CHSL Helsinki

Data as of 2026-08-23
BGP inherited
Cluster stats
Netblocks19 · 4,608 IPv4 addresses
IPv6 1 prefix (largest 2a01:ecc0:6000::/36)
Registered in United States (17) · Russia (1)
Cluster ID227236136
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 4 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

9 weekly snapshots · JSON
19 0 netblocks since 2026-07-05
2026-07-05 peak 19 2026-08-23

IP Ranges (19)

⬇ export CSV
CIDR Org name Registry Status Confidence
2.26.66.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
2.26.67.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
2.26.72.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
2.27.48.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
2.27.50.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
2.27.51.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
2.27.192.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
31.76.42.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
31.76.43.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
31.76.56.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
31.76.58.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
31.77.194.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
31.77.195.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
77.91.70.0/24 CHSL Helsinki RIPE SUB-ALLOCATED PA ● medium
144.31.132.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
144.31.133.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
144.31.184.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
144.31.185.0/24 CHSL Helsinki RIPE ASSIGNED PA ● medium
2a01:ecc0:6000::/36 CHSL Helsinki RIPE ASSIGNED ● medium

IPv6 ranges (1)

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (19 of 19)
Possible discrepancies (1)

These blocks are registered to CHSL Helsinki but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2.27.192.0/24 /24 authorized for AS17404 — Pipe Networks LLC

NIC Handles

CHSL-MNT DUMY-RIPE DUMY-RIPE ORG-CHSL2-RIPE