221.238.203.0/24

🇨🇳

CIDR

221.238.203.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇨🇳 China

City

Dawangzhuang (Hedong Qu)

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
221.238.203.0/24	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	RADB	6/2/2026

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
221.238.192.0/18	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	6/2/2026

Origin	Registry	Maintainer	Modified
AS17638	RADB	MAINT-CT-GNOC	11/13/2023

Prefix	Country	Status
221.238.203.0/27	🇨🇳CN	assigned
221.238.203.240/28	🇨🇳CN	assigned
221.238.203.48/28	🇨🇳CN	assigned
221.238.203.112/28	🇨🇳CN	assigned
221.238.203.192/28	🇨🇳CN	assigned
221.238.203.208/28	🇨🇳CN	assigned
221.238.203.144/29	🇨🇳CN	assigned
221.238.203.152/29	🇨🇳CN	assigned
221.238.203.160/29	🇨🇳CN	assigned
221.238.203.104/29	🇨🇳CN	assigned
221.238.203.224/29	🇨🇳CN	assigned
221.238.203.72/29	🇨🇳CN	assigned
221.238.203.232/29	🇨🇳CN	assigned
221.238.203.80/29	🇨🇳CN	assigned
221.238.203.88/29	🇨🇳CN	assigned
221.238.203.32/29	🇨🇳CN	assigned
221.238.203.96/29	🇨🇳CN	assigned
221.238.203.64/30	🇨🇳CN	assigned
221.238.203.128/30	🇨🇳CN	assigned
221.238.203.132/30	🇨🇳CN	assigned
221.238.203.136/30	🇨🇳CN	assigned
221.238.203.140/30	🇨🇳CN	assigned
221.238.203.168/30	🇨🇳CN	assigned
221.238.203.172/30	🇨🇳CN	assigned
221.238.203.184/30	🇨🇳CN	assigned
221.238.203.40/30	🇨🇳CN	assigned
221.238.203.44/30	🇨🇳CN	assigned
221.238.203.68/30	🇨🇳CN	assigned

Origin ASN

Geolocation

Country🇨🇳ChinaCN

RegionTianjin

CityDawangzhuang (Hedong Qu)

API

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

curl -s "https://api.ipctl.io/v1/prefix/221.238.203.0/24" | jq

External Links