Home Prefix Lookup203.113.128.0/22

203.113.128.0/22 - Viettel Group (AS7552)

IPv4APNICannouncedAS7552VIETEL-AS-AP - Viettel Group RPKI Valid

CIDR

203.113.128.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇻🇳 Vietnam

City

Hanoi

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
203.113.128.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	APNICOther IRR	2026-10-12

Related Announcements

1 less-specific, 1 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
203.113.128.0/18	AS7552 VIETEL-AS-AP - Viettel Group	No ROA	-	2026-10-12
203.113.130.0/23	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.113.128.0/19	AS7552	/24	apnic
203.113.128.0/19	AS24086	/24	apnic
203.113.128.0/19	AS38731	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS38731	APNIC	MAINT-VN-VIETEL	2025-08-27
AS7552	APNIC	MAINT-VN-VIETEL	2023-02-10
AS24086	APNIC	MAINT-VN-VIETEL	2025-08-27
AS7552	Other IRR	MAINT-AS3491	2025-03-28

More Specific Prefixes

Prefix	Country	Status
203.113.128.0/24	🇻🇳VN	assigned
203.113.129.0/24	🇻🇳VN	assigned
203.113.130.32/28	🇻🇳VN	assigned
203.113.130.48/28	🇻🇳VN	assigned
203.113.130.96/29	🇻🇳VN	assigned
203.113.130.104/29	🇻🇳VN	assigned
203.113.130.112/28	🇻🇳VN	assigned
203.113.130.128/29	🇻🇳VN	assigned
203.113.130.152/29	🇻🇳VN	assigned
203.113.130.176/29	🇻🇳VN	assigned
203.113.130.192/27	🇻🇳VN	assigned
203.113.130.224/29	🇻🇳VN	assigned
203.113.130.232/29	🇻🇳VN	assigned
203.113.130.240/28	🇻🇳VN	assigned
203.113.130.240/29	🇻🇳VN	assigned
203.113.130.248/29	🇻🇳VN	assigned
203.113.131.0/24	🇻🇳VN	assigned

Origin ASN

AS7552

VIETEL-AS-AP - Viettel Group

Related Prefixes

Covering prefix

203.113.128.0/18AS7552

More prefixes of AS7552

All prefixes of AS7552 →

Geolocation

Country🇻🇳VietnamVN

RegionHanoi

CityHanoi

Coordinates21.0278, 105.8340 ↗

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/203.113.128.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/203.113.128.0/22" | jq

External Links

RIPEstat