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AS7671 NTT SmartConnect Corporation

Japan NTTSMC APNIC 61 IPv4 prefixes 2 IPv6 prefixes
IPv4 addresses
453,888
IPv6 /48 networks
327,680
RPKI
55 valid8 no ROA
Peers and downstreams
6

Holder

AS name
NTTSMC
Description
NTT SmartConnect Corporation 3-1, Ofuka-cho, Kita-ku,Osaka-shi, Osaka
Organisation
NTT SmartConnect Corporation
Abuse contact
Not published
Assigned
1997-11-12
Record last changed
2026-07-18 00:52 UTC
103.28.236.0/22114.129.0.0/21114.129.48.0/20117.58.224.0/20122.100.16.0/21122.50.16.0/20124.241.192.0/19124.241.224.0/20124.241.240.0/20124.245.0.0/16125.252.128.0/18157.3.0.0/16157.4.0.0/16192.218.14.0/24202.189.176.0/21202.211.112.0/20202.211.114.0/24202.211.115.0/24202.211.116.0/24202.211.117.0/24202.211.118.0/24202.211.119.0/24202.211.124.0/24202.211.125.0/24202.242.245.0/24202.255.103.0/24202.62.176.0/20202.71.64.0/19202.78.208.0/20202.78.209.0/24202.78.213.0/24202.78.215.0/24202.78.216.0/24202.78.217.0/24202.78.218.0/24202.78.219.0/24203.184.96.0/19203.211.160.0/19203.211.192.0/19203.211.224.0/19203.78.224.0/19210.172.32.0/19210.233.240.0/20210.247.0.0/23210.247.16.0/20210.247.32.0/19210.247.4.0/22210.247.64.0/18210.247.8.0/21210.89.192.0/18211.1.224.0/20211.1.240.0/20219.103.32.0/20219.111.224.0/20219.113.64.0/20219.124.32.0/20219.96.64.0/20219.96.80.0/20222.231.128.0/1758.147.192.0/1958.147.224.0/19

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… AS174 AS174 AS174 AS174 AS3356 Level 3 Parent, LLC AS3356 · US Level 3 Parent, LLC AS6461 Zayo Bandwidth AS6461 · US Zayo Bandwidth AS8220 COLT Technology Services Group Limited AS8220 · GB COLT Technology Servi… AS4637 Telstra Global AS4637 · HK Telstra Global AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS2914 NTT America, Inc. AS2914 · US NTT America, Inc. AS2497 Internet Initiative Japan Inc. AS2497 · JP Internet Initiative J… AS9607 BroadBand Tower, Inc. AS9607 · JP BroadBand Tower, Inc. AS7671 NTT SmartConnect Corporation AS7671 · JP NTT SmartConnect Corp…

Network health

Grade B · 87/100
partly Prefixes covered by valid ROAs
55 of 63 announced prefixes are RPKI valid, 8 have no ROA.		 22/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
2 IPv6 prefixes.		 15/15
pass More than one upstream
4 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
pass Registry record maintained
Last changed 2026-07-18.		 5/5
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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Routing changes

Last 30 days
2026-10-04 14:32 UTCRelationship changed AS2516 upstream to peer

WHOIS

aut-num:        AS7671
as-name:        MCNET
handle:         AS7671
remarks:        NTT SmartConnect Corporation
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
abuse:          IRT-JPNIC-JP (IRT-JPNIC-JP) <hostmaster@nic.ad.jp>
technical,administrative:JP00000397
last changed:   2026-07-18T00:52:26Z
source:         APNIC (RDAP)