Home Prefix Lookup175.183.138.0/23

175.183.138.0/23 - New Century InfoComm Tech (AS9919)

IPv4APNICannouncedAS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. RPKI Valid

CIDR

175.183.138.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇹🇼 Taiwan

City

Taipei

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
175.183.138.0/23	AS9919 NCIC-TW - New Century InfoComm Tech Co., Ltd.	Valid	Other IRR	2026-10-12

More-Specific Announcements

1 more-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
175.183.138.0/24	AS9919 NCIC-TW - New Century InfoComm Tech Co., Ltd.	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
175.183.138.0/23	AS9919	/24	apnic
175.180.0.0/14	AS4780	/24	apnic
175.180.0.0/14	AS9919	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS4780	Other IRR	MAINT-AS4780	2026-03-13
AS9919	Other IRR	MAINT-AS4780	2026-03-13

Origin ASN

AS9919

NCIC-TW - New Century InfoComm Tech Co., Ltd.

Related Prefixes

More prefixes of AS9919

All prefixes of AS9919 →

Geolocation

Country🇹🇼TaiwanTW

RegionTaiwan

CityTaipei

Coordinates25.0423, 121.5670 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/175.183.138.0/23

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/175.183.138.0/23" | jq

External Links

RIPEstat