Autonomous System details

AS20911

Net-Surf.net Ltd. · netsurf.bg

Bulgaria

BitTorrent

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AS20911 – Net-Surf.net Ltd.

Field	Value
Country	Bulgaria
Website	netsurf.bg
Hosted domains	789
IPv4 addresses	36,096
IPv6 addresses	0
ASN type	ISP
Registry	ripe
Allocated	24 years ago on Feb 04, 2002
Updated	a month ago on Dec 15, 2025

Netblock	Company	Num of IPs
46.229.192.0/20	Net-Surf.net Ltd.	4,096
178.254.240.0/20	NETSURF dynamic PPPoE pools	4,096
78.90.248.0/21	SWNET PPPoE	2,048
95.111.120.0/21	NETSURF Networks for new region	2,048
178.254.216.0/21	Net-Surf.net Ltd. broadband services	2,048
178.254.232.0/21	NETSURF dynamic PPPoE pools	2,048
46.229.196.0/22	GPON deployment in city of Vratza	1,024
46.229.200.0/22	NetSurf.net GPON services in city of Vraca	1,024
80.72.88.0/22	Net-Surf.net Ltd.	1,024
93.152.248.0/22	Net-Surf.net Ltd.	1,024
178.254.204.0/22	Net-Surf.net Ltd. broadband services	1,024
178.254.208.0/22	Net-Surf.net Ltd. broadband services	1,024
178.254.228.0/22	NETSURF dynamic PPPoE pools	1,024
195.230.28.0/22	TEA Ltd.	1,024
45.90.90.0/23	Net-Surf.net Ltd. broadband services	512
46.229.192.0/23	PPPoE in City of Valchedram	512
84.21.174.0/23	Net-Surf.net Ltd. GPON services	512
87.120.118.0/23	Net-Surf.net Ltd. broadband services	512
87.120.122.0/23	Net-Surf.net Ltd. broadband services	512
87.121.70.0/23	Net-Surf.net Ltd. broadband services	512
93.123.26.0/23	Net-Surf.net Ltd.	512
93.152.228.0/23	Net-Surf.net Ltd.	512
93.152.252.0/23	Net-Surf.net Ltd.	512
93.152.254.0/23	Net-Surf.net Ltd.	512
94.156.162.0/23	Net-Surf.net Ltd. broadband services	512
178.254.194.0/23	Net-Surf.net Ltd. broadband services	512
178.254.196.0/23	Net-Surf.net Ltd. broadband services	512
178.254.198.0/23	Net-Surf.net Ltd. broadband services	512
178.254.200.0/23	Net-Surf.net Ltd. broadband services	512
178.254.212.0/23	Net-Surf.net Ltd. broadband services	512
178.254.224.0/23	NETSURF dynamic PPPoE pools	512
193.42.34.0/23	Neterra Ltd.	512
195.230.28.0/23	TEA Ltd.	512
45.90.90.0/24	Net-Surf.net Ltd. broadband services	256
45.90.91.0/24	Net-Surf.net Ltd. broadband services	256
46.229.192.0/24	PPPoE in City of Valchedram	256
46.229.193.0/24	PPPoE in City of Valchedram	256
46.229.194.0/24	PPPoE in City of Valchedram	256
46.229.195.0/24	Berk PPPoE	256
46.229.196.0/24	GPON deployment in city of Vratza	256
46.229.197.0/24	GPON deployment in city of Vratza	256
46.229.198.0/24	GPON deployment in city of Vratza	256
46.229.199.0/24	GPON deployment in city of Vratza	256
46.229.200.0/24	NetSurf.net GPON services in city of Vraca	256
46.229.201.0/24	NetSurf.net GPON services in city of Vraca	256
46.229.202.0/24	NetSurf.net GPON services in city of Vraca	256
46.229.203.0/24	NetSurf.net GPON services in city of Vraca	256
46.229.204.0/24	Net-Surf.net Ltd.	256
46.229.205.0/24	Corporate clients	256
46.229.206.0/24	connect /30 in Sofia	256
46.229.207.0/24	Kozl	256
78.90.248.0/24	SWNET PPPoE	256
78.90.249.0/24	SWNET PPPoE	256
78.90.250.0/24	SWNET PPPoE	256
78.90.251.0/24	SWNET PPPoE	256
78.90.252.0/24	SWNET PPPoE	256
78.90.253.0/24	SWNET PPPoE	256
78.90.254.0/24	SWNET PPPoE	256
78.90.255.0/24	SWNET PPPoE	256
78.128.40.0/24	Net-Surf.net Ltd.	256
79.124.9.0/24	Evora NET	256
80.72.88.0/24	Net-Surf.net Ltd.	256
80.72.89.0/24	Net-Surf.net Ltd.	256
80.72.90.0/24	Net-Surf.net Ltd.	256
80.72.91.0/24	Net-Surf.net Ltd.	256
84.21.174.0/24	Net-Surf.net Ltd. GPON services	256
84.21.175.0/24	Net-Surf.net Ltd. GPON services	256
87.120.118.0/24	Net-Surf.net Ltd. broadband services	256
87.120.119.0/24	Net-Surf.net Ltd. broadband services	256
87.120.122.0/24	Net-Surf.net Ltd. broadband services	256
87.120.123.0/24	Net-Surf.net Ltd. broadband services	256
87.120.124.0/24	Net-Surf.net Ltd. broadband services	256
87.121.70.0/24	Net-Surf.net Ltd. broadband services	256
87.121.71.0/24	Net-Surf.net Ltd. broadband services	256
92.249.50.0/24	Net-Surf.net_Ltd_broadband_services	256
93.123.26.0/24	Net-Surf.net Ltd.	256
93.123.27.0/24	Net-Surf.net Ltd.	256
93.152.228.0/24	Net-Surf.net Ltd.	256
93.152.229.0/24	Net-Surf.net Ltd.	256
93.152.248.0/24	Net-Surf.net Ltd.	256
93.152.249.0/24	Net-Surf.net Ltd.	256
93.152.250.0/24	Net-Surf.net Ltd.	256
93.152.251.0/24	Net-Surf.net Ltd.	256
93.152.252.0/24	Net-Surf.net Ltd.	256
93.152.253.0/24	Net-Surf.net Ltd.	256
93.152.254.0/24	Net-Surf.net Ltd.	256
93.152.255.0/24	Net-Surf.net Ltd.	256
94.156.162.0/24	Net-Surf.net Ltd. broadband services	256
94.156.163.0/24	Net-Surf.net Ltd. broadband services	256
95.111.120.0/24	NETSURF Networks for new region	256
95.111.121.0/24	NETSURF Networks for new region	256
95.111.122.0/24	NETSURF Networks for new region	256
95.111.123.0/24	NETSURF Networks for new region	256
95.111.124.0/24	NETSURF Networks for new region	256
95.111.125.0/24	NETSURF Networks for new region	256
95.111.126.0/24	NETSURF Networks for new region	256
95.111.127.0/24	NETSURF Networks for new region	256
95.214.27.0/24	Net-Surf.net_Ltd_broadband_services	256
178.254.192.0/24	Net-Surf.net Ltd. broadband services	256
178.254.193.0/24	Net-Surf.net Ltd. broadband services	256
178.254.194.0/24	Net-Surf.net Ltd. broadband services	256
178.254.195.0/24	Net-Surf.net Ltd. broadband services	256
178.254.196.0/24	Net-Surf.net Ltd. broadband services	256
178.254.197.0/24	Net-Surf.net Ltd. broadband services	256
178.254.198.0/24	Net-Surf.net Ltd. broadband services	256
178.254.199.0/24	Net-Surf.net Ltd. broadband services	256
178.254.200.0/24	Net-Surf.net Ltd. broadband services	256
178.254.201.0/24	Net-Surf.net Ltd. broadband services	256
178.254.202.0/24	Net-Surf.net Ltd. broadband services	256
178.254.203.0/24	Net-Surf.net Ltd. broadband services	256
178.254.204.0/24	Net-Surf.net Ltd. broadband services	256
178.254.205.0/24	Net-Surf.net Ltd. broadband services	256
178.254.206.0/24	Net-Surf.net Ltd. broadband services	256
178.254.207.0/24	Net-Surf.net Ltd. broadband services	256
178.254.208.0/24	Net-Surf.net Ltd. broadband services	256
178.254.209.0/24	Net-Surf.net Ltd. broadband services	256
178.254.210.0/24	Net-Surf.net Ltd. broadband services	256
178.254.211.0/24	Net-Surf.net Ltd. broadband services	256
178.254.212.0/24	Net-Surf.net Ltd. broadband services	256
178.254.213.0/24	Net-Surf.net Ltd. broadband services	256
178.254.214.0/24	Net-Surf.net Ltd. broadband services	256
178.254.215.0/24	Net-Surf.net Ltd. broadband services	256
178.254.216.0/24	Net-Surf.net Ltd. broadband services	256
178.254.217.0/24	Net-Surf.net Ltd. broadband services	256
178.254.218.0/24	Net-Surf.net Ltd. broadband services	256
178.254.219.0/24	Net-Surf.net Ltd. broadband services	256
178.254.220.0/24	Net-Surf.net Ltd. broadband services	256
178.254.221.0/24	Net-Surf.net Ltd. broadband services	256
178.254.222.0/24	Net-Surf.net Ltd. broadband services	256
178.254.223.0/24	Net-Surf.net Ltd. broadband services	256
178.254.224.0/24	NETSURF dynamic PPPoE pools	256
178.254.225.0/24	NETSURF dynamic PPPoE pools	256
178.254.226.0/24	NETSURF dynamic PPPoE pools	256
178.254.227.0/24	NETSURF dynamic PPPoE pools	256
178.254.228.0/24	NETSURF dynamic PPPoE pools	256
178.254.229.0/24	NETSURF dynamic PPPoE pools	256
178.254.230.0/24	NETSURF dynamic PPPoE pools	256
178.254.231.0/24	NETSURF dynamic PPPoE pools	256
178.254.232.0/24	NETSURF dynamic PPPoE pools	256
178.254.233.0/24	NETSURF dynamic PPPoE pools	256
178.254.234.0/24	NETSURF dynamic PPPoE pools	256
178.254.235.0/24	NETSURF dynamic PPPoE pools	256
178.254.236.0/24	NETSURF dynamic PPPoE pools	256
178.254.237.0/24	NETSURF dynamic PPPoE pools	256
178.254.238.0/24	NETSURF dynamic PPPoE pools	256
178.254.239.0/24	NETSURF dynamic PPPoE pools	256
178.254.240.0/24	NETSURF dynamic PPPoE pools	256
178.254.241.0/24	NETSURF dynamic PPPoE pools	256
178.254.242.0/24	NETSURF dynamic PPPoE pools	256
178.254.243.0/24	NETSURF dynamic PPPoE pools	256
178.254.244.0/24	NETSURF dynamic PPPoE pools	256
178.254.245.0/24	NETSURF dynamic PPPoE pools	256
178.254.246.0/24	NETSURF dynamic PPPoE pools	256
178.254.247.0/24	NETSURF dynamic PPPoE pools	256
178.254.248.0/24	NETSURF dynamic PPPoE pools	256
178.254.249.0/24	NETSURF dynamic PPPoE pools	256
178.254.250.0/24	NETSURF dynamic PPPoE pools	256
178.254.251.0/24	NETSURF dynamic PPPoE pools	256
178.254.252.0/24	NETSURF dynamic PPPoE pools	256
178.254.253.0/24	NETSURF dynamic PPPoE pools	256
178.254.254.0/24	NETSURF dynamic PPPoE pools	256
178.254.255.0/24	NETSURF dynamic PPPoE pools	256
185.95.248.0/24	Net-Surf.net Ltd.	256
185.95.249.0/24	Net-Surf.net Ltd.	256
185.95.250.0/24	Net-Surf.net Ltd.	256
185.95.251.0/24	Net-Surf.net Ltd.	256
193.42.34.0/24	Net-Surf.net Ltd. broadband services	256
193.42.35.0/24	Net-Surf.net Ltd. broadband services	256
194.55.186.0/24	Net-Surf.net_Ltd_broadband_services	256
194.169.175.0/24	Net-Surf.net_Ltd_broadband_services	256
195.230.28.0/24	TEA Ltd.	256
195.230.29.0/24	TEA Ltd.	256
195.230.30.0/24	TEA Ltd.	256
195.230.31.0/24	TEA Ltd.	256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS20911
                                                OrgID:          AS20911
                                                ASName:         AS20911
                                                ASNumber:       AS20911
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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IP WHOIS API & Database

Hosted Domains

There are 789 domain names hosted across 135 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
194.169.175.223	██████████	247
178.254.224.200	██████████	85
194.169.175.192	██████████	47
194.169.175.181	██████████	38
194.169.175.130	██████████	28
95.214.27.222	██████████	27
194.169.175.119	██████████	20
95.214.27.14	██████████	20
194.169.175.225	██████████	15
95.214.27.28	██████████	14

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Hosted Domains API & Database

Peers

There are 67 peers for this ASN.

Peers	Name
AS1031	PEER 1031 LLC
AS13004	Serbian Open Exchange DOO
AS137409	GSL Networks Pty LTD
AS14537	Continent 8 LLC
AS14840	BR.Digital Telecom
AS15958	CETINdoo-NET
AS174	Cogent Communications, LLC
AS198150	SIACOM JSC
AS199524	G-Core Labs S.A.
AS200242	Ember Ana Reimer
AS205112	PHILUNET GmbH
AS206499	LOCIX LIMITED
AS20764	CJSC RASCOM
AS209823	Enki Multimedia EURL
AS212123	Red Panda Network
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS212508	Lowhosting services of Davide Gennari
AS213151	Christian Elsen
AS24482	SG.GS
AS24961	WIIT AG
AS25091	IP-Max SA
AS25478	iHome LLC
AS263152	MIGO TELECOM
AS29049	Delta Telecom Ltd
AS3214	xTom GmbH
AS32590	Valve Corporation
AS3303	Swisscom (Switzerland) Ltd
AS34019	Hivane Association
AS34549	meerfarbig GmbH & Co. KG
AS34854	Staclar Carrier Ltd.
AS34872	Sarah Rossius trading as Servperso Systems
AS34927	iFog GmbH
AS37721	Virtual Technologies & Solutions
AS39120	Convergenze S.p.A.
AS39122	Blacknight Internet Solutions Limited
AS39351	31173 Services AB
AS41327	Fiber Telecom S.p.A.
AS41666	Institute for Pyrotechnical Cleaning (limited company)
AS42541	Fiberby ApS
AS44901	Belcloud LTD
AS49434	FBW NETWORKS SAS
AS49544	i3D.net B.V
AS49673	Truenetwork LLC
AS50673	Serverius
AS51019	Ljósnet
AS51088	A2B IP B.V.
AS51189	Sharcom Ltd.
AS52055	NetIX Communications JSC
AS53062	ALT \| GRUPO BRASIL TECPAR
AS5405	Inter.link GmbH
AS57050	DreamServer S.R.L.
AS57152	Nuh Ahmet Firat trading as TEKNET YAZILIM VE BILGISAYAR TEKNOLOJILERI
AS57344	Telehouse EAD
AS57463	NetIX Communications JSC
AS58057	Securebit AG
AS58299	Openfactory GmbH
AS59900	Balkan Internet Exchange Ltd
AS60144	3W Infra B.V.
AS61568	ALOO TELECOM - FSF TECNOLOGIA SA
AS62167	Tismi BV
AS6939	Hurricane Electric LLC
AS8283	Netwerkvereniging Coloclue
AS8298	IPng Networks GmbH
AS8431	TEA Ltd.
AS8888	xTom Pty Ltd
AS9002	RETN Limited
AS9044	BSE Software GmbH

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ASN API & Database

Upstreams

There are 4 upstreams for this ASN.

upstreams	Name
AS174	Cogent Communications, LLC
AS44901	Belcloud LTD
AS57344	Telehouse EAD
AS9002	RETN Limited

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ASN API & Database

Downstreams

There are 2 downstreams for this ASN.

Downstreams	Name
AS51189	Sharcom Ltd.
AS8431	TEA Ltd.

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ASN API & Database

Pingable IPs

137 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
178.254.237.135	AS20911 Net-Surf.net Ltd.	`2.01ms` from Sofia, BG
46.229.201.113	AS20911 Net-Surf.net Ltd.	`4.55ms` from Sofia, BG
194.169.175.14	AS20911 Net-Surf.net Ltd.	`3.08ms` from Sofia, BG
95.111.125.185	AS20911 Net-Surf.net Ltd.	`3.06ms` from Sofia, BG
79.124.9.140	AS20911 Net-Surf.net Ltd.	`2.79ms` from Sofia, BG
78.90.251.67	AS20911 Net-Surf.net Ltd.	`3.20ms` from Sofia, BG
178.254.251.13	AS20911 Net-Surf.net Ltd.	`2.65ms` from Sofia, BG
178.254.197.160	AS20911 Net-Surf.net Ltd.	`2.20ms` from Sofia, BG
178.254.203.153	AS20911 Net-Surf.net Ltd.	`2.17ms` from Sofia, BG
178.254.216.13	AS20911 Net-Surf.net Ltd.	`4.65ms` from Sofia, BG
178.254.226.40	AS20911 Net-Surf.net Ltd.	`2.21ms` from Sofia, BG
178.254.224.135	AS20911 Net-Surf.net Ltd.	`2.39ms` from Sofia, BG
93.152.254.81	AS20911 Net-Surf.net Ltd.	`4.84ms` from Sofia, BG
178.254.202.66	AS20911 Net-Surf.net Ltd.	`3.62ms` from Sofia, BG
194.55.186.35	AS20911 Net-Surf.net Ltd.	`2.36ms` from Sofia, BG
46.229.197.12	AS20911 Net-Surf.net Ltd.	`2.94ms` from Sofia, BG
80.72.91.161	AS20911 Net-Surf.net Ltd.	`3.40ms` from Sofia, BG
185.95.251.191	AS20911 Net-Surf.net Ltd.	`2.04ms` from Sofia, BG
45.90.90.75	AS20911 Net-Surf.net Ltd.	`2.39ms` from Sofia, BG
178.254.200.154	AS20911 Net-Surf.net Ltd.	`3.16ms` from Sofia, BG
178.254.253.18	AS20911 Net-Surf.net Ltd.	`2.14ms` from Sofia, BG
46.229.194.220	AS20911 Net-Surf.net Ltd.	`6.08ms` from Sofia, BG
87.120.123.200	AS20911 Net-Surf.net Ltd.	`2.90ms` from Sofia, BG
178.254.227.14	AS20911 Net-Surf.net Ltd.	`2.64ms` from Sofia, BG
178.254.242.97	AS20911 Net-Surf.net Ltd.	`2.27ms` from Sofia, BG

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
129.92.198.47	AS668 United States Department of Defense (DoD)	`4.19ms` from Chicago, US
83.236.99.143	AS20676 Plusnet GmbH	`5.66ms` from Frankfurt am Main, DE
118.136.25.127	AS23700 Linknet-Fastnet ASN	`5.36ms` from Jakarta, ID
212.228.151.255	AS5378 Vodafone Limited	`3.78ms` from Manchester, GB
88.58.57.223	AS3269 Telecom Italia S.p.A.	`6.54ms` from Milan, IT
72.80.189.95	AS701 Verizon Business	`6.61ms` from New York City, US
36.27.162.191	AS4134 CHINANET-BACKBONE	`7.67ms` from Ningbo, CN
139.71.136.15	AS6307 American Express Company	`1.22ms` from Secaucus, US
125.128.118.95	AS4766 Korea Telecom	`1.47ms` from Seoul, KR
178.147.166.175	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`17.46ms` from Athens, GR
35.193.194.239	AS396982 Google LLC	`0.10ms` from Council Bluffs, US
59.58.250.79	AS4134 CHINANET-BACKBONE	`8.92ms` from Fuzhou, CN
113.172.130.31	AS45899 VNPT Corp	`1.53ms` from Ho Chi Minh City, VN
45.199.17.175	AS134548 DXTL Tseung Kwan O Service	`0.77ms` from Hong Kong, HK
122.163.31.255	AS24560 Bharti Airtel Ltd., Telemedia Services	`1.36ms` from Kolkata, IN
175.199.142.95	AS4766 Korea Telecom	`7.57ms` from Seoul, KR
134.231.137.79	AS394089 Google LLC	`0.17ms` from Tokyo, JP
3.17.137.79	AS16509 Amazon.com, Inc.	`0.60ms` from Columbus, US
189.182.154.111	AS8151 UNINET	`0.95ms` from Guadalajara, MX
187.201.34.79	AS8151 UNINET	`0.91ms` from Guadalajara, MX
27.36.65.143	AS17816 China Unicom IP network China169 Guangdong province	`4.60ms` from Guangzhou, CN
78.187.167.79	AS9121 Turk Telekomunikasyon Anonim Sirketi	`8.17ms` from Izmir, TR
109.229.143.15	AS29124 Iskratelecom JSC	`0.90ms` from Moscow, RU
67.114.102.223	AS7018 AT&T Enterprises, LLC	`8.34ms` from San Jose, US
88.156.8.239	AS29314 VECTRA S.A.	`13.95ms` from Warsaw, PL

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

traceroute -a -n -q1 -f4 195.230.28.228

traceroute to 195.230.28.228 (195.230.28.228): 64 hops max, 52 byte packets

4 [] 193.169.198.215 1.723 ms

5 *

6 [AS20911] 46.229.207.9 4.095 ms

7 [AS20911] 195.230.28.228 5.341 ms

Measurement taken from

IPinfo ProbeNet in Sofia, BG

On January 9th 2026

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS20911 at robtex.

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