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ASN Lookup Tool
AS51088 A2B

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS51088
Organisation
A2B IP B.V.
Name
A2B
Total IPv4 Addresses
39160
Total IPv4 Prefixes
56
Total IPv6 Prefixes
3981
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,595 out of 77,213
Registry
Ripe
Registered Country
NL flag NL
Registered Country Name
Netherlands (Kingdom of the)
Registered Date
2010-05-28
Registration Last Change
2023-04-24
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS41805
IQ flagSAWAD LAND for Information Technology Ltd
AS328832
ZA flagNetwork Platforms (PTY) LTD
AS56662
PL flagMarcin Gondek
AS1239
US flagSprint
AS3257
US flagGTT Communications Inc.
Showing 5 of 62
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS51078
FR flagZIOSTING SAS
AS61180
NL flagA2B IP B.V.
AS202427
CH flagUrsin Filli
AS56662
PL flagMarcin Gondek
AS200365
GB flagPossibly Lizards Limited
Showing 5 of 1032
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix5.10.192.0/24
Range From5.10.192.0
Range To5.10.192.255
Prefix5.44.72.0/22
Range From5.44.72.0
Range To5.44.75.255
Prefix5.44.76.0/23
Range From5.44.76.0
Range To5.44.77.255
Prefix5.44.78.0/24
Range From5.44.78.0
Range To5.44.78.255
Prefix31.41.255.0/24
Range From31.41.255.0
Range To31.41.255.255
Showing 5 of 56
IPv6 Active Prefixes
Prefix2001:668:0:3:ffff:1:0:e84/126
Range From2001:668:0:3:ffff:1:0:e84
Range To2001:668:0:3:ffff:1:0:e87
Prefix2001:67c:1064::/48
Range From2001:67c:1064::
Range To2001:67c:1064:ffff:ffff:ffff:ffff:ffff
Prefix2001:67c:208c::/64
Range From2001:67c:208c::
Range To2001:67c:208c:0:ffff:ffff:ffff:ffff
Prefix2001:67c:2f08:100::1:18/127
Range From2001:67c:2f08:100::1:18
Range To2001:67c:2f08:100::1:19
Prefix2001:728:0:5000::180/126
Range From2001:728:0:5000::180
Range To2001:728:0:5000::183
Showing 5 of 3981
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.