HomePrefix Lookup221.238.237.0/24

221.238.237.0/24

🇨🇳
IPv4APNICannouncedAS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA
CIDR
221.238.237.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇨🇳 China
City
Youyilu
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
221.238.237.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA
RADB
6/2/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
221.238.192.0/18AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS17638RADBMAINT-CT-GNOC11/13/2023

More Specific Prefixes

24
PrefixASCountryStatus
221.238.237.224/27🇨🇳CNassigned
221.238.237.32/28🇨🇳CNassigned
221.238.237.56/29🇨🇳CNassigned
221.238.237.64/29🇨🇳CNassigned
221.238.237.72/29🇨🇳CNassigned
221.238.237.96/29🇨🇳CNassigned
221.238.237.104/29🇨🇳CNassigned
221.238.237.136/29🇨🇳CNassigned
221.238.237.48/29🇨🇳CNassigned
221.238.237.200/29🇨🇳CNassigned
221.238.237.208/29🇨🇳CNassigned
221.238.237.216/29🇨🇳CNassigned
221.238.237.120/29🇨🇳CNassigned
221.238.237.128/29🇨🇳CNassigned
221.238.237.144/29🇨🇳CNassigned
221.238.237.152/29🇨🇳CNassigned
221.238.237.160/29🇨🇳CNassigned
221.238.237.168/29🇨🇳CNassigned
221.238.237.176/29🇨🇳CNassigned
221.238.237.184/29🇨🇳CNassigned
221.238.237.192/29🇨🇳CNassigned
221.238.237.112/30🇨🇳CNassigned
221.238.237.4/30🇨🇳CNassigned
221.238.237.88/30🇨🇳CNassigned
Origin ASN
AS17638
CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT
Geolocation
Country🇨🇳ChinaCN
RegionTianjin
CityYouyilu
Coordinates39.0851, 117.1990 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/221.238.237.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/221.238.237.0/24" | jq
External Links
RIPEstat Hurricane Electric BGP