Home Prefix Lookup61.172.180.0/23

61.172.180.0/23 - CHINANET SHANGHAI MAN China Telecom Group (AS4811)

IPv4APNICannouncedAS4811CHINANET-SHANGHAI-MAN China Telecom Group RPKI Valid

CIDR

61.172.180.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇨🇳 China

City

Shanghai

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
61.172.180.0/23	AS4811 CHINANET-SHANGHAI-MAN China Telecom Group	Valid	Other IRR	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
61.172.0.0/16	AS4812 CHINANET-SH-AP China Telecom Group	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
61.172.180.0/23	AS4811	/23	apnic
61.172.0.0/16	AS4812	/16	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS4811	Other IRR	MAINT-AS4812	2025-11-11

Origin ASN

AS4811

CHINANET-SHANGHAI-MAN China Telecom Group

Related Prefixes

Covering prefix

61.172.0.0/16AS4812

More prefixes of AS4811

All prefixes of AS4811 →

Geolocation

Country🇨🇳ChinaCN

RegionShanghai

CityShanghai

Coordinates31.2304, 121.4740 ↗

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/61.172.180.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/61.172.180.0/23" | jq

External Links

RIPEstat