Home Prefix Lookup121.9.248.0/21

121.9.248.0/21

🇨🇳

IPv4APNICannouncedAS136200ChinaNet-Guangdong-Foshan-MAN - CHINANET Guangdong province Foshan MAN networkNo ROA

CIDR

121.9.248.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇨🇳 China

City

Guangzhou

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
121.9.248.0/21	AS136200ChinaNet-Guangdong-Foshan-MAN - CHINANET Guangdong province Foshan MAN network	No ROA	RADB	5/31/2026

Covering Prefix

5 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
121.8.0.0/13	AS4134CHINANET-BACKBONE - No.31,Jin-rong Street	No ROA	—	5/31/2026
121.9.248.0/22	AS136200ChinaNet-Guangdong-Foshan-MAN - CHINANET Guangdong province Foshan MAN network	No ROA	—	5/31/2026
121.9.252.0/23	AS136200ChinaNet-Guangdong-Foshan-MAN - CHINANET Guangdong province Foshan MAN network	No ROA	—	5/31/2026
121.9.254.0/24	AS136200ChinaNet-Guangdong-Foshan-MAN - CHINANET Guangdong province Foshan MAN network	No ROA	—	5/31/2026
121.9.255.0/24	AS136200ChinaNet-Guangdong-Foshan-MAN - CHINANET Guangdong province Foshan MAN network	No ROA	—	5/31/2026

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS136200	RADB	MAINT-AS4813	3/16/2026

More Specific Prefixes

Prefix	Country	Status
121.9.249.0/24	🇨🇳CN	assigned
121.9.255.96/27	🇨🇳CN	assigned
121.9.255.224/28	🇨🇳CN	assigned
121.9.255.32/28	🇨🇳CN	assigned
121.9.255.192/29	🇨🇳CN	assigned
121.9.255.208/29	🇨🇳CN	assigned
121.9.248.184/29	🇨🇳CN	assigned
121.9.251.16/29	🇨🇳CN	assigned
121.9.255.144/29	🇨🇳CN	assigned
121.9.248.192/29	🇨🇳CN	assigned
121.9.251.248/29	🇨🇳CN	assigned
121.9.253.0/29	🇨🇳CN	assigned
121.9.255.56/29	🇨🇳CN	assigned
121.9.255.184/29	🇨🇳CN	assigned
121.9.255.168/29	🇨🇳CN	assigned
121.9.255.0/29	🇨🇳CN	assigned
121.9.251.208/29	🇨🇳CN	assigned
121.9.255.72/29	🇨🇳CN	assigned
121.9.252.40/29	🇨🇳CN	assigned
121.9.255.160/29	🇨🇳CN	assigned
121.9.251.232/30	🇨🇳CN	assigned
121.9.251.236/30	🇨🇳CN	assigned
121.9.251.240/30	🇨🇳CN	assigned
121.9.252.112/30	🇨🇳CN	assigned
121.9.252.124/30	🇨🇳CN	assigned
121.9.252.144/30	🇨🇳CN	assigned
121.9.252.220/30	🇨🇳CN	assigned
121.9.252.224/30	🇨🇳CN	assigned
121.9.248.140/30	🇨🇳CN	assigned
121.9.255.128/30	🇨🇳CN	assigned
121.9.255.176/30	🇨🇳CN	assigned
121.9.251.124/30	🇨🇳CN	assigned
121.9.251.244/30	🇨🇳CN	assigned
121.9.252.28/30	🇨🇳CN	assigned
121.9.252.140/30	🇨🇳CN	assigned
121.9.255.92/30	🇨🇳CN	assigned
121.9.253.8/30	🇨🇳CN	assigned
121.9.248.168/30	🇨🇳CN	assigned
121.9.248.172/30	🇨🇳CN	assigned
121.9.251.168/30	🇨🇳CN	assigned
121.9.252.184/30	🇨🇳CN	assigned
121.9.252.204/30	🇨🇳CN	assigned
121.9.252.216/30	🇨🇳CN	assigned
121.9.255.220/30	🇨🇳CN	assigned
121.9.248.124/30	🇨🇳CN	assigned
121.9.252.52/30	🇨🇳CN	assigned
121.9.255.16/30	🇨🇳CN	assigned
121.9.251.128/30	🇨🇳CN	assigned
121.9.255.180/30	🇨🇳CN	assigned
121.9.248.92/30	🇨🇳CN	assigned
121.9.251.152/30	🇨🇳CN	assigned
121.9.251.156/30	🇨🇳CN	assigned
121.9.251.160/30	🇨🇳CN	assigned
121.9.251.220/30	🇨🇳CN	assigned
121.9.251.224/30	🇨🇳CN	assigned
121.9.251.228/30	🇨🇳CN	assigned

Origin ASN

AS136200

ChinaNet-Guangdong-Foshan-MAN - CHINANET Guangdong province Foshan MAN network

Geolocation

Country🇨🇳ChinaCN

RegionGuangdong

CityGuangzhou

Coordinates23.1317, 113.2660 ↗

API

Open

GEThttps://api.ipctl.io/v1/prefix/121.9.248.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/121.9.248.0/21" | jq

External Links

RIPEstat Hurricane Electric BGP