$ query “AS15994” --type=asn → 1 result(s)
AS15994 — A1HR
A1 Hrvatska d.o.o.
AS15994 is a mid-size transit provider operated by A1 Hrvatska d.o.o., registered in Croatia since 2002. The network announces 6 656 IPv4 addresses. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #5 in Croatia — Top 10 by reach within country
Basic Information
- Country
- 🇭🇷 Croatia
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- August 22, 2002
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 14 / 14
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 6 656
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /48
- Geolocated Countries
- 🇭🇷 HR (15 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 6 656 total (0.02%)
Connectivity Summary
- Upstream Providers
- 6 upstream autonomous systems providing transit
- Peers
- 2 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 55 downstream autonomous systems buying transit
- Degree
- 66 unique BGP neighbors (providers + customers + peers)
- Reach
- 57 — customer cone size measuring network influence
- Degree Rank
- #2 459
- Reach Rank
- #1 429
- Country Rank
- #5
Upstream Providers (6)
Prefix Lists
IPv4 Prefixes (14 total)
- 188.129.12.0/22 (1 024 addresses)
- 188.129.76.0/22 (1 024 addresses)
- 188.129.80.0/22 (1 024 addresses)
- 188.252.196.0/22 (1 024 addresses)
- 83.139.67.0/24 (256 addresses)
- 83.139.70.0/24 (256 addresses)
- 83.139.120.0/24 (256 addresses)
- 188.129.9.0/24 (256 addresses)
- 188.129.126.0/24 (256 addresses)
- 194.146.109.0/24 (256 addresses)
- 213.149.41.0/24 (256 addresses)
- 213.149.51.0/24 (256 addresses)
- 213.149.61.0/24 (256 addresses)
- 213.149.62.0/24 (256 addresses)
IPv6 Prefixes (1 total)
- 2a00:dd8:1::/48