Data as of Nov 15, 2026
37.220.172.0/29
No anonymizer space · no proxy exits in 30 daysFundaments B.V.
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 37.220.168.0/21 | 2,048 | NL-FUNDAMENTS-20120405 | Fundaments B.V. (ORG-FB55-RIPE) · NL | ALLOCATED PA | Oct 14, 2022 | Abuse@ |
| └ 37.220.172.0/29 | 8 | DXS-METAMO-GLAS | Metamo glasvezel aansluiting | ASSIGNED PA | Mar 5, 2015 | Abuse@ via NL-FUNDAMENTS-20120405 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 37.220.168.0/21
- Prefix
- 37.220.168.0/21
- Announced by
- AS20559 Fundaments B.V.
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- NL-FUNDAMENTS-20120405
- Registrant
- Fundaments B.V.
- RIR
- RIPE NCC
Origin network
AS20559
NL
- Name
- Fundaments B.V.
- Type
- Hosting
- Registered
- Aug 13, 2015
- Domain
- fundaments.nl
- Website
- www.fundaments.nl
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 37.220.168.0/21
37.220.168.0/21
Routing history
- Pattern
- Rotating
- First seen
- Sep 2012
- Current origin since
- Feb 2022 · 4.7 yr
- Origin networks
- 2
- Last change of origin
- Feb 2022
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.220.168.0/21 | AS20559 | /21 | RIPE | RPKI valid |
IRR
Route objects on 37.220.168.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS20559 | RIPE | DOTXS-MNT | Aug 25, 2021 |
Whois
Registration for this announcement
- Range
- 37.
220. 168. 0/ 21 - Netname
- NL-FUNDAMENTS-20120405
- Registrant
- Fundaments B.V.
- Registrant country
- NL
- Organization
- Fundaments B.V. (ORG-FB55-RIPE)
- Org country
- NL
- Type
- ALLOCATED PA
- Created
- Oct 14, 2022
- Updated
- Oct 14, 2022
- Maintainer
- Fundaments-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Apr 5, 2012
- Status
- assigned
Report abuse
Abuse contact
- Abuse@
fundaments. nl - Name
- Abuse-C Role
- Handle
- AR33190-RIPE