Home Prefix Lookup219.142.0.0/17

219.142.0.0/17 - China Networks Inter Exchange (AS4847)

IPv4APNICassignedAS4847CNIX-AP - China Networks Inter-Exchange RPKI Valid

CIDR

219.142.0.0/17

IP Version

IPv4

Addresses

32.7K

Mask

/17 (255.255.128.0)

Country

🇨🇳 China

City

Beijing

RIR

APNIC

Status

assigned

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
219.142.0.0/17	AS4847 CNIX-AP - China Networks Inter-Exchange	Valid	Other IRR	2026-10-12

Related Announcements

1 less-specific, 8 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
219.142.0.0/16	AS4847 CNIX-AP - China Networks Inter-Exchange	Valid	-	2026-10-12
219.142.5.0/24	AS4847 CNIX-AP - China Networks Inter-Exchange	Invalid	-	2026-10-12
219.142.34.0/24	AS4847 CNIX-AP - China Networks Inter-Exchange	Valid	-	2026-10-12
219.142.43.0/24	AS4847 CNIX-AP - China Networks Inter-Exchange	Valid	-	2026-10-12
219.142.51.0/24	AS4847 CNIX-AP - China Networks Inter-Exchange	Valid	-	2026-10-12
219.142.70.0/24	AS4847 CNIX-AP - China Networks Inter-Exchange	Valid	-	2026-10-12
219.142.78.0/24	AS23724 CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	-	2026-10-12
219.142.91.0/24	AS4847 CNIX-AP - China Networks Inter-Exchange	Valid	-	2026-10-12
219.142.118.0/24	AS23724 CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
219.142.0.0/17	AS4847	/17	apnic
219.142.0.0/16	AS4847	/16	apnic

IRR Route Objects

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

More Specific Prefixes

100

Prefix	AS	Country	Status
219.142.32.0/21		🇨🇳CN	assigned
219.142.40.0/26		🇨🇳CN	assigned
219.142.40.64/26		🇨🇳CN	assigned
219.142.40.128/26		🇨🇳CN	assigned
219.142.41.0/24		🇨🇳CN	assigned
219.142.43.0/24	AS4847	🇨🇳CN	assigned
219.142.44.64/26		🇨🇳CN	assigned
219.142.44.128/26		🇨🇳CN	assigned
219.142.45.0/24		🇨🇳CN	assigned
219.142.46.0/26		🇨🇳CN	assigned
219.142.46.192/26		🇨🇳CN	assigned
219.142.47.64/26		🇨🇳CN	assigned
219.142.48.0/26		🇨🇳CN	assigned
219.142.49.0/24		🇨🇳CN	assigned
219.142.50.0/25		🇨🇳CN	assigned
219.142.51.0/24	AS4847	🇨🇳CN	assigned
219.142.52.0/25		🇨🇳CN	assigned
219.142.53.0/25		🇨🇳CN	assigned
219.142.53.192/26		🇨🇳CN	assigned
219.142.57.0/24		🇨🇳CN	assigned
219.142.58.0/24		🇨🇳CN	assigned
219.142.59.64/26		🇨🇳CN	assigned
219.142.59.192/26		🇨🇳CN	assigned
219.142.60.0/24		🇨🇳CN	assigned
219.142.61.0/24		🇨🇳CN	assigned
219.142.62.0/24		🇨🇳CN	assigned
219.142.63.96/27		🇨🇳CN	assigned
219.142.63.128/26		🇨🇳CN	assigned
219.142.63.192/26		🇨🇳CN	assigned
219.142.64.0/25		🇨🇳CN	assigned
219.142.64.128/26		🇨🇳CN	assigned
219.142.65.0/24		🇨🇳CN	assigned
219.142.66.0/26		🇨🇳CN	assigned
219.142.66.128/26		🇨🇳CN	assigned
219.142.67.0/26		🇨🇳CN	assigned
219.142.67.128/25		🇨🇳CN	assigned
219.142.68.0/26		🇨🇳CN	assigned
219.142.68.192/26		🇨🇳CN	assigned
219.142.69.0/24		🇨🇳CN	assigned
219.142.70.128/25		🇨🇳CN	assigned
219.142.71.0/24		🇨🇳CN	assigned
219.142.72.0/24		🇨🇳CN	assigned
219.142.73.0/24		🇨🇳CN	assigned
219.142.74.192/26		🇨🇳CN	assigned
219.142.75.0/26		🇨🇳CN	assigned
219.142.76.0/24		🇨🇳CN	assigned
219.142.77.0/24		🇨🇳CN	assigned
219.142.78.0/24	AS23724	🇨🇳CN	assigned
219.142.79.0/26		🇨🇳CN	assigned
219.142.79.128/25		🇨🇳CN	assigned
219.142.81.0/24		🇨🇳CN	assigned
219.142.82.0/24		🇨🇳CN	assigned
219.142.83.0/24		🇨🇳CN	assigned
219.142.84.0/24		🇨🇳CN	assigned
219.142.85.0/26		🇨🇳CN	assigned
219.142.86.64/26		🇨🇳CN	assigned
219.142.87.64/26		🇨🇳CN	assigned
219.142.88.0/24		🇨🇳CN	assigned
219.142.89.0/25		🇨🇳CN	assigned
219.142.89.128/25		🇨🇳CN	assigned
219.142.90.0/26		🇨🇳CN	assigned
219.142.90.64/26		🇨🇳CN	assigned
219.142.90.128/26		🇨🇳CN	assigned
219.142.91.0/24	AS4847	🇨🇳CN	assigned
219.142.92.0/23		🇨🇳CN	assigned
219.142.94.0/23		🇨🇳CN	assigned
219.142.96.0/23		🇨🇳CN	assigned
219.142.98.0/24		🇨🇳CN	assigned
219.142.99.192/26		🇨🇳CN	assigned
219.142.100.64/26		🇨🇳CN	assigned
219.142.100.128/26		🇨🇳CN	assigned
219.142.101.0/24		🇨🇳CN	assigned
219.142.102.0/26		🇨🇳CN	assigned
219.142.102.64/26		🇨🇳CN	assigned
219.142.102.128/25		🇨🇳CN	assigned
219.142.103.0/24		🇨🇳CN	assigned
219.142.104.0/23		🇨🇳CN	assigned
219.142.106.0/24		🇨🇳CN	assigned
219.142.107.0/24		🇨🇳CN	assigned
219.142.108.0/23		🇨🇳CN	assigned
219.142.110.0/24		🇨🇳CN	assigned
219.142.111.0/24		🇨🇳CN	assigned
219.142.112.0/23		🇨🇳CN	assigned
219.142.114.0/25		🇨🇳CN	assigned
219.142.114.128/27		🇨🇳CN	assigned
219.142.115.0/24		🇨🇳CN	assigned
219.142.116.0/24		🇨🇳CN	assigned
219.142.117.0/24		🇨🇳CN	assigned
219.142.118.0/24	AS23724	🇨🇳CN	assigned
219.142.119.0/24		🇨🇳CN	assigned
219.142.120.0/24		🇨🇳CN	assigned
219.142.121.0/26		🇨🇳CN	assigned
219.142.121.128/26		🇨🇳CN	assigned
219.142.122.0/24		🇨🇳CN	assigned
219.142.123.0/24		🇨🇳CN	assigned
219.142.124.0/25		🇨🇳CN	assigned
219.142.124.128/25		🇨🇳CN	assigned
219.142.125.0/24		🇨🇳CN	assigned
219.142.126.0/24		🇨🇳CN	assigned
219.142.127.0/24		🇨🇳CN	assigned

Origin ASN

AS4847

CNIX-AP - China Networks Inter-Exchange

Related Prefixes

Covering prefix

219.142.0.0/16AS4847

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/219.142.0.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/219.142.0.0/17" | jq

External Links

RIPEstat