$ query “AS5421” --type=asn → 1 result(s)
AS5421 — SU-NET-AS
Sofia University St. Kliment Ohridski
AS5421 is an educational stub network registered to Sofia University St. Kliment Ohridski, registered in Bulgaria since 2001. The network announces 8 192 IPv4 addresses. Supports IPv6.
Basic Information
- Country
- 🇧🇬 Bulgaria
- Category
- Education/Research
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- October 25, 2001
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 3 / 1
- IPv6 Prefixes (raw / aggregated)
- 3 / 1
- IPv4 Addresses
- 8 192
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /47
- Geolocated Countries
- 🇧🇬 BG (2 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 8 192 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 0 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 0 downstream autonomous systems buying transit
- Degree
- 2 unique BGP neighbors (providers + customers + peers)
- Reach
- 0 — customer cone size measuring network influence
- Degree Rank
- #29 677
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (3 total)
- 62.44.96.0/19 (8 192 addresses)
IPv6 Prefixes (3 total)
- 2001:67c:20d0::/47