AS51257
CERIZ SASU
AS51257 is CERIZ SASU (ceriz.fr). It announces 256 IPv4 addresses in 1 prefix, and 2 IPv6 prefixes.
France· RIPE NCC· allocated 2016-01-05· Hosting
256
IPv4 addresses announced
1
IPv4 prefix
2
IPv6 prefixes
100.00%
of its routes RPKI-valid
256
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.
- France256 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CERIZ
- name
- CERIZ SASU
- org
- ORG-CS398-RIPE
- org name
- CERIZ SASU
- org address
- 16, rue Ampère, 95300, Pontoise, FRANCE
- org country
- FR
- country
- FR
- source
- ripe
- status
- ASSIGNED
- created
- 2016-01-05
- updated
- 2024-01-27
- maintainer
- RIPE-NCC-END-MNT|MNT-CERIZ
- abuse name
- Abuse-C Role
- abuse email
- jerome@fair-telecom.fr
- 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.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 1.17%
- None here
- 1.17%
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 171.22.146.0/24 | France | Valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
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