AS17516 NTT COMWARE CORPORATION 🇯🇵 JP

Announcing 24 prefixes, seen at the RIS collectors.

IPv4 prefixes
22
19,456 (76 × /24)
IPv6 prefixes
2
32,769 × /48
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS17516
Name
NTT COMWARE CORPORATION
Organisation
NTTCOMWARE
Country
🇯🇵 JP
RIR
APNIC
Allocated
2000-12-12
Scope
Not Disclosed
PeeringDB
net/33506

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 24 no ROA (100.0%)

Announced prefixes

24 in total

Prefix RPKI Peers Sample path First seen
132.222.121.0/24 v4 no ROA 42 34549291417516 2026-09-18
132.222.160.0/24 v4 no ROA 42 34549291417516 2026-09-18
132.222.192.0/24 v4 no ROA 42 34549291417516 2026-09-18
132.222.193.0/24 v4 no ROA 42 34549291417516 2026-09-18
132.222.224.0/24 v4 no ROA 42 34549291417516 2026-09-18
163.137.128.0/19 v4 no ROA 42 34549291417516 2026-09-18
163.137.188.0/24 v4 no ROA 42 34549291417516 2026-09-18
163.137.194.0/23 v4 no ROA 42 34549291417516 2026-09-18
163.137.196.0/23 v4 no ROA 42 34549291417516 2026-09-18
163.137.200.0/23 v4 no ROA 42 34549291417516 2026-09-18
163.137.202.0/23 v4 no ROA 42 34549291417516 2026-09-18
163.137.204.0/22 v4 no ROA 42 34549291417516 2026-09-18
163.137.208.0/23 v4 no ROA 42 34549291417516 2026-09-18
163.137.212.0/23 v4 no ROA 42 34549291417516 2026-09-18
163.137.214.0/23 v4 no ROA 42 34549291417516 2026-09-18
163.137.216.0/23 v4 no ROA 42 34549291417516 2026-09-18
163.137.218.0/23 v4 no ROA 42 34549291417516 2026-09-18
163.137.220.0/23 v4 no ROA 42 34549291417516 2026-09-18
163.137.224.0/23 v4 no ROA 42 34549291417516 2026-09-18
163.137.226.0/23 v4 no ROA 42 34549291417516 2026-09-18
163.137.230.0/23 v4 no ROA 42 34549291417516 2026-09-18
163.137.232.0/21 v4 no ROA 42 34549291417516 2026-09-18
2403:2d00:3::/48 v6 no ROA 32 38001291417516 2026-09-18
2403:2d00:8000::/33 v6 no ROA 32 38001291417516 2026-09-18