Home Prefix Lookup203.110.216.0/21

203.110.216.0/21 - Xiong'An, Hebei Province, P.R.China (AS136197)

IPv4APNICannouncedAS136197CHINATELECOM-HEBEI-XIONGAN - Xiong'an, Hebei Province, P.R.China. RPKI Valid

CIDR

203.110.216.0/21

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:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
203.110.216.0/21	AS136197 CHINATELECOM-HEBEI-XIONGAN - Xiong'an, Hebei Province, P.R.China.	Valid	Other IRR	2026-10-12

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
203.110.208.0/20	AS4134 CHINANET-BACKBONE - No.31,Jin-rong Street	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.110.216.0/21	AS136197	/21	apnic
203.110.208.0/20	AS4134	/20	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS136197	Other IRR	MAINT-AS134760	2023-11-13

Origin ASN

AS136197

CHINATELECOM-HEBEI-XIONGAN - Xiong'an, Hebei Province, P.R.China.

Related Prefixes

Covering prefix

203.110.208.0/20AS4134

More prefixes of AS136197

All prefixes of AS136197 →

Geolocation

Country🇨🇳ChinaCN

RegionGuangdong

CityGuangzhou

Coordinates23.1317, 113.2660 ↗

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/203.110.216.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/203.110.216.0/21" | jq

External Links

RIPEstat