AS5408 National Infrastructures for Research and Technology S.A. 🇬🇷 GR

Announcing 40 prefixes, seen at the RIS collectors.

IPv4 prefixes
39
251,904 (984 × /24)
IPv6 prefixes
1
8 × /32
Upstreams
4
transit providers observed
Peers
1
settlement-free adjacencies
Downstreams
30
transit customers observed
Customer cone
38
ASes reachable through it

Registry and operator data

AS number
AS5408
Name
National Infrastructures for Research and Technology S.A.
Organisation
National Infrastructures for Research and Technology (GRNET)
Country
🇬🇷 GR
RIR
RIPENCC
Allocated
1995-09-06
Network type
Educational/Research
Traffic levels
20-50Gbps
Scope
Regional
Peering policy
Open
IRR as-set
AS-GRNET
Looking glass
http://mon.grnet.gr/lg
PeeringDB
net/2025
Exchanges
2
Facilities
3

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

34 valid (85.0%) 0 invalid (0.0%) 6 no ROA (15.0%)

Announced prefixes

40 in total

Prefix RPKI Peers Sample path First seen
37.32.128.0/17 v4 RPKI valid 43 21628582805408 2026-09-18
44.31.164.0/24 v4 no ROA 42 21628582805408 2026-09-18
62.217.64.0/18 v4 RPKI valid 43 21628582805408 2026-09-18
62.217.79.0/24 v4 RPKI valid 3 3822924490209655408 2026-09-18
62.217.85.0/24 v4 RPKI valid 47 34549133355408 2026-09-18
62.217.119.0/24 v4 RPKI valid 3 3822924490209655408 2026-09-18
62.217.124.0/24 v4 RPKI valid 3 3822924490209655408 2026-09-18
62.217.126.0/24 v4 RPKI valid 47 34549133355408 2026-09-18
83.212.0.0/16 v4 RPKI valid 43 21628582805408 2026-09-18
83.212.1.0/24 v4 RPKI valid 3 3822924490209655408 2026-09-18
83.212.2.0/24 v4 RPKI valid 3 3822924490209655408 2026-09-18
83.212.5.0/24 v4 RPKI valid 3 3822924490209655408 2026-09-18
83.212.168.0/23 v4 RPKI valid 47 34549133355408 2026-09-18
83.212.170.0/23 v4 RPKI valid 3 3822924490209655408 2026-09-18
83.212.174.0/23 v4 RPKI valid 3 3822924490209655408 2026-09-18
91.227.108.0/24 v4 RPKI valid 43 21628582805408 2026-09-18
109.107.139.0/24 v4 RPKI valid 43 21628582805408 2026-09-18
143.233.68.0/24 v4 no ROA 43 21628582805408 2026-09-18
143.233.182.0/23 v4 no ROA 43 21628582805408 2026-09-18
143.233.184.0/22 v4 no ROA 43 21628582805408 2026-09-18
143.233.188.0/23 v4 no ROA 43 21628582805408 2026-09-18
143.233.204.0/24 v4 no ROA 43 21628582805408 2026-09-18
150.140.128.0/17 v4 RPKI valid 43 21628582805408 2026-09-18
185.5.76.0/22 v4 RPKI valid 43 21628582805408 2026-09-18
185.81.196.0/22 v4 RPKI valid 43 21628582805408 2026-09-18
193.105.109.0/24 v4 RPKI valid 43 21628582805408 2026-09-18
193.218.36.0/24 v4 RPKI valid 43 21628582805408 2026-09-18
193.218.124.0/23 v4 RPKI valid 43 21628582805408 2026-09-18
194.42.50.0/23 v4 RPKI valid 43 21628582805408 2026-09-18
194.42.52.0/23 v4 RPKI valid 43 21628582805408 2026-09-18
194.42.54.0/24 v4 RPKI valid 43 21628582805408 2026-09-18
194.177.192.0/19 v4 RPKI valid 43 21628582805408 2026-09-18
194.177.208.0/22 v4 RPKI valid 43 21628582805408 2026-09-18
194.177.208.0/23 v4 RPKI valid 3 3822924490209655408 2026-09-18
195.130.64.0/18 v4 RPKI valid 43 21628582805408 2026-09-18
195.251.0.0/16 v4 RPKI valid 43 21628582805408 2026-09-18
195.251.2.0/24 v4 RPKI valid 46 34549133355408 2026-09-18
195.251.24.0/22 v4 RPKI valid 43 21628582805408 2026-09-18
195.251.99.0/24 v4 RPKI valid 3 3822924490209655408 2026-09-18
2001:648::/29 v6 RPKI valid 36 48185213205408 2026-09-18