HomePrefix Lookup140.128.0.0/13

140.128.0.0/13

🇹🇼
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:
PrefixOrigin ASRPKIIRRLast Seen
140.128.0.0/13AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid
RADB
5/31/2026

Covering Prefix

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

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
140.128.0.0/13AS1659/13apnic

IRR Route Objects

1
OriginRegistryMaintainerModified
AS1659RADBMAINT-AS1770911/13/2023

More Specific Prefixes

8
PrefixASCountryStatus
140.128.0.0/16AS1659🇹🇼TWallocated
140.135.0.0/16AS1659🇹🇼TWallocated
140.133.0.0/16🇹🇼TWallocated
140.129.0.0/16🇹🇼TWallocated
140.131.0.0/16AS17716🇹🇼TWallocated
140.132.0.0/16AS1659🇹🇼TWallocated
140.134.0.0/16AS1659🇹🇼TWallocated
140.130.0.0/16AS17712🇹🇼TWallocated
Geolocation
Country🇹🇼TaiwanTW
RegionTaiwan
CityTaichung
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