AS Data
AS57728| AS Number | 57728 |
|---|---|
| AS Name | CEZNET-AS |
| Organization | CEZNET s.r.o.(org-tbs13-ripe) |
| Country | CZ |
| Website | ceznet.cz |
| Number of IPv4 Routes | 5 |
| Number of IPv6 Routes | 3 |
| ASN type | ISP |
| Allocation Status | ASSIGNED |
| Registry | RIPE |
| Date Allocated | 2019-10-21 |
Use ASN data for AS57728 in automation: routing intelligence, peering analysis, ownership checks, and network observability.
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| Route | # IPs |
|---|---|
| 2a0a:b6c0::/32 | ~79×10²⁷ |
| 2a00:1800::/32 | ~79×10²⁷ |
| 109.234.40.0/21 | 2048 |
| 185.255.116.0/22 | 1024 |
| 81.25.16.0/21 | 2048 |
| 81.25.24.0/21 | 2048 |
| 2a00:1807::/32 | ~79×10²⁷ |
| 188.122.192.0/19 | 8192 |
% This is the RIPE Database query service. % The objects are in RPSL format. % % The RIPE Database is subject to Terms and Conditions. % See https://docs.db.ripe.net/terms-conditions.html % Note: this output has been filtered. % To receive output for a database update, use the "-B" flag. % Information related to 'AS57370 - AS57973' as-block: AS57370 - AS57973 descr: RIPE NCC ASN block remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region. mnt-by: RIPE-NCC-HM-MNT created: 2025-04-24T14:15:44Z last-modified: 2025-04-24T14:15:44Z source: RIPE % Information related to 'AS57728' % Abuse contact for 'AS57728' is 'dohled@ceznet.cz' aut-num: AS57728 as-name: CEZNET-AS org: ORG-TBS13-RIPE remarks: ---- NIX.CZ ---- import: from AS47200 accept ANY export: to AS47200 announce AS-SET-HELIOSMB remarks: ---- PEERING.CZ ---- import: from AS61195 accept ANY export: to AS61195 announce AS-SET-HELIOSMB remarks: ---- Telia ---- import: from AS1299 accept ANY export: to AS1299 announce AS-SET-HELIOSMB remarks: ---- TPS ---- import: from AS39791 accept ANY export: to AS39791 announce AS-SET-HELIOSMB remarks: ---- Superhosting.cz ---- import: from AS39392 accept ANY export: to AS39392 announce AS-SET-HELIOSMB remarks: ---- Cerberos ---- import: from AS42477 accept ANY export: to AS42477 announce AS-SET-HELIOSMB remarks: ---- 4NET ---- import: from AS198346 accept AS198346 export: to AS198346 announce AS-SET-HELIOSMB remarks: ---- CSC ---- import: from AS62298 accept AS62298 export: to AS62298 announce AS-SET-HELIOSMB remarks: ---- UPC ---- import: from AS6830 accept ANY export: to AS6830 announce AS57728 admin-c: CH13482-RIPE tech-c: CH13482-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: CEZNET-MNT created: 2019-10-21T06:50:54Z last-modified: 2025-09-26T09:55:20Z source: RIPE organisation: ORG-TBS13-RIPE org-name: CEZNET s.r.o. country: CZ org-type: LIR address: Duhova 1531/3 address: 140 00 address: Praha 4 address: CZECH REPUBLIC phone: +420 211 046 699 admin-c: CH13482-RIPE tech-c: CH13482-RIPE abuse-c: CH13482-RIPE mnt-ref: CEZNET-MNT mnt-by: RIPE-NCC-HM-MNT mnt-by: CEZNET-MNT created: 2017-04-26T07:50:49Z last-modified: 2024-12-04T11:15:31Z source: RIPE # Filtered role: CEZNET hostmaster address: CEZNET s.r.o. address: Vilemovska 1602 address: Tachov address: 347 01 address: The Czech Republic abuse-mailbox: dohled@ceznet.cz phone: +420 211 046 699 admin-c: MV6352-RIPE tech-c: KD4331-RIPE tech-c: MJ83172-RIPE nic-hdl: CH13482-RIPE mnt-by: CEZNET-MNT created: 2024-01-12T08:23:53Z last-modified: 2024-01-12T08:25:01Z source: RIPE # Filtered % This query was served by the RIPE Database Query Service version 1.121 (BUSA)
| AS Number | Description | Country |
|---|---|---|
| AS61195 | Peering.cz s.r.o. | CZ |
| AS42477 | RIPE Network Coordination Centre | NL |
| AS39392 | SH.cz s.r.o. | CZ |
| AS198346 | NETFORMS s.r.o. | CZ |
| AS1299 | Arelion Sweden AB | SE |
| AS39791 | Telco Pro Services, a. s. | CZ |
| AS6830 | Liberty Global Europe Holding B.V. | NL |
| AS47200 | NIX.CZ z.s.p.o. | CZ |
| AS62298 | Computer Systems Consulting s.r.o. | CZ |
| AS Number | Description | Country |
|---|---|---|
| AS39791 | Telco Pro Services, a. s. | CZ |