$ query “AS5391” --type=asn → 1 result(s)
AS5391 · T-HT
Hrvatski Telekom d.d.
AS5391 is run by Hrvatski Telekom d.d. and is a mid-size transit provider, based in Croatia since 2002. The system announces an impressive 1.1 million IPv4 addresses, including a /13, and supports IPv6. Its primary geographic footprint is in Croatia.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #4 in Croatia — Top 10 by reach within country
Basic Information
- Country
- 🇭🇷 Croatia
- Category
- Internet Service Provider
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- May 10, 2002
- Last Changed
- April 01, 2026
- Last Seen
- April 28, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 46 / 14
- IPv6 Prefixes (raw / aggregated)
- 2 / 1
- IPv4 Addresses
- 1 126 656
- Largest IPv4 Prefix
- /13 (524 288 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇭🇷 Croatia (2 248 960 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 3 flagged IPs out of 1 126 656 total (0.00%)
Connectivity Summary
- Upstream Providers
- 9 upstreams providing transit
- Peers
- 3 networks exchanging traffic without transit
- Downstream Customers
- 49 downstreams buying transit
- Degree
- 61 unique BGP neighbors
- Reach
- 242 networks in customer cone
Upstream Providers (9)
Prefix Lists
IPv4 Prefixes (46 total)
- 93.136.0.0/13 (524 288 addresses (/13 prefix))
- 78.0.0.0/14 (262 144 addresses (/14 prefix))
- 89.172.0.0/16 (65 536 addresses (/16 prefix))
- 83.131.0.0/16 (65 536 addresses (/16 prefix))
- 195.29.0.0/16 (65 536 addresses (/16 prefix))
- 46.188.128.0/17 (32 768 addresses (/17 prefix))
- 31.217.0.0/17 (32 768 addresses (/17 prefix))
- 178.160.0.0/17 (32 768 addresses (/17 prefix))
- 194.152.192.0/18 (16 384 addresses (/18 prefix))
- 87.252.128.0/19 (8 192 addresses (/19 prefix))
- 31.216.192.0/19 (8 192 addresses (/19 prefix))
- 93.159.64.0/19 (8 192 addresses (/19 prefix))
- 188.125.0.0/20 (4 096 addresses (/20 prefix))
- 213.202.71.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (2 total)
- 2a00:c30::/29