Home Prefix Lookup202.103.144.0/21

202.103.144.0/21 - CHINANET Guangdong Province Shenzhen MAN Network (AS134774)

IPv4APNICannouncedAS134774ChinaNet-Guangdong-Shenzhen-MAN - CHINANET Guangdong province Shenzhen MAN network RPKI Valid

CIDR

202.103.144.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇨🇳 China

City

Shenzhen

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
202.103.144.0/21	AS134774 ChinaNet-Guangdong-Shenzhen-MAN - CHINANET Guangdong province Shenzhen MAN network	Valid	Other IRR	2026-10-12

Related Announcements

1 less-specific, 1 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
202.103.128.0/18	AS4134 CHINANET-BACKBONE - No.31,Jin-rong Street	Valid	-	2026-10-12
202.103.149.0/24	AS134774 ChinaNet-Guangdong-Shenzhen-MAN - CHINANET Guangdong province Shenzhen MAN network	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
202.103.144.0/21	AS134774	/21	apnic
202.103.128.0/18	AS4134	/18	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS134774	Other IRR	MAINT-AS4813	2026-06-12

More Specific Prefixes

Prefix	Country	Status
202.103.144.0/27	🇨🇳CN	assigned
202.103.144.64/28	🇨🇳CN	assigned
202.103.144.80/28	🇨🇳CN	assigned
202.103.144.160/28	🇨🇳CN	assigned
202.103.144.192/28	🇨🇳CN	assigned
202.103.145.240/28	🇨🇳CN	assigned
202.103.146.16/28	🇨🇳CN	assigned
202.103.146.64/28	🇨🇳CN	assigned
202.103.147.128/26	🇨🇳CN	assigned
202.103.148.16/28	🇨🇳CN	assigned
202.103.148.32/28	🇨🇳CN	assigned
202.103.148.96/28	🇨🇳CN	assigned
202.103.148.112/28	🇨🇳CN	assigned
202.103.148.192/28	🇨🇳CN	assigned
202.103.149.0/27	🇨🇳CN	assigned
202.103.149.32/27	🇨🇳CN	assigned
202.103.149.64/28	🇨🇳CN	assigned
202.103.151.0/28	🇨🇳CN	assigned
202.103.151.80/28	🇨🇳CN	assigned
202.103.151.112/28	🇨🇳CN	assigned
202.103.151.128/28	🇨🇳CN	assigned
202.103.151.176/28	🇨🇳CN	assigned
202.103.151.192/27	🇨🇳CN	assigned
202.103.151.224/27	🇨🇳CN	assigned

Origin ASN

AS134774

ChinaNet-Guangdong-Shenzhen-MAN - CHINANET Guangdong province Shenzhen MAN network

Related Prefixes

Covering prefix

202.103.128.0/18AS4134

More prefixes of AS134774

All prefixes of AS134774 →

Geolocation

Country🇨🇳ChinaCN

RegionGuangdong

CityShenzhen

Coordinates22.5429, 114.0600 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/202.103.144.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/202.103.144.0/21" | jq

External Links

RIPEstat