ASN Lookup Tool

Net Surf.net Ltd. net-surf.net BG BG 184 Routes

AS Data

AS20911

AS20911Net Surf.net Ltd.

AS Number 20911
AS Name NETSURF-AS-BG
Organization Net Surf.net Ltd. (org-nl136-ripe)
Country BG
Website net-surf.net
Number of IPv4 Routes 184
Number of IPv6 Routes 0
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2002-02-04

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Use ASN data for AS20911 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
178.254.250.0/24 256
195.230.30.0/24 256
178.254.208.0/22 1024
178.254.195.0/24 256
178.254.194.0/23 512
87.121.70.0/24 256
178.254.221.0/24 256
178.254.216.0/21 2048
95.111.126.0/24 256
178.254.212.0/24 256
46.229.199.0/24 256
178.254.192.213/32 1
79.124.9.0/24 256
87.120.124.0/24 256
178.254.228.0/22 1024
78.90.255.0/24 256
87.120.118.0/24 256
178.254.227.0/24 256
178.254.198.0/24 256
78.90.249.0/24 256
178.254.219.0/24 256
46.229.196.0/24 256
178.254.215.0/24 256
93.152.229.0/24 256
178.254.236.0/24 256
178.254.244.0/24 256
78.90.251.0/24 256
94.156.163.0/24 256
78.90.252.0/24 256
46.229.193.0/24 256
178.254.253.0/24 256
178.254.245.0/24 256
92.249.50.0/24 256
178.254.203.0/24 256
195.230.28.0/24 256
178.254.254.0/24 256
95.111.120.0/21 2048
178.254.199.0/24 256
46.229.194.0/24 256
185.95.248.0/24 256
178.254.192.0/24 256
178.254.235.0/24 256
185.95.250.0/24 256
178.254.192.206/32 1
93.152.228.0/24 256
78.90.254.0/24 256
46.229.195.0/24 256
178.254.212.0/23 512
193.42.35.0/24 256
95.111.125.0/24 256
93.123.27.0/24 256
178.254.242.0/24 256
93.152.251.0/24 256
95.111.120.0/24 256
178.254.220.0/24 256
178.254.192.209/32 1
87.120.119.0/24 256
195.230.31.0/24 256
87.120.118.0/23 512
178.254.192.202/32 1

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 'AS20859 - AS20927'

as-block:       AS20859 - AS20927
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:        2018-11-22T15:27:27Z
last-modified:  2018-11-22T15:27:27Z
source:         RIPE

% Information related to 'AS20911'

% Abuse contact for 'AS20911' is 'abuse@net-surf.net'

aut-num:        AS20911
as-name:        NETSURF-AS-BG
org:            ORG-NL136-RIPE
import:         from AS8717 action pref=100 ; accept ANY
import:         from AS59900 action pref=100 ; accept ANY
import:         from AS57344 action pref=100 ; accept ANY
import:         from AS44028 action pref=100 ; accept ANY
import:         from AS34224 action pref=100 ; accept ANY
import:         from AS8866 action pref=100 ; accept ANY
import:         from AS44901 action pref=100 ; accept ANY
export:         to AS13124 announce AS-NETSURF
export:         to AS8717 announce AS-NETSURF
export:         to AS35141 announce AS-NETSURF
export:         to AS35141 announce ANY
export:         to AS44028 announce ANY
export:         to AS34224 announce AS-NETSURF
export:         to AS8866 announce AS-NETSURF
export:         to AS49401 announce AS-NETSURF
import:         from AS51189 action pref=100 ; accept ANY
export:         to AS174 announce AS-NETSURF
export:         to AS15669 announce AS-NETSURF
export:         to AS57463 announce AS-NETSURF
export:         to AS57344 announce AS-NETSURF
export:         to AS59900 announce AS-NETSURF
export:         to AS44901 announce AS-NETSURF
default:        to AS57344
admin-c:        TT1484-RIPE
tech-c:         TT1484-RIPE
tech-c:         MV4491-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         NETSURF-MNTR
created:        2002-02-04T13:38:19Z
last-modified:  2025-12-15T16:02:22Z
source:         RIPE # Filtered

organisation:   ORG-NL136-RIPE
org-name:       Net-Surf.net Ltd.
country:        BG
reg-nr:         111542312
org-type:       LIR
address:        bul " Treti Mart " 78
address:        3400
address:        Montana
address:        BULGARIA
phone:          +359399994
abuse-c:        AR14219-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-LIR-BG
mnt-ref:        NETSURF-MNTR
mnt-ref:        MNT-NETERRA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         NETSURF-MNTR
created:        2010-04-29T13:45:08Z
last-modified:  2026-05-13T07:33:07Z
source:         RIPE # Filtered

person:         Martin Vassilev
address:        Bulgaria, Montana
address:        Treti Mart bul.  #  78
mnt-by:         NETSURF-MNTR
phone:          + 359 96 399994
nic-hdl:        MV4491-RIPE
created:        2006-07-06T09:06:07Z
last-modified:  2018-09-19T07:56:10Z
source:         RIPE # Filtered

person:         Tzvetomir Tzvetkov
address:        Montana 3400, Bulgaria
address:        bul " Treti Mart " 78
phone:          + 359 96 399996
fax-no:         + 359 96 399998
nic-hdl:        TT1484-RIPE
created:        1970-01-01T00:00:00Z
last-modified:  2016-04-05T17:53:21Z
mnt-by:         RIPE-NCC-LOCKED-MNT
source:         RIPE

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

Parsed Whois Response

Peers

AS Number Description Country
AS51189 Sharcom Ltd. BG
AS212815 Dyjix SAS FR
AS213151 Christian Elsen DE
AS58057 Securebit AG CH
AS212123 Jori Vanneste BE
AS14537 Continent 8 LLC US
AS198150 SIACOM JSC GE
AS15943 wilhelm.tel GmbH DE
AS13004 Serbian Open Exchange DOO RS
AS60144 3W Infra B.V. NL
AS199524 G-Core Labs S.A. LU
AS213576 Robert Weir IE
AS3303 Swisscom Schweiz AG CH
AS50673 Serverius Holding B.V. NL
AS207113 Cyrus Mbitao trading as Wofbit Networks KE
AS206499 LOCIX LIMITED GB
AS133504 PAOCLOUD CO., LTD. TH
AS53062 GGNET TELECOMUNICACOES LTDA BR
AS14840 BR.Digital Telecom BR
AS32590 Valve Corporation US
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS8801 Rocket Fibre Ltd GB
AS25091 IP Max SA ZZ
AS211358 Patrizio Palumbo IT
AS48511 Sector Telecom Ltd. RU
AS45701 PT. Internet Madju Abad Milenindo ID
AS8717 A1 Bulgaria EAD BG
AS8866 Vivacom Bulgaria EAD BG
AS215760 Adam Grazioli IT
AS209823 Enki Multimedia EURL FR
AS44620 Netlen Internet Hizmetleri Ltd. Sti. TR
AS34428 Giulio Lo Presti IT
AS212386 Pankkih Oy FI
AS34019 Hivane Association FR
AS8431 TEA Ltd. BG
AS52025 ParadoxNetworks Limited GB
AS8218 Zayo Infrastructure France SA FR
AS15958 CETIN Ltd. Belgrade RS
AS35141 A1 Bulgaria EAD BG
AS24940 Hetzner Online GmbH DE
AS205941 Lungu Stefan Gabriel RO
AS215665 Marlon Alkan DE
AS39120 Convergenze S.p.A. IT
AS9002 RETN Limited GB
AS263444 Open X Tecnologia Ltda BR
AS60900 Adrian Trifonov trading as Ssmidge Technologies CA
AS44901 belcloud BG
AS41327 Fiber Telecom S.p.A. IT
AS48678 Pentech Bilisim Teknolojileri Sanayi Ve Ticaret Limited Sirketi TR
AS44028 Sestek Ses ve Iletisim Bilgisayar Teknolojileri San. ve Tic. A.S. TR
AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S. TR
AS204457 Atlantis Telekomunikasyon Bilisim Hizmetleri San. ve Tic. Ltd. Sti. TR
AS25091 IP-Max SA CH
AS42541 Fiberby ApS DK
AS132337 Axclusive SG
AS49544 i3D.net B.V NL
AS199081 Lancom Ltd. GR
AS62167 Tismi BV NL
AS50869 IPng Networks GmbH CH
AS57050 DreamServer RO

Upstreams

AS Number Description Country
AS39120 Convergenze S.p.A. IT
AS50869 IPng Networks GmbH CH
AS58057 Securebit AG CH
AS14840 BR.Digital Telecom BR
AS9002 RETN Limited GB
AS39351 31173 Services AB SE
AS263444 Open X Tecnologia Ltda BR
AS6939 Hurricane Electric LLC US
AS57463 NetIX Communications JSC BG
AS44901 Belcloud LTD BG
AS174 Cogent Communications, LLC US
AS52055 NetIX Communications JSC BG
AS59900 Balkan Internet Exchange Ltd BG
AS34019 Hivane Association FR
AS57344 Telehouse EAD BG
AS25091 IP Max SA ZZ
AS20764 CJSC RASCOM RU
AS3303 Swisscom Schweiz AG CH
AS15958 CETIN Ltd. Belgrade RS
AS9044 BSE Software GmbH CH
AS50673 Serverius Holding B.V. NL
AS137409 GSL Networks Pty LTD AU
AS34549 meerfarbig GmbH & Co. KG DE

Downstreams

AS Number Description Country
AS8431 TEA Ltd. BG

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Frequently Asked Questions

ASN AS20911 is an Autonomous System Number used to identify a network for BGP internet routing.
AS20911 is listed under Net Surf.net Ltd..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.