AS39904 MERIT-AS MERIT GROUP a.s
🇨🇿Org handle: ORG-MGa7-RIPE
MERIT GROUP a.s.
RIPE NCCallocatedASPA Published
Announced Prefixes (BGP)
4total
3 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)4,292
Announced (BGP)4,096
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)7.9×10²⁸
Routing hygiene
Score 6/100 · Low riskRPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 38/100
- All announced prefixes have a valid ROA and a matching IRR route object
Based on 4 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained
Announced Prefixes
(BGP)4|
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 |
Allocated Prefixes
(RIR)15Prefix | Country | RIR | Status |
|---|---|---|---|
| 46.227.168.0/21 | 🇨🇿 CZ | RIPENCC | allocated |
| 46.227.168.0/27 | 🇨🇿 CZ | RIPE | assigned |
| 46.227.168.32/27 | 🇨🇿 CZ | RIPE | assigned |
| 46.227.168.64/27 | 🇨🇿 CZ | RIPE | assigned |
| 46.227.168.128/27 | 🇨🇿 CZ | RIPE | assigned |
| 46.227.168.252/30 | 🇨🇿 CZ | RIPE | assigned |
| 46.227.169.192/27 | 🇨🇿 CZ | RIPE | assigned |
| 46.227.173.32/27 | 🇨🇿 CZ | RIPE | assigned |
| 91.215.12.0/22 | 🇨🇿 CZ | RIPENCC | assigned |
| 195.189.0.0/22 | 🇨🇿 CZ | RIPENCC | assigned |
1-10 of 15
1 / 2
All 4 announced prefixes of AS39904 →
Upstream Providers(6)
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS47767 | 🇨🇿RCO-AS Regionalni centrum Olomouc s.r.o. |
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS39904 hands its own prefixes to: transit providers, or peers at an exchange.
- AS6855SK TELEKOM Slovak Telekom, A.S4
Downstreams (3)
Networks whose own prefixes AS39904 passes on: usually its customers.
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/39904Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/39904" | jq