Home Prefix Lookup140.128.0.0/13

140.128.0.0/13

🇹🇼

IPv4APNICassignedAS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center RPKI Valid

CIDR

140.128.0.0/13

IP Version

IPv4

Addresses

524.2K

Mask

/13 (255.248.0.0)

Country

🇹🇼 Taiwan

City

Taichung

RIR

APNIC

Status

assigned

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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

Covering Prefix

56 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
140.132.0.0/16	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Valid	—	5/31/2026
140.135.0.0/16	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Valid	—	5/31/2026
140.134.0.0/16	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Valid	—	5/31/2026
140.128.0.0/16	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Valid	—	5/31/2026
140.130.0.0/16	AS17712CCU-TW - National Chung Cheng University	Valid	—	5/31/2026
140.131.0.0/16	AS17716NTU-TW - National Taiwan University	Valid	—	5/31/2026
140.128.96.0/19	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.133.32.0/19	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.131.160.0/19	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.133.32.0/19	AS17713NSYSU-TW - Ministry of Education Computer Center	Valid	—	5/31/2026
140.128.32.0/20	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.128.16.0/20	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.16.0/20	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.112.0/20	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.129.64.0/20	AS9916NCTU-TW - National Yang Ming Chiao Tung University	Valid	—	5/31/2026
140.133.64.0/20	AS17713NSYSU-TW - Ministry of Education Computer Center	Valid	—	5/31/2026
140.129.96.0/20	AS17716NTU-TW - National Taiwan University	Valid	—	5/31/2026
140.133.0.0/20	AS18177NCKU-TW - National Cheng Kung University	Valid	—	5/31/2026
140.128.8.0/21	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.128.192.0/21	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.131.8.0/21	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.104.0/21	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.128.128.0/21	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.32.0/21	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.131.152.0/21	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.8.0/21	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.129.56.0/21	AS9916NCTU-TW - National Yang Ming Chiao Tung University	Valid	—	5/31/2026
140.133.80.0/21	AS17713NSYSU-TW - Ministry of Education Computer Center	Valid	—	5/31/2026
140.131.4.0/22	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.128.4.0/22	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.4.0/22	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.131.16.0/22	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.129.52.0/22	AS9916NCTU-TW - National Yang Ming Chiao Tung University	Valid	—	5/31/2026
140.133.88.0/22	AS17713NSYSU-TW - Ministry of Education Computer Center	Valid	—	5/31/2026
140.129.112.0/22	AS17716NTU-TW - National Taiwan University	Valid	—	5/31/2026
140.128.48.0/23	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.128.2.0/23	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.2.0/23	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.128.0/23	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.131.150.0/23	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.102.0/23	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.131.2.0/23	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.133.92.0/23	AS17713NSYSU-TW - Ministry of Education Computer Center	Valid	—	5/31/2026
140.128.191.0/24	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.130.0/24	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.171.0/24	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.175.0/24	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.131.1.0/24	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.128.1.0/24	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.101.0/24	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.131.20.0/24	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.40.0/24	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.128.50.0/24	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.130.1.0/24	AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center	Invalid	—	5/31/2026
140.129.80.0/24	AS9916NCTU-TW - National Yang Ming Chiao Tung University	Valid	—	5/31/2026
140.129.51.0/24	AS9916NCTU-TW - National Yang Ming Chiao Tung University	Valid	—	5/31/2026

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
140.128.0.0/13	AS1659	/13	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS1659	RADB	MAINT-AS17709	11/13/2023

More Specific Prefixes

Prefix	AS	Country	Status
140.128.0.0/16	AS1659	🇹🇼TW	allocated
140.135.0.0/16	AS1659	🇹🇼TW	allocated
140.133.0.0/16		🇹🇼TW	allocated
140.129.0.0/16		🇹🇼TW	allocated
140.131.0.0/16	AS17716	🇹🇼TW	allocated
140.132.0.0/16	AS1659	🇹🇼TW	allocated
140.134.0.0/16	AS1659	🇹🇼TW	allocated
140.130.0.0/16	AS17712	🇹🇼TW	allocated

Origin ASN

AS1659

ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center

Geolocation

Country🇹🇼TaiwanTW

RegionTaiwan

CityTaichung

Coordinates24.1236, 120.6750 ↗

API

Open

GEThttps://api.ipctl.io/v1/prefix/140.128.0.0/13

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

curl -s "https://api.ipctl.io/v1/prefix/140.128.0.0/13" | jq

External Links

RIPEstat Hurricane Electric BGP