AS1101 SURF (Thunderlab) 🇳🇱 NL
SURF B.V.. Announcing 19 prefixes, seen at the RIS collectors.
IPv4 prefixes
16
1,773,568 (6,928 × /24)
IPv6 prefixes
3
1 × /32
Upstreams
3
transit providers observed
Peers
18
settlement-free adjacencies
Downstreams
6
transit customers observed
Customer cone
5
ASes reachable through it
Registry and operator data
- AS number
- AS1101
- Name
- SURF (Thunderlab)
- Organisation
- Not SURF Net
- Country
- 🇳🇱 NL
- RIR
- RIPENCC
- Allocated
- 1993-09-01
- Network type
- Educational/Research
- Scope
- Not Disclosed
- Peering policy
- Open
- IRR as-set
- RIPE::AS-NOTSURFNET
- Website
- https://as1101.net/
- PeeringDB
- net/12746
- Exchanges
- 4
- Facilities
- 2
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
3 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 2001:67c:6ec::/48 v6 | RPKI valid | 37 | 2040921101 | 2026-09-18 |
| 2001:67c:12d8::/48 v6 | RPKI valid | 37 | 2040921101 | 2026-09-18 |
| 2a04:601::/32 v6 | RPKI valid | 38 | 20409211031101 | 2026-09-18 |