$ query “AS154247” --type=asn → 1 result(s)
AS154247 · MCO-VN
MCO HA NOI TECHNOLOGY COMPANY LIMITED
AS154247 belongs to MCO HA NOI TECHNOLOGY COMPANY LIMITED and is an enterprise stub network, established in Vietnam. The system announces 512 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Vietnam.
Basic Information
- Country
- 🇻🇳 Vietnam
- Category
- Business
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- April 20, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 1
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 512
- Largest IPv4 Prefix
- /23 (512 addresses)
- Largest IPv6 Prefix
- /48
- Geolocated Countries
- 🇻🇳 Vietnam (1 024 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 2 flagged IPs out of 512 total (0.39%)
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Degree
- 2 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (2 total)
- 121.200.216.0/23 (512 addresses (/23 prefix))
IPv6 Prefixes (1 total)
- 2001:df6:22c0::/48