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AS131987 MC Digital Realty, Inc.

Japan MCDR-IP-NRT APNIC 2 IPv4 prefixes 1 IPv6 prefix
IPv4 addresses
2,048
IPv6 /48 networks
65,536
RPKI
0 valid3 no ROA
Peers and downstreams
8

Holder

AS name
MCDR-IP-NRT
Description
MC Digital Realty, Inc. 1-3-1, Toranomon, Minato-ku, Tokyo
Organisation
MC Digital Realty, Inc.
Abuse contact
Not published
Assigned
2011-08-03
Record last changed
2021-06-08 18:54 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS24482 SG.GS AS24482 · SG SG.GS AS35280 F5 Networks SARL AS35280 · FR F5 Networks SARL AS6057 Administracion Nacional de Telecomunicaciones AS6057 · UY Administracion Nacion… AS3356 Level 3 Parent, LLC AS3356 · US Level 3 Parent, LLC AS9002 RETN Limited AS9002 · GB RETN Limited AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS2914 NTT America, Inc. AS2914 · US NTT America, Inc. AS4637 Telstra Global AS4637 · HK Telstra Global AS131987 MC Digital Realty, Inc. AS131987 · JP MC Digital Realty, In…

Network health

Grade C · 60/100
fail Prefixes covered by valid ROAs
0 of 3 announced prefixes are RPKI valid, 3 have no ROA.		 0/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
1 IPv6 prefix.		 15/15
pass More than one upstream
3 upstreams seen in BGP.		 10/10
pass Working abuse contact
hostmaster@nic.ad.jp is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
fail Registry record maintained
Last changed 2021-06-08.		 0/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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AS131987 health AS131987 RPKI
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Routing changes

Last 30 days
2026-10-04 11:22 UTCNew neighbour AS49544 peer
2026-10-04 11:22 UTCNew neighbour AS45489 peer
2026-10-04 11:22 UTCNew neighbour AS25152 peer
2026-10-04 11:22 UTCNew neighbour AS24482 peer
2026-10-04 11:22 UTCNew neighbour AS17639 peer
2026-10-04 11:22 UTCNew neighbour AS9002 peer
2026-10-04 11:22 UTCNew neighbour AS6939 upstream
2026-10-04 11:22 UTCNew neighbour AS20485 peer
2026-10-04 11:22 UTCNew neighbour AS17686 peer

WHOIS

aut-num:        AS131987
as-name:        MCDR-NRT
handle:         AS131987
remarks:        MC Digital Realty, Inc.
technical,administrative:KM58111JP
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
abuse:          IRT-JPNIC-JP (IRT-JPNIC-JP) <hostmaster@nic.ad.jp>
last changed:   2021-06-08T18:54:29Z
source:         APNIC (RDAP)