$ query “AS680” --type=asn → 1 result(s)

AS680 — DFN

Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

AS680 is a mid-size transit provider operated by Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., registered in Germany since 2002. The network announces an impressive 7.7 million IPv4 addresses, including a /15. Supports IPv6.

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

Basic Information

Country
🇩🇪 Germany
Category
Education/Research
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
September 20, 2002
Last Changed
March 04, 2026
Last Seen
March 04, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
291 / 253
IPv6 Prefixes (raw / aggregated)
23 / 18
IPv4 Addresses
7 714 560
Largest IPv4 Prefix
/15 (131 072 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇩🇪 DE (338 IPs), 🇦🇺 AU (21 IPs), 🇬🇧 GB (1 IPs), 🇺🇸 US
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 14 flagged IPs out of 7 714 560 total (0.00%)
Tor Exit Nodes
1 known Tor exit nodes in this network

Connectivity Summary

Upstream Providers
5 upstream autonomous systems providing transit
Peers
356 autonomous systems exchanging traffic without transit fees
Downstream Customers
30 downstream autonomous systems buying transit
Degree
391 unique BGP neighbors (providers + customers + peers)
Reach
34 — customer cone size measuring network influence
Degree Rank
#345
Reach Rank
#1 756

Upstream Providers (5)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS3320 — DTAG (Tier-1 transit)
  • AS20965 — GEANT

Prefix Lists

IPv4 Prefixes (291 total)

  • 134.106.0.0/15 (131 072 addresses)
  • 139.18.0.0/15 (131 072 addresses)
  • 141.4.0.0/15 (131 072 addresses)
  • 141.22.0.0/15 (131 072 addresses)
  • 141.24.0.0/15 (131 072 addresses)
  • 141.32.0.0/15 (131 072 addresses)
  • 141.42.0.0/15 (131 072 addresses)
  • 141.44.0.0/15 (131 072 addresses)
  • 141.50.0.0/15 (131 072 addresses)
  • 141.54.0.0/15 (131 072 addresses)
  • 141.56.0.0/15 (131 072 addresses)
  • 141.60.0.0/15 (131 072 addresses)
  • 141.64.0.0/15 (131 072 addresses)
  • 141.74.0.0/15 (131 072 addresses)
  • 141.82.0.0/15 (131 072 addresses)
  • 153.96.0.0/15 (131 072 addresses)
  • 193.174.0.0/15 (131 072 addresses)
  • 194.94.0.0/15 (131 072 addresses)
  • 87.77.0.0/16 (65 536 addresses)
  • 128.7.0.0/16 (65 536 addresses)
  • 128.176.0.0/16 (65 536 addresses)
  • 129.26.0.0/16 (65 536 addresses)
  • 129.70.0.0/16 (65 536 addresses)
  • 129.217.0.0/16 (65 536 addresses)
  • 129.247.0.0/16 (65 536 addresses)
  • 130.73.0.0/16 (65 536 addresses)
  • 130.75.0.0/16 (65 536 addresses)
  • 130.133.0.0/16 (65 536 addresses)
  • 130.149.0.0/16 (65 536 addresses)
  • 130.183.0.0/16 (65 536 addresses)
  • 131.173.0.0/16 (65 536 addresses)
  • 131.188.0.0/16 (65 536 addresses)
  • 131.220.0.0/16 (65 536 addresses)
  • 131.234.0.0/16 (65 536 addresses)
  • 132.176.0.0/16 (65 536 addresses)
  • 132.180.0.0/16 (65 536 addresses)
  • 132.187.0.0/16 (65 536 addresses)
  • 132.195.0.0/16 (65 536 addresses)
  • 132.199.0.0/16 (65 536 addresses)
  • 132.231.0.0/16 (65 536 addresses)
  • 132.252.0.0/16 (65 536 addresses)
  • 134.1.0.0/16 (65 536 addresses)
  • 134.28.0.0/16 (65 536 addresses)
  • 134.30.0.0/16 (65 536 addresses)
  • 134.91.0.0/16 (65 536 addresses)
  • 134.94.0.0/16 (65 536 addresses)
  • 134.96.0.0/16 (65 536 addresses)
  • 134.99.0.0/16 (65 536 addresses)
  • 134.100.0.0/16 (65 536 addresses)
  • 134.102.0.0/16 (65 536 addresses)

IPv6 Prefixes (23 total)

  • 2001:4cf0::/29
  • 2a00:5ba0::/29
  • 2a04:dfc0::/29
  • 2a0e:bb00::/29
  • 2a12:e140::/29
  • 2a13:dd80::/29
  • 2a14:8d80::/29
  • 2a02:c6a0::/30
  • 2001:638::/32
  • 2a02:d480::/32
  • 2a03:db80::/32
  • 2a0a:6200::/32
  • 2a02:11f8:60::/46
  • 2a02:11f8:64::/47
  • 2a02:11f8:100::/47
  • 2001:67c:2414::/48
  • 2a02:11f8:81::/48
  • 2a02:11f8:102::/48