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	790
IPv4 addresses	35,072
IPv6 addresses	0
ASN type	ISP
Registry	ripe
Allocated	24 years ago on Feb 04, 2002
Updated	5 years ago on Apr 28, 2021

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
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
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
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
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 790 domain names hosted across 128 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
194.169.175.223	██████████	248
178.254.224.200	██████████	84
194.169.175.192	██████████	49
194.169.175.181	██████████	38
194.169.175.130	██████████	28
95.214.27.222	██████████	27
95.214.27.14	██████████	22
194.169.175.119	██████████	20
194.169.175.225	██████████	16
194.169.175.138	██████████	14

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Hosted Domains API & Database

Peers

There are 65 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
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
AS28917	Fiord Networks, UAB
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
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
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 YAZLIM 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.
AS60150	area-7 IT-Services GmbH
AS61568	ALOO TELECOM - FSF TECNOLOGIA SA
AS62167	Tismi BV
AS6233	xTom
AS6939	Hurricane Electric LLC
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 is 1 peer for this ASN.

Downstreams	Name
AS8431	TEA Ltd.

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
93.152.255.62	AS20911 Net-Surf.net Ltd.	`4.89ms` from Sofia, BG
193.42.35.103	AS20911 Net-Surf.net Ltd.	`5.14ms` from Sofia, BG
178.254.246.138	AS20911 Net-Surf.net Ltd.	`3.44ms` from Sofia, BG
87.120.123.200	AS20911 Net-Surf.net Ltd.	`2.74ms` from Sofia, BG
80.72.90.207	AS20911 Net-Surf.net Ltd.	`3.15ms` from Sofia, BG
178.254.249.201	AS20911 Net-Surf.net Ltd.	`3.47ms` from Sofia, BG
178.254.221.199	AS20911 Net-Surf.net Ltd.	`5.80ms` from Sofia, BG
178.254.241.3	AS20911 Net-Surf.net Ltd.	`3.27ms` from Sofia, BG
178.254.202.89	AS20911 Net-Surf.net Ltd.	`4.69ms` from Sofia, BG
195.230.31.126	AS20911 Net-Surf.net Ltd.	`5.53ms` from Sofia, BG
178.254.206.185	AS20911 Net-Surf.net Ltd.	`4.74ms` from Sofia, BG
46.229.192.18	AS20911 Net-Surf.net Ltd.	`4.79ms` from Sofia, BG
178.254.250.20	AS20911 Net-Surf.net Ltd.	`3.11ms` from Sofia, BG
178.254.244.70	AS20911 Net-Surf.net Ltd.	`3.13ms` from Sofia, BG
95.111.120.58	AS20911 Net-Surf.net Ltd.	`3.02ms` from Sofia, BG
178.254.234.65	AS20911 Net-Surf.net Ltd.	`2.82ms` from Sofia, BG
45.90.91.212	AS20911 Net-Surf.net Ltd.	`3.12ms` from Sofia, BG
178.254.216.11	AS20911 Net-Surf.net Ltd.	`5.01ms` from Sofia, BG
178.254.237.135	AS20911 Net-Surf.net Ltd.	`3.02ms` from Sofia, BG
46.229.207.131	AS20911 Net-Surf.net Ltd.	`2.54ms` from Sofia, BG
93.152.251.186	AS20911 Net-Surf.net Ltd.	`2.84ms` from Sofia, BG
93.123.27.167	AS20911 Net-Surf.net Ltd.	`4.92ms` from Sofia, BG
178.254.248.34	AS20911 Net-Surf.net Ltd.	`3.58ms` from Sofia, BG
93.152.248.232	AS20911 Net-Surf.net Ltd.	`3.06ms` from Sofia, BG
46.229.204.195	AS20911 Net-Surf.net Ltd.	`2.71ms` 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
197.202.4.63	AS36947 Telecom Algeria	`14.36ms` from Algiers, DZ
20.86.80.15	AS8075 Microsoft Corporation	`1.22ms` from Amsterdam, NL
121.244.27.79	AS4755 TATA Communications formerly VSNL is Leading ISP	`0.55ms` from Bengaluru, IN
84.190.206.191	AS3320 Deutsche Telekom AG	`2.62ms` from Frankfurt am Main, DE
94.63.93.31	AS12353 Vodafone Portugal	`2.71ms` from Lisbon, PT
140.204.44.63	AS31898 Oracle Corporation	`0.15ms` from Melbourne, AU
54.226.0.111	AS14618 Amazon.com, Inc.	`0.24ms` from Reston, US
115.137.49.95	AS17858 LG POWERCOMM	`2.27ms` from Seoul, KR
121.147.249.239	AS4766 Korea Telecom	`5.36ms` from Seoul, KR
101.34.54.47	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.61ms` from Shanghai, CN
23.52.66.175	AS20940 Akamai International B.V.	`0.56ms` from Boston, US
38.240.70.143	AS16698 NP Tech	`3.34ms` from Chicago, US
74.128.71.143	AS10796 Charter Communications Inc	`19.32ms` from Columbus, US
86.183.67.95	AS2856 British Telecommunications PLC	`2.66ms` from Erith, GB
124.71.11.255	AS55990 Huawei Cloud Service data center	`1.66ms` from Guangzhou, CN
185.136.90.15	AS12338 Euskaltel S.A.	`7.63ms` from Madrid, ES
68.185.101.207	AS20115 Charter Communications LLC	`18.48ms` from Minneapolis, US
61.87.113.175	AS9354 Community Network Center Inc.	`7.01ms` from Osaka, JP
89.24.139.239	AS13036 T-Mobile Czech Republic a.s.	`1.59ms` from Prague, CZ
79.132.117.143	AS15774 Limited Liability Company "TTK-Svyaz"	`5.39ms` from Samara, RU
117.81.227.111	AS140292 CHINATELECOM Jiangsu province Suzhou 5G network	`6.95ms` from Shanghai, CN
60.247.2.47	AS4847 China Networks Inter-Exchange	`2.73ms` from Tianjin, CN
41.99.222.159	AS36947 Telecom Algeria	`9.97ms` from Valencia, ES
34.212.7.143	AS16509 Amazon.com, Inc.	`0.20ms` from Boardman, US
154.27.78.207	AS13886 Cloud South	`1.06ms` from Boca Raton, US

Traceroute

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

traceroute -a -n -q1 -f3 45.90.90.242

traceroute to 45.90.90.242 (45.90.90.242): 64 hops max, 52 byte packets

3 [AS57344] 193.169.198.215 0.944 ms

4 *

5 [AS20911] 178.254.192.24 2.863 ms

6 [AS20911] 45.90.90.242 4.2 ms

Measurement taken from

IPinfo ProbeNet in Sofia, BG

On November 28th 2025

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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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