Home Prefix Lookup220.182.40.0/23

220.182.40.0/23 - China Telecom Next Generation Carrier Network (AS4809)

IPv4APNICannouncedAS4809CHINATELECOM-CORE-WAN-CN2 - China Telecom Next Generation Carrier Network RPKI Valid

CIDR

220.182.40.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇨🇳 China

City

Lhasa (Lhasa Chengguanqu)

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
220.182.40.0/23	AS4809 CHINATELECOM-CORE-WAN-CN2 - China Telecom Next Generation Carrier Network	Valid	APNICOther IRR	2026-10-12

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
220.182.0.0/18	AS4134 CHINANET-BACKBONE - No.31,Jin-rong Street	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
220.182.40.0/23	AS4809	/23	apnic
220.182.0.0/18	AS4134	/18	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS4809	APNIC	MAINT-CHINANET-XZ	2008-09-04
AS4809	Other IRR	MAINT-AS4637	2023-11-13

Origin ASN

AS4809

CHINATELECOM-CORE-WAN-CN2 - China Telecom Next Generation Carrier Network

Related Prefixes

Covering prefix

220.182.0.0/18AS4134

More prefixes of AS4809

All prefixes of AS4809 →

Geolocation

Country🇨🇳ChinaCN

RegionTibet

CityLhasa (Lhasa Chengguanqu)

Coordinates29.6548, 91.1405 ↗

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/220.182.40.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/220.182.40.0/23" | jq

External Links

RIPEstat