AS1149 SURFNET-AS SURF B.V.
🇳🇱Org handle: ORG-Sb3-RIPE
Tijdelijk uitgeleend aan UTWENTE voor onderzoek
RIPE NCCallocated
Announced Prefixes (BGP)
7total
4 IPv43 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)1,024
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)3.2×10²⁶
Routing hygiene
Score 10/100 · 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
1
diversity 0/100
- Only one upstream seen in the AS paths of its routes
Based on 7 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained
Announced Prefixes
(BGP)7|
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 | - | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | Other IRRRIPE | 2026-10-26 |
All 7 announced prefixes of AS1149 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS1149 hands its own prefixes to: transit providers, or peers at an exchange.
- AS20473The Constant Company7
ASPA
No ASPA
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
- ASPA explainedWhy AS1149 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/1149Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/1149" | jq