AS42821 RAPIDNET-DE K&K Kommunikationssysteme GmbH
🇩🇪Org handle: ORG-KKG3-RIPE
Haunstetter Str. 19
RIPE NCCallocated
Announced Prefixes (BGP)
49total
47 IPv42 IPv6
IPv4 Addresses
Allocated (RIR)4,096
Announced (BGP)12,032
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)1.5×10²⁹
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
10
Country
🇩🇪 DERIR
RIPE NCCStatus
allocated
Allocated
2007-04-23
Routing hygiene
Score 70/100 · High riskRPKI ROA coverage
44.9%
27 prefixes RPKI invalid
IRR route objects
44.9%
27 prefixes registered for another origin
Hijack signals
17
12 announced against others' ROAs, 5 own announced by others
Upstreams
2
diversity 45/100
- Announces 12 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
- 55% of announced prefixes (27 of 49) have no valid ROA, 27 of them RPKI invalid
- 55% of announced prefixes (27 of 49) have no IRR route object for this ASN
- 5 prefixes of this ASN announced by another network against its ROAs
Based on 49 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained
Announced Prefixes
(BGP)49|
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 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
77.90.139.0/24MOAS | Invalid | - | 2026-10-26 |
| Valid | RIPE | 2026-10-26 |
1-10 of 49
1 / 5
Allocated Prefixes
(RIR)16Prefix | Country | RIR | Status |
|---|---|---|---|
| 77.90.130.0/24 | 🇩🇪 DE | RIPE | assigned |
| 77.90.139.0/24 | 🇩🇪 DE | RIPE | assigned |
| 77.90.140.0/24 | 🇩🇪 DE | RIPE | assigned |
| 77.90.143.0/24 | 🇩🇪 DE | RIPE | assigned |
| 77.90.144.0/24 | 🇩🇪 DE | RIPE | assigned |
| 77.90.166.0/24 | 🇺🇸 US | RIPE | assigned |
| 77.90.173.0/24 | 🇺🇸 US | RIPE | assigned |
| 77.90.182.0/24 | 🇺🇸 US | RIPE | assigned |
| 213.209.131.0/24 | 🇨🇭 CH | RIPE | assigned |
| 213.209.138.0/24 | 🇩🇪 DE | RIPE | assigned |
1-10 of 16
1 / 2
ASPA
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Abuse Contact
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
- ASPA explainedWhy AS42821 should publish an ASPA object
- 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/42821Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/42821" | jq