AS51044 Kazuki Yamaguchi 🇯🇵 JP

Announcing 21 prefixes, seen at the RIS collectors.

IPv4 prefixes
3
1,536 (6 × /24)
IPv6 prefixes
18
2 × /32
Upstreams
6
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
AS51044
Name
Kazuki Yamaguchi
Organisation
Kazuki Yamaguchi
Country
🇯🇵 JP
RIR
RIPENCC
Allocated
2019-09-03
Network type
Non-Profit
Traffic levels
0-20Mbps
Peering policy
Selective
IRR as-set
AS51044:AS-RHE
PeeringDB
net/20780
Exchanges
2

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

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

Announced prefixes

21 in total

Prefix RPKI Peers Sample path First seen
45.148.172.0/22 v4 RPKI valid 43 3454951044 2026-09-18
45.148.172.0/24 v4 RPKI valid 43 3454951044 2026-09-18
45.148.173.0/24 v4 RPKI valid 43 3454951044 2026-09-18
2a0f:600::/48 v6 RPKI valid 34 3454951044 2026-09-18
2a0f:600:604::/46 v6 RPKI valid 32 380013491123892107565757851044 2026-10-05
2a0f:600:604::/47 v6 RPKI valid 19 377216939123892107565757851044 2026-10-07
2a0f:600:604::/48 v6 RPKI valid 4 176392047351044 2026-09-18
2a0f:600:605::/48 v6 RPKI valid 26 34549573045757851044 2026-09-18
2a0f:600:606::/48 v6 RPKI valid 17 3454951044 2026-09-18
2a0f:600:607::/48 v6 RPKI valid 25 34549325734912047351044 2026-09-18
2a0f:600:608::/47 v6 RPKI valid 33 34549204852107565757851044 2026-10-05
2a0f:600:608::/48 v6 RPKI valid 4 176392047351044 2026-09-18
2a0f:600:609::/48 v6 RPKI valid 10 3454951044 2026-09-18
2a0f:600:60a::/47 v6 RPKI valid 33 37721693951044 2026-09-18
2a0f:600:60a::/48 v6 RPKI valid 4 176392047351044 2026-09-18
2a0f:600:60b::/48 v6 RPKI valid 7 244822047351044 2026-09-18
2a0f:600:60c::/47 v6 RPKI valid 33 37721693951044 2026-09-18
2a0f:600:60c::/48 v6 RPKI valid 31 3800134912047351044 2026-09-18
2a0f:600:60d::/48 v6 RPKI valid 31 244822047351044 2026-09-18
2a0f:601::/32 v6 RPKI valid 34 3454951044 2026-09-18
2a0f:602::/32 v6 RPKI valid 34 3454951044 2026-09-18