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AS51088

A2B IP B.V.

AS51088 is A2B IP B.V. (a2b-internet.com). It announces 30,976 IPv4 addresses in 57 prefixes, and 19 IPv6 prefixes.

The Netherlands· RIPE· allocated 2010-05-28· isp

30,976
IPv4 addresses announced
57
IPv4 prefixes
19
IPv6 prefixes
86.30%
of its routes RPKI-valid
30,976
of its IPv4 geolocated
2
countries

Where its space is

The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.

  1. The Netherlands30,696 · 99.10%
  2. Belgium280 · 0.90%

Registry record

Its ASN Whois record, as the registry publishes it.

handle
A2B
name
A2B IP B.V.
org
ORG-AIB25-RIPE
org name
A2B IP B.V.
org address
Science Park 402, 1098 XH, Amsterdam, NETHERLANDS
org country
NL
country
NL
source
ripe
status
ASSIGNED
created
2010-05-28
updated
2026-01-20
remarks
AMS-IX peering / AMS-IX route server policy / A2B Internet customers / Transits / Basic Interconnection Requirements / The following is required to share a BGP session with / AS51088: / - The customer's gateway router must be using BGP v4. / - The customer must use a RIR assigned ASN. / - The customer must have its customer-routes registered with / an instance of the IRR. Its 'as-set' must include the ASNs / originating routes and for each route exported a relevant / 'route' object is required. / - The cust
maintainer
RIPE-NCC-END-MNT|A2B-INTERNET-MNT
abuse name
A2B Internet Role-Object
abuse email
abuse@a2b-internet.com
abuse phone
+31 85 902 0410
abuse kind
role

What the databases see

Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.

IPv4 prefixes

Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.

57 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
5.10.192.0/24The Netherlandsvalid172026-10-02
31.41.255.0/24The Netherlandsvalid172026-10-02
31.134.200.0/21The Netherlandsvalid172026-10-02
45.85.191.0/24The Netherlandsvalid172026-10-02
46.175.131.0/24The Netherlandsvalid172026-10-02
46.244.0.0/21The Netherlandsvalid172026-10-02
46.244.8.0/22The Netherlandsvalid172026-10-02
46.244.12.0/23The Netherlandsvalid172026-10-02
46.244.14.0/23The Netherlandsvalid172026-10-02
46.244.16.0/23The Netherlandsvalid172026-10-02
46.244.20.0/24The Netherlandsvalid172026-10-02
46.244.21.0/24The Netherlandsvalid172026-10-02
46.244.22.0/24The Netherlandsvalid172026-10-02
46.244.23.0/24The Netherlandsvalid172026-10-02
46.244.24.0/22The Netherlandsvalid172026-10-02
46.244.28.0/24The Netherlandsvalid172026-10-02
46.244.29.0/24The Netherlandsvalid172026-10-02
46.244.30.0/24The Netherlandsvalid172026-10-02
46.244.31.0/24The Netherlandsvalid172026-10-02
46.244.100.0/22The Netherlandsvalid172026-10-02
46.244.104.0/22The Netherlandsvalid172026-10-02
46.244.112.0/23The Netherlandsvalid172026-10-02
46.244.120.0/23The Netherlandsvalid172026-10-02
46.244.122.0/23The Netherlandsvalid172026-10-02
46.244.124.0/23The Netherlandsvalid172026-10-02
46.244.126.0/24The Netherlandsvalid172026-10-02
46.244.127.0/24Belgiumvalid172026-10-02
62.3.55.0/24The Netherlandsvalid172026-10-02
62.68.84.0/24The Netherlandsvalid172026-10-02
91.213.13.0/24The Netherlandsvalid172026-10-02
93.93.120.0/21The Netherlandsnot found172026-10-02
93.190.124.0/24The Netherlandsnot found172026-10-02
146.19.97.0/24The Netherlandsvalid172026-10-02
178.211.151.0/24The Netherlandsnot found172026-10-02
178.249.152.0/21The Netherlandsvalid172026-10-02
185.30.204.0/22The Netherlandsnot found172026-10-02
185.34.220.0/22The Netherlandsnot found172026-10-02
185.37.4.0/23The Netherlandsvalid172026-10-02
185.37.6.0/24The Netherlandsvalid172026-10-02
185.40.254.0/24The Netherlandsnot found172026-10-02
185.41.124.0/22The Netherlandsvalid172026-10-02
185.44.244.0/22also AS12902The Netherlandsvalid72026-10-02
185.46.173.0/24The Netherlandsvalid172026-10-02
185.51.52.0/23The Netherlandsvalid172026-10-02
185.63.244.0/22The Netherlandsvalid172026-10-02
185.205.52.0/22The Netherlandsvalid172026-10-02
185.217.118.0/24The Netherlandsvalid172026-10-02
185.218.207.0/24The Netherlandsvalid172026-10-02
185.225.220.0/22also AS12902The Netherlandsvalid72026-10-02
185.240.112.0/22also AS12902The Netherlandsvalid72026-10-02
188.95.143.0/24The Netherlandsvalid172026-10-02
192.166.96.0/22The Netherlandsvalid172026-10-02
193.39.250.0/24The Netherlandsvalid172026-10-02
193.108.238.0/24The Netherlandsvalid172026-10-02
193.110.189.0/24The Netherlandsnot found172026-10-02
193.169.108.0/23The Netherlandsnot found172026-10-02
212.24.126.0/24The Netherlandsvalid172026-10-02

IPv6 prefixes

Every IPv6 prefix BGP Route saw it announce.

19 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
2001:67c:eb0::/48The Netherlandsvalid202026-10-02
2001:67c:1064::/48The Netherlandsvalid202026-10-02
2a01:77e0::/32The Netherlandsvalid202026-10-02
2a02:1668::/32The Netherlandsvalid202026-10-02
2a02:166a::/32The Netherlandsvalid202026-10-02
2a02:166b::/32The Netherlandsvalid202026-10-02
2a02:2738::/32The Netherlandsnot found202026-10-02
2a04:6dc0::/32The Netherlandsnot found202026-10-02
2a05:2900::/29The Netherlandsvalid202026-10-02
2a06:2602::/32The Netherlandsvalid202026-10-02
2a0a:e80::/29The Netherlandsvalid202026-10-02
2a0b:1c0::/29The Netherlandsvalid202026-10-02
2a0f:ba00::/29The Netherlandsvalid202026-10-02
2a0f:d440::/29The Netherlandsvalid202026-10-02
2a12:4180::/29The Netherlandsvalid202026-10-02
2a13:800::/29The Netherlandsvalid202026-10-02
2a13:2c00::/29The Netherlandsvalid202026-10-02
2a13:3400::/29The Netherlandsvalid202026-10-02
2a14:12c0::/32The Netherlandsvalid202026-10-02
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