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ASN Lookup Tool
AS51088 A2B IP B.V.

An Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.

ASN Lookup for:

AS51088

Powered By:
ASN Extended Info API
BGP Active Prefixes API
ASN Details JSON View

ASN Details

ASN
AS51088
Organisation
A2B IP B.V.
AS Name
A2B
IPv4 Addresses Announced
37,614
IPv4 Prefixes Announced
54
IPv6 Prefixes Announced
1,782
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,744 out of 75,566
Registry
Ripe
Registered Country
NL flag NL
Registration Date
2010-05-28
Registration Change
2022-12-22

Receiving From

ASN
Organisation
ASN
AS41805
Organisation
IQ flag SAWAD LAND for Information Technology Ltd
ASN
AS6777
Organisation
NL flag Amsterdam Internet Exchange B.V.
ASN
AS56662
Organisation
PL flag Marcin Gondek
ASN
AS1239
Organisation
US flag Sprint
ASN
AS2914
Organisation
US flag NTT America, Inc.
ASN
AS1103
Organisation
ZZ flag SURF B.V.
ASN
AS3257
Organisation
US flag GTT Communications Inc.
ASN
AS3303
Organisation
CH flag Swisscom (Schweiz) AG
ASN
AS6057
Organisation
UY flag Administracion Nacional de Telecomunicaciones
ASN
AS8220
Organisation
GB flag COLT Technology Services Group Limited
Showing 10 of 48 Results View More >

Transit To

ASN
Organisation
ASN
AS37277
Organisation
ZA flag Limelight Networks
ASN
AS61180
Organisation
NL flag A2B IP B.V.
ASN
AS202427
Organisation
CH flag Ursin Filli
ASN
AS211024
Organisation
IE flag Jack O'Sullivan
ASN
AS210645
Organisation
PL flag DOMINIK DOBROWOLSKI
ASN
AS200299
Organisation
GB flag BaseServ Limited
ASN
AS212294
Organisation
ES flag Mario Gomez Canadas
ASN
AS209022
Organisation
GB flag Tschajera Limited
ASN
AS50224
Organisation
GB flag Material Global Limited
ASN
AS209718
Organisation
BE flag Jori Vanneste
Showing 10 of 1,072 Results View More >

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix
109.107.153.0/24
Range From
109.107.153.0
Range To
109.107.153.255
Prefix
146.19.97.0/24
Range From
146.19.97.0
Range To
146.19.97.255
Prefix
178.249.152.0/22
Range From
178.249.152.0
Range To
178.249.155.255
Prefix
178.249.156.0/24
Range From
178.249.156.0
Range To
178.249.156.255
Prefix
178.249.158.0/23
Range From
178.249.158.0
Range To
178.249.159.255
Prefix
185.168.142.0/24
Range From
185.168.142.0
Range To
185.168.142.255
Prefix
185.181.84.0/22
Range From
185.181.84.0
Range To
185.181.87.255
Prefix
185.205.52.0/22
Range From
185.205.52.0
Range To
185.205.55.255
Prefix
185.225.220.0/22
Range From
185.225.220.0
Range To
185.225.223.255
Prefix
185.240.112.0/22
Range From
185.240.112.0
Range To
185.240.115.255
Showing 10 of 54 Results View More >

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix
2001:1be8:3f03:713::/64
Range From
2001:1be8:3f03:713::
Range To
2001:1be8:3f03:713:ffff:ffff:ffff:ffff
Prefix
2001:668:0:3:ffff:1:0:e84/126
Range From
2001:668:0:3:ffff:1:0:e84
Range To
2001:668:0:3:ffff:1:0:e87
Prefix
2001:67c:1064::/48
Range From
2001:67c:1064::
Range To
2001:67c:1064:ffff:ffff:ffff:ffff:ffff
Prefix
2001:728:0:5000::180/126
Range From
2001:728:0:5000::180
Range To
2001:728:0:5000::183
Prefix
20a2:1668:a2b:1023::/126
Range From
20a2:1668:a2b:1023::
Range To
20a2:1668:a2b:1023::3
Prefix
2a00:86c0:f:15d::/126
Range From
2a00:86c0:f:15d::
Range To
2a00:86c0:f:15d::3
Prefix
2a00:86c0:f:15e::/126
Range From
2a00:86c0:f:15e::
Range To
2a00:86c0:f:15e::3
Prefix
2a01:77e0::/32
Range From
2a01:77e0::
Range To
2a01:77e0:ffff:ffff:ffff:ffff:ffff:ffff
Prefix
2a02:1668::/32
Range From
2a02:1668::
Range To
2a02:1668:ffff:ffff:ffff:ffff:ffff:ffff
Prefix
2a02:166b::/32
Range From
2a02:166b::
Range To
2a02:166b:ffff:ffff:ffff:ffff:ffff:ffff
Showing 10 of 1,783 Results View More >