$ query “AS154247” --type=asn → 1 result(s)
AS154247 · MCO-VN
MCO HA NOI TECHNOLOGY COMPANY LIMITED
AS154247 is operated by MCO HA NOI TECHNOLOGY COMPANY LIMITED and serves as an enterprise stub network, registered in Vietnam. The system announces 512 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in 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
- May 01, 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