HomePrefix Lookup221.238.192.0/18

221.238.192.0/18

🇨🇳
IPv4APNICannouncedAS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA
CIDR
221.238.192.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇨🇳 China
City
Youyilu
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
221.238.192.0/18AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA
RADB
6/2/2026

Covering Prefix

15 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
221.238.202.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026
221.238.203.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026
221.238.204.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026
221.238.206.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026
221.238.208.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026
221.238.214.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026
221.238.217.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026
221.238.219.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026
221.238.220.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026
221.238.231.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026
221.238.232.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026
221.238.234.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026
221.238.237.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026
221.238.240.0/24AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA—6/2/2026
221.238.242.0/24AS17638CHINATELECOM-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

100
PrefixASCountryStatus
221.238.244.0/24🇨🇳CNassigned
221.238.235.0/24🇨🇳CNassigned
221.238.242.0/24AS17638🇨🇳CNassigned
221.238.247.0/24AS132536🇨🇳CNassigned
221.238.246.0/25🇨🇳CNassigned
221.238.245.0/25🇨🇳CNassigned
221.238.234.128/25🇨🇳CNassigned
221.238.225.128/25🇨🇳CNassigned
221.238.231.128/25🇨🇳CNassigned
221.238.242.0/25🇨🇳CNassigned
221.238.239.0/25🇨🇳CNassigned
221.238.245.128/25🇨🇳CNassigned
221.238.246.128/25🇨🇳CNassigned
221.238.242.128/25🇨🇳CNassigned
221.238.198.128/26🇨🇳CNassigned
221.238.243.128/26🇨🇳CNassigned
221.238.243.0/26🇨🇳CNassigned
221.238.236.0/26🇨🇳CNassigned
221.238.226.64/26🇨🇳CNassigned
221.238.248.128/26🇨🇳CNassigned
221.238.225.0/26🇨🇳CNassigned
221.238.204.64/26🇨🇳CNassigned
221.238.248.64/26🇨🇳CNassigned
221.238.209.64/26🇨🇳CNassigned
221.238.243.64/26🇨🇳CNassigned
221.238.226.128/26🇨🇳CNassigned
221.238.251.128/26🇨🇳CNassigned
221.238.196.192/26🇨🇳CNassigned
221.238.207.96/27🇨🇳CNassigned
221.238.198.32/27🇨🇳CNassigned
221.238.204.128/27🇨🇳CNassigned
221.238.193.64/27🇨🇳CNassigned
221.238.241.0/27🇨🇳CNassigned
221.238.237.224/27🇨🇳CNassigned
221.238.241.224/27🇨🇳CNassigned
221.238.207.160/27🇨🇳CNassigned
221.238.226.0/27🇨🇳CNassigned
221.238.202.96/27🇨🇳CNassigned
221.238.220.192/27🇨🇳CNassigned
221.238.228.128/27🇨🇳CNassigned
221.238.228.224/27🇨🇳CNassigned
221.238.227.32/27🇨🇳CNassigned
221.238.227.224/27🇨🇳CNassigned
221.238.210.192/27🇨🇳CNassigned
221.238.209.128/27🇨🇳CNassigned
221.238.248.0/27🇨🇳CNassigned
221.238.203.0/27🇨🇳CNassigned
221.238.193.240/28🇨🇳CNassigned
221.238.196.128/28🇨🇳CNassigned
221.238.195.144/28🇨🇳CNassigned
221.238.195.128/28🇨🇳CNassigned
221.238.204.48/28🇨🇳CNassigned
221.238.240.16/28🇨🇳CNassigned
221.238.241.80/28🇨🇳CNassigned
221.238.237.32/28🇨🇳CNassigned
221.238.238.64/28🇨🇳CNassigned
221.238.203.208/28🇨🇳CNassigned
221.238.231.48/28🇨🇳CNassigned
221.238.232.64/28🇨🇳CNassigned
221.238.230.96/28🇨🇳CNassigned
221.238.229.0/28🇨🇳CNassigned
221.238.230.176/28🇨🇳CNassigned
221.238.232.128/28🇨🇳CNassigned
221.238.228.96/28🇨🇳CNassigned
221.238.227.112/28🇨🇳CNassigned
221.238.227.80/28🇨🇳CNassigned
221.238.227.16/28🇨🇳CNassigned
221.238.203.240/28🇨🇳CNassigned
221.238.207.32/28🇨🇳CNassigned
221.238.228.208/28🇨🇳CNassigned
221.238.232.176/28🇨🇳CNassigned
221.238.225.96/28🇨🇳CNassigned
221.238.220.112/28🇨🇳CNassigned
221.238.220.224/28🇨🇳CNassigned
221.238.219.112/28🇨🇳CNassigned
221.238.217.128/28🇨🇳CNassigned
221.238.219.208/28🇨🇳CNassigned
221.238.225.80/28🇨🇳CNassigned
221.238.204.0/28🇨🇳CNassigned
221.238.202.176/28🇨🇳CNassigned
221.238.217.112/28🇨🇳CNassigned
221.238.226.192/28🇨🇳CNassigned
221.238.219.240/28🇨🇳CNassigned
221.238.214.96/28🇨🇳CNassigned
221.238.228.0/28🇨🇳CNassigned
221.238.228.48/28🇨🇳CNassigned
221.238.203.192/28🇨🇳CNassigned
221.238.203.112/28🇨🇳CNassigned
221.238.230.64/28🇨🇳CNassigned
221.238.214.224/28🇨🇳CNassigned
221.238.231.0/28🇨🇳CNassigned
221.238.231.32/28🇨🇳CNassigned
221.238.214.16/28🇨🇳CNassigned
221.238.203.48/28🇨🇳CNassigned
221.238.214.80/28🇨🇳CNassigned
221.238.217.64/28🇨🇳CNassigned
221.238.210.48/28🇨🇳CNassigned
221.238.208.128/28🇨🇳CNassigned
221.238.207.240/28🇨🇳CNassigned
221.238.209.32/28🇨🇳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/221.238.192.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/221.238.192.0/18" | jq
External Links
RIPEstat Hurricane Electric BGP