Autonomous System details

AS51088

A2B IP B.V. · a2b-internet.com

Netherlands

BitTorrent

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AS51088 – A2B IP B.V.

Field	Value
Country	Netherlands
Website	a2b-internet.com
Hosted domains	16,604
IPv4 addresses	40,960
IPv6 addresses	7,051,308,881,621,165,275,083,760,992,256
ASN type	Hosting
Registry	ripe
Allocated	16 years ago on May 28, 2010
Updated	3 years ago on Apr 24, 2023

Netblock	Company	Num of IPs
46.244.0.0/19	A2B IP B.V.	8,192
46.244.96.0/19	A2B IP B.V.	8,192
46.244.96.0/20	A2B IP B.V.	4,096
5.44.72.0/21	McCloud.nl B.V.	2,048
31.134.200.0/21	A2B IP B.V.	2,048
46.244.0.0/21	A2B IP B.V.	2,048
93.93.120.0/21	Gemeente Alkmaar	2,048
178.249.152.0/21	A2B IP B.V.	2,048
46.244.8.0/22	A2B IP B.V.	1,024
46.244.24.0/22	A2B IP B.V.	1,024
46.244.100.0/22	Den Haag	1,024
46.244.104.0/22	A2B IP B.V.	1,024
185.30.204.0/22	Justspark Managed IT B.V.	1,024
185.34.220.0/22	Nebula-Online B.V.	1,024
185.41.124.0/22	mijnpartnergroep.nl VOF	1,024
185.44.244.0/22	Luna.nl B.V.	1,024
185.63.244.0/22	It's Us B.V.	1,024
185.205.52.0/22	A2B IP B.V.	1,024
185.225.220.0/22	Luna.nl B.V.	1,024
185.240.112.0/22	Luna.nl B.V.	1,024
192.166.96.0/22	Effect ICT Solutions B.V.	1,024
46.244.12.0/23	IT Center	512
46.244.14.0/23	MKB-Online-Diensten	512
46.244.16.0/23	Cloud2	512
46.244.112.0/23	A2B IP B.V.	512
46.244.120.0/23	A2B IP B.V.	512
46.244.122.0/23	A2B IP B.V.	512
46.244.124.0/23	A2B IP B.V.	512
185.37.4.0/23	Advanced Team Systems Center B.V.	512
185.51.52.0/23	A2B IP B.V.	512
193.169.108.0/23	RENZO LISSENBERG	512
5.10.192.0/24	A2B IP B.V.	256
31.41.255.0/24	A2B IP B.V.	256
45.85.191.0/24	Inetactief	256
46.175.131.0/24	101010.tv B.V.	256
46.244.20.0/24	A2B IP B.V.	256
46.244.21.0/24	SHADOWSRV	256
46.244.22.0/24	SHADOWSRV	256
46.244.23.0/24	ISC-SANS	256
46.244.28.0/24	A2B IP B.V.	256
46.244.29.0/24	A2B IP B.V.	256
46.244.30.0/24	A2B IP B.V.	256
46.244.31.0/24	A2B IP B.V.	256
46.244.126.0/24	A2B IP B.V.	256
46.244.127.0/24	A2B Internet	256
62.3.55.0/24	A2B IP B.V.	256
62.68.84.0/24	Eljakim Information Technology B.V.	256
91.213.13.0/24	Easy Networking B.V.	256
92.249.7.0/24	Eljakim Information Technology B.V.	256
93.190.124.0/24	Infra-Commerce Investments B.V.	256
146.19.97.0/24	A2B IP B.V.	256
178.211.151.0/24	SyncForce B.V.	256
185.37.6.0/24	Digifactory hosting - nl.atsc	256
185.40.254.0/24	De Ruiter Network Company B.V.	256
185.46.173.0/24	DC1.AMSTERDAM Cooperatie U.A.	256
185.168.142.0/24	Zeta Datacenters B.V.	256
185.217.118.0/24	Wild ICT BV	256
185.218.207.0/24	Michel Van Dop trading as Inetactief	256
188.95.143.0/24	Netaffairs Internetdiensten BV	256
193.39.250.0/24	Edward van der Jagt B.V.	256
193.108.238.0/24	Easy Networking B.V.	256
193.110.189.0/24	Infra-Commerce Investments B.V.	256
212.24.126.0/24	A2B IP B.V.	256

Netblock	Company
2a05:2900::/29	A2B IP B.V.
2a06:2600::/29	A2B IP B.V.
2a0a:e80::/29	A2B IP B.V.
2a0b:1c0::/29	A2B IP B.V.
2a0f:ba00::/29	A2B IP B.V.
2a0f:d440::/29	Infra-Commerce Investments B.V.
2a12:4180::/29	DC1.AMSTERDAM Cooperatie U.A.
2a13:800::/29	A2B IP B.V.
2a13:2c00::/29	A2B IP B.V.
2a13:3400::/29	A2B IP B.V.
2a01:77e0::/32	Luna.nl B.V.
2a02:1668::/32	A2B IP B.V.
2a02:166a::/32	A2B IP B.V.
2a02:166b::/32	DSL/FTTH
2a02:2738::/32	Gemeente Alkmaar
2a02:7840::/32	WF Konijnenberg Holding B.V.
2a04:6dc0::/32	Advanced Team Systems Center B.V.
2a06:2602::/32	A2B IP B.V.
2a14:12c0::/32	Eljakim Information Technology B.V.
2001:67c:eb0::/48	Good Cloud BV
2001:67c:1064::/48	Easy Networking B.V.

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WHOIS Details

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                                                ASHandle:       AS51088
                                                OrgID:          AS51088
                                                ASName:         AS51088
                                                ASNumber:       AS51088
                                                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 16,604 domain names hosted across 569 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
185.41.127.160	██████████	1,169
185.41.127.161	██████████	583
185.41.127.11	██████████	462
31.134.206.96	██████████	457
178.249.155.140	██████████	380
193.39.250.190	██████████	276
31.134.201.106	██████████	271
178.249.155.177	██████████	218
185.41.127.19	██████████	214
185.41.126.39	██████████	205

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Hosted Domains API & Database

Peers

There are 729 peers for this ASN.

Peers	Name
AS10099	China Unicom Global
AS1031	PEER 1031 LLC
AS10310	Yahoo Holdings Inc.
AS1101	IP-EEND BV
AS11019	HAProxy Technologies, Inc.
AS1103	SURF B.V.
AS1126	Vancis Advanced ICT Services
AS11358	Tennant Software
AS1140	Stichting Internet Domeinregistratie Nederland
AS11967	Hop179 LLC
AS12322	Free SAS
AS12329	GLASFASER RUHR GmbH & Co. KG
AS12399	q.beyond AG
AS12400	Partner Communications Ltd.
AS12414	Solcon Internetdiensten B.V.
AS1248	HERE Global BV
AS12615	Global Communication Net Plc
AS12637	SEEWEB s.r.l.
AS12741	Netia SA
AS12759	Stephan Fuss trading as SoftCom Datensysteme
AS12779	IT.Gate S.p.A.
AS12859	BIT BV
AS12876	SCALEWAY S.A.S.
AS12888	Amadeus GmbH
AS12897	ENTEGA Medianet GmbH
AS12902	Luna.nl B.V.
AS12969	Vodafone Iceland
AS12993	Sabiedriba ar ierobezotu atbildibu DELSKA Latvia
AS13000	Leon Sp. z o.o.
AS13030	Init7 (Switzerland) Ltd.
AS13101	TNG Stadtnetz GmbH
AS13150	CATO NETWORKS LTD
AS131958	Tama Cable Network Co.,Ltd.
AS132337	Axclusive
AS13237	euNetworks GmbH
AS13285	TalkTalk Communications Limited
AS132876	Symphony Communication (Thailand) PCL.
AS13289	Krick Management GmbH trading as iWelt GmbH + Co. KG
AS13335	Cloudflare, Inc.
AS133613	MTel telecommunication company ltd.
AS134078	NETPLUZ HOLDINGS PRIVATE LIMITED
AS135391	AOFEI DATA INTERNATIONAL COMPANY LIMITED
AS136907	HUAWEI CLOUDS
AS137182	BLUE WIRELESS PTE LTD
AS137409	GSL Networks Pty LTD
AS139341	ACE
AS139628	Mega Truenet Communication Co., Ltd.
AS13984	SD Data Center
AS14061	DigitalOcean, LLC
AS14537	Continent 8 LLC
AS14593	Space Exploration Technologies Corporation
AS14630	Invesco Group Services, Inc.
AS14840	BR.Digital Telecom
AS14907	Wikimedia Foundation Inc.
AS15169	Google LLC
AS15435	DELTA Fiber Nederland B.V.
AS15447	CM.com N.V.
AS15562	Job Snijders
AS15576	NTS workspace AG
AS15605	Connesi s.p.a.
AS15695	Expereo International BV
AS15703	TrueServer BV AS number
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.
AS15895	"Kyivstar" PJSC
AS15943	wilhelm.tel GmbH
AS15958	CETINdoo-NET
AS15966	Emango Internet Services B.V.
AS15967	Nazwa.pl Sp.z.o.o.
AS16265	LeaseWeb Network B.V.
AS16276	OVH SAS
AS16278	Accenture B. V.
AS16298	InterBox Internet
AS16509	Amazon.com, Inc.
AS16552	Tiggee LLC
AS16909	imput
AS17494	Telecom Operator & Internet Service Provider as well
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
AS1820	WNET TELECOM USA Corp.
AS1828	Unitas Global
AS18678	INTERNEXA S.A. E.S.P
AS19551	Incapsula Inc
AS196752	Tilaa B.V.
AS19679	Dropbox, Inc.
AS196922	Hofmeir Media GmbH
AS196925	AZERTELECOM LLC
AS196954	Epcan GmbH
AS19711	SWAZILAND PTC
AS197440	Consiglio Nazionale delle Ricerche
AS197727	KPN B.V.
AS197731	The Internet Engineering Group B.V.
AS197790	Actus S.A.
AS197981	BSO Network Solutions SAS
AS198046	DIDWW Ireland Limited
AS198089	IP Visie Networking B.V.
AS198150	SIACOM JSC
AS198468	Gijsbertus Henricus van Gemert trading as DutchIS
AS198651	HOSTLINE, UAB
AS198792	DSTORAGE s.a.s.
AS198930	Vereinigte Stadtwerke Media GmbH
AS198967	BITel Gesellschaft fuer Telekommunikation mbH

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ASN API & Database

Upstreams

There are 4 upstreams for this ASN.

upstreams	Name
AS2914	NTT America, Inc.
AS3257	GTT Communications Inc.
AS6461	Zayo Bandwidth
AS6939	Hurricane Electric LLC

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ASN API & Database

Downstreams

There are 35 downstreams for this ASN.

Downstreams	Name
AS12902	Luna.nl B.V.
AS15562	Job Snijders
AS199670	DNS.be Anycast - Toplevel .be domain registry
AS201995	EINDHOVEN FIBER EXCHANGE B.V.
AS202656	Ivanov Vitaliy Sergeevich
AS205668	Green Mini host BV
AS207179	WilroffReitsma B.V.
AS20953	Info.nl Holding B.V.
AS210449	SkyRENT B.V.
AS213577	Monta Services BV
AS213773	Bluem B.V.
AS214423	Micro-Star Netherlands Holding B.V.
AS214988	McCloud.nl B.V.
AS24642	Caveo Internet BV
AS2914	NTT America, Inc.
AS31019	Meanie Heavy Industries
AS3257	GTT Communications Inc.
AS35027	SEVENP B.V.
AS35421	Pink Elephant B.V.
AS39855	Mod Mission Critical LLC
AS399810	UnitedLayer, LLC
AS42703	ICT Combinatie B.V.
AS50119	Smith Computer Centrum Computers BV
AS50559	Stichting Dutch Institute for Vulnerability Disclosure
AS52102	Tribion B.V.
AS52199	Stichting Arkin
AS57129	GidPro BV
AS60131	High5! B.V.
AS60358	McCloud.nl B.V.
AS60479	Exclusief.net BV
AS64404	Stichting EventInfra
AS6461	Zayo Bandwidth
AS6939	Hurricane Electric LLC
AS8298	IPng Networks GmbH
AS973	Revive IT Solutions LLC

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
5.10.192.4	AS51088 A2B IP B.V.	`0.39ms` from Amsterdam, NL
193.169.109.1	AS51088 A2B IP B.V.	`3.11ms` from Amsterdam, NL
185.30.205.15	AS51088 A2B IP B.V.	`3.37ms` from Amsterdam, NL
185.44.247.114	AS51088 A2B IP B.V.	`0.71ms` from Amsterdam, NL
2a14:12c0:dc1:8800::443:1	AS51088 A2B IP B.V.	`0.61ms` from Amsterdam, NL
185.40.254.33	AS51088 A2B IP B.V.	`0.26ms` from Amsterdam, NL
91.213.13.1	AS51088 A2B IP B.V.	`0.37ms` from Amsterdam, NL
46.244.121.1	AS51088 A2B IP B.V.	`0.31ms` from Amsterdam, NL
185.217.118.2	AS51088 A2B IP B.V.	`0.45ms` from Amsterdam, NL
192.166.99.53	AS51088 A2B IP B.V.	`2.33ms` from Amsterdam, NL
2a06:2602:84:0:aa42:a1ff:fe83:a564	AS51088 A2B IP B.V.	`7.17ms` from Amsterdam, NL
2a02:1668:110::79	AS51088 A2B IP B.V.	`0.35ms` from Amsterdam, NL
46.244.126.33	AS51088 A2B IP B.V.	`0.38ms` from Amsterdam, NL
178.249.154.14	AS51088 A2B IP B.V.	`0.31ms` from Amsterdam, NL
46.244.5.145	AS51088 A2B IP B.V.	`0.28ms` from Amsterdam, NL
2a12:4180:870::250	AS51088 A2B IP B.V.	`0.65ms` from Amsterdam, NL
185.225.222.164	AS51088 A2B IP B.V.	`0.66ms` from Amsterdam, NL
185.41.125.1	AS51088 A2B IP B.V.	`1.87ms` from Amsterdam, NL
185.46.173.66	AS51088 A2B IP B.V.	`0.36ms` from Amsterdam, NL
46.244.9.81	AS51088 A2B IP B.V.	`0.78ms` from Amsterdam, NL
2a02:166b:a6:0:be24:11ff:fef5:1886	AS51088 A2B IP B.V.	`3.94ms` from Amsterdam, NL
185.30.204.207	AS51088 A2B IP B.V.	`3.55ms` from Amsterdam, NL
62.3.55.65	AS51088 A2B IP B.V.	`1.85ms` from Amsterdam, NL
185.225.220.42	AS51088 A2B IP B.V.	`0.69ms` from Amsterdam, NL
185.41.124.1	AS51088 A2B IP B.V.	`1.91ms` from Amsterdam, NL

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
108.45.49.96	AS701 Verizon Business	`1.92ms` from Ashburn, US
93.116.69.160	AS8926 Moldtelecom SA	`3.40ms` from Chisinau, MD
100.42.144.112	AS20030 Artelco	`12.30ms` from Dallas, US
217.228.207.16	AS3320 Deutsche Telekom AG	`2.71ms` from Frankfurt am Main, DE
223.17.186.192	AS9304 HGC Global Communications Limited	`1.52ms` from Hong Kong, HK
47.157.206.48	AS5650 Frontier Communications of America, Inc.	`2.42ms` from Los Angeles, US
134.129.0.0	AS19530 State of North Dakota, ITD	`6.77ms` from Minneapolis, US
52.55.239.192	AS14618 Amazon.com, Inc.	`0.21ms` from Reston, US
189.95.200.144	AS22085 Claro S/A	`12.43ms` from Sao Paulo, BR
96.54.153.240	AS6327 Shaw Communications	`5.83ms` from Seattle, US
49.166.228.160	AS17858 LG POWERCOMM	`3.34ms` from Seoul, KR
115.10.218.80	AS4766 Korea Telecom	`3.88ms` from Seoul, KR
218.148.151.16	AS4766 Korea Telecom	`1.31ms` from Seoul, KR
106.54.184.144	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.30ms` from Shanghai, CN
177.32.221.128	AS28573 Claro NXT Telecomunicacoes Ltda	`5.61ms` from São Paulo, BR
81.221.129.112	AS1836 green.ch AG	`2.13ms` from Zuerich, CH
100.20.151.112	AS16509 Amazon.com, Inc.	`0.19ms` from Boardman, US
20.141.24.48	AS8070 Microsoft Corporation	`0.63ms` from Boydton, US
109.56.173.240	AS44034 Hi3G Access AB	`6.26ms` from Copenhagen, DK
192.38.59.144	AS1835 Forskningsnettet - Danish network for Research and Education	`10.84ms` from Falkenberg, SE
223.6.190.64	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`4.57ms` from Hangzhou, CN
31.50.119.128	AS2856 British Telecommunications PLC	`2.84ms` from London, GB
173.21.220.144	AS30036 Mediacom Communications Corp	`14.48ms` from Minneapolis, US
13.208.178.224	AS16509 Amazon.com, Inc.	`0.61ms` from Osaka, JP
83.115.177.208	AS3215 Orange S.A.	`9.13ms` from Paris, FR

Traceroute

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

traceroute -a -n -q1 -f2 31.134.202.50

traceroute to 31.134.202.50 (31.134.202.50): 64 hops max, 52 byte packets

2 [AS56911] 185.169.236.216 0.401 ms

3 [AS51088] 31.134.202.50 0.466 ms

Measurement taken from

IPinfo ProbeNet in Amsterdam, NL

On December 14th 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 AS51088 at robtex.

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