AS35141 A1 Bulgaria EAD 🇧🇬 BG

Announcing 361 prefixes, seen at the RIS collectors.
IPv4 prefixes
361
111,360 (435 × /24)
IPv6 prefixes
Upstreams
transit providers observed
Peers
settlement-free adjacencies
Downstreams
transit customers observed
Customer cone
ASes reachable through it
Registry and operator data

AS number: AS35141
Name: A1 Bulgaria EAD
Organisation: A1 Bulgaria EAD
Country: 🇧🇬 BG
RIR: RIPENCC
Allocated: 2005-06-09
RPKI coverage of this AS

Its own announcements, validated against the current ROA set
361 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)
Whois

Fetched from whois.ripe.net
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

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
reg-nr:         131468980
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:  2026-05-13T07:31:45Z
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