Autonomous System details

AS51088

A2B IP B.V. · a2b-internet.com

Netherlands

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AS51088 – A2B IP B.V.

Field	Value
Country	Netherlands
Website	a2b-internet.com
Hosted domains	16,028
IPv4 addresses	35,584
IPv6 addresses	7,051,308,881,621,165,271,258,400,000,000
ASN type	Hosting
Registry	ripe
Allocated	16 years ago on May 28, 2010
Updated	3 months ago on Jan 20, 2026

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
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	Shioda Holding BV	1,024
185.41.124.0/22	mijnpartnergroep.nl VOF	1,024
185.44.244.0/22	Ekco 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	Ekco B.V.	1,024
185.240.112.0/22	Ekco 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	DC1.AMSTERDAM Cooperatie U.A.	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
185.217.118.0/24	Wild ICT BV	256
185.218.207.0/24	DC1.AMSTERDAM Cooperatie U.A.	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	Ekco 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 16,028 domain names hosted across 571 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
185.41.127.160	██████████	991
185.41.127.161	██████████	501
185.41.127.11	██████████	368
178.249.155.140	██████████	288
31.134.206.96	██████████	284
31.134.206.108	██████████	280
31.134.201.106	██████████	247
193.39.250.190	██████████	221
192.166.99.66	██████████	184
185.41.126.39	██████████	177

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Hosted Domains API & Database

Peers

There are 251 peers for this ASN.

Peers	Name
AS1031	PEER 1031 LLC
AS10310	Yahoo Holdings Inc.
AS1103	SURF B.V.
AS1126	Vancis Advanced ICT Services
AS11967	Hop179 OU
AS12399	q.beyond AG
AS12414	Solcon Internetdiensten B.V.
AS12859	BIT BV
AS12902	Ekco B.V.
AS13030	Init7 (Switzerland) Ltd.
AS13101	TNG Stadtnetz GmbH
AS13285	TalkTalk Communications Limited
AS13335	Cloudflare, Inc.
AS14061	DigitalOcean, LLC
AS14840	BR.Digital Telecom
AS15169	Google LLC
AS15435	DELTA Fiber Nederland B.V.
AS15562	Job Snijders
AS15703	TrueServer BV AS number
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.
AS16265	LeaseWeb Network B.V.
AS16276	OVH SAS
AS16298	InterBox Internet
AS16509	Amazon.com, Inc.
AS1820	WNET TELECOM USA Corp.
AS19679	Dropbox, Inc.
AS198150	SIACOM JSC
AS199524	G-Core Labs S.A.
AS199670	DNS.be Anycast - Toplevel .be domain registry
AS200132	Peter-Paul Maria Kurstjens
AS200232	T. van den Heuvel Holding B.V.
AS200993	NyaNet
AS201995	EINDHOVEN FIBER EXCHANGE B.V.
AS202427	Ursin Filli
AS202562	Aperture Networks
AS202573	Valentin Girard
AS202585	bgp.rodeo
AS202656	Ivanov Vitaliy Sergeevich
AS204464	NextHost - Hosting Provider (DE)
AS204539	AXIC (Axivora Connect Ltd)
AS20495	We Dare B.V.
AS20562	Broadband Hosting B.V.
AS205668	Green Mini host BV
AS205941	Lungu Stefan Gabriel
AS206033	Repox Labs Ltd
AS206238	Freedom Internet BV
AS206264	Amarutu Technology Ltd
AS206389	Menno van Krimpen trading as Libernet
AS207176	OPENFIBER B.V.
AS207179	WilroffReitsma B.V.
AS207489	RDK IT Solutions B.V.
AS207529	NYANLOLI LTD
AS207994	Blockchain Creek B.V.
AS208501	Tim Schoondergang trading as TIMMIT.NL
AS208824	Pau Cab
AS209267	Velorum B.V.
AS20940	Akamai International B.V.
AS20953	Info.nl Holding B.V.
AS209823	Enki Multimedia EURL
AS210449	SkyRENT B.V.
AS210890	ROKR Services BV
AS211251	A1 Internet BV
AS211358	Patrizio Palumbo
AS211623	NAML B.V.
AS211713	Connectium B.V.
AS211786	KaasHosting B.V.
AS2119	Telenor Norge AS
AS212232	Port 179 LTD
AS212477	RoyaleHosting BV
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS212591	N1 Solutions B.V. trading as PLTFRMS
AS21263	TeleData GmbH
AS212635	AS212635 Network
AS212855	LUJE.net
AS213035	Serverion B.V.
AS213052	Bram Wittendorp trading as BittenBytes
AS213124	zylinktech LLC
AS213409	Daniil Koval
AS213413	Michal Pawski
AS213449	Jann-Ole Wagenaar
AS213577	Monta Services BV
AS213605	Liu HaoRan
AS213753	InterEdge B.V.
AS213773	Bluem B.V.
AS214128	Ofek U. Havia
AS214279	DASABO OU
AS214630	Kyberorg IT OU
AS214675	Starlamp Network Project
AS214809	Jere Kiitola trading as Stocade
AS214929	Lukas Wenzl trading as LastResponse
AS214988	McCloud.nl B.V.
AS215147	Schleyer-EDV UG
AS215248	Bastiaan Mathijs Brink
AS216078	Liam Kremer
AS216182	Jorn Dullemans trading as Devcat
AS216198	LIN ZE YANG
AS216418	Filippo Sacco Comis Dell'Oste
AS22356	Durand do Brasil Ltda
AS24482	SG.GS
AS24642	Caveo Internet BV

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ASN API & Database

Upstreams

There are 5 upstreams for this ASN.

upstreams	Name
AS2914	NTT America, Inc.
AS3257	GTT Communications Inc.
AS6461	Zayo Bandwidth
AS6939	Hurricane Electric LLC
AS8455	atom86 BV

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ASN API & Database

Downstreams

There are 32 downstreams for this ASN.

Downstreams	Name
AS12902	Ekco 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.
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.
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
AS8298	IPng Networks GmbH
AS973	Revive IT Solutions LLC

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
46.244.16.129	AS51088 A2B IP B.V.	`0.81ms` from Amsterdam, NL
31.134.205.162	AS51088 A2B IP B.V.	`0.34ms` from Amsterdam, NL
185.40.254.1	AS51088 A2B IP B.V.	`0.26ms` from Amsterdam, NL
46.244.106.18	AS51088 A2B IP B.V.	`1.62ms` from Amsterdam, NL
2a02:1668:110::79	AS51088 A2B IP B.V.	`0.32ms` from Amsterdam, NL
2a02:166b:df::1	AS51088 A2B IP B.V.	`1.03ms` from Amsterdam, NL
46.244.105.5	AS51088 A2B IP B.V.	`0.29ms` from Amsterdam, NL
185.41.125.1	AS51088 A2B IP B.V.	`1.92ms` from Amsterdam, NL
193.169.108.10	AS51088 A2B IP B.V.	`2.91ms` from Amsterdam, NL
193.39.250.2	AS51088 A2B IP B.V.	`0.33ms` from Amsterdam, NL
46.244.15.61	AS51088 A2B IP B.V.	`1.56ms` from Amsterdam, NL
2a02:166b:d0:0:d63d:f3ff:fe7c:a730	AS51088 A2B IP B.V.	`4.27ms` from Amsterdam, NL
2a02:166b:71:0:2e91:abff:fed8:aad4	AS51088 A2B IP B.V.	`6.87ms` from Amsterdam, NL
2a12:4180:870::12	AS51088 A2B IP B.V.	`0.78ms` from Amsterdam, NL
46.244.14.178	AS51088 A2B IP B.V.	`0.67ms` from Amsterdam, NL
62.68.84.1	AS51088 A2B IP B.V.	`0.38ms` from Amsterdam, NL
46.244.121.9	AS51088 A2B IP B.V.	`0.34ms` from Amsterdam, NL
45.85.191.1	AS51088 A2B IP B.V.	`0.51ms` from Amsterdam, NL
31.134.207.66	AS51088 A2B IP B.V.	`0.34ms` from Amsterdam, NL
2001:67c:1064:91::1	AS51088 A2B IP B.V.	`0.70ms` from Amsterdam, NL
188.95.143.71	AS51088 A2B IP B.V.	`0.56ms` from Amsterdam, NL
46.244.28.135	AS51088 A2B IP B.V.	`0.99ms` from Amsterdam, NL
46.244.120.1	AS51088 A2B IP B.V.	`1.66ms` from Amsterdam, NL
46.244.21.8	AS51088 A2B IP B.V.	`135.45ms` from Amsterdam, NL
185.63.244.1	AS51088 A2B IP B.V.	`0.46ms` 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
185.24.129.240	AS60838 Jordan Islamic Bank Plc. Co.	`2.25ms` from Amman, JO
16.147.46.64	AS16509 Amazon.com, Inc.	`0.23ms` from Boardman, US
97.154.111.176	AS6167 Verizon Business	`10.56ms` from Dallas, US
14.237.187.160	AS45899 VNPT Corp	`4.79ms` from Ho Chi Minh City, VN
115.5.13.240	AS4766 Korea Telecom	`1.59ms` from Incheon, KR
184.174.117.128	AS21769 Colocation America Corporation	`0.27ms` from Los Angeles, US
134.129.0.0	AS19530 State of North Dakota, ITD	`6.75ms` from Minneapolis, US
86.201.147.144	AS3215 Orange S.A.	`11.69ms` from Paris, FR
203.232.46.112	AS4766 Korea Telecom	`4.36ms` from Seoul, KR
69.69.200.0	AS209 CenturyLink Communications, LLC	`13.20ms` from St. Louis, US
104.41.170.128	AS8075 Microsoft Corporation	`0.17ms` from Tokyo, JP
99.239.53.32	AS812 Rogers Communications Canada Inc.	`4.27ms` from Toronto, CA
61.0.198.224	AS9829 National Internet Backbone	`12.80ms` from Chennai, IN
192.63.65.208	AS11427 Charter Communications Inc	`18.53ms` from Dallas, US
73.113.73.64	AS7922 Comcast Cable Communications, LLC	`14.42ms` from Murfreesboro, US
72.89.190.192	AS701 Verizon Business	`3.10ms` from New York City, US
47.27.244.0	AS20115 Charter Communications LLC	`7.08ms` from San Jose, US
34.190.54.80	AS15169 Google LLC	`0.20ms` from Singapore, SG
114.165.19.160	AS4713 NTT DOCOMO BUSINESS,Inc.	`13.51ms` from Tokyo, JP
216.147.33.192	AS16509 Amazon.com, Inc.	`0.03ms` from Bangkok, TH
141.20.11.96	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	`1.09ms` from Berlin, DE
54.218.135.16	AS16509 Amazon.com, Inc.	`0.22ms` from Boardman, US
88.232.163.0	AS9121 Turk Telekomunikasyon Anonim Sirketi	`12.95ms` from Bursa, TR
172.202.123.176	AS8075 Microsoft Corporation	`0.21ms` from Des Moines, US
125.167.96.0	AS7713 PT Telekomunikasi Indonesia	`18.41ms` from Jakarta, ID

Traceroute

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

traceroute -a -n -q1 -f3 185.30.205.120

traceroute to 185.30.205.120 (185.30.205.120): 64 hops max, 52 byte packets

3 [] 185.0.1.89 0.359 ms

4 [AS51088] 46.244.0.23 2.687 ms

5 [AS51088] 185.30.205.120 2.052 ms

Measurement taken from

IPinfo ProbeNet in Amsterdam, NL

On April 13th 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 AS51088 at robtex.

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