Home Prefix Lookup211.103.80.0/20

211.103.80.0/20 - Tianjin Mobile Communication Company Limited (AS38019)

IPv4APNICannouncedAS38019CMNET-V4TIANJIN-AS-AP - tianjin Mobile Communication Company Limited RPKI Valid

CIDR

211.103.80.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇨🇳 China

City

Youyilu

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
211.103.80.0/20	AS38019 CMNET-V4TIANJIN-AS-AP - tianjin Mobile Communication Company Limited	Valid	APNICOther IRR	2026-10-12

Related Announcements

1 less-specific, 6 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
211.103.0.0/17	AS9808 CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.	No ROA	-	2026-10-12
211.103.82.0/23	AS38019 CMNET-V4TIANJIN-AS-AP - tianjin Mobile Communication Company Limited	Valid	-	2026-10-12
211.103.84.0/24	AS38019 CMNET-V4TIANJIN-AS-AP - tianjin Mobile Communication Company Limited	Valid	-	2026-10-12
211.103.85.0/24	AS38019 CMNET-V4TIANJIN-AS-AP - tianjin Mobile Communication Company Limited	Valid	-	2026-10-12
211.103.89.0/24	AS38019 CMNET-V4TIANJIN-AS-AP - tianjin Mobile Communication Company Limited	Valid	-	2026-10-12
211.103.91.0/24	AS38019 CMNET-V4TIANJIN-AS-AP - tianjin Mobile Communication Company Limited	Valid	-	2026-10-12
211.103.92.0/22	AS38019 CMNET-V4TIANJIN-AS-AP - tianjin Mobile Communication Company Limited	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
211.103.80.0/20	AS38019	/20	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS38019	APNIC	MAINT-CN-CMCC	2021-12-10
AS38019	Other IRR	MAINT-AS4637	2023-11-13

More Specific Prefixes

Prefix	Country	Status
211.103.84.0/29	🇨🇳CN	assigned
211.103.84.8/29	🇨🇳CN	assigned
211.103.84.16/29	🇨🇳CN	assigned
211.103.84.24/29	🇨🇳CN	assigned
211.103.84.32/27	🇨🇳CN	assigned
211.103.84.64/26	🇨🇳CN	assigned
211.103.84.128/25	🇨🇳CN	assigned
211.103.85.0/29	🇨🇳CN	assigned
211.103.85.8/32	🇨🇳CN	assigned

Origin ASN

AS38019

CMNET-V4TIANJIN-AS-AP - tianjin Mobile Communication Company Limited

Related Prefixes

Covering prefix

211.103.0.0/17AS9808

More prefixes of AS38019

All prefixes of AS38019 →

Geolocation

Country🇨🇳ChinaCN

RegionTianjin

CityYouyilu

Coordinates39.0851, 117.1990 ↗

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/211.103.80.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/211.103.80.0/20" | jq

External Links

RIPEstat