The IP API The IP API
// ASN

AS51088

A2B, NL

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS51088
Organization
NL-A2BIP3-20101228
Description
A2B, NL
Country
NL
Registry (RIR)
RIPE
Created
2021-08-15
Updated
2025-08-12
IPv4 Prefixes
57
IPv6 Prefixes
19

IPv4 Prefixes

57 total · showing first 10
146.19.97.0/24
178.211.151.0/24
178.249.152.0/21
185.205.52.0/22
185.217.118.0/24
185.218.207.0/24
185.225.220.0/22
185.240.112.0/22
185.30.204.0/22
185.34.220.0/22

IPv6 Prefixes

19 total · showing first 10
2001:67c:1064::/48
2001:67c:eb0::/48
2a01:77e0::/32
2a02:1668::/32
2a02:166a::/32
2a02:166b::/32
2a02:2738::/32
2a04:6dc0::/32
2a05:2900::/29
2a06:2602::/32

What is AS51088?

AS51088 is an Autonomous System Number (ASN) assigned to NL-A2BIP3-20101228. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

Looking for more ASN data?

Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.