Data as of Nov 11, 2026

37.18.4.0/22

No anonymizer space · no proxy exits in 30 days

Weserve B.V. · space held by LeaderTelecom B.V.

Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
37.18.4.0/221,024NL-LEADERTELECOMBV-20111220LeaderTelecom B.V. (ORG-LB21-RIPE) · NLALLOCATED PAMar 23, 2020info@leadertelecom.nl
└ 37.18.4.0/23512WeserveNL-NETWeserve B.V.ASSIGNED PAMar 22, 2020abuse@weserve.nl
└ 37.18.6.0/23512WeserveNL-NETWeserve B.V.ASSIGNED PAMar 22, 2020abuse@weserve.nl

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
Aug 2019
Current origin since
Feb 2026 · 9 mo
Origin networks
3
Last change of origin
Feb 2026
Recorded history

History

Handoffs
2