GEANT IAS

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks42 · 10,775 IPv4 addresses
IPv6 20 prefixes (largest 2001:798::/29)
Registered in Netherlands (6) · United Kingdom (4) · Germany (3) · Bulgaria (2) · Czechia (1) · Switzerland (1)
Cluster ID214386345
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 13 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
44 +4 netblocks since 2026-07-05
2026-07-05 peak 44 2026-07-26

IP Ranges (42)

⬇ export CSV
CIDR Org name Registry Status Confidence
62.40.96.0/19 GEANT Vereniging BGP ANNOUNCED ● high
80.81.192.173/32 GEANT IAS PEERINGDB ASSIGNED ● high
80.249.210.137/32 GEANT IAS PEERINGDB ASSIGNED ● high
83.97.88.0/21 GEANT Vereniging BGP ANNOUNCED ● high
83.97.92.0/22 GEANT Vereniging BGP ANNOUNCED ● high
91.210.16.189/32 GEANT IAS PEERINGDB ASSIGNED ● high
91.220.194.45/32 GEANT IAS PEERINGDB ASSIGNED ● high
176.126.38.4/32 GEANT IAS PEERINGDB ASSIGNED ● high
185.1.47.34/32 GEANT IAS PEERINGDB ASSIGNED ● high
185.1.192.126/32 GEANT IAS PEERINGDB ASSIGNED ● high
185.6.36.108/32 GEANT IAS PEERINGDB ASSIGNED ● high
192.65.185.119/32 GEANT IAS PEERINGDB ASSIGNED ● high
193.169.199.145/32 GEANT IAS PEERINGDB ASSIGNED ● high
193.188.137.37/32 GEANT IAS PEERINGDB ASSIGNED ● high
193.203.0.172/32 GEANT IAS PEERINGDB ASSIGNED ● high
194.53.172.37/32 GEANT IAS PEERINGDB ASSIGNED ● high
195.66.226.161/32 GEANT IAS PEERINGDB ASSIGNED ● high
217.29.66.183/32 GEANT IAS PEERINGDB ASSIGNED ● high
2001:798::/32 GEANT Vereniging BGP ANNOUNCED ● high
2001:799::/32 GEANT Vereniging BGP ANNOUNCED ● high
2001:7f8::51e5:0:1/128 GEANT IAS PEERINGDB ASSIGNED ● high
2001:7f8:1::a502:1320:1/128 GEANT IAS PEERINGDB ASSIGNED ● high
2001:7f8:4::5348:1/128 GEANT IAS PEERINGDB ASSIGNED ● high
2001:7f8:b:100:1d1:a5d2:965:183/128 GEANT IAS PEERINGDB ASSIGNED ● high
2001:7f8:14::95:1/128 GEANT IAS PEERINGDB ASSIGNED ● high
2001:7f8:18::108/128 GEANT IAS PEERINGDB ASSIGNED ● high
2001:7f8:1c:24a:51e5::1/128 GEANT IAS PEERINGDB ASSIGNED ● high
2001:7f8:26::a502:1320:1/128 GEANT IAS PEERINGDB ASSIGNED ● high
2001:7f8:30:0:2:1:2:965/128 GEANT IAS PEERINGDB ASSIGNED ● high
2001:7f8:35::2:1320:1/128 GEANT IAS PEERINGDB ASSIGNED ● high
2001:7f8:36::51e5:0:1/128 GEANT IAS PEERINGDB ASSIGNED ● high
2001:7f8:46:0:1:0:2:1320/128 GEANT IAS PEERINGDB ASSIGNED ● high
2001:7f8:58::5348:0:1/128 GEANT IAS PEERINGDB ASSIGNED ● high
2001:7f8:6e::4/128 GEANT IAS PEERINGDB ASSIGNED ● high
2001:7f8:a0::51e5:0:1/128 GEANT IAS PEERINGDB ASSIGNED ● high
45.142.128.28/30 GEANT_VERENIGING RIPE ASSIGNED PA ● low
51.163.6.28/30 GEANT_VERENIGING RIPE LEGACY ● low
193.63.90.0/24 GEANT-JA RIPE ASSIGNED PA ● low
193.63.211.0/24 GEANT-JA RIPE ASSIGNED PA ● low
2001:630:280::/48 GEANT-JA RIPE ASSIGNED ● low
2001:798::/29 GEANT Vereniging RIPE ALLOCATED-BY-RIR ● low
2001:4d78:1231:1::/64 GEANT_VERENIGING RIPE ASSIGNED ● low

IPv6 ranges (20)

showing the 15 largest allocations
CIDR
2001:798::/29
2001:798::/32
2001:799::/32
2001:630:280::/48
2001:4d78:1231:1::/64
2001:7f8:14::95:1/128
2001:7f8:18::108/128
2001:7f8:1::a502:1320:1/128
2001:7f8:1c:24a:51e5::1/128
2001:7f8:26::a502:1320:1/128
2001:7f8:30:0:2:1:2:965/128
2001:7f8:35::2:1320:1/128
2001:7f8:36::51e5:0:1/128
2001:7f8:46:0:1:0:2:1320/128
2001:7f8:4::5348:1/128

Domains hosted in this network

what's this?
geant.org

Network trust

what's this?
RPKI hygiene: C how networks compare →
75.0% of checked blocks have valid RPKI ROA coverage (33 of 44)
No discrepancies found among checked blocks.
Routed via provider/NREN (3)

These blocks are cryptographically authorized for this organisation's national research & education network or transit provider — expected topology for an institution that routes through it, not a discrepancy.

2001:630:280::/48 /48 routed via AS786 — Jisc (Jisc Services Limited)
193.63.211.0/24 /24 routed via AS786 — Jisc (Jisc Services Limited)
193.63.90.0/24 /24 routed via AS786 — Jisc (Jisc Services Limited)

NIC Handles

AS20965 AS21320 AS21320 DANTE-MNT DANTE-MNT DUMY-RIPE DUMY-RIPE EQUINIX-FULFIL-MNT EQUINIX-MNT JANET-HOSTMASTER ORG-DLCU1-RIPE RIPE-NCC-END-MNT +1 more