AS4693 SCSK Corporation

AS4693 is operated by SCSK Corporation and registered with APNIC (JP) since 1995-08-30.

It announces 7 IPv4 and 1 IPv6 prefixes, 0% of them RPKI valid.

RIPE RIS sees 9 upstream and peer networks and 1 downstream networks next to it.

PeeringDB lists it as an NSP network at 3 internet exchanges and 2 facilities. Its peering policy is open.

Run the full network report BGP lookup WHOIS PeeringDB lookup

Name	SCSK Corporation
Registry (RIR)	APNIC
Country	Japan (JP)
Delegated on	1995-08-30
Network type	NSP, Asia Pacific
Peering policy	Open
Prefixes (IPv4 / IPv6)	7 / 1
RPKI valid	0% (0 / 8)
Upstreams and peers	9
Downstream networks	1
Website	scsk.jp/index_en.html

Routing health

Partial result: RIPEstat did not return the overview in time.
AS4693 announces 7 IPv4 and 1 IPv6 prefixes.
8 announced prefixes are not covered by a ROA of AS4693 (they may have none, or another network’s).
9 upstreams and peers, 1 downstream networks seen.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 8

203.140.0.0/19
203.179.32.0/19
210.159.96.0/19
210.166.96.0/19
210.249.192.0/19
211.7.192.0/21
211.7.208.0/21
2400:af80::/32

Upstreams and peers 9

The networks RIPE RIS sees next to AS4693 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 9 IPv4, 1 IPv6. PeeringDB record

Internet exchanges 3

Exchange	Ports	Speed	Route server
BBIX Tokyo	1	10G	Yes
JPIX TOKYO	1	10G	Yes
JPNAP Tokyo: Peering	1	10G	Yes

Facilities 2

Facility	City	Country
SCSK netXDC (SH1/SH2)	Sanda-shi	JP
SCSK netXDC (SI1/SI2/SI3)/NEC Inzai DC	Inzai-shi	JP

More about AS4693

← AS4692 AS4694 →

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 19:31 UTC. The country is where the AS number was registered, not necessarily where the network operates.