RDAP / Whois lookup

Look up authoritative registration records for a domain, IP, network prefix or ASN. Subdomains are resolved to their registrable domain automatically.

57.141.0.0 - 57.149.255.255

Record foundRIPE NCC

FB-BLOCKLEGACY

RDAP is structured authoritative registration data. Registration records and contacts do not establish current routing, device location or network safety.

Queried at11/9/2026, 01:16:29Local authoritative snapshot

BGP routes RPKI check

Resource type: IP address
Registry: RIPE NCC
Registration country / region: Ireland
Registration status: Active
Registered at: 8/23/2022, 13:58:05
Last changed: 6/23/2023, 09:09:37

Resource range57.141.0.0 – 57.149.255.255IP address

Resource records4CIDR count

Public contacts6Published by the registry

Registry events2Authoritative change record

Authoritative registration details

Registry handle: 57.141.0.0 - 57.149.255.255
Name: FB-BLOCK
Allocation type: LEGACY
Parent handle: 0.0.0.0 - 255.255.255.255
Whois server: whois.ripe.net
Authoritative RDAP host: rdap.db.ripe.net

Address and number range

Resource range: 57.141.0.0 – 57.149.255.255
Address family: IPv4
Resource records: 4
CIDR inventory: 57.141.0.0/16 57.142.0.0/15 57.144.0.0/14 57.148.0.0/15

Registration entities and contacts

Only public fields from the authoritative RDAP response are shown. Roles are assigned by the registry.

6 entities

Registrant

meta-mntmeta-mnt

Not provided by registry

AdministrativeTechnical

Network EngineeringNE1880-RIPE

Not provided by registry

4 GRAND CANAL SQUARE, GRAND CANAL HARBOUR, DUBLIN, IRELAND

Registrant

Meta Platforms Ireland LimitedORG-FIL7-RIPE

+353 1443 4342+0016505434800+0016505435325

Merrion Road Dublin 4 · D04 X2K5 · Dublin · IRELAND

Registrant

ORG-NCC1-RIPERIPE-NCC-LEGACY-MNT

Not provided by registry

Abuse

RIPE DBMRD4299-RIPE

domain@fb.com

1601 Willow Rd. · Menlo Park, CA, 94025

Registrant

fb-netengfb-neteng

Not provided by registry

Registration and change events

2 events

Event	Time (UTC)	Actor
Last changed	6/23/2023, 09:09:37	Not provided by registry
Registration	8/23/2022, 13:58:05	Not provided by registry

Terms and remarks

Registry notices are shown verbatim so their authoritative meaning is not altered.

4 notices

FilteredThis output has been filtered.

Whois Inaccuracy ReportingIf you see inaccuracies in the results, please visit:

SourceObjects returned came from source RIPE

Terms and ConditionsThis is the RIPE Database query service. The objects are in RDAP format.

CHA.LA authoritative RDAP snapshotIANA Bootstrap only locates the responsible registration service. Data comes from the corresponding RIR or domain registry and is cached locally by query target.Authoritative source: RIPE NCC · rdap.db.ripe.net