HomePrefix Lookup203.68.0.0/16

203.68.0.0/16

🇹🇼
IPv4APNICallocatedAS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center RPKI Valid
CIDR
203.68.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇹🇼 Taiwan
City
Neihu District
RIR
APNIC
Status
allocated
Allocated
12/6/1995

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
203.68.0.0/16AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid
RADB
5/31/2026

Covering Prefix

41 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
203.68.32.0/22AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—5/31/2026
203.68.96.0/22AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—5/31/2026
203.68.172.0/22AS9916NCTU-TW - National Yang Ming Chiao Tung University Valid—5/31/2026
203.68.60.0/22AS17711NDHU-TW - National Dong Hwa University Valid—5/31/2026
203.68.0.0/22AS17713NSYSU-TW - Ministry of Education Computer Center Valid—5/31/2026
203.68.96.0/22AS17713NSYSU-TW - Ministry of Education Computer Center Valid—5/31/2026
203.68.156.0/22AS18177NCKU-TW - National Cheng Kung University Valid—5/31/2026
203.68.160.0/22AS18177NCKU-TW - National Cheng Kung University Valid—5/31/2026
203.68.180.0/22AS18177NCKU-TW - National Cheng Kung University Valid—5/31/2026
203.68.204.0/23AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—5/31/2026
203.68.94.0/23AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—5/31/2026
203.68.36.0/23AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—5/31/2026
203.68.248.0/23AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—5/31/2026
203.68.244.0/23AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—5/31/2026
203.68.192.0/23AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Invalid—5/31/2026
203.68.200.0/23AS17711NDHU-TW - National Dong Hwa University Valid—5/31/2026
203.68.24.0/23AS17711NDHU-TW - National Dong Hwa University Valid—5/31/2026
203.68.154.0/23AS17711NDHU-TW - National Dong Hwa University Valid—5/31/2026
203.68.94.0/23AS17713NSYSU-TW - Ministry of Education Computer Center Valid—5/31/2026
203.68.252.0/23AS17713NSYSU-TW - Ministry of Education Computer Center Valid—5/31/2026
203.68.4.0/23AS17713NSYSU-TW - Ministry of Education Computer Center Valid—5/31/2026
203.68.26.0/23AS18177NCKU-TW - National Cheng Kung University Valid—5/31/2026
203.68.184.0/23AS18177NCKU-TW - National Cheng Kung University Valid—5/31/2026
203.68.203.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—5/31/2026
203.68.75.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—5/31/2026
203.68.250.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—5/31/2026
203.68.243.0/24AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center Valid—5/31/2026
203.68.219.0/24AS9916NCTU-TW - National Yang Ming Chiao Tung University Invalid—5/31/2026
203.68.210.0/24AS17711NDHU-TW - National Dong Hwa University Valid—5/31/2026
203.68.153.0/24AS17711NDHU-TW - National Dong Hwa University Valid—5/31/2026
203.68.72.0/24AS17711NDHU-TW - National Dong Hwa University Valid—5/31/2026
203.68.59.0/24AS17711NDHU-TW - National Dong Hwa University Valid—5/31/2026
203.68.31.0/24AS17716NTU-TW - National Taiwan University Valid—5/31/2026
203.68.168.0/24AS17716NTU-TW - National Taiwan University Valid—5/31/2026
203.68.236.0/24AS17716NTU-TW - National Taiwan University Valid—5/31/2026
203.68.74.0/24AS18177NCKU-TW - National Cheng Kung University Valid—5/31/2026
203.68.179.0/24AS18177NCKU-TW - National Cheng Kung University Valid—5/31/2026
203.68.164.0/24AS18177NCKU-TW - National Cheng Kung University Valid—5/31/2026
203.68.23.0/24AS18177NCKU-TW - National Cheng Kung University Valid—5/31/2026
203.68.102.0/24AS18177NCKU-TW - National Cheng Kung University Valid—5/31/2026
203.68.191.0/24AS18177NCKU-TW - National Cheng Kung University Valid—5/31/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
203.68.0.0/16AS1659/16apnic

IRR Route Objects

1
OriginRegistryMaintainerModified
AS1659RADBMAINT-AS463711/13/2023
Origin ASN
AS1659
ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center
Geolocation
Country🇹🇼TaiwanTW
RegionTaiwan
CityNeihu District
Coordinates25.0689, 121.5910 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/203.68.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/203.68.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP