$ query “AS12676” --type=asn → 1 result(s)

AS12676 · NCORE-AS

HKN GmbH

AS12676 is run by HKN GmbH and is a residential access provider, registered in Germany since 2002. The system announces a respectable 74 496 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Germany, with additional presence in the United States and Switzerland, and smaller footprints in 7 additional countries.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇩🇪 Germany
Category
Internet Service Provider
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
August 30, 2002
Last Changed
October 03, 2026
Last Seen
October 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
12 / 11
IPv6 Prefixes (raw / aggregated)
6 / 5
IPv4 Addresses
74 496
Largest IPv4 Prefix
/17 (32 768 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇩🇪 Germany (73 696 IPs), 🇺🇸 United States (304 IPs), 🇨🇭 Switzerland (256 IPs) and 7 more
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
105 networks exchanging traffic without transit
Downstream Customers
8 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
120 unique BGP neighbors
Reach
8 networks in customer cone

Upstream Providers (3)

  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS3320 — DTAG (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (12 total)

  • 213.9.0.0/17 (32 768 addresses (/17 prefix))
  • 88.205.64.0/18 (16 384 addresses (/18 prefix))
  • 88.205.32.0/19 (8 192 addresses (/19 prefix))
  • 212.46.96.0/19 (8 192 addresses (/19 prefix))
  • 88.205.0.0/20 (4 096 addresses (/20 prefix))
  • 109.234.248.0/21 (2 048 addresses (/21 prefix))
  • 185.90.228.0/22 (1 024 addresses (/22 prefix))
  • 185.146.60.0/22 (1 024 addresses (/22 prefix))
  • 91.208.74.0/24 (256 addresses (/24 prefix))
  • 94.100.134.0/24 (256 addresses (/24 prefix))
  • 193.143.122.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (6 total)

  • 2a01:a740::/32
  • 2a02:4c07:4000::/34
  • 2a02:4c07:8000::/34
  • 2a02:4c00::/39
  • 2a01:6780:4::/48