221.238.240.0/24

🇨🇳

CIDR

221.238.240.0/24

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
221.238.240.0/24	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
221.238.240.16/28	🇨🇳CN	assigned
221.238.240.8/29	🇨🇳CN	assigned
221.238.240.216/29	🇨🇳CN	assigned
221.238.240.184/29	🇨🇳CN	assigned
221.238.240.192/29	🇨🇳CN	assigned
221.238.240.200/29	🇨🇳CN	assigned
221.238.240.208/29	🇨🇳CN	assigned
221.238.240.0/29	🇨🇳CN	assigned
221.238.240.40/29	🇨🇳CN	assigned
221.238.240.48/29	🇨🇳CN	assigned
221.238.240.64/29	🇨🇳CN	assigned
221.238.240.72/29	🇨🇳CN	assigned
221.238.240.80/29	🇨🇳CN	assigned
221.238.240.88/29	🇨🇳CN	assigned
221.238.240.96/29	🇨🇳CN	assigned
221.238.240.104/29	🇨🇳CN	assigned
221.238.240.112/29	🇨🇳CN	assigned
221.238.240.120/29	🇨🇳CN	assigned
221.238.240.128/29	🇨🇳CN	assigned
221.238.240.136/29	🇨🇳CN	assigned
221.238.240.152/29	🇨🇳CN	assigned
221.238.240.160/29	🇨🇳CN	assigned
221.238.240.168/29	🇨🇳CN	assigned
221.238.240.176/29	🇨🇳CN	assigned
221.238.240.32/30	🇨🇳CN	assigned
221.238.240.36/30	🇨🇳CN	assigned
221.238.240.144/30	🇨🇳CN	assigned
221.238.240.148/30	🇨🇳CN	assigned
221.238.240.56/30	🇨🇳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/221.238.240.0/24" | jq

External Links