HomePrefix Lookup140.128.0.0/12

140.128.0.0/12

🇹🇼
IPv4RIPEassigned RPKI Valid
CIDR
140.128.0.0/12
IP Version
IPv4
Addresses
1M
Mask
/12 (255.240.0.0)
Country
🇹🇼 Taiwan
City
Taichung
RIR
RIPE
Status
assigned
Allocated
-

Announced BGP Routes

0 of 0 routes
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

130 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
140.128.0.0/13AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—6/15/2026
140.136.0.0/15AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—6/15/2026
140.142.0.0/16AS73WASHINGTON-AS - University of WashingtonNo ROA—6/15/2026
140.139.0.0/16AS367DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)No ROA—6/15/2026
140.140.0.0/16AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
140.135.0.0/16AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—6/15/2026
140.134.0.0/16AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—6/15/2026
140.132.0.0/16AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—6/15/2026
140.128.0.0/16AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—6/15/2026
140.138.0.0/16AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—6/15/2026
140.130.0.0/16AS17712CCU-TW - National Chung Cheng University Valid—6/15/2026
140.131.0.0/16AS17716NTU-TW - National Taiwan University Valid—6/15/2026
140.143.0.0/16AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.141.0.0/17AS600OARNET-AS - OARnetNo ROA—6/15/2026
140.141.0.0/17AS3112OARNET-AS-1 - OARnetNo ROA—6/15/2026
140.141.128.0/17AS12119I3BROADBAND - ITV-3 Valid—6/15/2026
140.136.128.0/17AS38845FJU-AS-TW - Fu Jen Catholic University Valid—6/15/2026
140.133.32.0/19AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.131.160.0/19AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.128.96.0/19AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.112.0/20AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.128.16.0/20AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.128.32.0/20AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.16.0/20AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.129.64.0/20AS9916NCTU-TW - National Yang Ming Chiao Tung University Valid—6/15/2026
140.141.144.0/20AS12119I3BROADBAND - ITV-3 Valid—6/15/2026
140.141.128.0/20AS12119I3BROADBAND - ITV-3 Valid—6/15/2026
140.141.160.0/20AS12119I3BROADBAND - ITV-3 Valid—6/15/2026
140.141.224.0/20AS12119I3BROADBAND - ITV-3 Valid—6/15/2026
140.133.64.0/20AS17713NSYSU-TW - Ministry of Education Computer Center Valid—6/15/2026
140.129.96.0/20AS17716NTU-TW - National Taiwan University Valid—6/15/2026
140.133.0.0/20AS18177NCKU-TW - National Cheng Kung University Valid—6/15/2026
140.143.48.0/20AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.16.0/20AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.32.0/20AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.0.0/20AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.64.0/20AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.128.128.0/21AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.32.0/21AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.104.0/21AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.8.0/21AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.131.8.0/21AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.131.152.0/21AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.128.192.0/21AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.128.8.0/21AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.129.56.0/21AS9916NCTU-TW - National Yang Ming Chiao Tung University Valid—6/15/2026
140.141.192.0/21AS12119I3BROADBAND - ITV-3 Valid—6/15/2026
140.141.208.0/21AS12119I3BROADBAND - ITV-3 Valid—6/15/2026
140.141.248.0/21AS12119I3BROADBAND - ITV-3 Valid—6/15/2026
140.141.240.0/21AS12119I3BROADBAND - ITV-3 Valid—6/15/2026
140.141.176.0/21AS12119I3BROADBAND - ITV-3 Valid—6/15/2026
140.141.200.0/21AS12119I3BROADBAND - ITV-3 Valid—6/15/2026
140.133.80.0/21AS17713NSYSU-TW - Ministry of Education Computer Center Valid—6/15/2026
140.128.4.0/22AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.131.4.0/22AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.4.0/22AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.131.16.0/22AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.129.52.0/22AS9916NCTU-TW - National Yang Ming Chiao Tung University Valid—6/15/2026
140.141.220.0/22AS12119I3BROADBAND - ITV-3 Valid—6/15/2026
140.133.88.0/22AS17713NSYSU-TW - Ministry of Education Computer Center Valid—6/15/2026
140.129.112.0/22AS17716NTU-TW - National Taiwan University Valid—6/15/2026
140.143.160.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.124.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.128.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.132.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.136.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.140.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.144.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.148.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.152.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.156.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.164.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.168.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.172.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.176.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.180.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.184.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.188.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.192.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.196.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.200.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.204.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.208.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.212.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.216.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.220.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.224.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.228.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.232.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.236.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.240.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.244.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.248.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.84.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.88.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.92.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.96.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.104.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.116.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.120.0/22AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.128.2.0/23AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.131.150.0/23AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.102.0/23AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.131.2.0/23AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.128.48.0/23AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.128.0/23AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.2.0/23AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.133.92.0/23AS17713NSYSU-TW - Ministry of Education Computer Center Valid—6/15/2026
140.143.108.0/23AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.110.0/23AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.252.0/23AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.254.0/23AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.80.0/23AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.82.0/23AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.114.0/23AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.100.0/23AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.143.102.0/23AS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited Valid—6/15/2026
140.131.1.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.175.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.130.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.40.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.101.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.128.50.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.171.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.128.191.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.131.20.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.130.1.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.128.1.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—6/15/2026
140.129.80.0/24AS9916NCTU-TW - National Yang Ming Chiao Tung University Valid—6/15/2026
140.129.51.0/24AS9916NCTU-TW - National Yang Ming Chiao Tung University Valid—6/15/2026

More Specific Prefixes

17
PrefixASCountryStatus
140.128.0.0/13AS1659🇹🇼TWassigned
140.136.0.0/15AS1659🇹🇼TWallocated
140.129.0.0/16🇹🇼TWallocated
140.130.0.0/16AS17712🇹🇼TWallocated
140.131.0.0/16AS17716🇹🇼TWallocated
140.132.0.0/16AS1659🇹🇼TWallocated
140.133.0.0/16🇹🇼TWallocated
140.134.0.0/16AS1659🇹🇼TWallocated
140.135.0.0/16AS1659🇹🇼TWallocated
140.138.0.0/16AS1659🇹🇼TWallocated
140.139.0.0/16AS367🇺🇸USallocated
140.140.0.0/16AS749🇺🇸USallocated
140.143.0.0/16AS45090🇨🇳CNallocated
140.128.0.0/16AS1659🇹🇼TWallocated
140.142.0.0/16AS73🇺🇸USallocated
140.141.0.0/17AS600🇺🇸USallocated
140.141.128.0/17AS12119🇺🇸USallocated
Geolocation
Country🇹🇼TaiwanTW
RegionTaiwan
CityTaichung
Coordinates24.1236, 120.6750 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/140.128.0.0/12

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

curl -s "https://api.ipctl.io/v1/prefix/140.128.0.0/12" | jq
External Links
RIPEstat Hurricane Electric BGP