AS57943
AS57943
RIPE NCC
ISP
Data retrieved at
This AS-only summary is estimated from a sample IP within a prefix announced by this AS, not from a specific query. Search a real IP for exact details.
Network
AS Number
AS57943
Company
Holon SAS
Type
ISP
IPv4 Addresses
5,120
IPv6 Addresses
0
Registry (RIR)
RIPE NCC
37.157.128.0/21
Abuse Contacts
Announced Prefixes (3)
Netblock
Num. of IPs
RPKI
RPKI Origin Validation
RPKI verifies that an IP prefix is legitimately announced by the authorized Autonomous System (ASN) using Route Origin Authorizations (ROAs).
Unknown
No valid ROA was found for this prefix.
UNKNOWN
Validated Prefix
37.157.128.0/21
Authorized ASN
AS57943
IP Geolocation
Country
France
Continent
Europe
European Union
Yes
Phone prefix
+33
Currency
Euro (EUR €)
Approximate location (country-level)
Open in Maps