ASN AS15504 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS15504?

AS15504 is listed under Tiebreak Solutions Ltd..

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?

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AS15504 Tiebreak Solutions Ltd.

ASN Lookup Tool

Tiebreak Solutions Ltd. tiebreak.dev

CY 4 Routes

AS Data

AS15504

AS15504 – Tiebreak Solutions Ltd.

AS Number	15504
AS Name	AS-TIEBREAK-SOLUTIONS
Organization	Tiebreak Solutions Ltd. (org-tsl82-ripe)
Country	CY
Website	tiebreak.dev
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2009-08-20

ASN Intelligence API for production workflows

Use ASN data for AS15504 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
87.121.107.0/24	AS15504	Tiebreak Solutions Ltd.	Tiebreak Solutions Ltd.	256
87.121.106.0/24	AS15504	Tiebreak Solutions Ltd.	Tiebreak Solutions Ltd.	256
91.213.152.0/24	AS15504	Tiebreak Solutions Ltd.	Tiebreak Solutions Ltd.	256
93.123.19.0/24	AS15504	Tiebreak Solutions Ltd.	Tiebreak Solutions Ltd.	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 'AS15476 - AS15705'

as-block:       AS15476 - AS15705
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:        2018-11-22T15:27:25Z
last-modified:  2018-11-22T15:27:25Z
source:         RIPE

% Information related to 'AS15504'

% Abuse contact for 'AS15504' is 'nwteam@tiebreak.dev'

aut-num:        AS15504
as-name:        AS-TIEBREAK-SOLUTIONS
org:            ORG-TSL82-RIPE
remarks:        ****************************
remarks:        **** Upstream providers ****
remarks:        ****************************
remarks:        --- AS15830 (Equinix) ---
import:         from AS15830 accept any
export:         to AS15830 announce AS15504
mp-import:      afi any.unicast from AS15830 accept ANY
mp-export:      afi any.unicast to AS15830 announce AS15504
remarks:        --- AS47973 (Digital Realty) ---
import:         from AS47973 accept any
export:         to AS47973 announce AS15504
remarks:        --- AS6461 (Zayo) ---
import:         from AS6461 accept any
export:         to AS6461 announce AS15504
mp-import:      afi ipv6.unicast from AS6461 accept ANY
mp-export:      afi ipv6.unicast to AS6461 announce AS15504
remarks:        --- AS34224 (Neterra) ---
import:         from AS34224 accept ANY
export:         to AS34224 announce AS15504
mp-import:      afi ipv6.unicast from AS34224 accept ANY
mp-export:      afi ipv6.unicast to AS34224 announce AS15504
remarks:        --- AS41313 (Novatel) ---
import:         from AS41313 accept ANY
export:         to AS41313 announce AS15504
mp-import:      afi ipv6.unicast from AS41313 accept ANY
mp-export:      afi ipv6.unicast to AS41313 announce AS15504
remarks:        --- AS8717 (A1 BG) ---
import:         from AS8717 accept ANY
export:         to AS8717 announce AS15504
mp-import:      afi ipv6.unicast from AS8717 accept ANY
mp-export:      afi ipv6.unicast to AS8717 announce AS15504
remarks:        ****************************
admin-c:        NTN13-RIPE
admin-c:        TSN48-RIPE
tech-c:         NTN13-RIPE
tech-c:         TSN48-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         TIEBREAK-MNT
created:        2009-08-20T10:56:12Z
last-modified:  2026-08-04T09:02:40Z
source:         RIPE # Filtered
sponsoring-org: ORG-NL38-RIPE

organisation:   ORG-TSL82-RIPE
org-name:       Tiebreak Solutions Ltd.
org-type:       OTHER
address:        Charalampou Mouskou 14, Artemisia Business Centre, Floor 1, Flat/Office 101
address:        Strovolos, 2014 Lefkosia, Cyprus
country:        CY
reg-nr:         HE368029
abuse-c:        TSAC12-RIPE
phone:          +359894626032
mnt-ref:        TIEBREAK-MNT
mnt-ref:        MNT-NETERRA
created:        2026-07-24T08:43:52Z
last-modified:  2026-08-04T08:59:06Z
source:         RIPE # Filtered
mnt-by:         TIEBREAK-MNT

role:           Naxex Technological Development NOC
address:        Nikola Tesla 3, building BSR1, floor 7
address:        1574 Sofia, Bulgaria
admin-c:        IS5009-RIPE
admin-c:        SC23660-RIPE
tech-c:         IS5009-RIPE
tech-c:         SC23660-RIPE
phone:          +35924940340
nic-hdl:        NTN13-RIPE
mnt-by:         MNT-NAXEX
created:        2018-07-24T12:08:15Z
last-modified:  2022-09-15T14:26:18Z
source:         RIPE # Filtered

role:           Tiebreak Solutions NOC
address:        Nikola Tesla 3, building BSR1, floor 7
address:        1574 Sofia, Bulgaria
admin-c:        IS5009-RIPE
tech-c:         IS5009-RIPE
tech-c:         KK9526-RIPE
nic-hdl:        TSN48-RIPE
mnt-by:         TIEBREAK-MNT
created:        2026-03-12T15:53:40Z
last-modified:  2026-03-12T16:22:30Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.123 (ABERDEEN)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS15476 - AS15705",
    "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" : "2018-11-22",
    "date_updated" : "2018-11-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS15504",
    "as_name" : "AS-TIEBREAK-SOLUTIONS",
    "status" : "ASSIGNED",
    "import" : [ "from AS15830 accept any", "from AS47973 accept any", "from AS6461 accept any", "from AS34224 accept ANY", "from AS41313 accept ANY", "from AS8717 accept ANY" ],
    "mp_import" : [ "afi any.unicast from AS15830 accept ANY", "afi ipv6.unicast from AS6461 accept ANY", "afi ipv6.unicast from AS34224 accept ANY", "afi ipv6.unicast from AS41313 accept ANY", "afi ipv6.unicast from AS8717 accept ANY" ],
    "export" : [ "to AS15830 announce AS15504", "to AS47973 announce AS15504", "to AS6461 announce AS15504", "to AS34224 announce AS15504", "to AS41313 announce AS15504", "to AS8717 announce AS15504" ],
    "mp_export" : [ "afi any.unicast to AS15830 announce AS15504", "afi ipv6.unicast to AS6461 announce AS15504", "afi ipv6.unicast to AS34224 announce AS15504", "afi ipv6.unicast to AS41313 announce AS15504", "afi ipv6.unicast to AS8717 announce AS15504" ],
    "organization" : "ORG-TSL82-RIPE",
    "sponsoring_organization" : "ORG-NL38-RIPE",
    "admin_contacts" : [ "NTN13-RIPE", "TSN48-RIPE" ],
    "tech_contacts" : [ "NTN13-RIPE", "TSN48-RIPE" ],
    "remarks" : [ "****************************", "**** Upstream providers ****", "****************************", "--- AS15830 (Equinix) ---", "--- AS47973 (Digital Realty) ---", "--- AS6461 (Zayo) ---", "--- AS34224 (Neterra) ---", "--- AS41313 (Novatel) ---", "--- AS8717 (A1 BG) ---", "****************************" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "TIEBREAK-MNT" ],
    "date_created" : "2009-08-20",
    "date_updated" : "2026-08-04",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-TSL82-RIPE",
    "name" : "Tiebreak Solutions Ltd.",
    "type" : "OTHER",
    "address" : [ "Charalampou Mouskou 14, Artemisia Business Centre, Floor 1, Flat/Office 101", "Strovolos, 2014 Lefkosia, Cyprus" ],
    "street" : "Charalampou Mouskou",
    "city" : "Lefkosia",
    "zip_code" : "2014",
    "country" : [ "CY" ],
    "phone" : [ "+359894626032" ],
    "abuse_contacts" : [ "TSAC12-RIPE" ],
    "mnt_ref" : [ "TIEBREAK-MNT", "MNT-NETERRA" ],
    "mnt_by" : [ "TIEBREAK-MNT" ],
    "date_created" : "2026-07-24",
    "date_updated" : "2026-08-04",
    "source" : "RIPE",
    "addressCountry" : "CYPRUS"
  },
  "administrative_contacts" : [ {
    "handle" : "NTN13-RIPE",
    "name" : "Naxex Technological Development NOC",
    "address" : [ "Nikola Tesla 3, building BSR1, floor 7", "1574 Sofia, Bulgaria" ],
    "city" : "Sofia",
    "zip_code" : "1574",
    "country" : "BULGARIA",
    "phone" : [ "+35924940340" ],
    "admin_contacts" : [ "IS5009-RIPE", "SC23660-RIPE" ],
    "tech_contacts" : [ "IS5009-RIPE", "SC23660-RIPE" ],
    "mnt_by" : [ "MNT-NAXEX" ],
    "date_created" : "2018-07-24",
    "date_updated" : "2022-09-15",
    "source" : "RIPE",
    "addressCountry" : "BULGARIA"
  }, {
    "handle" : "TSN48-RIPE",
    "name" : "Tiebreak Solutions NOC",
    "address" : [ "Nikola Tesla 3, building BSR1, floor 7", "1574 Sofia, Bulgaria" ],
    "city" : "Sofia",
    "zip_code" : "1574",
    "country" : "BULGARIA",
    "admin_contacts" : [ "IS5009-RIPE" ],
    "tech_contacts" : [ "IS5009-RIPE", "KK9526-RIPE" ],
    "mnt_by" : [ "TIEBREAK-MNT" ],
    "date_created" : "2026-03-12",
    "date_updated" : "2026-03-12",
    "source" : "RIPE",
    "addressCountry" : "BULGARIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "NTN13-RIPE",
    "name" : "Naxex Technological Development NOC",
    "address" : [ "Nikola Tesla 3, building BSR1, floor 7", "1574 Sofia, Bulgaria" ],
    "city" : "Sofia",
    "zip_code" : "1574",
    "country" : "BULGARIA",
    "phone" : [ "+35924940340" ],
    "admin_contacts" : [ "IS5009-RIPE", "SC23660-RIPE" ],
    "tech_contacts" : [ "IS5009-RIPE", "SC23660-RIPE" ],
    "mnt_by" : [ "MNT-NAXEX" ],
    "date_created" : "2018-07-24",
    "date_updated" : "2022-09-15",
    "source" : "RIPE",
    "addressCountry" : "BULGARIA"
  }, {
    "handle" : "TSN48-RIPE",
    "name" : "Tiebreak Solutions NOC",
    "address" : [ "Nikola Tesla 3, building BSR1, floor 7", "1574 Sofia, Bulgaria" ],
    "city" : "Sofia",
    "zip_code" : "1574",
    "country" : "BULGARIA",
    "admin_contacts" : [ "IS5009-RIPE" ],
    "tech_contacts" : [ "IS5009-RIPE", "KK9526-RIPE" ],
    "mnt_by" : [ "TIEBREAK-MNT" ],
    "date_created" : "2026-03-12",
    "date_updated" : "2026-03-12",
    "source" : "RIPE",
    "addressCountry" : "BULGARIA"
  } ]
}

Peers

AS Number	Description	Country
AS34224	Neterra Ltd.	BG
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS8717	A1 Bulgaria EAD	BG
AS41313	NOVATEL EOOD	BG
AS47973	Digital Realty Netherlands B.V.	NL
AS6461	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS34224	Neterra Ltd.	BG
AS8717	A1 Bulgaria EAD	BG
AS6461	Zayo Bandwidth	US