140.133.64.0/20

🇹🇼

CIDR

140.133.64.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇹🇼 Taiwan

City

Taipei

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
140.133.64.0/20	AS17713NSYSU-TW - Ministry of Education Computer Center	Valid	—	5/31/2026

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
140.128.0.0/13	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Valid	—	5/31/2026

Prefix	Origin	Max Length	Trust Anchor
140.133.64.0/20	AS17713	/20	apnic
140.128.0.0/13	AS1659	/13	apnic

Origin ASN

Geolocation

Country🇹🇼TaiwanTW

RegionTaiwan

CityTaipei

API

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

curl -s "https://api.ipctl.io/v1/prefix/140.133.64.0/20" | jq

External Links