$ query “AS21215” --type=asn → 1 result(s)
AS21215 · UGNI
UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd
AS21215 is run by UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd and is a mid-size transit provider, based in Serbia since 2001. The system announces a respectable 12 544 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Serbia, with additional presence in Montenegro.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #3 in Serbia — Top 10 by reach within country
Basic Information
- Country
- 🇷🇸 Serbia
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- October 01, 2001
- Last Changed
- March 04, 2026
- Last Seen
- April 29, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 8 / 8
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 12 544
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇷🇸 Serbia (22 784 IPs), 🇲🇪 Montenegro (3 280 IPs)
- Prefix Changed
- March 13, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 4 upstreams providing transit
- Peers
- 250 networks exchanging traffic without transit
- Downstream Customers
- 8 downstreams buying transit
- Unclassified
- 10 unclassified BGP neighbors
- Degree
- 272 unique BGP neighbors
- Reach
- 36 950 networks in customer cone
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (8 total)
- 213.244.208.0/20 (4 096 addresses (/20 prefix))
- 89.207.192.0/21 (2 048 addresses (/21 prefix))
- 176.109.136.0/21 (2 048 addresses (/21 prefix))
- 185.13.8.0/22 (1 024 addresses (/22 prefix))
- 185.18.12.0/22 (1 024 addresses (/22 prefix))
- 185.20.36.0/22 (1 024 addresses (/22 prefix))
- 185.81.60.0/22 (1 024 addresses (/22 prefix))
- 5.22.166.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2a03:dd80::/29