RDAP / Whois lookup

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

175.28.48.0 - 175.28.51.255

Record foundAPNIC

CRUST-AS

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

Queried at11/4/2026, 21:36:46Local authoritative snapshot

BGP routes RPKI check Prefix profile

Resource type: Network prefix
Registry: APNIC
Registration country / region: Japan
Registration status: Active
Registered at: Not provided by registry
Last changed: 3/27/2014, 21:00:51

Resource range175.28.48.0 – 175.28.51.255Network prefix

Resource records1CIDR count

Public contacts3Published by the registry

Registry events1Authoritative change record

Authoritative registration details

Registry handle: 175.28.48.0 - 175.28.51.255
Name: CRUST-AS
Allocation type: Not provided by registry
Parent handle: Not provided by registry
Whois server: whois.apnic.net
Authoritative RDAP host: rdap.apnic.net

Address and number range

Resource range: 175.28.48.0 – 175.28.51.255
Address family: IPv4
Resource records: 1
CIDR inventory: 175.28.48.0/22

Registration entities and contacts

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

3 entities

AdministrativeTechnical

JP00057999JP00057999

Not provided by registry

AdministrativeTechnical

Japan Network Information CenterJNIC1-AP

hostmaster@nic.ad.jp+81-3-5297-2311+81-3-5297-2312

Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda · Chiyoda-ku, Tokyo 101-0047, Japan

Abuse

IRT-JPNIC-JPIRT-JPNIC-JP

hostmaster@nic.ad.jp hostmaster@nic.ad.jp+81-3-5297-2311+81-3-5297-2312

Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda · Chiyoda-ku, Tokyo 101-0047, japan

Registration and change events

1 events

Event	Time (UTC)	Actor
Last changed	3/27/2014, 21:00:51	Not provided by registry

Terms and remarks

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

4 notices

descriptionCRUST co.,Ltd.

SourceObjects returned came from source JPNIC

Terms and ConditionsThis is the APNIC WHOIS Database query service. The objects are in RDAP format. This information has been partially mirrored by APNIC from JPNIC. To obtain more specific information, please use the JPNIC WHOIS Gateway at http://www.nic.ad.jp/en/db/whois/en-gateway.html or whois.nic.ad.jp for WHOIS client. (The WHOIS client defaults to Japanese output, use the /e switch for English output)

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

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: APNIC · rdap.apnic.net