121.11.16.0/20

🇨🇳

IPv4APNICannouncedAS140308CHINATELECOM-GUANGDONG-ZHUHAI-5G-NETWORK - CHINATELECOM Guangdong province Zhuhai 5G networkNo ROA

CIDR

121.11.16.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇨🇳 China

City

Beijing

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
121.11.16.0/20	AS140308CHINATELECOM-GUANGDONG-ZHUHAI-5G-NETWORK - CHINATELECOM Guangdong province Zhuhai 5G network	No ROA	RADB	5/31/2026

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
121.8.0.0/13	AS4134CHINANET-BACKBONE - No.31,Jin-rong Street	No ROA	—	5/31/2026

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS140308	RADB	MAINT-AS4813	3/16/2026

More Specific Prefixes

Prefix	Country	Status
121.11.19.192/26	🇨🇳CN	assigned
121.11.19.160/27	🇨🇳CN	assigned
121.11.18.192/27	🇨🇳CN	assigned
121.11.21.144/28	🇨🇳CN	assigned
121.11.18.16/29	🇨🇳CN	assigned
121.11.18.128/29	🇨🇳CN	assigned
121.11.20.88/29	🇨🇳CN	assigned
121.11.20.120/29	🇨🇳CN	assigned
121.11.16.0/29	🇨🇳CN	assigned
121.11.17.32/29	🇨🇳CN	assigned
121.11.17.80/29	🇨🇳CN	assigned
121.11.17.88/29	🇨🇳CN	assigned
121.11.18.160/29	🇨🇳CN	assigned
121.11.18.168/29	🇨🇳CN	assigned
121.11.18.224/29	🇨🇳CN	assigned
121.11.19.32/29	🇨🇳CN	assigned
121.11.20.72/29	🇨🇳CN	assigned
121.11.20.80/29	🇨🇳CN	assigned
121.11.20.176/29	🇨🇳CN	assigned
121.11.20.216/29	🇨🇳CN	assigned
121.11.20.224/29	🇨🇳CN	assigned
121.11.20.232/29	🇨🇳CN	assigned
121.11.20.240/29	🇨🇳CN	assigned
121.11.21.64/29	🇨🇳CN	assigned
121.11.21.200/29	🇨🇳CN	assigned
121.11.18.176/29	🇨🇳CN	assigned
121.11.19.0/29	🇨🇳CN	assigned
121.11.20.160/29	🇨🇳CN	assigned
121.11.20.200/29	🇨🇳CN	assigned
121.11.20.208/29	🇨🇳CN	assigned
121.11.20.184/29	🇨🇳CN	assigned
121.11.20.248/29	🇨🇳CN	assigned
121.11.20.96/29	🇨🇳CN	assigned
121.11.17.104/29	🇨🇳CN	assigned
121.11.20.104/29	🇨🇳CN	assigned
121.11.17.16/29	🇨🇳CN	assigned
121.11.17.8/29	🇨🇳CN	assigned
121.11.21.232/29	🇨🇳CN	assigned
121.11.18.184/29	🇨🇳CN	assigned
121.11.19.24/29	🇨🇳CN	assigned
121.11.16.16/29	🇨🇳CN	assigned
121.11.16.32/29	🇨🇳CN	assigned
121.11.16.40/29	🇨🇳CN	assigned
121.11.16.56/29	🇨🇳CN	assigned
121.11.17.0/29	🇨🇳CN	assigned
121.11.17.40/29	🇨🇳CN	assigned
121.11.17.48/29	🇨🇳CN	assigned
121.11.17.64/29	🇨🇳CN	assigned
121.11.17.72/29	🇨🇳CN	assigned
121.11.17.96/29	🇨🇳CN	assigned
121.11.17.120/29	🇨🇳CN	assigned
121.11.18.32/29	🇨🇳CN	assigned
121.11.18.96/29	🇨🇳CN	assigned
121.11.18.112/29	🇨🇳CN	assigned
121.11.18.120/29	🇨🇳CN	assigned
121.11.18.136/29	🇨🇳CN	assigned
121.11.18.152/29	🇨🇳CN	assigned
121.11.21.192/30	🇨🇳CN	assigned
121.11.20.136/30	🇨🇳CN	assigned
121.11.20.128/30	🇨🇳CN	assigned
121.11.18.248/30	🇨🇳CN	assigned
121.11.18.72/30	🇨🇳CN	assigned
121.11.20.168/30	🇨🇳CN	assigned
121.11.18.76/30	🇨🇳CN	assigned
121.11.18.24/30	🇨🇳CN	assigned
121.11.18.144/30	🇨🇳CN	assigned
121.11.18.28/30	🇨🇳CN	assigned
121.11.16.24/30	🇨🇳CN	assigned
121.11.16.8/30	🇨🇳CN	assigned
121.11.19.20/30	🇨🇳CN	assigned
121.11.20.140/31	🇨🇳CN	assigned
121.11.20.172/31	🇨🇳CN	assigned
121.11.20.174/32	🇨🇳CN	assigned
121.11.20.142/32	🇨🇳CN	assigned
121.11.20.132/32	🇨🇳CN	assigned

Origin ASN

AS140308

CHINATELECOM-GUANGDONG-ZHUHAI-5G-NETWORK - CHINATELECOM Guangdong province Zhuhai 5G network

Geolocation

Country🇨🇳ChinaCN

RegionBeijing

CityBeijing

Coordinates39.9042, 116.4070 ↗

API

Open

GEThttps://api.ipctl.io/v1/prefix/121.11.16.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/121.11.16.0/20" | jq

External Links

RIPEstat Hurricane Electric BGP