$ query “AS63961” --type=asn → 1 result(s)
AS63961 · BDREN-UGC-AS-AP
Bangladesh Research and Education Network (BdREN)
AS63961 is run by Bangladesh Research and Education Network (BdREN) and is a mid-size transit provider, established in Bangladesh. The system announces 4 608 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Bangladesh.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇧🇩 Bangladesh
- Category
- Education/Research
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- April 29, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 12 / 7
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 4 608
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇧🇩 Bangladesh (7 936 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 2 flagged IPs out of 4 608 total (0.04%)
Connectivity Summary
- Upstream Providers
- 4 upstreams providing transit
- Peers
- 2 networks exchanging traffic without transit
- Downstream Customers
- 34 downstreams buying transit
- Degree
- 40 unique BGP neighbors
- Reach
- 34 networks in customer cone
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (12 total)
- 103.28.120.0/22 (1 024 addresses (/22 prefix))
- 163.47.36.0/22 (1 024 addresses (/22 prefix))
- 203.96.188.0/22 (1 024 addresses (/22 prefix))
- 103.147.242.0/23 (512 addresses (/23 prefix))
- 103.157.134.0/23 (512 addresses (/23 prefix))
- 103.140.181.0/24 (256 addresses (/24 prefix))
- 103.159.2.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2402:f500::/32