLC EKSINTECH	UA

Frequently Asked Questions

What is ASN AS51858?

ASN AS51858 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51858?

AS51858 is listed under Antoshchuk Yuriy Vasylyovych.

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.