Home Prefix Lookup212.237.152.0/21

212.237.152.0/21 - MEX Computer Engineering & Consulting (AS7514)

IPv4APNICallocatedAS7514MEX Computer Engineering & Consulting, Ltd.No ROA

CIDR

212.237.152.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇯🇵 Japan

City

Sumida City

RIR

APNIC

Status

allocated

Allocated

1998-09-25

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
212.237.152.0/21	AS7514 MEX Computer Engineering & Consulting, Ltd.	No ROA	Other IRR	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7514	Other IRR	MAINT-AS7514	2026-07-21

Transfer History

Registry transfers of 212.237.152.0/21, blocks inside it, or blocks containing it.

212.237.152.0/21inter-RIRTransfer · 2021-04-29
Zexis S.ar.l
RIPE NCC
→
Japan Network Information Center/CLOVER
🇯🇵 JP APNIC
212.237.152.0/21Transfer · 2016-11-17
Styrelsen for it og laering
RIPE NCC
→
Zexis S.ar.l
RIPE NCC

Date	Resource	From	To	Type
2021-04-29	212.237.152.0/21inter-RIR	Zexis S.ar.l RIPE NCC	Japan Network Information Center/CLOVER 🇯🇵 JP APNIC	Transfer
2016-11-17	212.237.152.0/21	Styrelsen for it og laering RIPE NCC	Zexis S.ar.l RIPE NCC	Transfer

Origin ASN

AS7514

MEX Computer Engineering & Consulting, Ltd.

Related Prefixes

More prefixes of AS7514

All prefixes of AS7514 →

Geolocation

Country🇯🇵JapanJP

RegionTokyo

CitySumida City

Coordinates35.6897, 139.8060 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/212.237.152.0/21

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/212.237.152.0/21" | jq

External Links

RIPEstat