206208 looking glass

123.51.128.0/19 RPKI valid

Announced by AS9919 New Century InfoComm Tech Co., Ltd.

Origin

Origin ASRPKI Peers seeing itSample path First seenLast seen
AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 43 2448247809919 2026-09-18 2026-11-02

RPKI

2 ROAs cover this prefix

ROA prefixMax lengthAuthorised originTrust anchorResult for this route
123.51.128.0/17 /24 AS4780 apnic wrong origin
123.51.128.0/17 /24 AS9919 apnic authorises it

Registry

Who this address space is delegated to, regardless of whether it is routed

Delegated block
123.51.128.0/17
RIR
APNIC
Country
🇹🇼 TW
Status
allocated
Allocated
2008-11-20

Less specific routes

Announced prefixes that contain this one

Prefix Origin RPKI Peers Sample path First seen
123.51.128.0/18 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 43 2448247809919 2026-09-18
123.51.128.0/17 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 43 2448247809919 2026-09-18

More specific routes

32 announced prefixes inside this one

Prefix Origin RPKI Peers First seen
123.51.128.0/24 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 41 2026-09-18
123.51.129.0/24 v4 AS4780 Digital United Inc. RPKI valid 43 2026-09-18
123.51.130.0/24 v4 AS4780 Digital United Inc. RPKI valid 43 2026-09-18
123.51.131.0/24 v4 AS4780 Digital United Inc. RPKI valid 43 2026-09-18
123.51.132.0/24 v4 AS4780 Digital United Inc. RPKI valid 43 2026-09-18
123.51.133.0/24 v4 AS4780 Digital United Inc. RPKI valid 42 2026-09-18
123.51.134.0/24 v4 AS4780 Digital United Inc. RPKI valid 43 2026-09-18
123.51.135.0/24 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 42 2026-09-18
123.51.136.0/24 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 41 2026-09-18
123.51.140.0/24 v4 AS4780 Digital United Inc. RPKI valid 42 2026-10-18
123.51.140.0/24 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 1 2026-09-18
123.51.141.0/24 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 42 2026-09-18
123.51.142.0/24 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 41 2026-09-18
123.51.143.0/24 v4 AS4780 Digital United Inc. RPKI valid 43 2026-09-18
123.51.144.0/24 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 42 2026-09-18
123.51.145.0/24 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 42 2026-09-18
123.51.146.0/24 v4 AS4780 Digital United Inc. RPKI valid 43 2026-09-18
123.51.147.0/24 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 42 2026-09-18
123.51.148.0/24 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 41 2026-09-18
123.51.149.0/24 v4 AS4780 Digital United Inc. RPKI valid 42 2026-09-18
123.51.150.0/24 v4 AS4780 Digital United Inc. RPKI valid 43 2026-09-18
123.51.151.0/24 v4 AS4780 Digital United Inc. RPKI valid 43 2026-09-18
123.51.152.0/24 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 42 2026-09-18
123.51.153.0/24 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 42 2026-09-18
123.51.154.0/24 v4 AS4780 Digital United Inc. RPKI valid 43 2026-09-18
123.51.155.0/24 v4 AS4780 Digital United Inc. RPKI valid 43 2026-09-18
123.51.156.0/24 v4 AS4780 Digital United Inc. RPKI valid 43 2026-09-18
123.51.157.0/24 v4 AS4780 Digital United Inc. RPKI valid 42 2026-10-18
123.51.157.0/24 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 1 2026-09-18
123.51.158.0/24 v4 AS4780 Digital United Inc. RPKI valid 42 2026-10-18
123.51.158.0/24 v4 AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid 1 2026-09-18
123.51.159.0/24 v4 AS4780 Digital United Inc. RPKI valid 42 2026-09-18