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AS43872

Optinet U.K. Limited

AS43872 is Optinet U.K. Limited (optinet.co.uk). It announces 10,496 IPv4 addresses in 20 prefixes, and 7 IPv6 prefixes.

United Kingdom· RIPE· allocated 2016-12-20· isp

10,496
IPv4 addresses announced
20
IPv4 prefixes
7
IPv6 prefixes
100.00%
of its routes RPKI-valid
10,496
of its IPv4 geolocated
1
country

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. United Kingdom10,496 · 100.00%

Registry record

Its ASN Whois record, as the registry publishes it.

handle
OPTINET
name
Optinet U.K. Limited
org
ORG-OUL4-RIPE
org name
Optinet U.K. Limited
org address
Floor 24 One Canada Square, E14 5AA, London, UNITED KINGDOM
org country
GB
country
GB
source
ripe
status
ASSIGNED
created
2016-12-20
updated
2025-11-28
maintainer
RIPE-NCC-END-MNT|uk-optinet-1-mnt
abuse name
Abuse-C Role
abuse email
abuse@optinet.co.uk
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.

20 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
5.253.252.0/22United Kingdomvalid172026-10-02
45.136.108.0/24United Kingdomvalid172026-10-02
84.38.246.0/24United Kingdomvalid172026-10-02
89.222.48.0/21United Kingdomvalid172026-10-02
89.222.56.0/22United Kingdomvalid172026-10-02
89.222.60.0/23United Kingdomvalid172026-10-02
89.222.62.0/23United Kingdomvalid172026-10-02
91.201.105.0/24United Kingdomvalid172026-10-02
92.118.111.0/24United Kingdomvalid172026-10-02
176.101.169.0/24United Kingdomvalid172026-10-02
185.183.20.0/22United Kingdomvalid172026-10-02
185.187.61.0/24United Kingdomvalid172026-10-02
185.253.176.0/22United Kingdomvalid172026-10-02
193.105.189.0/24United Kingdomvalid172026-10-02
193.247.94.0/24United Kingdomvalid172026-10-02
193.247.101.0/24United Kingdomvalid172026-10-02
193.247.103.0/24United Kingdomvalid172026-10-02
193.247.165.0/24United Kingdomvalid172026-10-02
195.234.28.0/24United Kingdomvalid172026-10-02
217.198.183.0/24United Kingdomvalid172026-10-02

IPv6 prefixes

Every IPv6 prefix BGP Route saw it announce.

7 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
2a0b:180::/29United Kingdomvalid202026-10-02
2a0d:1e80::/29United Kingdomvalid182026-10-02
2a10:c740::/29United Kingdomvalid202026-10-02
2a10:c7c0::/29United Kingdomvalid202026-10-02
2a10:c8c0::/29United Kingdomvalid202026-10-02
2a10:c9c0::/29United Kingdomvalid202026-10-02
2a10:cac0::/29United Kingdomvalid202026-10-02
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