AS2852 - CESNET z.s.p.o.

Detailed information about the Autonomous System AS2852:

API Url https://api.ipapi.is/?q=AS2852
Status Active
Organization CESNET z.s.p.o.
Description CESNET2, CZ
Website cesnet.cz
Type education
Abuse E-Mail abuse@cesnet.cz
Whois https://api.ipapi.is/?whois=AS2852
Created 2002-06-22
Updated 2025-07-25
Country CZ

IPv4 Prefixes

Currently, there are 54 IPv4 prefixes for AS2852 - CESNET z.s.p.o. in the database. This amounts to 1,716,736 IPv4 addresses that are hosted on this ASN. The following list shows the first 25 IPv4 prefixes of the ASN. To obtain all prefixes, please purchase the full database 

78.128.128.0/17
146.102.0.0/16
147.32.0.0/16
147.33.0.0/16
147.228.0.0/16
147.230.0.0/16
147.230.17.0/24
147.231.0.0/16
147.251.0.0/16
158.194.0.0/16
158.196.0.0/16
160.216.0.0/16
160.217.0.0/16
185.8.160.0/22
193.84.32.0/20
193.84.53.0/24
193.84.55.0/24
193.84.56.0/21
193.84.80.0/22
193.84.104.0/22
193.84.116.0/23
193.84.160.0/20
193.84.192.0/19
193.84.192.0/20
193.84.208.0/20

IPv6 Prefixes

Currently, there are 4 IPv6 prefixes for AS2852 - CESNET z.s.p.o. in the database. This amounts to 1,426,106,925,256,758,000,000,000,000,000 IPv6 addresses that are hosted on this ASN. 

2001:718::/29
2001:718::/32
2001:718::/29
2001:718::/32

Raw WHOIS Record - AS2852 - CESNET z.s.p.o.