Home Prefix Lookup222.249.120.0/21

222.249.120.0/21 - China Networks Inter Exchange (AS4847)

IPv4APNICannouncedAS4847CNIX-AP - China Networks Inter-Exchange RPKI Valid

CIDR

222.249.120.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇨🇳 China

City

Beijing

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
222.249.120.0/21	AS4847 CNIX-AP - China Networks Inter-Exchange	Valid	Other IRR	2026-10-12

Covering Prefix

4 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
222.249.0.0/17	AS4847 CNIX-AP - China Networks Inter-Exchange	Valid	-	2026-10-12
222.249.0.0/17	AS24350 CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and Telecommunications	Invalid	-	2026-10-12
222.249.64.0/18	AS4847 CNIX-AP - China Networks Inter-Exchange	Valid	-	2026-10-12
222.249.64.0/18	AS24350 CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and Telecommunications	Invalid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
222.249.120.0/21	AS4847	/21	apnic
222.249.64.0/18	AS4847	/18	apnic
222.249.0.0/17	AS4847	/17	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS4847	Other IRR	MAINT-AS4847	2023-11-13

More Specific Prefixes

Prefix	Country	Status
222.249.120.0/25	🇨🇳CN	assigned
222.249.120.128/25	🇨🇳CN	assigned
222.249.121.0/25	🇨🇳CN	assigned
222.249.121.128/25	🇨🇳CN	assigned
222.249.122.0/25	🇨🇳CN	assigned
222.249.122.128/25	🇨🇳CN	assigned
222.249.123.0/25	🇨🇳CN	assigned
222.249.123.128/25	🇨🇳CN	assigned
222.249.124.0/25	🇨🇳CN	assigned
222.249.124.128/25	🇨🇳CN	assigned
222.249.125.0/25	🇨🇳CN	assigned
222.249.125.128/25	🇨🇳CN	assigned
222.249.126.0/25	🇨🇳CN	assigned
222.249.126.128/25	🇨🇳CN	assigned
222.249.127.0/25	🇨🇳CN	assigned
222.249.127.128/25	🇨🇳CN	assigned

Transfer History

Registry transfers of 222.249.120.0/21, blocks inside it, or blocks containing it.

222.249.0.0/17Transfer · 2024-12-12
China Internet Network Information Center/bjenet
🇨🇳 CN APNIC
→
China Internet Network Information Center/BITCC
🇨🇳 CN APNIC

Date	Resource	From	To	Type
2024-12-12	222.249.0.0/17	China Internet Network Information Center/bjenet 🇨🇳 CN APNIC	China Internet Network Information Center/BITCC 🇨🇳 CN APNIC	Transfer

Origin ASN

AS4847

CNIX-AP - China Networks Inter-Exchange

Related Prefixes

Covering prefix

222.249.64.0/18AS4847

More prefixes of AS4847

All prefixes of AS4847 →

Geolocation

Country🇨🇳ChinaCN

RegionBeijing

CityBeijing

Coordinates39.9042, 116.4070 ↗

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/222.249.120.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/222.249.120.0/21" | jq

External Links

RIPEstat