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
- 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
16 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 44.137.0.0/16 v4 | no ROA | 44 | 377211101 | 2026-09-18 |
| 145.99.0.0/16 v4 | RPKI valid | 45 | 2023651101 | 2026-09-18 |
| 145.102.4.0/23 v4 | RPKI valid | 44 | 2023651101 | 2026-09-18 |
| 145.192.0.0/12 v4 | RPKI valid | 46 | 2023651101 | 2026-09-18 |
| 145.208.0.0/13 v4 | RPKI valid | 46 | 2023651101 | 2026-09-18 |
| 145.220.0.0/16 v4 | RPKI valid | 45 | 2023651101 | 2026-09-18 |
| 185.17.73.0/24 v4 | RPKI valid | 45 | 2040921101 | 2026-09-18 |
| 185.100.59.0/24 v4 | RPKI valid | 45 | 2023651101 | 2026-09-18 |
| 192.12.54.0/24 v4 | no ROA | 45 | 2023651101 | 2026-09-18 |
| 192.16.200.0/24 v4 | no ROA | 45 | 2023651101 | 2026-09-18 |
| 192.42.117.0/24 v4 | RPKI valid | 45 | 2023651101 | 2026-09-18 |
| 192.42.118.0/23 v4 | RPKI valid | 46 | 20409211031101 | 2026-09-18 |
| 192.42.118.0/24 v4 | RPKI valid | 20 | 377211101 | 2026-09-18 |
| 192.42.119.0/24 v4 | RPKI valid | 20 | 377211101 | 2026-09-18 |
| 192.42.128.0/22 v4 | RPKI valid | 45 | 2023651101 | 2026-09-18 |
| 192.150.94.0/24 v4 | no ROA | 45 | 2023651101 | 2026-09-18 |