Home Prefix Lookup203.190.20.0/22

203.190.20.0/22 - New Kaohsiung Broadband (AS9922)

IPv4APNICannouncedAS9922NKB-AS-TW - New Kaohsiung Broadband LTD. RPKI Valid

CIDR

203.190.20.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

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
203.190.20.0/22	AS9922 NKB-AS-TW - New Kaohsiung Broadband LTD.	Valid	-	2026-10-12

More-Specific Announcements

4 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
203.190.20.0/24	AS9922 NKB-AS-TW - New Kaohsiung Broadband LTD.	Valid	-	2026-10-12
203.190.21.0/24	AS9922 NKB-AS-TW - New Kaohsiung Broadband LTD.	Valid	-	2026-10-12
203.190.22.0/24	AS9922 NKB-AS-TW - New Kaohsiung Broadband LTD.	Valid	-	2026-10-12
203.190.23.0/24	AS9922 NKB-AS-TW - New Kaohsiung Broadband LTD.	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.190.16.0/21	AS4780	/24	apnic
203.190.16.0/21	AS9919	/24	apnic
203.190.16.0/21	AS9922	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS9919	Other IRR	MAINT-AS9919	2023-11-13

Origin ASN

AS9922

NKB-AS-TW - New Kaohsiung Broadband LTD.

Related Prefixes

More prefixes of AS9922

All prefixes of AS9922 →

Geolocation

Country🇹🇼TaiwanTW

RegionTaiwan

CityTaipei

Coordinates25.0330, 121.5650 ↗

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/203.190.20.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/203.190.20.0/22" | jq

External Links

RIPEstat