Home Prefix Lookup171.237.208.0/22

171.237.208.0/22 - Viettel Group (AS7552)

IPv4APNICannouncedAS7552VIETEL-AS-AP - Viettel Group RPKI Valid

CIDR

171.237.208.0/22

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
171.237.208.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	Other IRR	2026-10-14

Covering Prefix

3 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
171.224.0.0/11	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-14
171.224.0.0/12	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-14
171.237.208.0/21	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-14

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
171.224.0.0/11	AS7552	/24	apnic
171.224.0.0/11	AS24086	/24	apnic
171.224.0.0/11	AS38731	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7552	Other IRR	MAINT-AS9304	2023-11-13

Origin ASN

AS7552

VIETEL-AS-AP - Viettel Group

Related Prefixes

Covering prefix

171.237.208.0/21AS7552

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/171.237.208.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/171.237.208.0/22" | jq

External Links

RIPEstat