ASN AS35141 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS35141?

AS35141 is listed under A1 Bulgaria EAD.

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.

AS35141 A1 Bulgaria EAD | IPGeolocation.io

A1 Bulgaria EAD a1.bg

BG 361 Routes

AS Data

AS35141

AS35141 – A1 Bulgaria EAD

AS Number	35141
AS Name	A1BG_RSS
Organization	A1 Bulgaria EAD (org-mn1-ripe)
Country	BG
Website	a1.bg
Number of IPv4 Routes	361
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2005-06-09

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Use ASN data for AS35141 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
95.111.32.0/23	AS35141	A1 Bulgaria EAD	Nikem Net	512
46.238.61.0/24	AS35141	A1 Bulgaria EAD	Megalan Network Ltd.	256
95.111.72.0/24	AS35141	A1 Bulgaria EAD	Ovcha Kupel 2 quarter	256
151.251.120.0/24	AS35141	A1 Bulgaria EAD	A1 Bulgaria EAD	256
78.90.16.0/24	AS35141	A1 Bulgaria EAD	Dianabad	256
95.111.24.0/24	AS35141	A1 Bulgaria EAD	Tolstoi quarter	256
78.90.120.0/22	AS35141	A1 Bulgaria EAD	INFRA AW	1024
78.90.32.0/23	AS35141	A1 Bulgaria EAD	Liulin 1	512
78.90.163.0/24	AS35141	A1 Bulgaria EAD	A1 Bulgaria EAD	256
78.90.75.0/24	AS35141	A1 Bulgaria EAD	Liulin 1	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 'AS35009 - AS35250'

as-block:       AS35009 - AS35250
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:        2024-05-01T14:06:15Z
last-modified:  2024-05-01T14:06:15Z
source:         RIPE

% Information related to 'AS35141'

% Abuse contact for 'AS35141' is 'RIPE.Abuse@a1.bg'

aut-num:        AS35141
as-name:        A1BG_RSS
org:            ORG-MN1-RIPE
remarks:        # UPSTREAM
remarks:        UPSTREAM - FOBUL
import:         from AS42459 accept ANY
export:         to AS42459 announce AS-MEGALAN AS20911 AS31296 AS29343
remarks:        UPSTREAM - INVITEL
import:         from AS12301 accept ANY
export:         to AS12301 announce AS-MEGALAN AS20911 AS31296 AS29343
remarks:        UPSTREAM - SPNET
import:         from AS8717 accept ANY
export:         to AS8717 announce AS-MEGALAN AS20911 AS31296
remarks:        # BG PEERING
remarks:        -- local exchange --
import:         from AS39505 accept ANY
export:         to AS39505 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS42555 accept ANY
export:         to AS42555 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS42295 accept ANY
export:         to AS42295 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS8877 accept ANY
export:         to AS8877 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS9127 accept ANY
export:         to AS9127 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS31250 accept ANY
export:         to AS31250 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS8717 accept ANY
export:         to AS8717 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS48452 accept ANY
export:         to AS48452 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS44028 accept ANY
export:         to AS44028 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS42735 accept ANY
export:         to AS42735 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS20911 accept ANY
export:         to AS20911 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS42431 accept ANY
export:         to AS42431 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS42242 accept ANY
export:         to AS42242 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS41782 accept ANY
export:         to AS41782 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS28898 accept ANY
export:         to AS28898 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS31296 accept ANY
export:         to AS31296 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS24750 accept ANY
export:         to AS24750 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS8390 accept ANY
export:         to AS8390 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
remarks:        -- full bg peering --
import:         from AS9070 accept ANY
export:         to AS9070 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS8866 accept ANY
export:         to AS8866 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
import:         from AS13124 accept ANY
export:         to AS13124 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
remarks:        UPSTREAM - NOVATEL
import:         from AS41313 accept ANY
export:         to AS41313 announce AS-MEGALAN AS20911 AS31296 AS29343
import:         from AS8717 accept ANY
export:         to AS8717 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028
admin-c:        MTC41-RIPE
tech-c:         MTC41-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-MEGALAN
created:        2005-06-09T15:04:05Z
last-modified:  2023-09-14T13:51:27Z
source:         RIPE # Filtered

organisation:   ORG-MN1-RIPE
org-name:       A1 Bulgaria EAD
country:        BG
org-type:       LIR
address:        1 Kukush Str.
address:        1309
address:        Sofia
address:        BULGARIA
phone:          +359 884900098
fax-no:         +359 88 110 3970
abuse-c:        AR14215-RIPE
admin-c:        GL12267-RIPE
mnt-ref:        AS12716-MNT
mnt-ref:        SPNET-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS12716-MNT
created:        2004-04-17T11:01:14Z
last-modified:  2022-08-19T07:24:27Z
source:         RIPE # Filtered

role:           A1 Bulgaria EAD Registry
address:        A1 Bulgaria EAD
address:        1, Kukush str. 1309
address:        Sofia
address:        Bulgaria
remarks:
remarks:        ================================
remarks:        BGP Routing PROBLEMS
remarks:        ================================
remarks:        In case of any routing problems,
remarks:        please send a mail to registry contact.
remarks:
remarks:        lir@a1.bg
remarks:
remarks:        ================================
remarks:        ABUSE ISSUES
remarks:        ================================
remarks:        In case of abuse (intrusion attempts, hacking,
remarks:        spamming or other unaccepted behavior) from
remarks:        A1 BG address space, please mail only to:
remarks:        abuse-mailbox. Notifications sent to other
remarks:        mailboxes will be left without any action.
remarks:
abuse-mailbox:  RIPE.Abuse@a1.bg
admin-c:        AK14936-RIPE
admin-c:        GL12267-RIPE
tech-c:         AK14936-RIPE
tech-c:         GL12267-RIPE
nic-hdl:        MTC41-RIPE
mnt-by:         SPNET-MNT
mnt-by:         AS12716-MNT
created:        2007-10-19T08:49:15Z
last-modified:  2022-08-24T13:02:55Z
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" : "AS35009 - AS35250",
    "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" : "2024-05-01",
    "date_updated" : "2024-05-01",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS35141",
    "as_name" : "A1BG_RSS",
    "status" : "ASSIGNED",
    "import" : [ "from AS42459 accept ANY", "from AS12301 accept ANY", "from AS8717 accept ANY", "from AS39505 accept ANY", "from AS42555 accept ANY", "from AS42295 accept ANY", "from AS8877 accept ANY", "from AS9127 accept ANY", "from AS31250 accept ANY", "from AS8717 accept ANY", "from AS48452 accept ANY", "from AS44028 accept ANY", "from AS42735 accept ANY", "from AS20911 accept ANY", "from AS42431 accept ANY", "from AS42242 accept ANY", "from AS41782 accept ANY", "from AS28898 accept ANY", "from AS31296 accept ANY", "from AS24750 accept ANY", "from AS8390 accept ANY", "from AS9070 accept ANY", "from AS8866 accept ANY", "from AS13124 accept ANY", "from AS41313 accept ANY", "from AS8717 accept ANY" ],
    "export" : [ "to AS42459 announce AS-MEGALAN AS20911 AS31296 AS29343", "to AS12301 announce AS-MEGALAN AS20911 AS31296 AS29343", "to AS8717 announce AS-MEGALAN AS20911 AS31296", "to AS39505 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS42555 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS42295 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS8877 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS9127 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS31250 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS8717 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS48452 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS44028 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS42735 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS20911 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS42431 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS42242 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS41782 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS28898 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS31296 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS24750 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS8390 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS9070 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS8866 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS13124 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028", "to AS41313 announce AS-MEGALAN AS20911 AS31296 AS29343", "to AS8717 announce AS-MEGALAN AS20911 AS31296 AS29343 AS44028" ],
    "organization" : "ORG-MN1-RIPE",
    "admin_contacts" : [ "MTC41-RIPE" ],
    "tech_contacts" : [ "MTC41-RIPE" ],
    "remarks" : [ "# UPSTREAM", "UPSTREAM - FOBUL", "UPSTREAM - INVITEL", "UPSTREAM - SPNET", "# BG PEERING", "-- local exchange --", "-- full bg peering --", "UPSTREAM - NOVATEL" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MNT-MEGALAN" ],
    "date_created" : "2005-06-09",
    "date_updated" : "2023-09-14",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-MN1-RIPE",
    "name" : "A1 Bulgaria EAD",
    "type" : "LIR",
    "address" : [ "1 Kukush Str.", "1309", "Sofia", "BULGARIA" ],
    "street" : "Kukush Str.",
    "city" : "Sofia",
    "zip_code" : "1309",
    "country" : [ "BG" ],
    "phone" : [ "+359 884900098" ],
    "fax_no" : [ "+359 88 110 3970" ],
    "admin_contacts" : [ "GL12267-RIPE" ],
    "abuse_contacts" : [ "AR14215-RIPE" ],
    "mnt_ref" : [ "AS12716-MNT", "SPNET-MNT", "RIPE-NCC-HM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "AS12716-MNT" ],
    "date_created" : "2004-04-17",
    "date_updated" : "2022-08-19",
    "source" : "RIPE",
    "addressCountry" : "BULGARIA"
  },
  "administrative_contacts" : [ {
    "handle" : "MTC41-RIPE",
    "name" : "A1 Bulgaria EAD Registry",
    "address" : [ "A1 Bulgaria EAD", "1, Kukush str. 1309", "Sofia", "Bulgaria" ],
    "street" : "Kukush Str.",
    "city" : "Sofia",
    "zip_code" : "1309",
    "country" : "BULGARIA",
    "abuse_mailbox" : [ "RIPE.Abuse@a1.bg" ],
    "admin_contacts" : [ "AK14936-RIPE", "GL12267-RIPE" ],
    "tech_contacts" : [ "AK14936-RIPE", "GL12267-RIPE" ],
    "remarks" : [ "================================", "BGP Routing PROBLEMS", "================================", "In case of any routing problems,", "please send a mail to registry contact.", "lir@a1.bg", "================================", "ABUSE ISSUES", "================================", "In case of abuse (intrusion attempts, hacking,", "spamming or other unaccepted behavior) from", "A1 BG address space, please mail only to:", "abuse-mailbox. Notifications sent to other", "mailboxes will be left without any action." ],
    "mnt_by" : [ "SPNET-MNT", "AS12716-MNT" ],
    "date_created" : "2007-10-19",
    "date_updated" : "2022-08-24",
    "source" : "RIPE",
    "addressCountry" : "BULGARIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "MTC41-RIPE",
    "name" : "A1 Bulgaria EAD Registry",
    "address" : [ "A1 Bulgaria EAD", "1, Kukush str. 1309", "Sofia", "Bulgaria" ],
    "street" : "Kukush Str.",
    "city" : "Sofia",
    "zip_code" : "1309",
    "country" : "BULGARIA",
    "abuse_mailbox" : [ "RIPE.Abuse@a1.bg" ],
    "admin_contacts" : [ "AK14936-RIPE", "GL12267-RIPE" ],
    "tech_contacts" : [ "AK14936-RIPE", "GL12267-RIPE" ],
    "remarks" : [ "================================", "BGP Routing PROBLEMS", "================================", "In case of any routing problems,", "please send a mail to registry contact.", "lir@a1.bg", "================================", "ABUSE ISSUES", "================================", "In case of abuse (intrusion attempts, hacking,", "spamming or other unaccepted behavior) from", "A1 BG address space, please mail only to:", "abuse-mailbox. Notifications sent to other", "mailboxes will be left without any action." ],
    "mnt_by" : [ "SPNET-MNT", "AS12716-MNT" ],
    "date_created" : "2007-10-19",
    "date_updated" : "2022-08-24",
    "source" : "RIPE",
    "addressCountry" : "BULGARIA"
  } ]
}

Peers

AS Number	Description	Country
AS12301	Invitech ICT Services Kft.	HU
AS8390	GTT Communications Inc.	US
AS8717	A1 Bulgaria EAD	BG
AS8877	Lir.bg EOOD	BG
AS42242	RIPE Network Coordination Centre	NL
AS8866	Vivacom Bulgaria EAD	BG
AS39505	VESTITEL BG	BG
AS41782	BGLAN LTD	BG
AS20911	Net Surf.net Ltd.	BG
AS48452	Telco power Ltd	BG

Upstreams

AS Number	Description	Country
AS8717	A1 Bulgaria EAD	BG

ASN Lookup Tool

ASN Summary