$ query “AS25255” --type=asn → 1 result(s)
AS25255 — H3G-AUSTRIA-AS
Hutchison Drei Austria GmbH
AS25255 is a residential access provider run by Hutchison Drei Austria GmbH, based in Austria since 2002. The network announces a solid 731 392 IPv4 addresses, including a /14. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #6 in Austria — Top 10 by reach within country
Basic Information
- Country
- 🇦🇹 Austria
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- September 13, 2002
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 51 / 12
- IPv6 Prefixes (raw / aggregated)
- 5 / 3
- IPv4 Addresses
- 731 392
- Largest IPv4 Prefix
- /14 (262 144 addresses)
- Largest IPv6 Prefix
- /30
- Geolocated Countries
- 🇦🇹 AT (20 IPs), 🇮🇹 IT (3 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 8 flagged IPs out of 731 392 total (0.00%)
- Open Proxies
- 1 known open proxies in this network
Connectivity Summary
- Upstream Providers
- 4 upstream autonomous systems providing transit
- Peers
- 28 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 4 downstream autonomous systems buying transit
- Degree
- 39 unique BGP neighbors (providers + customers + peers)
- Reach
- 76 — customer cone size measuring network influence
- Degree Rank
- #3 668
- Reach Rank
- #1 297
- Country Rank
- #6
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (51 total)
- 77.116.0.0/14 (262 144 addresses)
- 178.112.0.0/14 (262 144 addresses)
- 46.220.0.0/16 (65 536 addresses)
- 91.141.0.0/17 (32 768 addresses)
- 178.165.128.0/17 (32 768 addresses)
- 81.3.192.0/18 (16 384 addresses)
- 94.245.192.0/18 (16 384 addresses)
- 109.126.64.0/18 (16 384 addresses)
- 213.94.64.0/18 (16 384 addresses)
- 194.24.128.0/19 (8 192 addresses)
- 151.5.88.0/21 (2 048 addresses)
- 45.3.56.0/24 (256 addresses)
IPv6 Prefixes (5 total)
- 2a02:2864::/30
- 2a02:2861::/32
- 2a07:7e82::/40