Home Prefix Lookup203.113.128.0/18

203.113.128.0/18 - Viettel Group (AS7552)

IPv4APNICassignedAS7552VIETEL-AS-AP - Viettel GroupNo ROA

CIDR

203.113.128.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

Country

🇻🇳 Vietnam

City

Hanoi

RIR

APNIC

Status

assigned

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

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

More-Specific Announcements

34 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
203.113.128.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.130.0/23	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.132.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.134.0/23	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.135.0/24	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.136.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.136.0/24	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.138.0/23	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.140.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.144.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.144.0/24	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.148.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.150.0/24	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.152.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.153.0/24	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.154.0/24	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.156.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.160.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.162.0/24	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.164.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.164.0/24	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.165.0/24	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.166.0/24	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.167.0/24	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.168.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.168.0/24	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.172.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.172.0/23	AS38731 VTDC-AS-VN - Vietel - CHT Compamy Ltd	Valid	-	2026-10-12
203.113.174.0/23	AS38731 VTDC-AS-VN - Vietel - CHT Compamy Ltd	Valid	-	2026-10-12
203.113.176.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.178.0/24	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.180.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.184.0/22	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12
203.113.188.0/24	AS7552 VIETEL-AS-AP - Viettel Group	Valid	-	2026-10-12

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7552	APNIC	MAINT-VN-VIETEL	2013-12-11
AS7552	Other IRR	MAINT-AS4637	2023-11-13

More Specific Prefixes

100

Prefix	AS	Country	Status
203.113.128.0/19		🇻🇳VN	allocated
203.113.128.0/20		🇻🇳VN	assigned
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
203.113.132.0/28		🇻🇳VN	assigned
203.113.132.8/29		🇻🇳VN	assigned
203.113.132.32/27		🇻🇳VN	assigned
203.113.132.96/29		🇻🇳VN	assigned
203.113.132.104/29		🇻🇳VN	assigned
203.113.132.112/28		🇻🇳VN	assigned
203.113.132.208/28		🇻🇳VN	assigned
203.113.132.240/28		🇻🇳VN	assigned
203.113.133.0/24		🇻🇳VN	assigned
203.113.135.0/24	AS7552	🇻🇳VN	assigned
203.113.136.0/24	AS7552	🇻🇳VN	assigned
203.113.137.0/24		🇻🇳VN	assigned
203.113.138.64/26		🇻🇳VN	assigned
203.113.138.224/28		🇻🇳VN	assigned
203.113.138.240/28		🇻🇳VN	assigned
203.113.139.0/24		🇻🇳VN	assigned
203.113.140.0/24		🇻🇳VN	assigned
203.113.141.0/26		🇻🇳VN	assigned
203.113.141.128/25		🇻🇳VN	assigned
203.113.142.0/24		🇻🇳VN	assigned
203.113.143.0/25		🇻🇳VN	assigned
203.113.143.144/28		🇻🇳VN	assigned
203.113.143.208/28		🇻🇳VN	assigned
203.113.143.224/28		🇻🇳VN	assigned
203.113.143.240/28		🇻🇳VN	assigned
203.113.144.0/20		🇻🇳VN	assigned
203.113.146.192/28		🇻🇳VN	assigned
203.113.146.208/28		🇻🇳VN	assigned
203.113.146.224/27		🇻🇳VN	assigned
203.113.147.32/29		🇻🇳VN	assigned
203.113.147.40/29		🇻🇳VN	assigned
203.113.147.48/29		🇻🇳VN	assigned
203.113.147.56/29		🇻🇳VN	assigned
203.113.147.64/29		🇻🇳VN	assigned
203.113.147.72/29		🇻🇳VN	assigned
203.113.147.80/29		🇻🇳VN	assigned
203.113.147.88/29		🇻🇳VN	assigned
203.113.147.96/27		🇻🇳VN	assigned
203.113.147.128/29		🇻🇳VN	assigned
203.113.147.176/28		🇻🇳VN	assigned
203.113.148.0/25		🇻🇳VN	assigned
203.113.148.128/27		🇻🇳VN	assigned
203.113.148.160/29		🇻🇳VN	assigned
203.113.148.168/29		🇻🇳VN	assigned
203.113.148.184/29		🇻🇳VN	assigned
203.113.148.192/29		🇻🇳VN	assigned
203.113.148.200/29		🇻🇳VN	assigned
203.113.148.208/29		🇻🇳VN	assigned
203.113.148.216/29		🇻🇳VN	assigned
203.113.148.224/29		🇻🇳VN	assigned
203.113.148.232/29		🇻🇳VN	assigned
203.113.148.240/29		🇻🇳VN	assigned
203.113.148.248/29		🇻🇳VN	assigned
203.113.150.0/24	AS7552	🇻🇳VN	assigned
203.113.151.0/28		🇻🇳VN	assigned
203.113.151.16/29		🇻🇳VN	assigned
203.113.151.24/29		🇻🇳VN	assigned
203.113.151.32/29		🇻🇳VN	assigned
203.113.151.40/29		🇻🇳VN	assigned
203.113.151.48/29		🇻🇳VN	assigned
203.113.151.56/29		🇻🇳VN	assigned
203.113.151.64/29		🇻🇳VN	assigned
203.113.151.72/29		🇻🇳VN	assigned
203.113.151.80/29		🇻🇳VN	assigned
203.113.151.88/29		🇻🇳VN	assigned
203.113.151.96/29		🇻🇳VN	assigned
203.113.151.104/29		🇻🇳VN	assigned
203.113.151.112/29		🇻🇳VN	assigned
203.113.151.120/29		🇻🇳VN	assigned
203.113.151.128/29		🇻🇳VN	assigned
203.113.151.136/29		🇻🇳VN	assigned
203.113.151.144/29		🇻🇳VN	assigned
203.113.151.168/29		🇻🇳VN	assigned
203.113.151.176/29		🇻🇳VN	assigned
203.113.151.184/29		🇻🇳VN	assigned
203.113.151.192/27		🇻🇳VN	assigned
203.113.151.224/27		🇻🇳VN	assigned
203.113.152.0/22	AS7552	🇻🇳VN	assigned
203.113.157.240/28		🇻🇳VN	assigned
203.113.158.0/23		🇻🇳VN	assigned
203.113.160.0/19		🇻🇳VN	allocated

Origin ASN

AS7552

VIETEL-AS-AP - Viettel Group

Related Prefixes

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/203.113.128.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/203.113.128.0/18" | jq

External Links

RIPEstat