AS28725 CETIN-AS CETIN a.s.
🇨🇿Org handle: ORG-EPss1-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
11total
9 IPv42 IPv6
IPv4 Addresses
Allocated (RIR)133,632
Announced (BGP)265,472
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)7.1×10²⁹
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
10
Country
🇨🇿 CZRIR
RIPE NCCStatus
allocated
Allocated
2003-02-10
Routing hygiene
Score 7/100 · Low riskRPKI ROA coverage
90.9%
no RPKI invalid prefixes
IRR route objects
90.9%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
4
diversity 68/100
- 9% of announced prefixes (1 of 11) have no valid ROA
Based on 11 announced prefixes, updated daily (2026-10-19). How the score works · RPKI explained
Announced Prefixes
(BGP)11|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 |
1-10 of 11
1 / 2
Allocated Prefixes
(RIR)6Prefix | Country | RIR | Status |
|---|---|---|---|
| 80.78.150.0/24 | 🇨🇿 CZ | RIPE | assigned |
| 85.162.0.0/15 | 🇨🇿 CZ | RIPENCC | allocated |
| 194.50.64.0/22 | 🇨🇿 CZ | RIPENCC | assigned |
| 194.147.12.0/22 | 🇨🇿 CZ | RIPENCC | allocated |
| 212.96.180.0/24 | 🇨🇿 CZ | RIPE | assigned |
| 2a07:1f40::/29 | 🇨🇿 CZ | RIPENCC | allocated |
All 11 announced prefixes of AS28725 →
BGP Neighbours
(seen in AS paths)Upstreams (4)
Networks AS28725 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (29)
Networks whose own prefixes AS28725 passes on: usually its customers.
- AS203645RYZNAR Jan Ryznar27
- AS24641FASTER CZ Spol. S R.O9
- AS52029ASNOVOSEDLY Palanet S.R.O9
- AS206438MXNET MX NET Telekomunikace S.R.O9
- AS206177Sitepark S.R.O8
- AS35613NETDATACOMM FASTER CZ Spol. S R.O6
- AS50784Intraweb Servis S.R.O6
- AS56566SATT A.S6
- AS196952ASBEZVANET BEZVANET S.R.O4
- AS48364ACVYSKOV Pe3ny Net S.R.O3
- AS57294Internet Expert CZ Internet Expert S.R.O3
- AS57560ASXLNET XLNET S.R.O3
- AS198248ASCSERVIS Richard Filip3
- AS35046OMEGAPLUS OMEGA Plus Chrudim S.R.O2
- AS51382COMANET NETWORK Ing. Leos Janouch2
- AS57288ASSTAMPI StaMPi, Spol. S R.O2
- AS57825MoravanyNET S.R.O2
- AS198346NETFORMS S.R.O2
- AS201265ANAFRA A.S2
- AS209947Mwifi M Wifi Internet S.R.O2
- AS212859KronosNet KXCOMM S.R.O2
- AS212975TEAMCITY S.R.O2
- AS213559Asmybv1 MyOffice, S.R.O2
- AS51420CYRILEK Cyrilek.Net Z.S1
- AS56427ASHRADIL Michal Hradil1
- AS196849ASBARTYSOVA MO BYRTUS S.R.O1
- AS197565ASDIGISERVICE NHK Solutions S.R.O1
- AS204351NAM System, A.S1
- AS205619ASVESNET Jiri Chalabala1
Abuse Contact
+31205354444
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/28725Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/28725" | jq