Home Prefix Lookup2001:253:209::/48

2001:253:209::/48 - China Education And Research Network CERNET (AS142075)

IPv6APNICannouncedAS142075AS142075-9 - China Education and Research Network CERNET RPKI Valid

CIDR

2001:253:209::/48

IP Version

IPv6

Addresses

1.2Y

Mask

/48

Country

🇨🇳 China

City

Haidian (Haidian Qu)

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
2001:253:209::/48	AS142075 AS142075-9 - China Education and Research Network CERNET	Valid	-	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:253::/32	AS38272 FITI-AS-BKB China Education and Research Network CERNET	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2001:253:209::/48	AS142075	/48	apnic
2001:253::/32	AS23910	/32	apnic
2001:253::/32	AS38272	/32	apnic

Origin ASN

AS142075

AS142075-9 - China Education and Research Network CERNET

Related Prefixes

Covering prefix

2001:253::/32AS38272

Geolocation

Country🇨🇳ChinaCN

RegionBeijing

CityHaidian (Haidian Qu)

Coordinates39.9997, 116.3260 ↗

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/2001:253:209::/48

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

curl -s "https://api.ipctl.io/v1/prefix/2001:253:209::/48" | jq

External Links

RIPEstat